Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6403_us	Sept. 30, 2023, 12:53 p.m.	Sept. 30, 2023, 1:05 p.m.

Size	203.9KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`16e1b0fb578bc6d4eb28a5389a8436dd`
SHA256	`221a6c13a9650792ab206e9103190b0cdeb556806ce2250b8b1111b0605098b3`
CRC32	`ECCDE346`
ssdeep	`3072:l2/sV9z2jS1AKYasumNZdt1ZJXStr65d/gKUoeLywm7QTE1P+QmkTgh:A/szaQURLdXiN2D5e2hcI1Pv2`
PDB Path	}TL'R¨uöÜ¨³Ï¸¥ëc&GúçÌÓ²"æ.fÅ0¸Þ´h§ÍÓ~2Þôd«µÔÕh¬y]nàò!²IÔ¡$í0ÂÒÚ39ð
Yara	PE_Header_Zero - PE File Signature IsPE32 - (no description) Is_DotNET_EXE - (no description)

UMM2.exe "C:\Users\test22\AppData\Local\Temp\UMM2.exe"
1648

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
193.42.32.29	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (2 events)

Time & API	Arguments	Status	Return	Repeated
GetComputerNameA Sept. 30, 2023, 12:53 p.m.	computer_name: TEST22-PC	1	1	0
GetComputerNameW Sept. 30, 2023, 12:53 p.m.	computer_name: TEST22-PC	1	1	0

Checks if process is being debugged by a debugger (4 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Sept. 30, 2023, 12:53 p.m.			0	0
IsDebuggerPresent Sept. 30, 2023, 12:53 p.m.			0	0
IsDebuggerPresent Sept. 30, 2023, 12:53 p.m.			0	0
IsDebuggerPresent Sept. 30, 2023, 12:53 p.m.			0	0

Uses Windows APIs to generate a cryptographic key (3 events)

Time & API	Arguments	Status	Return
CryptExportKey Sept. 30, 2023, 12:53 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x006e25f8 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey Sept. 30, 2023, 12:53 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x006e2838 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey Sept. 30, 2023, 12:53 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x006e2838 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1

This executable has a PDB path (1 event)

pdb_path

}TL'R¨uöÜ¨³Ï¸¥ëc&GúçÌÓ²"æ.fÅ0¸Þ´h§ÍÓ~2Þôd«µÔÕh¬y]nàò!²IÔ¡$í0ÂÒÚ39ð

Checks amount of memory in system, this can be used to detect virtual machines that have a low amount of memory available (1 event)

Time & API	Arguments	Status	Return	Repeated
GlobalMemoryStatusEx Sept. 30, 2023, 12:53 p.m.		1	1	0

One or more potentially interesting buffers were extracted, these generally contain injected code, configuration data, etc.

Allocates read-write-execute memory (usually to unpack itself) (19 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory Sept. 30, 2023, 12:53 p.m.	process_identifier: 1648 region_size: 983040 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00530000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 30, 2023, 12:53 p.m.	process_identifier: 1648 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005e0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 30, 2023, 12:53 p.m.	process_identifier: 1648 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73f31000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 30, 2023, 12:53 p.m.	process_identifier: 1648 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73f32000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 30, 2023, 12:53 p.m.	process_identifier: 1648 region_size: 1966080 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x021e0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 30, 2023, 12:53 p.m.	process_identifier: 1648 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02380000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 30, 2023, 12:53 p.m.	process_identifier: 1648 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00392000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 30, 2023, 12:53 p.m.	process_identifier: 1648 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003c5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 30, 2023, 12:53 p.m.	process_identifier: 1648 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003cb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 30, 2023, 12:53 p.m.	process_identifier: 1648 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003c7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 30, 2023, 12:53 p.m.	process_identifier: 1648 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ac000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 30, 2023, 12:53 p.m.	process_identifier: 1648 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003b6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 30, 2023, 12:53 p.m.	process_identifier: 1648 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x047d0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 30, 2023, 12:53 p.m.	process_identifier: 1648 region_size: 45056 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x047d1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 30, 2023, 12:53 p.m.	process_identifier: 1648 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0039a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 30, 2023, 12:53 p.m.	process_identifier: 1648 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ba000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 30, 2023, 12:53 p.m.	process_identifier: 1648 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003b7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 30, 2023, 12:53 p.m.	process_identifier: 1648 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003aa000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 30, 2023, 12:53 p.m.	process_identifier: 1648 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0039c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

The binary likely contains encrypted or compressed data indicative of a packer (2 events)

section

{u'size_of_data': u'0x00030a00', u'virtual_address': u'0x00002000', u'entropy': 7.506494037281459, u'name': u'.text', u'virtual_size': u'0x000308bc'}

entropy

7.50649403728

description

A section with a high entropy has been found

entropy

0.984810126582

description

Overall entropy of this PE file is high

One or more of the buffers contains an embedded PE file (1 event)

buffer

Buffer with sha1: 353c267d4640f64126e9744415ee6e760a487fbb

Communicates with host for which no DNS query was performed (1 event)

host

193.42.32.29

File has been identified by 19 AntiVirus engines on VirusTotal as malicious (19 events)

Elastic	malicious (high confidence)
CAT-QuickHeal	Trojan.YakbeexMSIL.ZZ4
Sangfor	Suspicious.Win32.Save.a
Cybereason	malicious.f81a2a
VirIT	Trojan.Win32.MSIL_Heur.A
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of MSIL/GenKryptik.GOHJ
Kaspersky	UDS:DangerousObject.Multi.Generic
FireEye	Generic.mg.16e1b0fb578bc6d4
Sophos	ML/PE-A
SentinelOne	Static AI - Suspicious PE
Microsoft	Program:Win32/Wacapew.C!ml
ZoneAlarm	UDS:DangerousObject.Multi.Generic
AhnLab-V3	Trojan/Win.Generic.C5498466
BitDefenderTheta	Gen:NN.ZemsilF.36738.mm1@auT0uxji
Cylance	unsafe
Fortinet	MSIL/GenKryptik.GOHP!tr
DeepInstinct	MALICIOUS
CrowdStrike	win/malicious_confidence_90% (D)

UMM2.exe

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