Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6403_us	Sept. 23, 2022, 5:40 p.m.	Sept. 23, 2022, 5:42 p.m.

Size	1.7MB
Type	PE32 executable (GUI) Intel 80386, for MS Windows
MD5	`7b74e4fb9a95f41d5d9b4a71a5fe40b9`
SHA256	`0ec87a7f943ab72d08aeb957d33dd348ab7cf45052ab7a31bcce33ff7a095837`
CRC32	`A6D662D7`
ssdeep	`12288:cbVyGrARa7TAPZfMiuU9YAioFOVdgnFoA7aXKPXPiXuHNHGb6bH/zx/GCLW/nh/B:cb8BwmZ33qAioFmymA7yEpGLm+FFaO`
Yara	IsPE32 - (no description) Win32_Trojan_Gen_2_0904B0_Zero - Win32 Trojan Gen Malicious_Library_Zero - Malicious_Library UPX_Zero - UPX packed file Win32_Trojan_Gen_1_0904B0_Zero - Win32 Trojan Emotet PE_Header_Zero - PE File Signature Malicious_Packer_Zero - Malicious Packer

aaa.exe "C:\Users\test22\AppData\Local\Temp\aaa.exe"
2352
- aaa.exe ﮅ
  2688

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
No hosts contacted.

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

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. 23, 2022, 5:40 p.m.		1	1	0

The executable contains unknown PE section names indicative of a packer (could be a false positive) (1 event)

section

.ndata

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ Sept. 23, 2022, 5:41 p.m.	stacktrace: 0x1ddb497b Int64Op+0x12e0 system+0x2c59 @ 0x73bc2c59 exception.symbol: exception.exception_code: 0xc0000005 exception.address: 0x458d0040 registers.esp: 1634356 registers.edi: 16 registers.eax: 0 registers.ebp: 1635788 registers.edx: 0 registers.ebx: 0 registers.esi: 16 registers.ecx: 500913640	1	0	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) (8 events)

Time & API	Arguments	Status
NtProtectVirtualMemory Sept. 23, 2022, 5:40 p.m.	process_identifier: 2352 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73bc5000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 23, 2022, 5:41 p.m.	process_identifier: 2688 region_size: 1376256 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x020e0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 23, 2022, 5:41 p.m.	process_identifier: 2688 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x021f0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 23, 2022, 5:41 p.m.	process_identifier: 2688 region_size: 16384 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x021f1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 23, 2022, 5:41 p.m.	process_identifier: 2688 region_size: 69632 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x021f5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 23, 2022, 5:41 p.m.	process_identifier: 2688 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02206000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 23, 2022, 5:41 p.m.	process_identifier: 2688 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02207000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 23, 2022, 5:41 p.m.	process_identifier: 2688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7734f000 process_handle: 0xffffffff	1

Creates executable files on the filesystem (1 event)

file	C:\Users\test22\AppData\Local\Temp\nsl97CC.tmp\System.dll

Drops an executable to the user AppData folder (1 event)

file	C:\Users\test22\AppData\Local\Temp\nsl97CC.tmp\System.dll

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

buffer

Buffer with sha1: 41fa5aebc149d9c428b34b4ba11b2772c7440d4d

Used NtSetContextThread to modify a thread in a remote process indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 2352 called NtSetContextThread to modify thread in remote process 2688
NtSetContextThread Sept. 23, 2022, 5:41 p.m.	registers.eip: 1999372740 registers.esp: 1638384 registers.edi: 0 registers.eax: 4297839 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000001e8 process_identifier: 2688	1	0	0

File has been identified by 30 AntiVirus engines on VirusTotal as malicious (30 events)

Lionic	Trojan.Win32.Agent.Y!c
MicroWorld-eScan	Gen:Variant.Nemesis.10729
McAfee	Artemis!7B74E4FB9A95
Cylance	Unsafe
Sangfor	Trojan.Win32.Agent.V1tr
BitDefender	Gen:Variant.Nemesis.10729
Arcabit	Trojan.Nemesis.D29E9
Symantec	Downloader
Elastic	malicious (high confidence)
Cynet	Malicious (score: 99)
APEX	Malicious
Paloalto	generic.ml
Kaspersky	HEUR:Trojan-Dropper.Win32.Agent.gen
Avast	FileRepMalware [Ransom]
Tencent	Win32.Trojan-Dropper.Agent.Ddhl
Emsisoft	Gen:Variant.Nemesis.10729 (B)
F-Secure	Heuristic.HEUR/AGEN.1252584
VIPRE	Gen:Variant.Nemesis.10729
McAfee-GW-Edition	BehavesLike.Win32.Generic.tm
FireEye	Gen:Variant.Nemesis.10729
Avira	HEUR/AGEN.1252584
Microsoft	Trojan:Win32/Sabsik.FL.B!ml
GData	Gen:Variant.Nemesis.10729
ALYac	Gen:Variant.Nemesis.10729
MAX	malware (ai score=88)
TrendMicro-HouseCall	TROJ_GEN.R002H07IN22
Rising	Trojan.Injector/NSIS!1.BFBB (CLASSIC)
Fortinet	NSIS/Injector.AOW!tr
AVG	FileRepMalware [Ransom]
CrowdStrike	win/malicious_confidence_60% (W)

aaa.exe

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