95dd221630d172703a90842a31b0e25a97f98c236e7a4cc09e5dc5862d8d0370

Analysis

max time kernel
85s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2023, 22:50

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General

Target

tmp786A.tmp.exe
Size

2.7MB
MD5

e0a5c7191e00ea683c4e73b1c80b8823
SHA1

8349e708101ba87a868fcf7cb4d00b91f1620ff6
SHA256

95dd221630d172703a90842a31b0e25a97f98c236e7a4cc09e5dc5862d8d0370
SHA512

1f2c10f8205952f613f406d7ea1c4d4bcdf6c71286ca4db859e3a131b4ee30af86f0e35cbcd58e3cd2d8f05a7e4a5be4dede910980b0afbfc44b7fea4d9224fa
SSDEEP

49152:QeTuAoMnEHz/oiGhEjE0rzsK+/pWOjrz7Tt5CuU7LHkeimyVfC:Qcu+ozq6sK+sOjrKLH7Z

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	tmp786A.tmp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Gzltzqrlzsv = "\"C:\\Users\\Admin\\AppData\\Roaming\\Quhaolav\\Gzltzqrlzsv.exe\""	tmp786A.tmp.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 860 set thread context of 3192	860	tmp786A.tmp.exe	89

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1672	powershell.exe
1672	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	860	tmp786A.tmp.exe
Token: SeDebugPrivilege	1672	powershell.exe
Token: SeDebugPrivilege	3192	tmp786A.tmp.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 860 wrote to memory of 1672	860	tmp786A.tmp.exe	80
PID 860 wrote to memory of 1672	860	tmp786A.tmp.exe	80
PID 860 wrote to memory of 1672	860	tmp786A.tmp.exe	80
PID 860 wrote to memory of 3192	860	tmp786A.tmp.exe	89
PID 860 wrote to memory of 3192	860	tmp786A.tmp.exe	89
PID 860 wrote to memory of 3192	860	tmp786A.tmp.exe	89
PID 860 wrote to memory of 3192	860	tmp786A.tmp.exe	89
PID 860 wrote to memory of 3192	860	tmp786A.tmp.exe	89
PID 860 wrote to memory of 3192	860	tmp786A.tmp.exe	89
PID 860 wrote to memory of 3192	860	tmp786A.tmp.exe	89
PID 860 wrote to memory of 3192	860	tmp786A.tmp.exe	89

C:\Users\Admin\AppData\Local\Temp\tmp786A.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp786A.tmp.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:860
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1672
- C:\Users\Admin\AppData\Local\Temp\tmp786A.tmp.exe
  C:\Users\Admin\AppData\Local\Temp\tmp786A.tmp.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3192

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Web Service

T1102

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\tmp786A.tmp.exe.log

Filesize
1KB

MD5
2bea5ace75c1c406471930d05acf41f1

SHA1
fb20b843c1bf0340d17793752b9bca1e2e0333ba

SHA256
56036effd69e1a8cf8f77bb8acfee51f312865979e734638a2ad8f089d078d73

SHA512
86a8af16f5ff8436418bddb4ff59211c770353416ef262bad0a36b2b5afa1ab766c63fd93a5d02c323c0504e10bbff43d5ff6cadc01739f64e135a6a9b388b1c

Download Submit
memory/860-132-0x0000000000D70000-0x0000000001024000-memory.dmp

Filesize
2.7MB

Download
memory/860-133-0x0000000005DE0000-0x0000000005E02000-memory.dmp

Filesize
136KB

Download
memory/860-143-0x00000000075E0000-0x0000000007B84000-memory.dmp

Filesize
5.6MB

Download
memory/860-142-0x0000000006530000-0x00000000065C2000-memory.dmp

Filesize
584KB

Download
memory/1672-138-0x00000000058E0000-0x0000000005946000-memory.dmp

Filesize
408KB

Download
memory/1672-137-0x0000000005800000-0x0000000005866000-memory.dmp

Filesize
408KB

Download
memory/1672-139-0x0000000005F00000-0x0000000005F1E000-memory.dmp

Filesize
120KB

Download
memory/1672-140-0x0000000007530000-0x0000000007BAA000-memory.dmp

Filesize
6.5MB

Download
memory/1672-141-0x0000000006400000-0x000000000641A000-memory.dmp

Filesize
104KB

Download
memory/1672-136-0x00000000051D0000-0x00000000057F8000-memory.dmp

Filesize
6.2MB

Download
memory/1672-135-0x00000000025B0000-0x00000000025E6000-memory.dmp

Filesize
216KB

Download
memory/3192-145-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download