18b0766a71de42fadbaecd0ee37c21461a7cf88fee9790f781eaaf5c933b1436

Analysis

max time kernel
150s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/10/2026, 23:38

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General

Target
jaffacakes118_Trojan.Win32.Buzus.hrjh.exe
Size 972KB
Sample261018-3my4dsda89
SHA256 18b0766a71de42fadbaecd0ee37c21461a7cf88fee9790f781eaaf5c933b1436
MD5 d3cfb89485e5afca8c7ff0ce7e204c42
SHA1 e4d4cf5a4709c199bff1b3a0c9c3212c3c8995a1
SHA512 e2d4d8cff665fe1ac09f9abfb05e44670fb508da3fbe4399f1c3613e8073b3f05a3887d5f7b42ef6a7660276135680b534b2284c6c92a88a0d1dd3a549a034a2
SSDEEP 24576:5xbJQzUwXRD6k8J7Q9mTpGWw0YxCP2x7ITkTXOjUwCRT:5WYDw0mC+kkTegT
TLSH
T16025AF31F691C833E1732B388C6B5299A929FF503D3868877AE51D0C5F7968139392E7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery execution

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
256	usnscv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3964 set thread context of 256	3964	jaffacakes118_Trojan.Win32.Buzus.hrjh.exe	94

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4636	cmd.exe
4400	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_Trojan.Win32.Buzus.hrjh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3964 wrote to memory of 4636	3964	jaffacakes118_Trojan.Win32.Buzus.hrjh.exe	91
PID 4636 wrote to memory of 4400	4636	cmd.exe	93
PID 3964 wrote to memory of 256	3964	jaffacakes118_Trojan.Win32.Buzus.hrjh.exe	94
PID 3964 wrote to memory of 256	3964	jaffacakes118_Trojan.Win32.Buzus.hrjh.exe	94

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Buzus.hrjh.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Buzus.hrjh.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3964
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\winupdate.bat" "
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4636
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c copy "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Buzus.hrjh.exe" "C:\Users\Admin\AppData\Local\\usnscv.exe"
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:4400
- C:\Users\Admin\AppData\Local\usnscv.exe
  "C:\Users\Admin\AppData\Local\usnscv.exe"
  2⤵
  - Executes dropped EXE
  PID:256

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

winupdate.bat

Path C:\Users\Admin\AppData\Local\Temp\winupdate.bat
Size 153B
SHA256 d6dc7834e7a31923c3b5cbc3d887550618dd99554efd6e998bc4512c9bc2fd56
MD5 ddf1a0971419b848e3fe9e02da10490d
SHA1 288d1d5c243aa8de643be8cfa87e9010e6ed9857
SHA512 cff9e80a657b3e8afb03883fab3b50409c7d470c5794d5140951de86af7248d36761d6542112117e33dfdaae95eedc75a9f4e01ce88d6f8ad8cd4c5e418e18b6
TLSH
T1D3C08C06C1D7D91E0424CC270174678DD9684A28BA863FA00B10C0D8239181DF5C6285
MD5 SHA1 SHA512 TLSH

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usnscv.exe

Path C:\Users\Admin\AppData\Local\usnscv.exe
Size 972KB
SHA256 18b0766a71de42fadbaecd0ee37c21461a7cf88fee9790f781eaaf5c933b1436
MD5 d3cfb89485e5afca8c7ff0ce7e204c42
SHA1 e4d4cf5a4709c199bff1b3a0c9c3212c3c8995a1
SHA512 e2d4d8cff665fe1ac09f9abfb05e44670fb508da3fbe4399f1c3613e8073b3f05a3887d5f7b42ef6a7660276135680b534b2284c6c92a88a0d1dd3a549a034a2
SSDEEP 24576:5xbJQzUwXRD6k8J7Q9mTpGWw0YxCP2x7ITkTXOjUwCRT:5WYDw0mC+kkTegT
TLSH
T16025AF31F691C833E1732B388C6B5299A929FF503D3868877AE51D0C5F7968139392E7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/256-10-0x0000000000400000-0x000000000044D000-memory.dmp

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memory/3964-1-0x0000000000400000-0x00000000004FD000-memory.dmp

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memory/3964-0-0x00000000004A0000-0x00000000004A1000-memory.dmp

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memory/3964-15-0x0000000000400000-0x00000000004FD000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads