55374bff351d770928ea15dd2e7f22d81d2af7a10c11a9417e24750129fdd1fe

Analysis

max time kernel
150s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
24/09/2026, 04:33

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General

Target
jaffacakes118_55374bff351d770928ea15dd2e7f22d81d2af7a10c11a9417e24750129fdd1fe.exe
Size 48KB
Sample260924-e6r77ayfmd
SHA256 55374bff351d770928ea15dd2e7f22d81d2af7a10c11a9417e24750129fdd1fe
MD5 e807a604693049111770293a6b59e4fa
SHA1 d0923d2c1c8c957ebab590c34cafaf1d5d4027b5
SHA512 23600bb606d484f10c10779d2934b65f35a04b5af05eae0bc46d56b3c8b36977b0ee4df94975e1b070770be7246d2d3452936b2c1c34e10510ab608caef445e2
SSDEEP 384:MyF2UM6XvrtTMntsYPppAtdUpLJIg9Wj9JThxbJAmGpct5QabwQ:MysUJrt+nxphpLJIQWj9JbJ/Gat5sQ
TLSH
T119237CCF290764F2D4DE05B031EABD024FBA5E383B57149BDBFB6A452AB1143842560B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

discovery execution persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 1 IoCs

pid	Process
1216	comboausk.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\comboaus.dll	jaffacakes118_55374bff351d770928ea15dd2e7f22d81d2af7a10c11a9417e24750129fdd1fe.exe
File created	C:\Windows\SysWOW64\comboausk.exe	jaffacakes118_55374bff351d770928ea15dd2e7f22d81d2af7a10c11a9417e24750129fdd1fe.exe
File opened for modification	C:\Windows\SysWOW64\comboausk.exe	jaffacakes118_55374bff351d770928ea15dd2e7f22d81d2af7a10c11a9417e24750129fdd1fe.exe

Executes a command shell one-liner 1 TTPs 1 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
4172	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_55374bff351d770928ea15dd2e7f22d81d2af7a10c11a9417e24750129fdd1fe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	comboausk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1076	jaffacakes118_55374bff351d770928ea15dd2e7f22d81d2af7a10c11a9417e24750129fdd1fe.exe
1076	jaffacakes118_55374bff351d770928ea15dd2e7f22d81d2af7a10c11a9417e24750129fdd1fe.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 1216	1076	jaffacakes118_55374bff351d770928ea15dd2e7f22d81d2af7a10c11a9417e24750129fdd1fe.exe	98
PID 1076 wrote to memory of 4172	1076	jaffacakes118_55374bff351d770928ea15dd2e7f22d81d2af7a10c11a9417e24750129fdd1fe.exe	99

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_55374bff351d770928ea15dd2e7f22d81d2af7a10c11a9417e24750129fdd1fe.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_55374bff351d770928ea15dd2e7f22d81d2af7a10c11a9417e24750129fdd1fe.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Windows\SysWOW64\comboausk.exe
  C:\Windows\system32\comboausk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1216
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_55374bff351d770928ea15dd2e7f22d81d2af7a10c11a9417e24750129fdd1fe.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4172

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

jaffacakes118_55374bff351d770928ea15dd2e7f22d81d2af7a10c11a9417e24750129fdd1fe.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_55374bff351d770928ea15dd2e7f22d81d2af7a10c11a9417e24750129fdd1fe.exe.bat
Size 274B
SHA256 a550115e186962d76fef54d4ce5fa94921dccab994c116fb7b529544a0057991
MD5 fd1d82eb9370a1d07e5b9e4f6c05eb2a
SHA1 512c06a5d0c8054feaa8551383b03ae8b45bc5c9
SHA512 c242ac6fb346d73e5e2f73bd5773cb995b6c5afff588d3befb3913250319fe2d7f523d8d206802ee26278c96b0e66c02ab3d4a0a00a888f849471aa65b05222a
TLSH
T11ED02BD493A987464C00BCAF4E27ADC85101E791164D3F011F238EC820C152AF3C6EDB
MD5 SHA1 SHA512 TLSH

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comboausk.exe

Path C:\Windows\SysWOW64\comboausk.exe
Size 48KB
SHA256 55374bff351d770928ea15dd2e7f22d81d2af7a10c11a9417e24750129fdd1fe
MD5 e807a604693049111770293a6b59e4fa
SHA1 d0923d2c1c8c957ebab590c34cafaf1d5d4027b5
SHA512 23600bb606d484f10c10779d2934b65f35a04b5af05eae0bc46d56b3c8b36977b0ee4df94975e1b070770be7246d2d3452936b2c1c34e10510ab608caef445e2
SSDEEP 384:MyF2UM6XvrtTMntsYPppAtdUpLJIg9Wj9JThxbJAmGpct5QabwQ:MysUJrt+nxphpLJIQWj9JbJ/Gat5sQ
TLSH
T119237CCF290764F2D4DE05B031EABD024FBA5E383B57149BDBFB6A452AB1143842560B
MD5 SHA1 SHA512 SSDEEP TLSH

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