bbcb140fe6b0f5c8335f7a995d8c45516278e7a772c9836d83acd7b706029157

Analysis

max time kernel
150s
max time network
124s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/09/2026, 04:36

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General

Target
jaffacakes118_bbcb140fe6b0f5c8335f7a995d8c45516278e7a772c9836d83acd7b706029157.exe
Size 52KB
Sample260924-e8hfrsyfqd
SHA256 bbcb140fe6b0f5c8335f7a995d8c45516278e7a772c9836d83acd7b706029157
MD5 caeb943a34c28a250088ccf89e3fa3d6
SHA1 60e0554626a6957bf6c59809c1f4e9a1fe6acb66
SHA512 a4218b36eab53d044e5f2dce463edaff1475f25dc1cd0fd7b62444d64ba0bc47093edda5f98d8ec92988f91b436c09dce88dea06fe14c22ac2e35314b9348c5c
SSDEEP 384:+wPu9btfYvlvTF9a9ir7wDpj4k9D/t5A49Q6kzK:ZPm+1TF9a9ir7wNj4R49/kW
TLSH
T176333B8B46A1BBF2CB6E013436CBBB1F19BA5E31295E7857E2D7B9025D350C1E184D07
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
4216	rmchampk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rmchamp.dll	jaffacakes118_bbcb140fe6b0f5c8335f7a995d8c45516278e7a772c9836d83acd7b706029157.exe
File created	C:\Windows\SysWOW64\rmchampk.exe	jaffacakes118_bbcb140fe6b0f5c8335f7a995d8c45516278e7a772c9836d83acd7b706029157.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
1576	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	rmchampk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_bbcb140fe6b0f5c8335f7a995d8c45516278e7a772c9836d83acd7b706029157.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4644 wrote to memory of 4216	4644	jaffacakes118_bbcb140fe6b0f5c8335f7a995d8c45516278e7a772c9836d83acd7b706029157.exe	88
PID 4644 wrote to memory of 1576	4644	jaffacakes118_bbcb140fe6b0f5c8335f7a995d8c45516278e7a772c9836d83acd7b706029157.exe	90

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_bbcb140fe6b0f5c8335f7a995d8c45516278e7a772c9836d83acd7b706029157.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_bbcb140fe6b0f5c8335f7a995d8c45516278e7a772c9836d83acd7b706029157.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4644
- C:\Windows\SysWOW64\rmchampk.exe
  C:\Windows\system32\rmchampk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4216
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_bbcb140fe6b0f5c8335f7a995d8c45516278e7a772c9836d83acd7b706029157.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:1576

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_bbcb140fe6b0f5c8335f7a995d8c45516278e7a772c9836d83acd7b706029157.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_bbcb140fe6b0f5c8335f7a995d8c45516278e7a772c9836d83acd7b706029157.exe.bat
Size 274B
SHA256 2bcdc0df04395224cf5782c4038eb53d31ffed91b11acb895b70f2b38d172c25
MD5 74a9d11e2ef36df1ba6283589d8171fe
SHA1 7b30a6e576831612e73ef14de7976806b4044372
SHA512 7ddcbf72897f75110bc0960342f5659e5c1227736220e06321ab3a64a6efb5928a55bcc1e1a6fe1632ac1ad0dd4474c060f9abf951c643aacd0b98b967b4953f
TLSH
T104D02BE8C2258E654830EDBFC63AD789D030CE5829CD3F630A23C4C9222156DF9F934A
MD5 SHA1 SHA512 TLSH

Submit Download

rmchampk.exe

Path C:\Windows\SysWOW64\rmchampk.exe
Size 52KB
SHA256 bbcb140fe6b0f5c8335f7a995d8c45516278e7a772c9836d83acd7b706029157
MD5 caeb943a34c28a250088ccf89e3fa3d6
SHA1 60e0554626a6957bf6c59809c1f4e9a1fe6acb66
SHA512 a4218b36eab53d044e5f2dce463edaff1475f25dc1cd0fd7b62444d64ba0bc47093edda5f98d8ec92988f91b436c09dce88dea06fe14c22ac2e35314b9348c5c
SSDEEP 384:+wPu9btfYvlvTF9a9ir7wDpj4k9D/t5A49Q6kzK:ZPm+1TF9a9ir7wNj4R49/kW
TLSH
T176333B8B46A1BBF2CB6E013436CBBB1F19BA5E31295E7857E2D7B9025D350C1E184D07
MD5 SHA1 SHA512 SSDEEP TLSH