a546027795facfffaec6476e6c1e7dd6c3c94d7b7229dc125dfe1fded39e6bea

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
24/09/2026, 04:24

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General

Target
jaffacakes118_a546027795facfffaec6476e6c1e7dd6c3c94d7b7229dc125dfe1fded39e6bea.exe
Size 52KB
Sample260924-e1f8qsyeph
SHA256 a546027795facfffaec6476e6c1e7dd6c3c94d7b7229dc125dfe1fded39e6bea
MD5 92e1d37ffe23f74a6f6f81f2344ae795
SHA1 b18b077c41c1f5a497e75ca4a257d8e0ca13ced0
SHA512 c4bd4615c8deef53fb85a60fe879a3a122bdee66e164ff7e98c623954f08ea7afbacbf090ea2e10737d86985e247c1fc12836406324da4212dea197f989b4467
SSDEEP 384:+wPu9btfYvlvTF9a9ir7wDpj4k9D/t5A49Q6kzK:ZPm+1TF9a9ir7wNj4R49/kW
TLSH
T161333B8B4AA1BBF2CB6E013436CBAB1F19BA5E31295E7857E2D7B9025D350C1E184D07
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
3304	rmchampk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rmchamp.dll	jaffacakes118_a546027795facfffaec6476e6c1e7dd6c3c94d7b7229dc125dfe1fded39e6bea.exe
File created	C:\Windows\SysWOW64\rmchampk.exe	jaffacakes118_a546027795facfffaec6476e6c1e7dd6c3c94d7b7229dc125dfe1fded39e6bea.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
4752	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_a546027795facfffaec6476e6c1e7dd6c3c94d7b7229dc125dfe1fded39e6bea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rmchampk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5632 wrote to memory of 3304	5632	jaffacakes118_a546027795facfffaec6476e6c1e7dd6c3c94d7b7229dc125dfe1fded39e6bea.exe	88
PID 5632 wrote to memory of 4752	5632	jaffacakes118_a546027795facfffaec6476e6c1e7dd6c3c94d7b7229dc125dfe1fded39e6bea.exe	90

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_a546027795facfffaec6476e6c1e7dd6c3c94d7b7229dc125dfe1fded39e6bea.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_a546027795facfffaec6476e6c1e7dd6c3c94d7b7229dc125dfe1fded39e6bea.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5632
- C:\Windows\SysWOW64\rmchampk.exe
  C:\Windows\system32\rmchampk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3304
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_a546027795facfffaec6476e6c1e7dd6c3c94d7b7229dc125dfe1fded39e6bea.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4752

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_a546027795facfffaec6476e6c1e7dd6c3c94d7b7229dc125dfe1fded39e6bea.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_a546027795facfffaec6476e6c1e7dd6c3c94d7b7229dc125dfe1fded39e6bea.exe.bat
Size 274B
SHA256 ccb448575ec9d2a2b8deac4bd4ffadb361626c4995c8a7cbb064fa2d2311e9b1
MD5 896c6d5d88c0ed8b39f5d34bb76a1c29
SHA1 567d9e61b129de93fcc8ba71bd439aa2d40f16a4
SHA512 eb71db9a41930df13822ec15dcabb30b655d415be7d28a5df1b7d7ea054a34b91c83346a7ede24bbf9ad0998832daea1139ccb260009e4f6c72d523f34674a1b
TLSH
T1B3D02BF113135AC2486CCB0F1AB06508F0B3CC853DC83F221734C3D0106020EB5C6684
MD5 SHA1 SHA512 TLSH

Submit Download

rmchampk.exe

Path C:\Windows\SysWOW64\rmchampk.exe
Size 52KB
SHA256 a546027795facfffaec6476e6c1e7dd6c3c94d7b7229dc125dfe1fded39e6bea
MD5 92e1d37ffe23f74a6f6f81f2344ae795
SHA1 b18b077c41c1f5a497e75ca4a257d8e0ca13ced0
SHA512 c4bd4615c8deef53fb85a60fe879a3a122bdee66e164ff7e98c623954f08ea7afbacbf090ea2e10737d86985e247c1fc12836406324da4212dea197f989b4467
SSDEEP 384:+wPu9btfYvlvTF9a9ir7wDpj4k9D/t5A49Q6kzK:ZPm+1TF9a9ir7wNj4R49/kW
TLSH
T161333B8B4AA1BBF2CB6E013436CBAB1F19BA5E31295E7857E2D7B9025D350C1E184D07
MD5 SHA1 SHA512 SSDEEP TLSH