496faa0b5cc057e8f23fd72a47f0fb909eab0c09ea2379149bf04120bde348b1

Analysis

max time kernel
150s
max time network
137s
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, 04:24

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General

Target
jaffacakes118_496faa0b5cc057e8f23fd72a47f0fb909eab0c09ea2379149bf04120bde348b1.exe
Size 52KB
Sample260924-e1epxayepf
SHA256 496faa0b5cc057e8f23fd72a47f0fb909eab0c09ea2379149bf04120bde348b1
MD5 24ca8fe4ae02a05a7d7caa3518661e04
SHA1 651a5e6741f30b853d27ed37aef4a5ca57859ad7
SHA512 31ff56010d94d113d6dd9415134998dedac8c1ceaba454ab2d4b93bdb0479f10d5195f1b8d4c34ba0f7b832ead94f8de8b7f247c979d085a6328b5386497d155
SSDEEP 384:+wPu9btfYvlvTF9a9ir7wDpj4k9D/t5A49Q6kzK:ZPm+1TF9a9ir7wNj4R49/kW
TLSH
T1DB333B8B46A1EBF2CB6E013436CBBB1F19BA5E31295E7857E2D7B9025D350C1E184D07
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
1036	rmchampk.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rmchamp.dll	jaffacakes118_496faa0b5cc057e8f23fd72a47f0fb909eab0c09ea2379149bf04120bde348b1.exe
File created	C:\Windows\SysWOW64\rmchampk.exe	jaffacakes118_496faa0b5cc057e8f23fd72a47f0fb909eab0c09ea2379149bf04120bde348b1.exe
File opened for modification	C:\Windows\SysWOW64\rmchampk.exe	jaffacakes118_496faa0b5cc057e8f23fd72a47f0fb909eab0c09ea2379149bf04120bde348b1.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
2936	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_496faa0b5cc057e8f23fd72a47f0fb909eab0c09ea2379149bf04120bde348b1.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 924 wrote to memory of 1036	924	jaffacakes118_496faa0b5cc057e8f23fd72a47f0fb909eab0c09ea2379149bf04120bde348b1.exe	85
PID 924 wrote to memory of 2936	924	jaffacakes118_496faa0b5cc057e8f23fd72a47f0fb909eab0c09ea2379149bf04120bde348b1.exe	97

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_496faa0b5cc057e8f23fd72a47f0fb909eab0c09ea2379149bf04120bde348b1.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_496faa0b5cc057e8f23fd72a47f0fb909eab0c09ea2379149bf04120bde348b1.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:924
- C:\Windows\SysWOW64\rmchampk.exe
  C:\Windows\system32\rmchampk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1036
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_496faa0b5cc057e8f23fd72a47f0fb909eab0c09ea2379149bf04120bde348b1.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:2936

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

Replay Monitor

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Downloads

jaffacakes118_496faa0b5cc057e8f23fd72a47f0fb909eab0c09ea2379149bf04120bde348b1.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_496faa0b5cc057e8f23fd72a47f0fb909eab0c09ea2379149bf04120bde348b1.exe.bat
Size 274B
SHA256 cc14d72a774e6c1d692f563cc6ae3df46ecfbeaae6efc0f5da3d1c22561ad5a8
MD5 01870f21750ab013896674cfe2959ea3
SHA1 2676a6a22d3014231fca9fdb90a912c11b0f4dbb
SHA512 3f4560256b64dae34854179df7df9a7ab7268835cb8f85b67c549413128a53fa9a2d722668d94132a97631a09c04928c4a3fe809fc4c3ab649fc5881567fd142
TLSH
T1DED02B8030969CEE8C21F00F85769B8DC00089C83BCC2A201FB291803211D1D67DF318
MD5 SHA1 SHA512 TLSH

Submit Download

rmchampk.exe

Path C:\Windows\SysWOW64\rmchampk.exe
Size 52KB
SHA256 496faa0b5cc057e8f23fd72a47f0fb909eab0c09ea2379149bf04120bde348b1
MD5 24ca8fe4ae02a05a7d7caa3518661e04
SHA1 651a5e6741f30b853d27ed37aef4a5ca57859ad7
SHA512 31ff56010d94d113d6dd9415134998dedac8c1ceaba454ab2d4b93bdb0479f10d5195f1b8d4c34ba0f7b832ead94f8de8b7f247c979d085a6328b5386497d155
SSDEEP 384:+wPu9btfYvlvTF9a9ir7wDpj4k9D/t5A49Q6kzK:ZPm+1TF9a9ir7wNj4R49/kW
TLSH
T1DB333B8B46A1EBF2CB6E013436CBBB1F19BA5E31295E7857E2D7B9025D350C1E184D07
MD5 SHA1 SHA512 SSDEEP TLSH