18dd93f389414e487533b53028261a285488eac3bd593e0a1c80780d8351efe7

Analysis

max time kernel
150s
max time network
140s
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, 04:25

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General

Target
jaffacakes118_18dd93f389414e487533b53028261a285488eac3bd593e0a1c80780d8351efe7.exe
Size 52KB
Sample260924-e14n2a1w2l
SHA256 18dd93f389414e487533b53028261a285488eac3bd593e0a1c80780d8351efe7
MD5 e33c7e6b56a89d95d5a448866836377a
SHA1 5e7d56f026136c6ec809891e218e0eeef398f52d
SHA512 7a2242743b0b208fd961e9311949ff263e2dce710b7bc001f1e99634554ab164b741af857a919f9eb9737c2b45d8454daece538efc693622286a3d52bb061436
SSDEEP 384:+wPu9btfYvlvTF9a9ir7wDpj4k9D/t5A49Q6kzK:ZPm+1TF9a9ir7wNj4R49/kW
TLSH
T157333B8B46A1EBF2CB6E013436CBAB1F19BA5E31295E7857E2D7B9025D350C1E184D07
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
4148	rmchampk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rmchamp.dll	jaffacakes118_18dd93f389414e487533b53028261a285488eac3bd593e0a1c80780d8351efe7.exe
File created	C:\Windows\SysWOW64\rmchampk.exe	jaffacakes118_18dd93f389414e487533b53028261a285488eac3bd593e0a1c80780d8351efe7.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
3012	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_18dd93f389414e487533b53028261a285488eac3bd593e0a1c80780d8351efe7.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 2924 wrote to memory of 4148	2924	jaffacakes118_18dd93f389414e487533b53028261a285488eac3bd593e0a1c80780d8351efe7.exe	90
PID 2924 wrote to memory of 3012	2924	jaffacakes118_18dd93f389414e487533b53028261a285488eac3bd593e0a1c80780d8351efe7.exe	92

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_18dd93f389414e487533b53028261a285488eac3bd593e0a1c80780d8351efe7.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_18dd93f389414e487533b53028261a285488eac3bd593e0a1c80780d8351efe7.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Windows\SysWOW64\rmchampk.exe
  C:\Windows\system32\rmchampk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4148
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_18dd93f389414e487533b53028261a285488eac3bd593e0a1c80780d8351efe7.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:3012

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_18dd93f389414e487533b53028261a285488eac3bd593e0a1c80780d8351efe7.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_18dd93f389414e487533b53028261a285488eac3bd593e0a1c80780d8351efe7.exe.bat
Size 274B
SHA256 807e951d4fc5f1111bf468b65f7c336583c404624848656ddfacd80f64cc400a
MD5 ff01e2815dc933cf6c8c0afd76edf3fa
SHA1 6d93ec8e86358c266dc02cd9ea39c991d9663927
SHA512 93dd6715681d23d67945222bc896c2ac321b271a8b992a8d92528a34c6bee4ce1e31e2dceb31f382ae820699a0925bf1342dbe5b908078630a18b4ca21c9d771
TLSH
T1F3D02B08460BEC810555FA6FCF7761C951490C98254C1B2C632681D911A200AB3DBB44
MD5 SHA1 SHA512 TLSH

Submit Download

rmchampk.exe

Path C:\Windows\SysWOW64\rmchampk.exe
Size 52KB
SHA256 18dd93f389414e487533b53028261a285488eac3bd593e0a1c80780d8351efe7
MD5 e33c7e6b56a89d95d5a448866836377a
SHA1 5e7d56f026136c6ec809891e218e0eeef398f52d
SHA512 7a2242743b0b208fd961e9311949ff263e2dce710b7bc001f1e99634554ab164b741af857a919f9eb9737c2b45d8454daece538efc693622286a3d52bb061436
SSDEEP 384:+wPu9btfYvlvTF9a9ir7wDpj4k9D/t5A49Q6kzK:ZPm+1TF9a9ir7wNj4R49/kW
TLSH
T157333B8B46A1EBF2CB6E013436CBAB1F19BA5E31295E7857E2D7B9025D350C1E184D07
MD5 SHA1 SHA512 SSDEEP TLSH