d566247eef335a5f250d4e2ad02fbb5980b724c9895577109db78d7357fcd258

Analysis

max time kernel
150s
max time network
140s
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, 04:26

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General

Target
jaffacakes118_d566247eef335a5f250d4e2ad02fbb5980b724c9895577109db78d7357fcd258.exe
Size 48KB
Sample260924-e2k83syeqg
SHA256 d566247eef335a5f250d4e2ad02fbb5980b724c9895577109db78d7357fcd258
MD5 205f0a710c5ac064fc324059003547be
SHA1 c46837a3707c83c5f29b7dde3da721fcb2f5cf89
SHA512 bdfcc9108690fd31eac384c0ef752a8eb077a2a9aae0f05ef6261abf71e91db9f98206d5bc3c5d3b1ec7b71913a8d38b54ac9a124a574d019e86c2113bedd6b9
SSDEEP 768:dV1u8sTFotkQUZELXm3ezCR6VEPfGY99Kpn19iAJ:dTJ8gkpZELXm3ezCbCpn5
TLSH
T1DA2329477259CCB2C4DF02B93985EF6B5AB97E34069BD593B7E7B78919344038430E0A
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
2920	mcromvk.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mcromv.dll	jaffacakes118_d566247eef335a5f250d4e2ad02fbb5980b724c9895577109db78d7357fcd258.exe
File created	C:\Windows\SysWOW64\mcromvk.exe	jaffacakes118_d566247eef335a5f250d4e2ad02fbb5980b724c9895577109db78d7357fcd258.exe
File opened for modification	C:\Windows\SysWOW64\mcromvk.exe	jaffacakes118_d566247eef335a5f250d4e2ad02fbb5980b724c9895577109db78d7357fcd258.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
4040	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_d566247eef335a5f250d4e2ad02fbb5980b724c9895577109db78d7357fcd258.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mcromvk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 2920	1652	jaffacakes118_d566247eef335a5f250d4e2ad02fbb5980b724c9895577109db78d7357fcd258.exe	87
PID 1652 wrote to memory of 4040	1652	jaffacakes118_d566247eef335a5f250d4e2ad02fbb5980b724c9895577109db78d7357fcd258.exe	99

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_d566247eef335a5f250d4e2ad02fbb5980b724c9895577109db78d7357fcd258.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_d566247eef335a5f250d4e2ad02fbb5980b724c9895577109db78d7357fcd258.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\SysWOW64\mcromvk.exe
  C:\Windows\system32\mcromvk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2920
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_d566247eef335a5f250d4e2ad02fbb5980b724c9895577109db78d7357fcd258.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4040

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_d566247eef335a5f250d4e2ad02fbb5980b724c9895577109db78d7357fcd258.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_d566247eef335a5f250d4e2ad02fbb5980b724c9895577109db78d7357fcd258.exe.bat
Size 274B
SHA256 7c148f6b709411a11ad71456cfbc6f149dfb079890771dc9549b03e844da2bed
MD5 8b691d643228fc91e07911a6205d2e02
SHA1 3a7aac168117683990592c4790a7e1f0edc98aa8
SHA512 8bc6a5e12d8b5f22f37df05f560c7aed5bac443b24b52b4e7661a1ed98ebe4f6904644c50266e6107dd78f144bdd25eedb86e82978cdaeb622512e54496850c9
TLSH
T1BDD02BA14341854D4411B40B5E38030ED1814D8517CC3FA11F22E6CC23628087582344
MD5 SHA1 SHA512 TLSH

Submit Download

mcromvk.exe

Path C:\Windows\SysWOW64\mcromvk.exe
Size 48KB
SHA256 d566247eef335a5f250d4e2ad02fbb5980b724c9895577109db78d7357fcd258
MD5 205f0a710c5ac064fc324059003547be
SHA1 c46837a3707c83c5f29b7dde3da721fcb2f5cf89
SHA512 bdfcc9108690fd31eac384c0ef752a8eb077a2a9aae0f05ef6261abf71e91db9f98206d5bc3c5d3b1ec7b71913a8d38b54ac9a124a574d019e86c2113bedd6b9
SSDEEP 768:dV1u8sTFotkQUZELXm3ezCR6VEPfGY99Kpn19iAJ:dTJ8gkpZELXm3ezCbCpn5
TLSH
T1DA2329477259CCB2C4DF02B93985EF6B5AB97E34069BD593B7E7B78919344038430E0A
MD5 SHA1 SHA512 SSDEEP TLSH