ae0f5fbd5b7745b8b7bb09192a3c03d79e52d48da83234e89cf894dbeb08d414

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, 04:39

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General

Target
jaffacakes118_ae0f5fbd5b7745b8b7bb09192a3c03d79e52d48da83234e89cf894dbeb08d414.exe
Size 48KB
Sample260924-e9976syxc1
SHA256 ae0f5fbd5b7745b8b7bb09192a3c03d79e52d48da83234e89cf894dbeb08d414
MD5 ddd2767a5ed200e36689315f387f022a
SHA1 7a9f0104c689cca56d5ea9c97fe55f6f1b9d23e3
SHA512 f3edb3b49f5dce1dddfc57d2922965a9949c80bd0eed63bc64e07baed615c2b491d4d213ff79749edfdea3971dc944c49ac54acaeea2889d54e05467510e1c9e
SSDEEP 384:l1yBvwdqvWFpB9mDfDu7bSvOyfBJTyzuDpNMcqJ7TQwe:lcp0uWFpGjDOspnTwyNNqZze
TLSH
T1A9235C4F7A01A8F0C99F0535329E7E1B9FB25D3832E9645BCED788882E7418BD425E07
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
3404	mircosk.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\mircosk.exe	jaffacakes118_ae0f5fbd5b7745b8b7bb09192a3c03d79e52d48da83234e89cf894dbeb08d414.exe
File created	C:\Windows\SysWOW64\mircos.dll	jaffacakes118_ae0f5fbd5b7745b8b7bb09192a3c03d79e52d48da83234e89cf894dbeb08d414.exe
File created	C:\Windows\SysWOW64\mircosk.exe	jaffacakes118_ae0f5fbd5b7745b8b7bb09192a3c03d79e52d48da83234e89cf894dbeb08d414.exe

Event Triggered Execution: Accessibility Features 1 TTPs
Windows contains accessibility features that may be used by adversaries to establish persistence and/or elevate privileges.
persistence privilege_escalation

Accessibility Features
T1546.008

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
464	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_ae0f5fbd5b7745b8b7bb09192a3c03d79e52d48da83234e89cf894dbeb08d414.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mircosk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 888 wrote to memory of 3404	888	jaffacakes118_ae0f5fbd5b7745b8b7bb09192a3c03d79e52d48da83234e89cf894dbeb08d414.exe	85
PID 888 wrote to memory of 464	888	jaffacakes118_ae0f5fbd5b7745b8b7bb09192a3c03d79e52d48da83234e89cf894dbeb08d414.exe	89

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_ae0f5fbd5b7745b8b7bb09192a3c03d79e52d48da83234e89cf894dbeb08d414.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_ae0f5fbd5b7745b8b7bb09192a3c03d79e52d48da83234e89cf894dbeb08d414.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:888
- C:\Windows\SysWOW64\mircosk.exe
  C:\Windows\system32\mircosk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3404
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_ae0f5fbd5b7745b8b7bb09192a3c03d79e52d48da83234e89cf894dbeb08d414.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:464

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

Accessibility Features

T1546.008

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

Accessibility Features

T1546.008

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_ae0f5fbd5b7745b8b7bb09192a3c03d79e52d48da83234e89cf894dbeb08d414.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_ae0f5fbd5b7745b8b7bb09192a3c03d79e52d48da83234e89cf894dbeb08d414.exe.bat
Size 274B
SHA256 1f0a1809cdaa1f6f0dfbdc23bcab01b1bad4763adfd68fbfa40f010680c9c295
MD5 b9812094427ea635694425279c5fffe2
SHA1 11e29f677c0fe8243e113ce10b8c8044f06ff33c
SHA512 5ca77cd17b75d48e9cb8a812b356426ccea809b05ac18766cfe8ca31e7bd965b2c43fe41fb697b4b446a0994bc17ee6956d7d83d555dc00f2b2c2cd16afcff56
TLSH
T159D02B8411954BA61CC1DE5F073057CBC2644AB127442F161B239BC45153304E9D7B44
MD5 SHA1 SHA512 TLSH

Submit Download

mircosk.exe

Path C:\Windows\SysWOW64\mircosk.exe
Size 48KB
SHA256 ae0f5fbd5b7745b8b7bb09192a3c03d79e52d48da83234e89cf894dbeb08d414
MD5 ddd2767a5ed200e36689315f387f022a
SHA1 7a9f0104c689cca56d5ea9c97fe55f6f1b9d23e3
SHA512 f3edb3b49f5dce1dddfc57d2922965a9949c80bd0eed63bc64e07baed615c2b491d4d213ff79749edfdea3971dc944c49ac54acaeea2889d54e05467510e1c9e
SSDEEP 384:l1yBvwdqvWFpB9mDfDu7bSvOyfBJTyzuDpNMcqJ7TQwe:lcp0uWFpGjDOspnTwyNNqZze
TLSH
T1A9235C4F7A01A8F0C99F0535329E7E1B9FB25D3832E9645BCED788882E7418BD425E07
MD5 SHA1 SHA512 SSDEEP TLSH