242e3634a1de0c92ecb12697a56d770bedf049bd4656c0785c1afdc99b3b5f0d

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/09/2026, 22:23

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General

Target
jaffacakes118_242e3634a1de0c92ecb12697a56d770bedf049bd4656c0785c1afdc99b3b5f0d.exe
Size 44KB
Sample260925-2a4yfa1tbt
SHA256 242e3634a1de0c92ecb12697a56d770bedf049bd4656c0785c1afdc99b3b5f0d
MD5 f16e33b0c315a22f466ae20194f80ee9
SHA1 f415250b818ce99dff59a599365b5028ea261cb5
SHA512 ad3bf8de965e8848b86c7de1165f6a736e58e5c3db3c6056f1867f253c34be3c4e994cbe5dcc216e272f44d5c84f8a41d80f928f7eb212765c40eec171acf257
SSDEEP 384:NlTHMLTd9vNgy6qne7/SV7WEkj6VlKpct5x0S3Q2:fjc1NgJ0Szj6Vcat5xtA
TLSH
T116133A8BA70444F2C3EE0D75286692365BBBAC344B179AC3CF3396859D306A86D3531B
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
3704	dearntsk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dearnts.dll	jaffacakes118_242e3634a1de0c92ecb12697a56d770bedf049bd4656c0785c1afdc99b3b5f0d.exe
File created	C:\Windows\SysWOW64\dearntsk.exe	jaffacakes118_242e3634a1de0c92ecb12697a56d770bedf049bd4656c0785c1afdc99b3b5f0d.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
4168	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_242e3634a1de0c92ecb12697a56d770bedf049bd4656c0785c1afdc99b3b5f0d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dearntsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 3704	1668	jaffacakes118_242e3634a1de0c92ecb12697a56d770bedf049bd4656c0785c1afdc99b3b5f0d.exe	89
PID 1668 wrote to memory of 4168	1668	jaffacakes118_242e3634a1de0c92ecb12697a56d770bedf049bd4656c0785c1afdc99b3b5f0d.exe	90

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_242e3634a1de0c92ecb12697a56d770bedf049bd4656c0785c1afdc99b3b5f0d.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_242e3634a1de0c92ecb12697a56d770bedf049bd4656c0785c1afdc99b3b5f0d.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Windows\SysWOW64\dearntsk.exe
  C:\Windows\system32\dearntsk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3704
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_242e3634a1de0c92ecb12697a56d770bedf049bd4656c0785c1afdc99b3b5f0d.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4168

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_242e3634a1de0c92ecb12697a56d770bedf049bd4656c0785c1afdc99b3b5f0d.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_242e3634a1de0c92ecb12697a56d770bedf049bd4656c0785c1afdc99b3b5f0d.exe.bat
Size 274B
SHA256 8a1754f1b124c5dfe5100a2acb07ccb2df357ca97047c8465d9f74c0c67327f5
MD5 857d5d7af773115741bfaf21abb48b36
SHA1 03c4b6770ee081f0cf2b1a4409949493ec69074d
SHA512 3a9d8075d4544e6e97807c694756dfb9be26d95db344dda833afc47c3073917b4dfffd6a6fbb599a48a551a8923addf2efe6bb3c6d9f0f0a3a70cda1f2237f41
TLSH
T1DFD02B648657444F4C13F02F077A024EE3108A8F268E3E060771879920DB8AA7A97205
MD5 SHA1 SHA512 TLSH

Submit Download

dearntsk.exe

Path C:\Windows\SysWOW64\dearntsk.exe
Size 44KB
SHA256 242e3634a1de0c92ecb12697a56d770bedf049bd4656c0785c1afdc99b3b5f0d
MD5 f16e33b0c315a22f466ae20194f80ee9
SHA1 f415250b818ce99dff59a599365b5028ea261cb5
SHA512 ad3bf8de965e8848b86c7de1165f6a736e58e5c3db3c6056f1867f253c34be3c4e994cbe5dcc216e272f44d5c84f8a41d80f928f7eb212765c40eec171acf257
SSDEEP 384:NlTHMLTd9vNgy6qne7/SV7WEkj6VlKpct5x0S3Q2:fjc1NgJ0Szj6Vcat5xtA
TLSH
T116133A8BA70444F2C3EE0D75286692365BBBAC344B179AC3CF3396859D306A86D3531B
MD5 SHA1 SHA512 SSDEEP TLSH