370ef1143d4501e84c403b9ecbd1f9b10d90d9c8cfa0c3fe40f568de56af5e45

Analysis

max time kernel
150s
max time network
126s
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, 11:15

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General

Target
jaffacakes118_370ef1143d4501e84c403b9ecbd1f9b10d90d9c8cfa0c3fe40f568de56af5e45.exe
Size 44KB
Sample260924-nc13nscc34
SHA256 370ef1143d4501e84c403b9ecbd1f9b10d90d9c8cfa0c3fe40f568de56af5e45
MD5 8d76a26b82be6bfdcf83371c19b59fe6
SHA1 1d63abeffd999152124c27280ad2cbe37a04b7b5
SHA512 f24be7d84dbb5b1610061ea753ba31f2de233c3e216459925e35a475f1019f7ac86e0e2456759978fd484dbd2db9e8c4fcd2275b7aa525cea3fc367410ab5211
SSDEEP 384:NlTHMLTd9vNgy6qne7/SV7WEkj6VlKpct5x0S3QC:fjc1NgJ0Szj6Vcat5xtA
TLSH
T1FF133A8BA70444F2C3EE0D75286692365BBBAC3457179AC3CF3396859D306A86D3531B
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
4196	dearntsk.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dearnts.dll	jaffacakes118_370ef1143d4501e84c403b9ecbd1f9b10d90d9c8cfa0c3fe40f568de56af5e45.exe
File created	C:\Windows\SysWOW64\dearntsk.exe	jaffacakes118_370ef1143d4501e84c403b9ecbd1f9b10d90d9c8cfa0c3fe40f568de56af5e45.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
408	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_370ef1143d4501e84c403b9ecbd1f9b10d90d9c8cfa0c3fe40f568de56af5e45.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 4656 wrote to memory of 4196	4656	jaffacakes118_370ef1143d4501e84c403b9ecbd1f9b10d90d9c8cfa0c3fe40f568de56af5e45.exe	89
PID 4656 wrote to memory of 408	4656	jaffacakes118_370ef1143d4501e84c403b9ecbd1f9b10d90d9c8cfa0c3fe40f568de56af5e45.exe	91

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_370ef1143d4501e84c403b9ecbd1f9b10d90d9c8cfa0c3fe40f568de56af5e45.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_370ef1143d4501e84c403b9ecbd1f9b10d90d9c8cfa0c3fe40f568de56af5e45.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Windows\SysWOW64\dearntsk.exe
  C:\Windows\system32\dearntsk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4196
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_370ef1143d4501e84c403b9ecbd1f9b10d90d9c8cfa0c3fe40f568de56af5e45.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:408

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_370ef1143d4501e84c403b9ecbd1f9b10d90d9c8cfa0c3fe40f568de56af5e45.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_370ef1143d4501e84c403b9ecbd1f9b10d90d9c8cfa0c3fe40f568de56af5e45.exe.bat
Size 274B
SHA256 348a52e913551d4cca9025709151450ba0be6a1fa795d354794796ad44b67e5b
MD5 35efce4c4415c38f124cf1b94fb47d9b
SHA1 9a01cff2524589c228d87cc26b7edfe9397008ca
SHA512 dbe57fc138b8281caec3f5623203de6a7b5268cfb73162610ccf4bb3e140a30f45d31a99e1ea6efe3150faf7a78c5ea473cfee1e65280676f8335b5e2c82184f
TLSH
T1A4D02BE1A2518F040C54B82F85291689C058091479873E130F72C1CC40A103DF6E2743
MD5 SHA1 SHA512 TLSH

Submit Download

dearntsk.exe

Path C:\Windows\SysWOW64\dearntsk.exe
Size 44KB
SHA256 370ef1143d4501e84c403b9ecbd1f9b10d90d9c8cfa0c3fe40f568de56af5e45
MD5 8d76a26b82be6bfdcf83371c19b59fe6
SHA1 1d63abeffd999152124c27280ad2cbe37a04b7b5
SHA512 f24be7d84dbb5b1610061ea753ba31f2de233c3e216459925e35a475f1019f7ac86e0e2456759978fd484dbd2db9e8c4fcd2275b7aa525cea3fc367410ab5211
SSDEEP 384:NlTHMLTd9vNgy6qne7/SV7WEkj6VlKpct5x0S3QC:fjc1NgJ0Szj6Vcat5xtA
TLSH
T1FF133A8BA70444F2C3EE0D75286692365BBBAC3457179AC3CF3396859D306A86D3531B
MD5 SHA1 SHA512 SSDEEP TLSH