d39255d66d60535ba72aa59be801abc55478fa7ec5bbc0eba2a8603289aee3ec

Analysis

max time kernel
150s
max time network
143s
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, 11:14

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General

Target
jaffacakes118_d39255d66d60535ba72aa59be801abc55478fa7ec5bbc0eba2a8603289aee3ec.exe
Size 44KB
Sample260924-ncbg1sshkb
SHA256 d39255d66d60535ba72aa59be801abc55478fa7ec5bbc0eba2a8603289aee3ec
MD5 f6a801a0445f05491db6bfbb8b7d0c5b
SHA1 583e9eb1b959a3e2b468b8590f184f176489d352
SHA512 064c14fcf9f0fd5f360f78e777c1bf0c7b0e7c603558bde4a85a25a4590d56e5cc33ea4970445654e879cca35cc01cd641e0b2da4a1a58a0fa774b3680d6b686
SSDEEP 384:AkJFijR+vrtwgu0LZ5qgIPSjOJzG73OrEg5E2t5GcGX:A+FiMrtwz2jso6zGwEga2t5GcG
TLSH
T1CC13394B2A1488F3E69A8635366B473B4BAF2D3006754C96CBE75FE93C34CA15C31217
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
2348	thermaltinck.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\thermaltinck.exe	jaffacakes118_d39255d66d60535ba72aa59be801abc55478fa7ec5bbc0eba2a8603289aee3ec.exe
File created	C:\Windows\SysWOW64\thermaltinc.dll	jaffacakes118_d39255d66d60535ba72aa59be801abc55478fa7ec5bbc0eba2a8603289aee3ec.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
5868	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_d39255d66d60535ba72aa59be801abc55478fa7ec5bbc0eba2a8603289aee3ec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	thermaltinck.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3108	jaffacakes118_d39255d66d60535ba72aa59be801abc55478fa7ec5bbc0eba2a8603289aee3ec.exe
3108	jaffacakes118_d39255d66d60535ba72aa59be801abc55478fa7ec5bbc0eba2a8603289aee3ec.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3108 wrote to memory of 2348	3108	jaffacakes118_d39255d66d60535ba72aa59be801abc55478fa7ec5bbc0eba2a8603289aee3ec.exe	89
PID 3108 wrote to memory of 5868	3108	jaffacakes118_d39255d66d60535ba72aa59be801abc55478fa7ec5bbc0eba2a8603289aee3ec.exe	90

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_d39255d66d60535ba72aa59be801abc55478fa7ec5bbc0eba2a8603289aee3ec.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_d39255d66d60535ba72aa59be801abc55478fa7ec5bbc0eba2a8603289aee3ec.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3108
- C:\Windows\SysWOW64\thermaltinck.exe
  C:\Windows\system32\thermaltinck.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2348
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_d39255d66d60535ba72aa59be801abc55478fa7ec5bbc0eba2a8603289aee3ec.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:5868

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_d39255d66d60535ba72aa59be801abc55478fa7ec5bbc0eba2a8603289aee3ec.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_d39255d66d60535ba72aa59be801abc55478fa7ec5bbc0eba2a8603289aee3ec.exe.bat
Size 274B
SHA256 c8a6efcc23781fd11810a555a39ac507e91cc61f256d04a63a723914a05821c0
MD5 7f0402c4e68d5080f4690720c889da43
SHA1 01957356bcea0fb4642fe9eab190087dcc435aff
SHA512 1b98f4c6d48ee574951f8b67eb94520d0af18b6f53c4f42bf564f18ee9389f26ec60f077252403c500c419426af47410673db89ea7ee1a1f31f9996ccb7c7ed8
TLSH
T1BFD02BE9025B412B0404D61F4770874EC0157AC03E893F214612C4C4EA6341973C5B47
MD5 SHA1 SHA512 TLSH

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thermaltinck.exe

Path C:\Windows\SysWOW64\thermaltinck.exe
Size 44KB
SHA256 d39255d66d60535ba72aa59be801abc55478fa7ec5bbc0eba2a8603289aee3ec
MD5 f6a801a0445f05491db6bfbb8b7d0c5b
SHA1 583e9eb1b959a3e2b468b8590f184f176489d352
SHA512 064c14fcf9f0fd5f360f78e777c1bf0c7b0e7c603558bde4a85a25a4590d56e5cc33ea4970445654e879cca35cc01cd641e0b2da4a1a58a0fa774b3680d6b686
SSDEEP 384:AkJFijR+vrtwgu0LZ5qgIPSjOJzG73OrEg5E2t5GcGX:A+FiMrtwz2jso6zGwEga2t5GcG
TLSH
T1CC13394B2A1488F3E69A8635366B473B4BAF2D3006754C96CBE75FE93C34CA15C31217
MD5 SHA1 SHA512 SSDEEP TLSH

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