2fc21f4e4f76829a27455244125975be3ddf2cc0588baeff7dc61701cc8f08f3

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, 04:32

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General

Target
jaffacakes118_2fc21f4e4f76829a27455244125975be3ddf2cc0588baeff7dc61701cc8f08f3.exe
Size 48KB
Sample260924-e5xraayflg
SHA256 2fc21f4e4f76829a27455244125975be3ddf2cc0588baeff7dc61701cc8f08f3
MD5 8448602cb535fc423dd61dc3e8490a50
SHA1 19e6980466e17be52d1649429f8d6f8ebb6d0d98
SHA512 9f62b45b611d25dcc456e9ff56458c17cab735916cc6a17c28bd291f595837db37e70b3fb89e8ce94fcd19538efd3bc8c8f81d0d3776a9e417c400a83027e3b4
SSDEEP 768:rynNgICOIOlFEm7SuL/AgD52Nat55fnOB:ryNJCIlFguLIgD3nfO
TLSH
T18F235A83AA12D4B2C5DF043830BE7B232F7A5D35C2A694E3EBE31AC5587054B893651B
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
4944	insersek.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\insersek.exe	jaffacakes118_2fc21f4e4f76829a27455244125975be3ddf2cc0588baeff7dc61701cc8f08f3.exe
File created	C:\Windows\SysWOW64\inserse.dll	jaffacakes118_2fc21f4e4f76829a27455244125975be3ddf2cc0588baeff7dc61701cc8f08f3.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
4556	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_2fc21f4e4f76829a27455244125975be3ddf2cc0588baeff7dc61701cc8f08f3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	insersek.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1136 wrote to memory of 4944	1136	jaffacakes118_2fc21f4e4f76829a27455244125975be3ddf2cc0588baeff7dc61701cc8f08f3.exe	90
PID 1136 wrote to memory of 4556	1136	jaffacakes118_2fc21f4e4f76829a27455244125975be3ddf2cc0588baeff7dc61701cc8f08f3.exe	92

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_2fc21f4e4f76829a27455244125975be3ddf2cc0588baeff7dc61701cc8f08f3.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_2fc21f4e4f76829a27455244125975be3ddf2cc0588baeff7dc61701cc8f08f3.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1136
- C:\Windows\SysWOW64\insersek.exe
  C:\Windows\system32\insersek.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4944
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_2fc21f4e4f76829a27455244125975be3ddf2cc0588baeff7dc61701cc8f08f3.exe.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4556

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_2fc21f4e4f76829a27455244125975be3ddf2cc0588baeff7dc61701cc8f08f3.exe.bat

Path C:\Users\Admin\AppData\Local\Temp\jaffacakes118_2fc21f4e4f76829a27455244125975be3ddf2cc0588baeff7dc61701cc8f08f3.exe.bat
Size 274B
SHA256 27eaf2ff6b3b635fadd6b22c64e26be2e83225d8617551e87419752e82f66d7f
MD5 4634d9bb6536cf1a27e17aee42e5ef5d
SHA1 6329d5b8ef01e10fc6bd2e4c87034104866eb396
SHA512 4fba17f1c72fbc03eab463cbbd9125f7675132b03e2209e295e4baedc8cfa4f91574fd2a9bb4bc62ef26d3a5869c59b288e78407936a5c6dc8c63923fdaa5191
TLSH
T1A0D0C28583238EAB0C90E62B49B93BCF823159953ACC3B00337085E401E291FF1C6A44
MD5 SHA1 SHA512 TLSH

Submit Download

insersek.exe

Path C:\Windows\SysWOW64\insersek.exe
Size 48KB
SHA256 2fc21f4e4f76829a27455244125975be3ddf2cc0588baeff7dc61701cc8f08f3
MD5 8448602cb535fc423dd61dc3e8490a50
SHA1 19e6980466e17be52d1649429f8d6f8ebb6d0d98
SHA512 9f62b45b611d25dcc456e9ff56458c17cab735916cc6a17c28bd291f595837db37e70b3fb89e8ce94fcd19538efd3bc8c8f81d0d3776a9e417c400a83027e3b4
SSDEEP 768:rynNgICOIOlFEm7SuL/AgD52Nat55fnOB:ryNJCIlFguLIgD3nfO
TLSH
T18F235A83AA12D4B2C5DF043830BE7B232F7A5D35C2A694E3EBE31AC5587054B893651B
MD5 SHA1 SHA512 SSDEEP TLSH