4846a9411ecb32ff511fbcabddc9114bd05f00566d4831db057da95afd16ee53

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/10/2024, 02:17

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General

Target

15c59fd06dd14e231b0b0b71e22ab030_JaffaCakes118.exe
Size

505KB
MD5

15c59fd06dd14e231b0b0b71e22ab030
SHA1

017eedab69d5c63126c14af586bb20f1cc6aa62e
SHA256

4846a9411ecb32ff511fbcabddc9114bd05f00566d4831db057da95afd16ee53
SHA512

2fce1a4634a95dcc665b87738475e70ed8afb8c2b236b269ec009c0a448fda99c78fcbcbd5335e1ed12f5bff2d44a99b66af92d8d8d067fd989470190cdcb1c1
SSDEEP

12288:Iu3URWtsYf8PemjE8h0UxH9ND6fvhMrf1seW2/agR:IkQe8PemjTh0Ul/8vh+qUR

Score

8^/10

discovery 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
2708	uhtmzji.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\mwcbflb.dll	uhtmzji.exe
File created	C:\PROGRA~3\Mozilla\uhtmzji.exe	15c59fd06dd14e231b0b0b71e22ab030_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	15c59fd06dd14e231b0b0b71e22ab030_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uhtmzji.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2932	15c59fd06dd14e231b0b0b71e22ab030_JaffaCakes118.exe
2708	uhtmzji.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2708	2308	taskeng.exe	31
PID 2308 wrote to memory of 2708	2308	taskeng.exe	31
PID 2308 wrote to memory of 2708	2308	taskeng.exe	31
PID 2308 wrote to memory of 2708	2308	taskeng.exe	31

C:\Users\Admin\AppData\Local\Temp\15c59fd06dd14e231b0b0b71e22ab030_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\15c59fd06dd14e231b0b0b71e22ab030_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
PID:2932

C:\Windows\system32\taskeng.exe
taskeng.exe {90A6B9A6-756F-4268-94F8-B136DE696B60} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2308
- C:\PROGRA~3\Mozilla\uhtmzji.exe
  C:\PROGRA~3\Mozilla\uhtmzji.exe -fbfzjgk
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

C:\PROGRA~3\Mozilla\uhtmzji.exe

Filesize
505KB

MD5
c71c387163d80081360af61d0491fe27

SHA1
b328071f5f4765af43bcc77580328ef1de9fe94d

SHA256
9b68a1e5c20c21e53952aa98fd12e0be8b9235846a46dc7ffc24bb17bbce8302

SHA512
5d544d722c00cd096bdd4f2ce89a846c24713b59b167e40c033b12afb53594aaa01e0abe20551b2b2a52d712dabb4d0a45b75edda8d3d96bfe369f1c1bc17f7e

Download Submit
memory/2708-6-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2708-7-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2708-9-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2932-1-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2932-0-0x0000000000250000-0x00000000002AB000-memory.dmp

Filesize
364KB

Download
memory/2932-3-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download