39164ad2ffb29451ba6e3f97206a46fddf942876fa8085f326d1daabd7f67e12

Analysis

max time kernel
150s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 08:19

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General

Target

baf9c0a056f7ffa4af2e6f473b6e86a1_JaffaCakes118.exe
Size

11KB
MD5

baf9c0a056f7ffa4af2e6f473b6e86a1
SHA1

b9877d5c7cc4261b4542e7c00d0caa92ff37c618
SHA256

39164ad2ffb29451ba6e3f97206a46fddf942876fa8085f326d1daabd7f67e12
SHA512

d1be7026785efdcdc764a49b751ef5ab3f3c1ffcc0efbb4d1b119d4f5d88e044fded808af24221703c54e1bbe49c7437d5d4e4480474f1f83e57bbd086e30c60
SSDEEP

192:RyFqv0hZ9juHQJ41DIBFLe/DKuXqT/WCBc8DCz4rUocRhrZeIyASN4cKBUOwzc+:Ics5/J41DkleGukWCBc8DdrKroeGOwA+

Score

8^/10

discovery persistence privilege_escalation upx

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
1412	comboausk.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2284-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x0002000000022d12-3.dat	upx
behavioral2/memory/2284-8-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/1412-10-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/1412-15-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\comboausk.exe	baf9c0a056f7ffa4af2e6f473b6e86a1_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\comboaus.dll	baf9c0a056f7ffa4af2e6f473b6e86a1_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\comboausk.exe	baf9c0a056f7ffa4af2e6f473b6e86a1_JaffaCakes118.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	baf9c0a056f7ffa4af2e6f473b6e86a1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	comboausk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2284	baf9c0a056f7ffa4af2e6f473b6e86a1_JaffaCakes118.exe
2284	baf9c0a056f7ffa4af2e6f473b6e86a1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 1412	2284	baf9c0a056f7ffa4af2e6f473b6e86a1_JaffaCakes118.exe	92
PID 2284 wrote to memory of 1412	2284	baf9c0a056f7ffa4af2e6f473b6e86a1_JaffaCakes118.exe	92
PID 2284 wrote to memory of 1412	2284	baf9c0a056f7ffa4af2e6f473b6e86a1_JaffaCakes118.exe	92
PID 2284 wrote to memory of 4264	2284	baf9c0a056f7ffa4af2e6f473b6e86a1_JaffaCakes118.exe	94
PID 2284 wrote to memory of 4264	2284	baf9c0a056f7ffa4af2e6f473b6e86a1_JaffaCakes118.exe	94
PID 2284 wrote to memory of 4264	2284	baf9c0a056f7ffa4af2e6f473b6e86a1_JaffaCakes118.exe	94

C:\Users\Admin\AppData\Local\Temp\baf9c0a056f7ffa4af2e6f473b6e86a1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\baf9c0a056f7ffa4af2e6f473b6e86a1_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Windows\SysWOW64\comboausk.exe
  C:\Windows\system32\comboausk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1412
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\baf9c0a056f7ffa4af2e6f473b6e86a1_JaffaCakes118.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4264

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\baf9c0a056f7ffa4af2e6f473b6e86a1_JaffaCakes118.exe.bat

Filesize
210B

MD5
80d1279c415507489ef705c7565463b1

SHA1
f4da326529eefcdba7b4ea46a0c376bdc3f5a6bd

SHA256
b7c8ea03fcbf8e75cd15280b126cc8bfa1008c9e3f3609fcb355d9e8f44fce6a

SHA512
faa5867a5d980f623e98b5fb89a4002ea0a25201dbe77071253465d2d5e851f266f1e9bb0011e80dec1e3449477b95db543ca33f6caf009b7631c7393c57a7cb

Download Submit
C:\Windows\SysWOW64\comboausk.exe

Filesize
11KB

MD5
baf9c0a056f7ffa4af2e6f473b6e86a1

SHA1
b9877d5c7cc4261b4542e7c00d0caa92ff37c618

SHA256
39164ad2ffb29451ba6e3f97206a46fddf942876fa8085f326d1daabd7f67e12

SHA512
d1be7026785efdcdc764a49b751ef5ab3f3c1ffcc0efbb4d1b119d4f5d88e044fded808af24221703c54e1bbe49c7437d5d4e4480474f1f83e57bbd086e30c60

Download Submit
memory/1412-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1412-15-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2284-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2284-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download