4144804a61e31832b6d06340697e7c55bef1abdd0449d292ac37b06bedc50ead

Analysis

max time kernel
140s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10-08-2024 21:41

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General

Target

87c76f0267ba4d8792e56c20ff94e29e_JaffaCakes118.exe
Size

87KB
MD5

87c76f0267ba4d8792e56c20ff94e29e
SHA1

f31cdb05a12a00b6e556a75aaad07fa5593cd95e
SHA256

4144804a61e31832b6d06340697e7c55bef1abdd0449d292ac37b06bedc50ead
SHA512

92fe096eebc1d1250c718927ca66ae2b9ac9897edc08b9bfb1c1d537169d9b3e5f081e42a072dd184aaf81c314bb0380c7e773bb434281d4d49e8fee433bcdde
SSDEEP

1536:NT5GJEhlcbW5sk19lfLvbeIbXWm+nwN6JYExD9qvg2mJJEjtEX:NdGu99lfzqIbXWm+w0JSg2mJOjtEX

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4056	s.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	87c76f0267ba4d8792e56c20ff94e29e_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1188	4056	WerFault.exe	85

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	87c76f0267ba4d8792e56c20ff94e29e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	s.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 4056	1884	87c76f0267ba4d8792e56c20ff94e29e_JaffaCakes118.exe	85
PID 1884 wrote to memory of 4056	1884	87c76f0267ba4d8792e56c20ff94e29e_JaffaCakes118.exe	85
PID 1884 wrote to memory of 4056	1884	87c76f0267ba4d8792e56c20ff94e29e_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\87c76f0267ba4d8792e56c20ff94e29e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\87c76f0267ba4d8792e56c20ff94e29e_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4056
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 564
    3⤵
    - Program crash
    PID:1188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4056 -ip 4056
1⤵
PID:4896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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\IXP000.TMP\s.exe

Filesize
42KB

MD5
6db9bdb35710d6ebc0803a1832de6f31

SHA1
424cedd506abc3026bef21b60093400fc34f426c

SHA256
82999ec44bff9c173bfc67a0996b1cff59cd4b369cbc5976d33eae566446e633

SHA512
d5dcd8a3f9c9468e35a312acf4eb697469b085049e4af99a02c66a83dc9ae9ef088d830f6d78524ba4634bc987c677329accf1d0a3a4e7e3c429115ab272d693

Download Submit
memory/4056-5-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads