85b9933bd8318e5643da0fe1f27a802e3ea46358641341a85a4bef39e22843f9

Analysis

max time kernel
143s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/08/2024, 01:51

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General

Target

a91c0b1a63856e419d1f899ab20e3015_JaffaCakes118.exe
Size

700KB
MD5

a91c0b1a63856e419d1f899ab20e3015
SHA1

d5461efec07edf1f33c9f0b40060a11d057243f1
SHA256

85b9933bd8318e5643da0fe1f27a802e3ea46358641341a85a4bef39e22843f9
SHA512

505682c930d25e39c66b09ea97a5bfa7c3bf77397885b82027515ecd5a718dfe6f74b37afb2b58143636a752b2d73565f4cc128f1ff8de06d8d7867048dbe3c5
SSDEEP

12288:/mgnpb1tiMrdNtfbtGcC93jhX35oV3cAJzpDqF3Z4mxx1DqVTVOCN:OUb1tiMrdHgcK3jhXpw3RtWQmXEVTzN

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4484	10.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\\\""	a91c0b1a63856e419d1f899ab20e3015_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process
4376	4484	WerFault.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	a91c0b1a63856e419d1f899ab20e3015_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	10.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4408 wrote to memory of 4484	4408	a91c0b1a63856e419d1f899ab20e3015_JaffaCakes118.exe	84
PID 4408 wrote to memory of 4484	4408	a91c0b1a63856e419d1f899ab20e3015_JaffaCakes118.exe	84
PID 4408 wrote to memory of 4484	4408	a91c0b1a63856e419d1f899ab20e3015_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\a91c0b1a63856e419d1f899ab20e3015_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a91c0b1a63856e419d1f899ab20e3015_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4408
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\10.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\10.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4484
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4484 -s 224
    3⤵
    - Program crash
    PID:4376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4484 -ip 4484
1⤵
PID:3528

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\10.exe

Filesize
328KB

MD5
082cec8162f276f92c476b8130e828f5

SHA1
e909b3bc0cff6c6ec12aa0574f33c230ddabaa14

SHA256
61c1425b4b72391ebac0654a826cb3387fcd09694040963f34264559c2dca9fd

SHA512
a2f6f7c7d285d2f91728e66373b7ff8a6f16515388b33f6119298732ff0c88a1df16f7983ee8975fdd68ebab5291f63c82370454e98ce9c2dd15c853adde17bc

Download Submit
memory/4408-18-0x0000000001000000-0x00000000010C0000-memory.dmp

Filesize
768KB

Download
memory/4408-12-0x0000000001000000-0x00000000010C0000-memory.dmp

Filesize
768KB

Download
memory/4408-2-0x0000000001000000-0x00000000010C0000-memory.dmp

Filesize
768KB

Download
memory/4408-11-0x0000000001000000-0x00000000010C0000-memory.dmp

Filesize
768KB

Download
memory/4408-0-0x0000000001000000-0x00000000010C0000-memory.dmp

Filesize
768KB

Download
memory/4408-10-0x0000000001000000-0x00000000010C0000-memory.dmp

Filesize
768KB

Download
memory/4408-7-0x0000000001000000-0x00000000010C0000-memory.dmp

Filesize
768KB

Download
memory/4408-6-0x0000000001000000-0x00000000010C0000-memory.dmp

Filesize
768KB

Download
memory/4408-5-0x0000000001000000-0x00000000010C0000-memory.dmp

Filesize
768KB

Download
memory/4408-3-0x0000000001000000-0x00000000010C0000-memory.dmp

Filesize
768KB

Download
memory/4408-4-0x0000000001000000-0x00000000010C0000-memory.dmp

Filesize
768KB

Download
memory/4408-1-0x0000000001067000-0x0000000001068000-memory.dmp

Filesize
4KB

Download
memory/4484-16-0x0000000001000000-0x00000000010EB000-memory.dmp

Filesize
940KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads