b233b16da7d28e8b611c00e799c4fe6513c6b9658b492ff334af78fb40604124

Analysis

max time kernel
132s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-08-2024 18:05

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General

Target

b47b4d354451de40bd3e1af90e3cea3a_JaffaCakes118.dll
Size

211KB
MD5

b47b4d354451de40bd3e1af90e3cea3a
SHA1

daaefaeb2406097b9c5c8370086a97c786cd263a
SHA256

b233b16da7d28e8b611c00e799c4fe6513c6b9658b492ff334af78fb40604124
SHA512

b3bfc70320f61fe6a878ca0ab441ef7671d0405e021b4e5d16b14514b0403e9a54388b7fc551fefcf91ab183a0ea686481756cfca09dcd07cda1dc5feeba33ce
SSDEEP

6144:5+30fTfVKbk4XzgUUwvbIBcSRZOnniqwCdkEh54:5Tcbk4DxvMqAkS/E

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4088-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4444	4088	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4360 wrote to memory of 4088	4360	rundll32.exe	86
PID 4360 wrote to memory of 4088	4360	rundll32.exe	86
PID 4360 wrote to memory of 4088	4360	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b47b4d354451de40bd3e1af90e3cea3a_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4360
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b47b4d354451de40bd3e1af90e3cea3a_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4088
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4088 -s 568
    3⤵
    - Program crash
    PID:4444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4088 -ip 4088
1⤵
PID:1260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

memory/4088-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4088-1-0x0000000000E90000-0x0000000000EA5000-memory.dmp

Filesize
84KB

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