b36d9adf1b7aa954cc0689677e3bbcbd555b6a9cd2fb6495b535c747fc859150

Analysis

max time kernel
148s
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
20/08/2024, 22:25

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General

Target

b1152557ebd22357adb2539aa1ffd687_JaffaCakes118.dll
Size

78KB
MD5

b1152557ebd22357adb2539aa1ffd687
SHA1

51529fd98d965e6a6b2e87cf1b152c7642c89a78
SHA256

b36d9adf1b7aa954cc0689677e3bbcbd555b6a9cd2fb6495b535c747fc859150
SHA512

340fa105774b519fc859783c4456c7a8b6b4fe11dd5ae8a496dd9f6ce33182857c3a3a28f439b831dcae4a355e8bdfa336bec06e4d994de517e1628ca524b3a9
SSDEEP

1536:piOtWdvvwNYwE3MPkAKWINbq4FiRLoe77FqGR01rVGOswlO9IoNk2ZnVtAT:RtWynE3IbKWINbqBqo+VGRwoIo1ZwT

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3380-1-0x0000000000950000-0x0000000000970000-memory.dmp	upx
behavioral2/memory/3380-2-0x0000000000950000-0x0000000000970000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4860	3380	WerFault.exe	84

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	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 3380	2780	regsvr32.exe	84
PID 2780 wrote to memory of 3380	2780	regsvr32.exe	84
PID 2780 wrote to memory of 3380	2780	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b1152557ebd22357adb2539aa1ffd687_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\b1152557ebd22357adb2539aa1ffd687_JaffaCakes118.dll
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 644
    3⤵
    - Program crash
    PID:4860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3380 -ip 3380
1⤵
PID:2280

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/3380-0-0x0000000000910000-0x000000000094E000-memory.dmp

Filesize
248KB

Download
memory/3380-1-0x0000000000950000-0x0000000000970000-memory.dmp

Filesize
128KB

Download
memory/3380-2-0x0000000000950000-0x0000000000970000-memory.dmp

Filesize
128KB

Download