34550a9b2b475bc3416739e568fb27a52d4cd89683cdb0c0dc58daf8130187ca

Analysis

max time kernel
94s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/10/2024, 11:17

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General

Target

17dcbf87e8c30b3e3150d2296d722bdf_JaffaCakes118.dll
Size

76KB
MD5

17dcbf87e8c30b3e3150d2296d722bdf
SHA1

8771513a4ca999dee5eb7284d455a9e1339ad683
SHA256

34550a9b2b475bc3416739e568fb27a52d4cd89683cdb0c0dc58daf8130187ca
SHA512

620738efd157727c586c9a534f9d7dace52cb467dd35ec1916d1afd161c144684a64ad90b235ab6972e6ea434510c43125c32df75240f9e9c6f9ecff7919714f
SSDEEP

1536:JLwmzkn+mBg+r5GgLdEkK9fNEjP0UcEtKCQV4i6NoVuT:h8g+t5LdEkKl80gKR+iMB

Score

5^/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/1048-0-0x0000000010000000-0x0000000010034000-memory.dmp	upx
behavioral2/memory/1048-1-0x0000000010000000-0x0000000010034000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1032	1048	WerFault.exe	82

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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1048	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4304 wrote to memory of 1048	4304	rundll32.exe	82
PID 4304 wrote to memory of 1048	4304	rundll32.exe	82
PID 4304 wrote to memory of 1048	4304	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\17dcbf87e8c30b3e3150d2296d722bdf_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4304
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\17dcbf87e8c30b3e3150d2296d722bdf_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1048
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 676
    3⤵
    - Program crash
    PID:1032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1048 -ip 1048
1⤵
PID:2380

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/1048-0-0x0000000010000000-0x0000000010034000-memory.dmp

Filesize
208KB

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memory/1048-1-0x0000000010000000-0x0000000010034000-memory.dmp

Filesize
208KB

Download