a3a875372a18e1e91397e6c3e7f5e0ab3dba911c5908188eb9f4de48b40f0416

Analysis

max time kernel
131s
max time network
132s
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, 07:54

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General

Target

b2aa23d6b4adb8f8623cc51498ba5c5d_JaffaCakes118.dll
Size

184KB
MD5

b2aa23d6b4adb8f8623cc51498ba5c5d
SHA1

93c9b95d401213f3d9197a3d8c6398da335b6c96
SHA256

a3a875372a18e1e91397e6c3e7f5e0ab3dba911c5908188eb9f4de48b40f0416
SHA512

630639faa98888d5cd268340a4219e199df2b7d95b9ce37f961ecfa62e6d080900f9680fec2bcb74f4652a686b173537e00b5089f144519c468e185274d911d9
SSDEEP

3072:QILqzszmqBPWnF3wTn/4zxHHA1qi9R2BtzwD6TCaBPQGHHfWB4ulpj4SqJOrcYHG:QLhqB4FgT/4zRg2rzqCFBPR/WBDj4OrF

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/3248-0-0x0000000000DF0000-0x0000000000E39000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2892	3248	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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3204 wrote to memory of 3248	3204	rundll32.exe	84
PID 3204 wrote to memory of 3248	3204	rundll32.exe	84
PID 3204 wrote to memory of 3248	3204	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2aa23d6b4adb8f8623cc51498ba5c5d_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3204
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2aa23d6b4adb8f8623cc51498ba5c5d_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3248
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3248 -s 540
    3⤵
    - Program crash
    PID:2892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3248 -ip 3248
1⤵
PID:208

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

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Downloads

memory/3248-0-0x0000000000DF0000-0x0000000000E39000-memory.dmp

Filesize
292KB

Download
memory/3248-1-0x0000000000830000-0x0000000000845000-memory.dmp

Filesize
84KB

Download
memory/3248-2-0x0000000000DF0000-0x0000000000E39000-memory.dmp

Filesize
292KB

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