c17ebb62def59ad4dfc2fe7bcdb6dca6f907527130a015f2423e12eabfe79798

Analysis

max time kernel
133s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 00:20

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

b9a26c4c7afd1ce9e4bd14beaaa66346_JaffaCakes118.dll
Size

15KB
MD5

b9a26c4c7afd1ce9e4bd14beaaa66346
SHA1

8fb798a4bfc40fcbdc56f5fbaec7923b9f37bd90
SHA256

c17ebb62def59ad4dfc2fe7bcdb6dca6f907527130a015f2423e12eabfe79798
SHA512

69e88b93c0006618a521e23943a3aff90e16a3a0e6fbb70e69e0ebdad20fc8b714d551275e1a2391045c45b0498df651a34754df42ab4aa784cd025b379c8e2b
SSDEEP

384:HOdslGaSOzx3iBE+oEUl4zShvnmobXG7cGy2j/zn:HJld3iBEzlvnxG7Dyozn

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4544-1-0x0000000010000000-0x000000001000F000-memory.dmp	upx
behavioral2/memory/4544-2-0x0000000010000000-0x000000001000F000-memory.dmp	upx
behavioral2/memory/4544-0-0x0000000010000000-0x000000001000F000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2740	4544	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 behavior: EnumeratesProcesses 2 IoCs

pid	Process
4544	rundll32.exe
4544	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 4544	1760	rundll32.exe	84
PID 1760 wrote to memory of 4544	1760	rundll32.exe	84
PID 1760 wrote to memory of 4544	1760	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9a26c4c7afd1ce9e4bd14beaaa66346_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9a26c4c7afd1ce9e4bd14beaaa66346_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4544
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 580
    3⤵
    - Program crash
    PID:2740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4544 -ip 4544
1⤵
PID:1172

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

Loading Replay Monitor...

Downloads

memory/4544-1-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download
memory/4544-3-0x0000000010001000-0x000000001000B000-memory.dmp

Filesize
40KB

Download
memory/4544-2-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download
memory/4544-0-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download