25291979e98b0dbd813664abe9af7360f01dca46f12d023b0a757d637d484d55

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 10:20

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General

Target

3f4b546dd3da31a36f2af8f31cee1e79_JaffaCakes118.dll
Size

315KB
MD5

3f4b546dd3da31a36f2af8f31cee1e79
SHA1

6992a3c857e1abbbb304bc74e24cdc80548358eb
SHA256

25291979e98b0dbd813664abe9af7360f01dca46f12d023b0a757d637d484d55
SHA512

f847239f0d9b52e7fa380554620bec4e1e50e2bc3efe63e0902c6556290e32613846d0cc52a740240d95d8da6258712996b83d2a3ed7e99a3434a8eaa9e34963
SSDEEP

6144:EoUUXDd6DVa4e/ndiR6avkd0AFR0uEeDgUtDGP+JPyVo5E5B:Eo7R6DWvam0AFR0uJxZLPyVo5

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
behavioral1/memory/1060-1-0x0000000000A30000-0x0000000000B7F000-memory.dmp	upx
behavioral1/memory/1060-0-0x0000000000A30000-0x0000000000B7F000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1664	1060	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 1060	2404	rundll32.exe	30
PID 2404 wrote to memory of 1060	2404	rundll32.exe	30
PID 2404 wrote to memory of 1060	2404	rundll32.exe	30
PID 2404 wrote to memory of 1060	2404	rundll32.exe	30
PID 2404 wrote to memory of 1060	2404	rundll32.exe	30
PID 2404 wrote to memory of 1060	2404	rundll32.exe	30
PID 2404 wrote to memory of 1060	2404	rundll32.exe	30
PID 1060 wrote to memory of 1664	1060	rundll32.exe	31
PID 1060 wrote to memory of 1664	1060	rundll32.exe	31
PID 1060 wrote to memory of 1664	1060	rundll32.exe	31
PID 1060 wrote to memory of 1664	1060	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f4b546dd3da31a36f2af8f31cee1e79_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f4b546dd3da31a36f2af8f31cee1e79_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1060
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 260
    3⤵
    - Program crash
    PID:1664

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/1060-1-0x0000000000A30000-0x0000000000B7F000-memory.dmp

Filesize
1.3MB

Download
memory/1060-0-0x0000000000A30000-0x0000000000B7F000-memory.dmp

Filesize
1.3MB

Download