49ae9a61ab0cec90a915b6dffe26af2af2f11146e15f0ddb7875b3f1a8a346ff

Analysis

max time kernel
141s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-09-2024 14:52

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General

Target

d230ac4b97d8812a96886e25382f07ac_JaffaCakes118.dll
Size

170KB
MD5

d230ac4b97d8812a96886e25382f07ac
SHA1

e0241b1e121b0e61adc8596a6e6229b92342fb69
SHA256

49ae9a61ab0cec90a915b6dffe26af2af2f11146e15f0ddb7875b3f1a8a346ff
SHA512

333c9d27ea05f7670691f8809a32885195fd5c9b25cdcabcda10c05a420aec01c1413f9bb2d24189edadc0d4e3353e843b50ff4aa7a8a8e2f278c537872861bd
SSDEEP

3072:R/NutHtKnddgOAGJq0MsNOAMmTWkOAYYO36ENbIJ9u9mMuxrMwT05i:R/NktKnddgODXMsNQWWXAYYOKmE9+mM8

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
behavioral1/memory/2784-0-0x0000000010000000-0x0000000010086000-memory.dmp	upx
behavioral1/memory/2784-1-0x0000000010000000-0x0000000010086000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2832	2784	WerFault.exe	31

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 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2672 wrote to memory of 2784	2672	rundll32.exe	31
PID 2784 wrote to memory of 2832	2784	rundll32.exe	32
PID 2784 wrote to memory of 2832	2784	rundll32.exe	32
PID 2784 wrote to memory of 2832	2784	rundll32.exe	32
PID 2784 wrote to memory of 2832	2784	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d230ac4b97d8812a96886e25382f07ac_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d230ac4b97d8812a96886e25382f07ac_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2784 -s 224
    3⤵
    - Program crash
    PID:2832

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/2784-0-0x0000000010000000-0x0000000010086000-memory.dmp

Filesize
536KB

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memory/2784-1-0x0000000010000000-0x0000000010086000-memory.dmp

Filesize
536KB

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