62c3b3a7302faf253857d6d60d25196ed6756c2e5bb02a1dc5c9f4e8ae5d7a32

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
13/08/2024, 21:53

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General

Target

94e19ec40639ccc8a849a87e111a3751_JaffaCakes118.dll
Size

12KB
MD5

94e19ec40639ccc8a849a87e111a3751
SHA1

fc99231f6957e09fdd3f9409be149c241b3725ba
SHA256

62c3b3a7302faf253857d6d60d25196ed6756c2e5bb02a1dc5c9f4e8ae5d7a32
SHA512

10faac61f944cf11199c226b45e05140ebcb4de8255f7f10262152abb231ef923edf1ca9e26778f75e7e073f50aaf4c554b1a615114859cdd363ef59a92e9531
SSDEEP

384:2lGSROfRxpRSmNbeZKeB+22+aNJawcudoD7Ucbo:2lARxp0lWnbcuyD7Ucbo

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
behavioral1/memory/2348-0-0x0000000010000000-0x000000001000B000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2976	2348	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 2324 wrote to memory of 2348	2324	rundll32.exe	31
PID 2324 wrote to memory of 2348	2324	rundll32.exe	31
PID 2324 wrote to memory of 2348	2324	rundll32.exe	31
PID 2324 wrote to memory of 2348	2324	rundll32.exe	31
PID 2324 wrote to memory of 2348	2324	rundll32.exe	31
PID 2324 wrote to memory of 2348	2324	rundll32.exe	31
PID 2324 wrote to memory of 2348	2324	rundll32.exe	31
PID 2348 wrote to memory of 2976	2348	rundll32.exe	32
PID 2348 wrote to memory of 2976	2348	rundll32.exe	32
PID 2348 wrote to memory of 2976	2348	rundll32.exe	32
PID 2348 wrote to memory of 2976	2348	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\94e19ec40639ccc8a849a87e111a3751_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\94e19ec40639ccc8a849a87e111a3751_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 244
    3⤵
    - Program crash
    PID:2976

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/2348-0-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

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