77a3590e6893e5c33c774536c6e52fcb5e991a85203d28b1e4de13b293e06af8

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18-10-2024 05:43

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General

Target

55c49be0b9cefc9479bd35948e541037_JaffaCakes118.dll
Size

173KB
MD5

55c49be0b9cefc9479bd35948e541037
SHA1

aec70176f1fab43b579ff203c4724f4942c49741
SHA256

77a3590e6893e5c33c774536c6e52fcb5e991a85203d28b1e4de13b293e06af8
SHA512

ca516821c677d05ca933cd9071443a373a62227352b4e3b56614af780ee2543b3513fc0d799bc0fb817ed77f4e47e6b482ef998bba684a91e93da393a26df830
SSDEEP

3072:dRqb3b/pbMHjMIjDTOBR5BWw2tfhdh4z6P8dUo+bfdQIaoPAyt:dRqKHjzzOB/BT2tf5Awbf21H

Score

5^/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/2716-1-0x0000000010000000-0x0000000010086000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2804	2716	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 2684 wrote to memory of 2716	2684	rundll32.exe	30
PID 2684 wrote to memory of 2716	2684	rundll32.exe	30
PID 2684 wrote to memory of 2716	2684	rundll32.exe	30
PID 2684 wrote to memory of 2716	2684	rundll32.exe	30
PID 2684 wrote to memory of 2716	2684	rundll32.exe	30
PID 2684 wrote to memory of 2716	2684	rundll32.exe	30
PID 2684 wrote to memory of 2716	2684	rundll32.exe	30
PID 2716 wrote to memory of 2804	2716	rundll32.exe	31
PID 2716 wrote to memory of 2804	2716	rundll32.exe	31
PID 2716 wrote to memory of 2804	2716	rundll32.exe	31
PID 2716 wrote to memory of 2804	2716	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\55c49be0b9cefc9479bd35948e541037_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\55c49be0b9cefc9479bd35948e541037_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2716 -s 224
    3⤵
    - Program crash
    PID:2804

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/2716-0-0x0000000010000000-0x0000000010086000-memory.dmp

Filesize
536KB

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memory/2716-1-0x0000000010000000-0x0000000010086000-memory.dmp

Filesize
536KB

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