a2b58697af631c6a64e5c7fca174e36fd8c5a8a74a00d34fd950f52b44d91a75

Analysis

max time kernel
141s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
21/08/2024, 23:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b57e417440006f0325548bd554011e7d_JaffaCakes118.dll
Size

70KB
MD5

b57e417440006f0325548bd554011e7d
SHA1

17c84f9df28ac6cbad38c718b38ec994a94c6bdf
SHA256

a2b58697af631c6a64e5c7fca174e36fd8c5a8a74a00d34fd950f52b44d91a75
SHA512

d155005af38c99fb6bf8442091c8400cd8d29bbd8cc445c0c8b1a0ddce662acbd8286d93b3d186e8233c19352c2c553e9eceee010abc9710a15476b7489dd199
SSDEEP

1536:PXLwtq0c49MKioFjSz1UFLE/dW5MMbKl89h9LMTlp/8zWqlLqw7t1FVSr77GnouW:PXLwt/FiaU1Uq/dWFbNr8azD7VS372oN

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
behavioral1/memory/2032-2-0x0000000001CB0000-0x0000000001CE6000-memory.dmp	upx
behavioral1/memory/2032-0-0x0000000001CF0000-0x0000000001D26000-memory.dmp	upx
behavioral1/memory/2032-5-0x0000000001CB0000-0x0000000001CE6000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2612	2032	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	regsvr32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 2032	1880	regsvr32.exe	31
PID 1880 wrote to memory of 2032	1880	regsvr32.exe	31
PID 1880 wrote to memory of 2032	1880	regsvr32.exe	31
PID 1880 wrote to memory of 2032	1880	regsvr32.exe	31
PID 1880 wrote to memory of 2032	1880	regsvr32.exe	31
PID 1880 wrote to memory of 2032	1880	regsvr32.exe	31
PID 1880 wrote to memory of 2032	1880	regsvr32.exe	31
PID 2032 wrote to memory of 2612	2032	regsvr32.exe	32
PID 2032 wrote to memory of 2612	2032	regsvr32.exe	32
PID 2032 wrote to memory of 2612	2032	regsvr32.exe	32
PID 2032 wrote to memory of 2612	2032	regsvr32.exe	32

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b57e417440006f0325548bd554011e7d_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\b57e417440006f0325548bd554011e7d_JaffaCakes118.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 320
    3⤵
    - Program crash
    PID:2612

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/2032-2-0x0000000001CB0000-0x0000000001CE6000-memory.dmp

Filesize
216KB

Download
memory/2032-0-0x0000000001CF0000-0x0000000001D26000-memory.dmp

Filesize
216KB

Download
memory/2032-5-0x0000000001CB0000-0x0000000001CE6000-memory.dmp

Filesize
216KB

Download
memory/2032-4-0x0000000002260000-0x0000000002370000-memory.dmp

Filesize
1.1MB

Download