dridex | b5d4d159a50723576fb79516991ae63ff27779e29f4fd044ed98b8efe1d45275

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 14:02

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General

Target

JaffaCakes118_b5d4d159a50723576fb79516991ae63ff27779e29f4fd044ed98b8efe1d45275.dll
Size

161KB
MD5

d3cc1e757a36d1d101001e5f2d5e9428
SHA1

e9715f5d04851d1118a28e25deb4466cb0771bb2
SHA256

b5d4d159a50723576fb79516991ae63ff27779e29f4fd044ed98b8efe1d45275
SHA512

44111b7857af2830c1f0914fe9dc7f5b56d678d1aedf14ab69d1811c237bd636cd3e19a8572f3fbe9c9a863cb97149cd4da6fc383edfd046a4ee0977d176b677
SSDEEP

3072:eK4Dcp/qdOUKcT1GpvO0nygcp0DvA/fxHbeXaUDwOvHvWM:UDBdOlG0nyg1DvwxgZ/v

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

45.55.134.126:443

67.207.83.96:8172

193.160.214.95:4125

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Dridex family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1752-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2500	1752	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 1852 wrote to memory of 1752	1852	rundll32.exe	31
PID 1852 wrote to memory of 1752	1852	rundll32.exe	31
PID 1852 wrote to memory of 1752	1852	rundll32.exe	31
PID 1852 wrote to memory of 1752	1852	rundll32.exe	31
PID 1852 wrote to memory of 1752	1852	rundll32.exe	31
PID 1852 wrote to memory of 1752	1852	rundll32.exe	31
PID 1852 wrote to memory of 1752	1852	rundll32.exe	31
PID 1752 wrote to memory of 2500	1752	rundll32.exe	32
PID 1752 wrote to memory of 2500	1752	rundll32.exe	32
PID 1752 wrote to memory of 2500	1752	rundll32.exe	32
PID 1752 wrote to memory of 2500	1752	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b5d4d159a50723576fb79516991ae63ff27779e29f4fd044ed98b8efe1d45275.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b5d4d159a50723576fb79516991ae63ff27779e29f4fd044ed98b8efe1d45275.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1752
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1752 -s 256
    3⤵
    - Program crash
    PID:2500

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/1752-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1752-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1752-3-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download