dridex | a3425430e21d07459c9d1a53fd72700e824a6c1be78b4d08b9a9ca43309d03db

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 18:16

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General

Target

JaffaCakes118_a3425430e21d07459c9d1a53fd72700e824a6c1be78b4d08b9a9ca43309d03db.dll
Size

166KB
MD5

94ca338378cb676792d5e1e006fc5be8
SHA1

133adecd538fbfe9f4ffc68455b49c4c04c75171
SHA256

a3425430e21d07459c9d1a53fd72700e824a6c1be78b4d08b9a9ca43309d03db
SHA512

1c2aa6af6bcb5b736854038040d27cc19157335bb3a3ee9c8e6129cd9cc1f332e7868083517a997da151fd833af996523ded394b3d146359144d80ac44dc90c7
SSDEEP

3072:9uFbQtsYQcjxanytIp92/l1iPPqs1/whG68DaHrnpDZ+eE:90czbty9uiaJlHE

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

131.100.24.202:443

193.160.214.95:4125

67.43.4.76:8172

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/2448-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2796	2448	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 1700 wrote to memory of 2448	1700	rundll32.exe	30
PID 1700 wrote to memory of 2448	1700	rundll32.exe	30
PID 1700 wrote to memory of 2448	1700	rundll32.exe	30
PID 1700 wrote to memory of 2448	1700	rundll32.exe	30
PID 1700 wrote to memory of 2448	1700	rundll32.exe	30
PID 1700 wrote to memory of 2448	1700	rundll32.exe	30
PID 1700 wrote to memory of 2448	1700	rundll32.exe	30
PID 2448 wrote to memory of 2796	2448	rundll32.exe	31
PID 2448 wrote to memory of 2796	2448	rundll32.exe	31
PID 2448 wrote to memory of 2796	2448	rundll32.exe	31
PID 2448 wrote to memory of 2796	2448	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3425430e21d07459c9d1a53fd72700e824a6c1be78b4d08b9a9ca43309d03db.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3425430e21d07459c9d1a53fd72700e824a6c1be78b4d08b9a9ca43309d03db.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2448
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 256
    3⤵
    - Program crash
    PID:2796

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/2448-0-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2448-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2448-4-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download