dridex | 77f43d6f8d7264a388dae4a1761872a818ee46a3cb9dbc793b4a70ecddc03626

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-12-2024 22:57

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General

Target

JaffaCakes118_77f43d6f8d7264a388dae4a1761872a818ee46a3cb9dbc793b4a70ecddc03626.dll
Size

184KB
MD5

0fb7550059440e56e12e5197ffb8c341
SHA1

64092f4b1324d3296584b5dff0a0ba97e19bc020
SHA256

77f43d6f8d7264a388dae4a1761872a818ee46a3cb9dbc793b4a70ecddc03626
SHA512

e4fda08394dfa9a0ea6400620c63d26636e075eb6fc7e9dbae45d3b02c567be301cc4251efe8f34ab33e17807f53c905ccfa69f70be2a0dbe4c3ebcc02365e4c
SSDEEP

3072:siLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoylzoxss7:siLVCIT4WK2z1W+CUHZj4Skq/eao4oC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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
behavioral2/memory/2256-1-0x0000000074FC0000-0x0000000074FEF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
552	2256	WerFault.exe	82

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 3 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 2256	2564	rundll32.exe	82
PID 2564 wrote to memory of 2256	2564	rundll32.exe	82
PID 2564 wrote to memory of 2256	2564	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77f43d6f8d7264a388dae4a1761872a818ee46a3cb9dbc793b4a70ecddc03626.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2564
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77f43d6f8d7264a388dae4a1761872a818ee46a3cb9dbc793b4a70ecddc03626.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2256
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2256 -s 616
    3⤵
    - Program crash
    PID:552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2256 -ip 2256
1⤵
PID:3512

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/2256-0-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/2256-1-0x0000000074FC0000-0x0000000074FEF000-memory.dmp

Filesize
188KB

Download
memory/2256-3-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

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