dridex | ec6d20d3997c589d1c925be2d0c310b0aa586af2f1b7753da8713d6bc4b05039

Analysis

max time kernel
110s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-09-2024 17:56

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General

Target

ac8d7974366e0f13df92b68b79b995c0N.dll
Size

188KB
MD5

ac8d7974366e0f13df92b68b79b995c0
SHA1

18b904ebd0a0aa7c957a28604583c457185a4e6b
SHA256

ec6d20d3997c589d1c925be2d0c310b0aa586af2f1b7753da8713d6bc4b05039
SHA512

80e9ed94bb2796c1063937f270090dcc2fd79efa94aa7069805a263a0ce05e6035f3b0c1b487ba892b8fdcd2719df2361252c269992591b9851c1dcc83beaadd
SSDEEP

3072:BteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzQ9qM:Nq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/264-0-0x00000000753B0000-0x00000000753E0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1876	264	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 2132 wrote to memory of 264	2132	rundll32.exe	31
PID 2132 wrote to memory of 264	2132	rundll32.exe	31
PID 2132 wrote to memory of 264	2132	rundll32.exe	31
PID 2132 wrote to memory of 264	2132	rundll32.exe	31
PID 2132 wrote to memory of 264	2132	rundll32.exe	31
PID 2132 wrote to memory of 264	2132	rundll32.exe	31
PID 2132 wrote to memory of 264	2132	rundll32.exe	31
PID 264 wrote to memory of 1876	264	rundll32.exe	32
PID 264 wrote to memory of 1876	264	rundll32.exe	32
PID 264 wrote to memory of 1876	264	rundll32.exe	32
PID 264 wrote to memory of 1876	264	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac8d7974366e0f13df92b68b79b995c0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac8d7974366e0f13df92b68b79b995c0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:264
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 264 -s 300
    3⤵
    - Program crash
    PID:1876

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/264-0-0x00000000753B0000-0x00000000753E0000-memory.dmp

Filesize
192KB

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memory/264-2-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

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