dridex | 4a446bf5437621aa39e61045fee90d0e0b2d60fff4f9d4af2245d5603d6f10c0

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 01:18

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General

Target

JaffaCakes118_4a446bf5437621aa39e61045fee90d0e0b2d60fff4f9d4af2245d5603d6f10c0.dll
Size

184KB
MD5

9f851b892a3d5c7d994740f6d1c227ad
SHA1

074b3090d7013f3c30c24910d1137dbe6baeea50
SHA256

4a446bf5437621aa39e61045fee90d0e0b2d60fff4f9d4af2245d5603d6f10c0
SHA512

3207715f405fadd0f5435b7d92a6f725105056e8e0f5492a1511c44b2cb403d182d112266e1948a8d6484c3a23cd941500918eb87050043ce5d50bc15c0cd3b2
SSDEEP

3072:KiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoFlzoxss7:KiLVCIT4WK2z1W+CUHZj4Skq/eaoLoC

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
behavioral1/memory/2128-1-0x0000000074660000-0x000000007468F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2912	2128	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 764 wrote to memory of 2128	764	rundll32.exe	30
PID 764 wrote to memory of 2128	764	rundll32.exe	30
PID 764 wrote to memory of 2128	764	rundll32.exe	30
PID 764 wrote to memory of 2128	764	rundll32.exe	30
PID 764 wrote to memory of 2128	764	rundll32.exe	30
PID 764 wrote to memory of 2128	764	rundll32.exe	30
PID 764 wrote to memory of 2128	764	rundll32.exe	30
PID 2128 wrote to memory of 2912	2128	rundll32.exe	32
PID 2128 wrote to memory of 2912	2128	rundll32.exe	32
PID 2128 wrote to memory of 2912	2128	rundll32.exe	32
PID 2128 wrote to memory of 2912	2128	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a446bf5437621aa39e61045fee90d0e0b2d60fff4f9d4af2245d5603d6f10c0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:764
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a446bf5437621aa39e61045fee90d0e0b2d60fff4f9d4af2245d5603d6f10c0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 220
    3⤵
    - Program crash
    PID:2912

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/2128-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2128-1-0x0000000074660000-0x000000007468F000-memory.dmp

Filesize
188KB

Download
memory/2128-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download