dridex | 91d43aa4cf430e660d6c91c41040a419d8d59ea59f60fa2c456cce197840c9ba

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 03:11

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General

Target

JaffaCakes118_91d43aa4cf430e660d6c91c41040a419d8d59ea59f60fa2c456cce197840c9ba.dll
Size

184KB
MD5

c6f0637c8c31b0013489828f5d0c5f36
SHA1

daaa6ab6819cb6fc9bf48b4135575e3e1de367e1
SHA256

91d43aa4cf430e660d6c91c41040a419d8d59ea59f60fa2c456cce197840c9ba
SHA512

c9d6c9981cb9878cd22e2cb9436e6e04025ab3a39e28b29662c094f56559652596433f8cc6611e4dbd1a3af985a5e458c335a9e1912dc70645c7c44d9714d842
SSDEEP

3072:QiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoDlzoxss7:QiLVCIT4WK2z1W+CUHZj4Skq/eaoZoC

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/1944-1-0x00000000752A0000-0x00000000752CF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3052	1944	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 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1944 wrote to memory of 3052	1944	rundll32.exe	31
PID 1944 wrote to memory of 3052	1944	rundll32.exe	31
PID 1944 wrote to memory of 3052	1944	rundll32.exe	31
PID 1944 wrote to memory of 3052	1944	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_91d43aa4cf430e660d6c91c41040a419d8d59ea59f60fa2c456cce197840c9ba.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_91d43aa4cf430e660d6c91c41040a419d8d59ea59f60fa2c456cce197840c9ba.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1944
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 220
    3⤵
    - Program crash
    PID:3052

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/1944-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1944-1-0x00000000752A0000-0x00000000752CF000-memory.dmp

Filesize
188KB

Download
memory/1944-4-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

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