dridex | 3858b1d27b9021f3918feeb5020c1eedc611810eb0621fe34666556f6446c6bf

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 23:56

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General

Target

JaffaCakes118_3858b1d27b9021f3918feeb5020c1eedc611810eb0621fe34666556f6446c6bf.dll
Size

188KB
MD5

ad36740ddb34d998f865c6d476760344
SHA1

6ec7ef0372a5f5f7e82da3d669208d3fc3da86de
SHA256

3858b1d27b9021f3918feeb5020c1eedc611810eb0621fe34666556f6446c6bf
SHA512

b02f88241c7e7ab6dc2da43226fba273b4d20105cf350d76c78e178f7ba5d0232ad9808ce9178722932c1b0ddbc24de1848141029209021945ca0661ef0d63cd
SSDEEP

3072:steMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIz29qM:Qq7fYIHBZkTB6DWruUCOwjt

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 family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/628-1-0x0000000074A20000-0x0000000074A50000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2408	628	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 1940 wrote to memory of 628	1940	rundll32.exe	31
PID 1940 wrote to memory of 628	1940	rundll32.exe	31
PID 1940 wrote to memory of 628	1940	rundll32.exe	31
PID 1940 wrote to memory of 628	1940	rundll32.exe	31
PID 1940 wrote to memory of 628	1940	rundll32.exe	31
PID 1940 wrote to memory of 628	1940	rundll32.exe	31
PID 1940 wrote to memory of 628	1940	rundll32.exe	31
PID 628 wrote to memory of 2408	628	rundll32.exe	32
PID 628 wrote to memory of 2408	628	rundll32.exe	32
PID 628 wrote to memory of 2408	628	rundll32.exe	32
PID 628 wrote to memory of 2408	628	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3858b1d27b9021f3918feeb5020c1eedc611810eb0621fe34666556f6446c6bf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3858b1d27b9021f3918feeb5020c1eedc611810eb0621fe34666556f6446c6bf.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:628
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 300
    3⤵
    - Program crash
    PID:2408

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/628-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/628-1-0x0000000074A20000-0x0000000074A50000-memory.dmp

Filesize
192KB

Download
memory/628-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

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