dridex | 7aac22a9f64815b4f2a28d34c12f926b3f0024f536e03c3193593396720e5a75

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 23:22

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General

Target

JaffaCakes118_7aac22a9f64815b4f2a28d34c12f926b3f0024f536e03c3193593396720e5a75.dll
Size

184KB
MD5

ff46d38e5e7b1e2ecd1efebc4196d087
SHA1

ae17de0195c070ca5179fc68867f8ddca840185f
SHA256

7aac22a9f64815b4f2a28d34c12f926b3f0024f536e03c3193593396720e5a75
SHA512

192879e371beae61de8c41a46a195f1411f715572c9c185ccda90a95530ee46939540202687c83c371c98cfe63b2b2062cf9a335e58bb8bd2093866241b2c2b9
SSDEEP

3072:aJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JNa//2uFrSc:7fYOX+wTScR/Xzku9LVwKuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2772-1-0x00000000747B0000-0x00000000747DF000-memory.dmp	dridex_ldr
behavioral1/memory/2772-2-0x00000000747B0000-0x00000000747DF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2804	2772	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 1064 wrote to memory of 2772	1064	rundll32.exe	30
PID 1064 wrote to memory of 2772	1064	rundll32.exe	30
PID 1064 wrote to memory of 2772	1064	rundll32.exe	30
PID 1064 wrote to memory of 2772	1064	rundll32.exe	30
PID 1064 wrote to memory of 2772	1064	rundll32.exe	30
PID 1064 wrote to memory of 2772	1064	rundll32.exe	30
PID 1064 wrote to memory of 2772	1064	rundll32.exe	30
PID 2772 wrote to memory of 2804	2772	rundll32.exe	31
PID 2772 wrote to memory of 2804	2772	rundll32.exe	31
PID 2772 wrote to memory of 2804	2772	rundll32.exe	31
PID 2772 wrote to memory of 2804	2772	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7aac22a9f64815b4f2a28d34c12f926b3f0024f536e03c3193593396720e5a75.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7aac22a9f64815b4f2a28d34c12f926b3f0024f536e03c3193593396720e5a75.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2772 -s 224
    3⤵
    - Program crash
    PID:2804

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/2772-0-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2772-1-0x00000000747B0000-0x00000000747DF000-memory.dmp

Filesize
188KB

Download
memory/2772-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2772-2-0x00000000747B0000-0x00000000747DF000-memory.dmp

Filesize
188KB

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