dridex | 4a67ac3ee2579fe02140419e8f1d07d71af2df1e99e63c8ddb6c9c0af9fe5b26

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:22

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General

Target

JaffaCakes118_4a67ac3ee2579fe02140419e8f1d07d71af2df1e99e63c8ddb6c9c0af9fe5b26.dll
Size

163KB
MD5

427f658135ddca364652795a35b4a934
SHA1

b0e2ed4dda16c4a0080267015fe7432358a8526f
SHA256

4a67ac3ee2579fe02140419e8f1d07d71af2df1e99e63c8ddb6c9c0af9fe5b26
SHA512

5baabba43f93d62e1d749fbff078fc1c8f521bf372b1fb2f60880b1c4611f09956845a0e83ce220d272c6f9680fadc76cffcfd6a2ed51fd89209ab53a9c0adb0
SSDEEP

3072:var6Ys6p54kfdo+APr0aYSbeO6aal8jeytFQTOpp2J:Js4p+ADxnSO6D2cOp

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

43.229.206.212:443

82.209.17.209:8172

162.241.209.225:4125

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/2700-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2820	2700	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 2096 wrote to memory of 2700	2096	rundll32.exe	30
PID 2096 wrote to memory of 2700	2096	rundll32.exe	30
PID 2096 wrote to memory of 2700	2096	rundll32.exe	30
PID 2096 wrote to memory of 2700	2096	rundll32.exe	30
PID 2096 wrote to memory of 2700	2096	rundll32.exe	30
PID 2096 wrote to memory of 2700	2096	rundll32.exe	30
PID 2096 wrote to memory of 2700	2096	rundll32.exe	30
PID 2700 wrote to memory of 2820	2700	rundll32.exe	31
PID 2700 wrote to memory of 2820	2700	rundll32.exe	31
PID 2700 wrote to memory of 2820	2700	rundll32.exe	31
PID 2700 wrote to memory of 2820	2700	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a67ac3ee2579fe02140419e8f1d07d71af2df1e99e63c8ddb6c9c0af9fe5b26.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a67ac3ee2579fe02140419e8f1d07d71af2df1e99e63c8ddb6c9c0af9fe5b26.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 236
    3⤵
    - Program crash
    PID:2820

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/2700-2-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

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memory/2700-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

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