dridex | 33eb7a917cf68a6ceaacc00e9402c40c9e125c13c70329c3817b9a6b006ec95c

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 05:44

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General

Target

JaffaCakes118_33eb7a917cf68a6ceaacc00e9402c40c9e125c13c70329c3817b9a6b006ec95c.dll
Size

184KB
MD5

82db5f1a9b1c270b90bd67a840e88a83
SHA1

b6bf386489a63416c2ad099528117770a147671c
SHA256

33eb7a917cf68a6ceaacc00e9402c40c9e125c13c70329c3817b9a6b006ec95c
SHA512

b419c23a9694c68a1a8d364ad303c55fc2748f89ea14fb7f417697f89590f3a5c6b56b7770bc4f2483c6a0605bdac5236ec00fffc490543f66562b3e0523f31a
SSDEEP

3072:viLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eao4lzoxss7:viLVCIT4WK2z1W+CUHZj4Skq/eaomoC

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/1980-0-0x00000000754B0000-0x00000000754DF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2152	1980	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 2524 wrote to memory of 1980	2524	rundll32.exe	30
PID 2524 wrote to memory of 1980	2524	rundll32.exe	30
PID 2524 wrote to memory of 1980	2524	rundll32.exe	30
PID 2524 wrote to memory of 1980	2524	rundll32.exe	30
PID 2524 wrote to memory of 1980	2524	rundll32.exe	30
PID 2524 wrote to memory of 1980	2524	rundll32.exe	30
PID 2524 wrote to memory of 1980	2524	rundll32.exe	30
PID 1980 wrote to memory of 2152	1980	rundll32.exe	32
PID 1980 wrote to memory of 2152	1980	rundll32.exe	32
PID 1980 wrote to memory of 2152	1980	rundll32.exe	32
PID 1980 wrote to memory of 2152	1980	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_33eb7a917cf68a6ceaacc00e9402c40c9e125c13c70329c3817b9a6b006ec95c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_33eb7a917cf68a6ceaacc00e9402c40c9e125c13c70329c3817b9a6b006ec95c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1980
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 220
    3⤵
    - Program crash
    PID:2152

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/1980-0-0x00000000754B0000-0x00000000754DF000-memory.dmp

Filesize
188KB

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memory/1980-2-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

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