dridex | 85f183baae4b10276ffe81b929613b71cfa95c7dff93d23ee2dc77ed4b7feaf4

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:38

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General

Target

JaffaCakes118_85f183baae4b10276ffe81b929613b71cfa95c7dff93d23ee2dc77ed4b7feaf4.dll
Size

177KB
MD5

959724151ec6d962f6ec8ba4aa3bfee6
SHA1

50545dc35538b277ddf40292a78bc2bd79485613
SHA256

85f183baae4b10276ffe81b929613b71cfa95c7dff93d23ee2dc77ed4b7feaf4
SHA512

3c9572eb0222f6d51dde6f7c621ed4e0e7d2cec1ffbadb5693b85973f4750d5cca0a63d0549fbe9336f2f209e8dee72a1f4f224085b884ddf9f2975322966884
SSDEEP

3072:NuCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJ:RzWxkOP4p2EesvcDi6DOHPJ

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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/2536-1-0x00000000753C0000-0x00000000753F1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2552	2536	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 264 wrote to memory of 2536	264	rundll32.exe	31
PID 264 wrote to memory of 2536	264	rundll32.exe	31
PID 264 wrote to memory of 2536	264	rundll32.exe	31
PID 264 wrote to memory of 2536	264	rundll32.exe	31
PID 264 wrote to memory of 2536	264	rundll32.exe	31
PID 264 wrote to memory of 2536	264	rundll32.exe	31
PID 264 wrote to memory of 2536	264	rundll32.exe	31
PID 2536 wrote to memory of 2552	2536	rundll32.exe	32
PID 2536 wrote to memory of 2552	2536	rundll32.exe	32
PID 2536 wrote to memory of 2552	2536	rundll32.exe	32
PID 2536 wrote to memory of 2552	2536	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85f183baae4b10276ffe81b929613b71cfa95c7dff93d23ee2dc77ed4b7feaf4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:264
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85f183baae4b10276ffe81b929613b71cfa95c7dff93d23ee2dc77ed4b7feaf4.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2536
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 220
    3⤵
    - Program crash
    PID:2552

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/2536-0-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2536-1-0x00000000753C0000-0x00000000753F1000-memory.dmp

Filesize
196KB

Download
memory/2536-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download