dridex | f18f025d83233323192c121b5f15eae358c26f4597e23afbc794846bd280d11c

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 20:34

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General

Target

f18f025d83233323192c121b5f15eae358c26f4597e23afbc794846bd280d11c.dll
Size

180KB
MD5

4dbd09ab8e662fd04f87ff9fc0ec8c67
SHA1

91c7037e07f1e02b9a774f897560223bc7cae6bc
SHA256

f18f025d83233323192c121b5f15eae358c26f4597e23afbc794846bd280d11c
SHA512

fa75e346e588f7cf7c60d9d2efacbed739e57ba337d7eb746e3a7b4ac29c9a5b7dfa678894f3d9e34b2bd620d669f65eb0467608e9fbb50c58d5df1b5ac05404
SSDEEP

3072:qFp0m9FOGDv64TOvqdjR91E404PUW6bKHJZK0Bzb5jeaF:qFp0bG6q7040aBfK0db51

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

212.237.17.99:443

176.28.17.160:6602

51.254.140.238:8333

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

Processes:

resource	yara_rule
behavioral1/memory/1036-1-0x0000000075220000-0x000000007524F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2800 1036 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
2800	1036	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2672 wrote to memory of 1036	2672	rundll32.exe	rundll32.exe
PID 2672 wrote to memory of 1036	2672	rundll32.exe	rundll32.exe
PID 2672 wrote to memory of 1036	2672	rundll32.exe	rundll32.exe
PID 2672 wrote to memory of 1036	2672	rundll32.exe	rundll32.exe
PID 2672 wrote to memory of 1036	2672	rundll32.exe	rundll32.exe
PID 2672 wrote to memory of 1036	2672	rundll32.exe	rundll32.exe
PID 2672 wrote to memory of 1036	2672	rundll32.exe	rundll32.exe
PID 1036 wrote to memory of 2800	1036	rundll32.exe	WerFault.exe
PID 1036 wrote to memory of 2800	1036	rundll32.exe	WerFault.exe
PID 1036 wrote to memory of 2800	1036	rundll32.exe	WerFault.exe
PID 1036 wrote to memory of 2800	1036	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f18f025d83233323192c121b5f15eae358c26f4597e23afbc794846bd280d11c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f18f025d83233323192c121b5f15eae358c26f4597e23afbc794846bd280d11c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1036
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1036 -s 244
    3⤵
    - Program crash
    PID:2800

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/1036-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1036-1-0x0000000075220000-0x000000007524F000-memory.dmp

Filesize
188KB

Download
memory/1036-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download