dridex | 28153796a530cc6e4b152af299324c9408571a20f639de932ec1f776d3f0e5af

Analysis

max time kernel
110s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
14-08-2024 20:18

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General

Target

fdc68ca14a282275fb117e04a9c38a30N.dll
Size

184KB
MD5

fdc68ca14a282275fb117e04a9c38a30
SHA1

dfc6570c55d7cbc7dad22b93ec8f67260d633ea5
SHA256

28153796a530cc6e4b152af299324c9408571a20f639de932ec1f776d3f0e5af
SHA512

7b3e3d2736d7fc75b628f791c6b71109f9cd45c3799c3070b3b20d875bb6e35d659e4d27387bdc45617bc0c38f80538f5b1a2cc5e23845f8de55791aaa999d03
SSDEEP

3072:9W8WgWhVnmr6k/6zsRJLNqTXvMU9tb+/HU6ngmyWx9ixCH0u:48qh+66QsRdNiBW/06ngmyWexC

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2208-0-0x0000000074F60000-0x0000000074F90000-memory.dmp	dridex_ldr
behavioral1/memory/2208-2-0x0000000074F60000-0x0000000074F90000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2964	2208	WerFault.exe	29

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

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 3064 wrote to memory of 2208	3064	rundll32.exe	29
PID 3064 wrote to memory of 2208	3064	rundll32.exe	29
PID 3064 wrote to memory of 2208	3064	rundll32.exe	29
PID 3064 wrote to memory of 2208	3064	rundll32.exe	29
PID 3064 wrote to memory of 2208	3064	rundll32.exe	29
PID 3064 wrote to memory of 2208	3064	rundll32.exe	29
PID 3064 wrote to memory of 2208	3064	rundll32.exe	29
PID 2208 wrote to memory of 2964	2208	rundll32.exe	30
PID 2208 wrote to memory of 2964	2208	rundll32.exe	30
PID 2208 wrote to memory of 2964	2208	rundll32.exe	30
PID 2208 wrote to memory of 2964	2208	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fdc68ca14a282275fb117e04a9c38a30N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fdc68ca14a282275fb117e04a9c38a30N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2208
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2208 -s 220
    3⤵
    - Program crash
    PID:2964

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/2208-0-0x0000000074F60000-0x0000000074F90000-memory.dmp

Filesize
192KB

Download
memory/2208-1-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2208-2-0x0000000074F60000-0x0000000074F90000-memory.dmp

Filesize
192KB

Download