dridex | 3713c47a827878c6b2bc8b467aac095b5b3991321ab448b4024c878be2a8ad13

Analysis

max time kernel
115s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-08-2024 09:48

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General

Target

110a7ba7f53a76c83da13c6909e83770N.dll
Size

184KB
MD5

110a7ba7f53a76c83da13c6909e83770
SHA1

3a260708ec5e44cc69974262116be2d1d7cb21d4
SHA256

3713c47a827878c6b2bc8b467aac095b5b3991321ab448b4024c878be2a8ad13
SHA512

d2a067a0c6751a903455632908690320aac5aefe987353e64711e5fc564f0cb2cb90f65bf6f7e6bf094d53f5f1c0c8651a2011b768c797e5a2ea618c45dd3cf8
SSDEEP

3072:igkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdgXdA4l:LPFkq6zOe5ilSanO8d

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/4444-0-0x0000000075450000-0x0000000075480000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
4052	4444	WerFault.exe	91

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 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 4656 wrote to memory of 4444	4656	rundll32.exe	91
PID 4656 wrote to memory of 4444	4656	rundll32.exe	91
PID 4656 wrote to memory of 4444	4656	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\110a7ba7f53a76c83da13c6909e83770N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\110a7ba7f53a76c83da13c6909e83770N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 616
    3⤵
    - Program crash
    PID:4052

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4028,i,8231329449558834090,4540802069600791165,262144 --variations-seed-version --mojo-platform-channel-handle=4464 /prefetch:8
1⤵
PID:2656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4444 -ip 4444
1⤵
PID:4112

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/4444-0-0x0000000075450000-0x0000000075480000-memory.dmp

Filesize
192KB

Download
memory/4444-1-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

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