dridex | 94ef3ee70521b14dc0b30ae3313fe6d4c7a5693cdea28cb87670c8583b91a140

Analysis

max time kernel
114s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16-08-2024 07:21

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General

Target

fe0f2c288f03c94d26c85619859ca180N.dll
Size

184KB
MD5

fe0f2c288f03c94d26c85619859ca180
SHA1

c983e6dd13b97ecf4877bb6e1105676ac0d3eb55
SHA256

94ef3ee70521b14dc0b30ae3313fe6d4c7a5693cdea28cb87670c8583b91a140
SHA512

21e86821f0e12c7037a54164513db9e0e5214feef2854a4140b55a9715debe55b03af7e5255e86fdb4c3767cb40787f57b29a0384a81eba528f866ca672dd9d5
SSDEEP

3072:zJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JRa//2uFrSc:4fYOX+wTScR/Xzku9LVwGuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/3904-1-0x0000000074FC0000-0x0000000074FEF000-memory.dmp	dridex_ldr
behavioral2/memory/3904-2-0x0000000074FC0000-0x0000000074FEF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4628	3904	WerFault.exe	89

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 3 IoCs

description	pid	Process	procid_target
PID 3496 wrote to memory of 3904	3496	rundll32.exe	89
PID 3496 wrote to memory of 3904	3496	rundll32.exe	89
PID 3496 wrote to memory of 3904	3496	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe0f2c288f03c94d26c85619859ca180N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3496
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe0f2c288f03c94d26c85619859ca180N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3904
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 616
    3⤵
    - Program crash
    PID:4628

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=4292,i,12470628711992022444,7767535593390851522,262144 --variations-seed-version --mojo-platform-channel-handle=3872 /prefetch:8
1⤵
PID:4252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3904 -ip 3904
1⤵
PID:4772

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/3904-0-0x0000000000E30000-0x0000000000E36000-memory.dmp

Filesize
24KB

Download
memory/3904-1-0x0000000074FC0000-0x0000000074FEF000-memory.dmp

Filesize
188KB

Download
memory/3904-2-0x0000000074FC0000-0x0000000074FEF000-memory.dmp

Filesize
188KB

Download
memory/3904-3-0x0000000000E30000-0x0000000000E36000-memory.dmp

Filesize
24KB

Download