dridex | 888a4bb75406a0478869d794986ed082254a53cfbe772dea1051044859f8ba4d

Analysis

max time kernel
139s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
04/03/2024, 09:01

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General

Target
b1bb5e9210396ecbfd08ef467d98c428.dll
Size 188KB
Sample240304-kzeamsfe69
SHA256 888a4bb75406a0478869d794986ed082254a53cfbe772dea1051044859f8ba4d
MD5 b1bb5e9210396ecbfd08ef467d98c428
SHA1 b00af77b70162464fe624bc97ff8023f2dd4c0e6
SHA512 28d5a75add5ac35da5dad2132076ff7c7aecfa1151391effe229b17da47b26be2351304834c12d5e30c2d6606c5f506d703115b5386e3f611afa262dedd66fd9
SSDEEP 3072:/A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoXo:/zIqATVfQeV2FZalKq6jtGJWuTmd
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443
54.39.98.141:6602
103.109.247.8:10443

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/4056-1-0x0000000074A00000-0x0000000074A30000-memory.dmp	dridex_ldr
behavioral2/memory/4056-0-0x0000000074A00000-0x0000000074A30000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2352	4056	WerFault.exe	95

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3748 wrote to memory of 4056	3748	rundll32.exe	95
PID 3748 wrote to memory of 4056	3748	rundll32.exe	95
PID 3748 wrote to memory of 4056	3748	rundll32.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1bb5e9210396ecbfd08ef467d98c428.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3748
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1bb5e9210396ecbfd08ef467d98c428.dll,#1
  2⤵
  PID:4056
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 692
    3⤵
    - Program crash
    PID:2352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4056 -ip 4056
1⤵
PID:1504

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 --no-appcompat-clear --mojo-platform-channel-handle=4068 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
1⤵
PID:4800

Network

MITRE ATT&CK Matrix

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Downloads

memory/4056-1-0x0000000074A00000-0x0000000074A30000-memory.dmp

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memory/4056-0-0x0000000074A00000-0x0000000074A30000-memory.dmp

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memory/4056-2-0x0000000000840000-0x0000000000846000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads