dridex | a9ec6b05e1ecc9ece06e72ef2a7438b4f01cb44562dea4d9211fb1a3d9e3796c

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
16/03/2024, 22:45

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General

Target
cf43dc5ba1b5f3bcbfb5812a0dc80ba0.dll
Size 188KB
Sample240316-2prawseb9t
SHA256 a9ec6b05e1ecc9ece06e72ef2a7438b4f01cb44562dea4d9211fb1a3d9e3796c
MD5 cf43dc5ba1b5f3bcbfb5812a0dc80ba0
SHA1 2b2c090cccf52756cb600f2ecf78bf8c8fa36781
SHA512 4160b12ab1a3964ac49f61293d653bac22673414a9c3f1bf1bfbdd7014295a370654a5907d0818ae057c33337f4713566277965c4faee0bda46fb0375f79c6bc
SSDEEP 3072:nA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo9o:nzIqATVfQeV2FZalKq6jtGJWuTmd
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/1436-1-0x0000000075390000-0x00000000753C0000-memory.dmp	dridex_ldr
behavioral2/memory/1436-2-0x0000000075390000-0x00000000753C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3172	1436	WerFault.exe	94

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 1436	4892	rundll32.exe	94
PID 4892 wrote to memory of 1436	4892	rundll32.exe	94
PID 4892 wrote to memory of 1436	4892	rundll32.exe	94

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf43dc5ba1b5f3bcbfb5812a0dc80ba0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4892
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf43dc5ba1b5f3bcbfb5812a0dc80ba0.dll,#1
  2⤵
  PID:1436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 664
    3⤵
    - Program crash
    PID:3172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1436 -ip 1436
1⤵
PID:1628

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=3756 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
1⤵
PID:2332

Network

MITRE ATT&CK Matrix

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Downloads

memory/1436-0-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

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memory/1436-1-0x0000000075390000-0x00000000753C0000-memory.dmp

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memory/1436-2-0x0000000075390000-0x00000000753C0000-memory.dmp

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memory/1436-3-0x0000000000DF0000-0x0000000000DF6000-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