dridex | e8491b6f356dbcdab9df8dd9e1d8475ec90395f12042232b53df8b71f1da516b

Analysis

max time kernel
29s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
04/05/2021, 06:02

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General

Target
371ad0ec_by_Libranalysis.dll
Size 162KB
Sample210504-fg6pex5cmx
SHA256 e8491b6f356dbcdab9df8dd9e1d8475ec90395f12042232b53df8b71f1da516b
MD5 371ad0eca2962e4c3cf74831e68ab4d0
SHA1 c64638010b956e554319ff17cea5c1e521f1dd03
SHA512 7d748ce5da7b286b50a1b8aaae430341adef6d64fae6d16bfefe0508c747b6865ac7dc3d1162821d74968bbf0dfb5c0a685325e8da340701657ab701d7cda9ae
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

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

resource	yara_rule
behavioral2/memory/1204-115-0x0000000074440000-0x000000007446E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 1204	808	rundll32.exe	70
PID 808 wrote to memory of 1204	808	rundll32.exe	70
PID 808 wrote to memory of 1204	808	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\371ad0ec_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\371ad0ec_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1204

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1204-115-0x0000000074440000-0x000000007446E000-memory.dmp

Download

memory/1204-117-0x0000000002A10000-0x0000000002B5A000-memory.dmp