dridex | 83179556cac06771cf618b84103093a22ddc637d7a5701c0d2dd05edcdda172b

Analysis

max time kernel
119s
max time network
123s
platform
windows10_x64
resource
win10v20210410
submitted
11/05/2021, 00:02

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General

Target
8f39b1cd_by_Libranalysis.dll
Size 162KB
Sample210511-959dn525fn
SHA256 83179556cac06771cf618b84103093a22ddc637d7a5701c0d2dd05edcdda172b
MD5 8f39b1cd38d788e1e23fa2701d14abe1
SHA1 305fc2845ca45f0f63c588a6b3161e0fbdfd7a19
SHA512 b0b7ec3765130a5c1082e2b7ded076b6c926c497c3dda9a403b5bbb06d035d9708fbdf786af781b4d91034519e18747d34a20ce25a75536e8dd3c9cacc157692
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/3172-115-0x0000000074420000-0x000000007444E000-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 2228 wrote to memory of 3172	2228	rundll32.exe	37
PID 2228 wrote to memory of 3172	2228	rundll32.exe	37
PID 2228 wrote to memory of 3172	2228	rundll32.exe	37

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f39b1cd_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f39b1cd_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3172

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/3172-115-0x0000000074420000-0x000000007444E000-memory.dmp

Download

memory/3172-117-0x00000000007E0000-0x00000000007E6000-memory.dmp