dridex | b1a896b4e89b1cb709c12bf85b7c826ca7f3d0efaa783abc3c214d3acfcff372

Analysis

max time kernel
22s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
29/04/2021, 13:12

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General

Target
a6845b16_by_Libranalysis.dll
Size 162KB
Sample210429-vh4v7pl9mx
SHA256 b1a896b4e89b1cb709c12bf85b7c826ca7f3d0efaa783abc3c214d3acfcff372
MD5 a6845b1620b36410ab811c6c2563f748
SHA1 eacdf5901e149a242bbec05af531f1c12a5b1a78
SHA512 ab28d7d05957481b575df0f1c1c48a74cedd857ca3921e0521ca670ba74012d13f4d9dd85c6c50ee0b3d4170fe13d2b4f243e6faf4903a01cb17c9c68551883a
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/2156-115-0x0000000073860000-0x000000007388E000-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 4004 wrote to memory of 2156	4004	rundll32.exe	69
PID 4004 wrote to memory of 2156	4004	rundll32.exe	69
PID 4004 wrote to memory of 2156	4004	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6845b16_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6845b16_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2156

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/2156-115-0x0000000073860000-0x000000007388E000-memory.dmp

Download

memory/2156-117-0x00000000007C0000-0x00000000007C6000-memory.dmp