dridex | 122daae264e48afecacff39633050751658f9557daa4ae83736f4cb7fae58f1c

Analysis

max time kernel
150s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
26/07/2021, 23:16

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General

Target
86cf23052839ce4955a9ca27d08b4b55.dll
Size 173KB
Sample210726-mthcd6xmnx
SHA256 122daae264e48afecacff39633050751658f9557daa4ae83736f4cb7fae58f1c
MD5 86cf23052839ce4955a9ca27d08b4b55
SHA1 a5b0d7ce017812a8cf6232f6ee65e338804a8c6e
SHA512 af3eb9af2d1cefa8f94fad30b63a434b1120424a2fd6b76217b07e2f6c2754d8613bdb1f64068918175647b042f4b854b1d3ab229ea1da08d1425273975e9d17
MD5 SHA1 SHA512

Score

10^/10

dridex 22202 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22202

45.79.33.48:443
139.162.202.74:5007
68.183.216.174:7443

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/3204-115-0x0000000073860000-0x0000000073890000-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 3944 wrote to memory of 3204	3944	rundll32.exe	69
PID 3944 wrote to memory of 3204	3944	rundll32.exe	69
PID 3944 wrote to memory of 3204	3944	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\86cf23052839ce4955a9ca27d08b4b55.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\86cf23052839ce4955a9ca27d08b4b55.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3204

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/3204-115-0x0000000073860000-0x0000000073890000-memory.dmp

Download

memory/3204-117-0x0000000000720000-0x000000000086A000-memory.dmp