dridex | a637b5bd2b03545c4f7e0409e5da405b54caa4573a84cb0302e484ddb54b507a

Analysis

max time kernel
25s
max time network
67s
platform
windows10_x64
resource
win10v20210408
submitted
17/04/2021, 10:25

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General

Target
a637b5bd2b03545c4f7e0409e5da405b54caa4573a84cb0302e484ddb54b507a.dll
Size 162KB
Sample210417-d3zajeyxp2
SHA256 a637b5bd2b03545c4f7e0409e5da405b54caa4573a84cb0302e484ddb54b507a
MD5 51426862e4e7a813a651a55af1f6b966
SHA1 020161260fc619cde378e1db58017defb99c85d1
SHA512 2940b543e3997d893008949da4cf794becd0f3e3b47c8cbe2a9b5f7c39aeb29318b4157a6b5be7368798e31dde95815646a8f63652a98b124afe8e1ea8604e51
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/1368-115-0x0000000073F50000-0x0000000073F7E000-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 1032 wrote to memory of 1368	1032	rundll32.exe	69
PID 1032 wrote to memory of 1368	1032	rundll32.exe	69
PID 1032 wrote to memory of 1368	1032	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a637b5bd2b03545c4f7e0409e5da405b54caa4573a84cb0302e484ddb54b507a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1032
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a637b5bd2b03545c4f7e0409e5da405b54caa4573a84cb0302e484ddb54b507a.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1368

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/1368-115-0x0000000073F50000-0x0000000073F7E000-memory.dmp

Download

memory/1368-117-0x0000000000D10000-0x0000000000D16000-memory.dmp