dridex | c6dbb8e8bd3f772d842fd4ff91387a56e8e91648fae643685b2d257da9ef7963

Analysis

max time kernel
21s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
15/04/2021, 11:35

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General

Target
c6dbb8e8bd3f772d842fd4ff91387a56e8e91648fae643685b2d257da9ef7963.dll
Size 162KB
Sample210415-kt69kle38n
SHA256 c6dbb8e8bd3f772d842fd4ff91387a56e8e91648fae643685b2d257da9ef7963
MD5 1c8c188dc8ffbdc18b99894f2e7922e8
SHA1 7fb26c26e7a38025b7343bbd704ac4d47e94f7ac
SHA512 eccc958c97d4582e6c70a28602a6cd859a117159fa224ea90f70819e246e8fee17aca7afc207fad5da35f6b15f709925def501611b54c72f5199c47f98140602
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/4072-116-0x0000000073EE0000-0x0000000073F0E000-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 4060 wrote to memory of 4072	4060	rundll32.exe	70
PID 4060 wrote to memory of 4072	4060	rundll32.exe	70
PID 4060 wrote to memory of 4072	4060	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6dbb8e8bd3f772d842fd4ff91387a56e8e91648fae643685b2d257da9ef7963.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4060
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6dbb8e8bd3f772d842fd4ff91387a56e8e91648fae643685b2d257da9ef7963.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4072

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/4072-115-0x0000000000400000-0x000000000054A000-memory.dmp

Download

memory/4072-116-0x0000000073EE0000-0x0000000073F0E000-memory.dmp