dridex | 449b8ee1db28249f6bf37a036a44c063b2baab74cd86bae5dbe5d5bd027571c7

Analysis

max time kernel
74s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
20/04/2021, 17:00

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General

Target
449b8ee1db28249f6bf37a036a44c063b2baab74cd86bae5dbe5d5bd027571c7.dll
Size 162KB
Sample210420-x3mraswlja
SHA256 449b8ee1db28249f6bf37a036a44c063b2baab74cd86bae5dbe5d5bd027571c7
MD5 757c93769ef5a2a2c39e60a37415270f
SHA1 768c33fdcd36e5f6ae9d699a439a3327bb6bba31
SHA512 adaedda801fe2ea6f458502e1ec799f4b31345b96d650ced97fa9e262cd16d2ae47db411dfb3dcc1696ef20a4d4a4aed42e0fcea4e71567799b6cc8932f0fa75
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 2116 wrote to memory of 3172	2116	rundll32.exe	66
PID 2116 wrote to memory of 3172	2116	rundll32.exe	66
PID 2116 wrote to memory of 3172	2116	rundll32.exe	66

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\449b8ee1db28249f6bf37a036a44c063b2baab74cd86bae5dbe5d5bd027571c7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\449b8ee1db28249f6bf37a036a44c063b2baab74cd86bae5dbe5d5bd027571c7.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/3172-117-0x0000000000300000-0x0000000000306000-memory.dmp