dridex | 930a280f3149e24b5b4a7646b6269e820c1ea204a636dbbe321f2fadf7948b98

Analysis

max time kernel
122s
max time network
125s
platform
windows10_x64
resource
win10v20210410
submitted
23/05/2021, 11:02

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General

Target
50ac02bd_by_Libranalysis.dll
Size 162KB
Sample210523-3aes98dvv2
SHA256 930a280f3149e24b5b4a7646b6269e820c1ea204a636dbbe321f2fadf7948b98
MD5 50ac02bd4997bb3fdbfece2de468a999
SHA1 23a7827ca3be1d89cc37631c455b06121603259b
SHA512 1273aeed989fd2019928e11b5e68a55d36b10473076851b884e1c14bf364a16b19a4f6dd2b4dcfe034e23a537787297bcea35d101cf1e171b61593be59fee896
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/4452-115-0x0000000074290000-0x00000000742BE000-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 4436 wrote to memory of 4452	4436	rundll32.exe	69
PID 4436 wrote to memory of 4452	4436	rundll32.exe	69
PID 4436 wrote to memory of 4452	4436	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\50ac02bd_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\50ac02bd_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4452

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/4452-115-0x0000000074290000-0x00000000742BE000-memory.dmp

Download

memory/4452-117-0x00000000006F0000-0x00000000006F6000-memory.dmp