dridex | 2cd841b055e35d2b8fc9c3b750b50af11479b5ffdf9ac71f85207f0bc9440c2c

Analysis

max time kernel
125s
max time network
125s
platform
windows10_x64
resource
win10v20210408
submitted
21/04/2021, 04:25

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General

Target
2cd841b055e35d2b8fc9c3b750b50af11479b5ffdf9ac71f85207f0bc9440c2c.dll
Size 162KB
Sample210421-lh5vmfe3mn
SHA256 2cd841b055e35d2b8fc9c3b750b50af11479b5ffdf9ac71f85207f0bc9440c2c
MD5 526618fceb666e7b270e91c36e9c0f55
SHA1 ae1fc5f438bae3f7ea1c9b6f342397e67738eb3e
SHA512 1ef17b485c717aca51995214ad38eb36719cbce3f01b304bcae2542fe6c801f39adb52e365104491ad93fae46a13fb0e2687a9822087e855f3eaca6036beb71a
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/384-115-0x0000000074300000-0x000000007432E000-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 564 wrote to memory of 384	564	rundll32.exe	70
PID 564 wrote to memory of 384	564	rundll32.exe	70
PID 564 wrote to memory of 384	564	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2cd841b055e35d2b8fc9c3b750b50af11479b5ffdf9ac71f85207f0bc9440c2c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:564
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2cd841b055e35d2b8fc9c3b750b50af11479b5ffdf9ac71f85207f0bc9440c2c.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:384

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/384-115-0x0000000074300000-0x000000007432E000-memory.dmp

Download

memory/384-117-0x0000000000630000-0x0000000000636000-memory.dmp