dridex | 3bc83fdd3ca431536f7ff926c6ea3f2ea04a3ff4461dda1d8c986a05bc0d634b

Analysis

max time kernel
62s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
03/05/2021, 00:01

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General

Target
da2d7e48_by_Libranalysis.dll
Size 162KB
Sample210503-e97mkycnva
SHA256 3bc83fdd3ca431536f7ff926c6ea3f2ea04a3ff4461dda1d8c986a05bc0d634b
MD5 da2d7e486ca9dbd311a51d599057bcef
SHA1 b63ad04aefb4ff86d285126945d446500493ff66
SHA512 5ad7a2abc80e53f724d6c943573a752a98fcd1fb5e25145bdd10ac1530f9c627734f0c051f82aed1a1c5e005ca1e6b1ce598114c850cd42f334b6c4268fdf74c
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/4080-115-0x00000000755E0000-0x000000007560E000-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 4048 wrote to memory of 4080	4048	rundll32.exe	19
PID 4048 wrote to memory of 4080	4048	rundll32.exe	19
PID 4048 wrote to memory of 4080	4048	rundll32.exe	19

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\da2d7e48_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\da2d7e48_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4080

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/4080-115-0x00000000755E0000-0x000000007560E000-memory.dmp

Download

memory/4080-117-0x0000000000C40000-0x0000000000C46000-memory.dmp