dridex | 4d94d446ad8e7865ba5c743fcd82188eec3418ec930f0a8dabb2a29eb550e053

Analysis

max time kernel
19s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
19-06-2021 15:39

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General

Target

4d94d446ad8e7865ba5c743fcd82188eec3418ec930f0a8dabb2a29eb550e053.dll
Size

160KB
MD5

e06b0aabfe8ffc0bdf7a81195fd6e70a
SHA1

4bd22e4201e0a2bab30680a94ef44533b8b3dc47
SHA256

4d94d446ad8e7865ba5c743fcd82188eec3418ec930f0a8dabb2a29eb550e053
SHA512

24709d8d18ceebbe6bba0f2ce3456e0bc454445c19ba2387c5bc6b1b72b2fa84c723db359fb519c15e0225d27856d0c44f9320e2ff9a54234713bc4711699462

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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

Processes:

resource	yara_rule
behavioral1/memory/976-115-0x0000000073660000-0x000000007368E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4012 wrote to memory of 976	4012	rundll32.exe	rundll32.exe
PID 4012 wrote to memory of 976	4012	rundll32.exe	rundll32.exe
PID 4012 wrote to memory of 976	4012	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d94d446ad8e7865ba5c743fcd82188eec3418ec930f0a8dabb2a29eb550e053.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d94d446ad8e7865ba5c743fcd82188eec3418ec930f0a8dabb2a29eb550e053.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:976

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/976-114-0x0000000000000000-mapping.dmp

Download
memory/976-115-0x0000000073660000-0x000000007368E000-memory.dmp

Filesize
184KB

Download
memory/976-117-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

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