dridex | e1f346b522cb2d1513ca76222a815792bfd7ab6cafc3b62ed4ede42f57f1ec6f

Analysis

max time kernel
18s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
19/04/2021, 06:58

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General

Target
e1f346b522cb2d1513ca76222a815792bfd7ab6cafc3b62ed4ede42f57f1ec6f.dll
Size 162KB
Sample210419-b5j2hvkb8a
SHA256 e1f346b522cb2d1513ca76222a815792bfd7ab6cafc3b62ed4ede42f57f1ec6f
MD5 7a1a905e3cd278ffdee916f3f357621f
SHA1 be0ba99bf0add5851f4851b4896b1c8bfb5a84f0
SHA512 df4ac611a9c71792fab81272729b30bb8ba7faed0c61d73e3d5b243a745cfddfb12c1eabfe182536b29924f18cd070a6284f2317f7e6dd8aa67b7d0babe27579
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/3236-115-0x00000000735D0000-0x00000000735FE000-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 3916 wrote to memory of 3236	3916	rundll32.exe	72
PID 3916 wrote to memory of 3236	3916	rundll32.exe	72
PID 3916 wrote to memory of 3236	3916	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1f346b522cb2d1513ca76222a815792bfd7ab6cafc3b62ed4ede42f57f1ec6f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1f346b522cb2d1513ca76222a815792bfd7ab6cafc3b62ed4ede42f57f1ec6f.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3236

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/3236-115-0x00000000735D0000-0x00000000735FE000-memory.dmp

Download

memory/3236-117-0x00000000003B0000-0x00000000003B6000-memory.dmp