dridex | 035a0bbf2f2226c3bd4137dd80a7418782eb4e27ad339dafe1cb6947acb22721

Analysis

max time kernel
19s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
18/04/2021, 15:10

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General

Target
035a0bbf2f2226c3bd4137dd80a7418782eb4e27ad339dafe1cb6947acb22721.dll
Size 162KB
Sample210418-ygjfdppj36
SHA256 035a0bbf2f2226c3bd4137dd80a7418782eb4e27ad339dafe1cb6947acb22721
MD5 41dd0944ebe2048a252a344ee627908d
SHA1 7a84bf419c1eee0a0a20f38700b27d1c2ef3b055
SHA512 273caadb9298d85ae9e8d98854ca2e939f13fddf1cb7a8248f3212f5d7660e2e7153e27867ae799c7aec04282a3c01830c7b881e4046e08d42e79bd5073bc497
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/3752-115-0x0000000073DE0000-0x0000000073E0E000-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 3944 wrote to memory of 3752	3944	rundll32.exe	64
PID 3944 wrote to memory of 3752	3944	rundll32.exe	64
PID 3944 wrote to memory of 3752	3944	rundll32.exe	64

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\035a0bbf2f2226c3bd4137dd80a7418782eb4e27ad339dafe1cb6947acb22721.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\035a0bbf2f2226c3bd4137dd80a7418782eb4e27ad339dafe1cb6947acb22721.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3752

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/3752-115-0x0000000073DE0000-0x0000000073E0E000-memory.dmp

Download

memory/3752-117-0x0000000000E00000-0x0000000000F4A000-memory.dmp