dridex | 3af3a7c54a95a6ef99529b830d0eedcaace1d1f960b1ec9ba1cfd9d6909888ae

Analysis

max time kernel
36s
max time network
54s
platform
windows10_x64
resource
win10v20210408
submitted
17/05/2021, 06:02

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General

Target
58e54aac_by_Libranalysis.dll
Size 162KB
Sample210517-ejap1x3462
SHA256 3af3a7c54a95a6ef99529b830d0eedcaace1d1f960b1ec9ba1cfd9d6909888ae
MD5 58e54aac9d7a9f002ace94440072d761
SHA1 53e01df43ad25f1bb5e8a2ff7d5980a1fa55afec
SHA512 9862f749e66697ba8a5684064f28d12c6ba666cb253cdaeb1469d8e0d804250cdede27186e95815d246a54b591116326d1858ef689aefed6005b412b5b0b3771
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/1192-115-0x00000000736D0000-0x00000000736FE000-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 836 wrote to memory of 1192	836	rundll32.exe	69
PID 836 wrote to memory of 1192	836	rundll32.exe	69
PID 836 wrote to memory of 1192	836	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\58e54aac_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:836
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\58e54aac_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1192

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/1192-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

Download

memory/1192-117-0x0000000000550000-0x0000000000556000-memory.dmp