dridex | acbe84ff3a7054504a503e1ab506112dfa00a8b3ce9c26c455c880b544b60002

Analysis

max time kernel
120s
max time network
123s
platform
windows10_x64
resource
win10v20210410
submitted
08/05/2021, 12:01

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General

Target
fb91f453_by_Libranalysis.dll
Size 162KB
Sample210508-xd8ln4qd7a
SHA256 acbe84ff3a7054504a503e1ab506112dfa00a8b3ce9c26c455c880b544b60002
MD5 fb91f453ed3c84f7465512087af69ef8
SHA1 1cf5c0a1f5af1c91a152fa0463df2cb07be94e98
SHA512 7957e669387b88e9cf7931e6bbb514ca88effd70aea46fb9b852750e59f758ae9dd0b1a77c7dd23eb2c806c633468e1341243c9cfa174d27c050be4f20686ce4
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/1828-115-0x00000000755E0000-0x000000007560E000-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 1828	4048	rundll32.exe	70
PID 4048 wrote to memory of 1828	4048	rundll32.exe	70
PID 4048 wrote to memory of 1828	4048	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb91f453_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb91f453_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1828

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/1828-115-0x00000000755E0000-0x000000007560E000-memory.dmp

Download

memory/1828-117-0x0000000002600000-0x000000000274A000-memory.dmp