dridex | d04f37a5dd3803d6fa456939e81f1a4fa5cc9222ca173faac0d3d49e964818b4

Analysis

max time kernel
136s
max time network
140s
platform
windows10_x64
resource
win10v20210408
submitted
09/05/2021, 11:02

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General

Target
af8656fe_by_Libranalysis.dll
Size 162KB
Sample210509-2csb3z917n
SHA256 d04f37a5dd3803d6fa456939e81f1a4fa5cc9222ca173faac0d3d49e964818b4
MD5 af8656fe4c310d895295ebb13990dc47
SHA1 8f9f2e56ccf9bb12a5d41ab6e28fe65763b376fa
SHA512 6e0a7996a53e22b65ac9f5c0fbe0ca8b1fa58b7a9b05b164f6e23e273679a7ab752d3f97c8348421743e9ffffe1daf599163acd19b14d0301219ce8611ca2d85
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/2268-115-0x0000000073990000-0x00000000739BE000-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 1456 wrote to memory of 2268	1456	rundll32.exe	71
PID 1456 wrote to memory of 2268	1456	rundll32.exe	71
PID 1456 wrote to memory of 2268	1456	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\af8656fe_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\af8656fe_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2268

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/2268-115-0x0000000073990000-0x00000000739BE000-memory.dmp

Download

memory/2268-117-0x0000000000AC0000-0x0000000000AC6000-memory.dmp