dridex | 4bcff197c92a72e9c6da2ee0879931e05d303ef9e8fc1f446b4101ebb8e65a1e

Analysis

max time kernel
136s
max time network
137s
platform
windows10_x64
resource
win10v20210410
submitted
14/05/2021, 17:02

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General

Target
1037a9a0_by_Libranalysis.dll
Size 162KB
Sample210514-g86bwd5yne
SHA256 4bcff197c92a72e9c6da2ee0879931e05d303ef9e8fc1f446b4101ebb8e65a1e
MD5 1037a9a0e52867076a6befc5c81e700b
SHA1 d12814fbb29429f0560372d42e6570f41946aca1
SHA512 00d9d46c7c59c2e289ba4393f34b378fac678b9a0516e5f99cced3913e53a07f17dad2706424a8ece235fabaf9375a949b9380d708d623b12b4230d74a70a298
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/984-115-0x0000000073AA0000-0x0000000073ACE000-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 3184 wrote to memory of 984	3184	rundll32.exe	72
PID 3184 wrote to memory of 984	3184	rundll32.exe	72
PID 3184 wrote to memory of 984	3184	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1037a9a0_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3184
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1037a9a0_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:984

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/984-115-0x0000000073AA0000-0x0000000073ACE000-memory.dmp

Download

memory/984-117-0x0000000000910000-0x0000000000916000-memory.dmp