dridex | f73654c865e0513143bc3ade675acaa784c44917a8e52af894ae5eef2f6a0097

Analysis

max time kernel
22s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
06/05/2021, 11:02

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General

Target
a9fa45c6_by_Libranalysis.dll
Size 162KB
Sample210506-cksgp9p1ne
SHA256 f73654c865e0513143bc3ade675acaa784c44917a8e52af894ae5eef2f6a0097
MD5 a9fa45c61a4440eed868cd5e1ef9f214
SHA1 e00c0f338c48e3e08efdfd36ad894c8f521c9e62
SHA512 8b35236ed050ce2c2420168fa671df5c7f606df139222d31cb87b031e1883338665e3e487afe8a05db3645e5be6aa7445731c7cdf8d30c1ec17d71ab19797b65
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/3764-115-0x0000000073D70000-0x0000000073D9E000-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 3636 wrote to memory of 3764	3636	rundll32.exe	72
PID 3636 wrote to memory of 3764	3636	rundll32.exe	72
PID 3636 wrote to memory of 3764	3636	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9fa45c6_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3636
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a9fa45c6_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3764

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/3764-115-0x0000000073D70000-0x0000000073D9E000-memory.dmp

Download

memory/3764-117-0x0000000000B50000-0x0000000000B56000-memory.dmp