dridex | 8b6874010a51fb0a3ffd1b5a9658cd876a1722f332447ade906e8d9f63edf892

Analysis

max time kernel
144s
max time network
145s
platform
windows10_x64
resource
win10v20210408
submitted
07/05/2021, 13:05

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General

Target
49d14084_by_Libranalysis.dll
Size 162KB
Sample210507-ecsm6tw7x2
SHA256 8b6874010a51fb0a3ffd1b5a9658cd876a1722f332447ade906e8d9f63edf892
MD5 49d14084d4d783ef727669c54a0fca8d
SHA1 d5c9268588aafcfd285eda07dff31709f987d114
SHA512 967da9005bc488ff47486836c1338a24d0fc8bb91bab77aaf490c397931a9ea4985bbdef726462b381df9f45db53707d802cddc8e79f2e7240982f79d3eb29e7
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/1032-115-0x0000000074430000-0x000000007445E000-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 808 wrote to memory of 1032	808	rundll32.exe	69
PID 808 wrote to memory of 1032	808	rundll32.exe	69
PID 808 wrote to memory of 1032	808	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\49d14084_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\49d14084_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1032

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/1032-115-0x0000000074430000-0x000000007445E000-memory.dmp

Download

memory/1032-117-0x0000000000800000-0x00000000008AE000-memory.dmp