dridex | 1d1b39df86c96373c4c541b3b867c9c145cf91c446fe52e7e15ef07921eff00f

Analysis

max time kernel
140s
max time network
141s
platform
windows10_x64
resource
win10v20210410
submitted
17/04/2021, 21:33

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General

Target
1d1b39df86c96373c4c541b3b867c9c145cf91c446fe52e7e15ef07921eff00f.dll
Size 162KB
Sample210417-ysb58kld6s
SHA256 1d1b39df86c96373c4c541b3b867c9c145cf91c446fe52e7e15ef07921eff00f
MD5 1544d13aca64674f12fdff540c1300fe
SHA1 b67dc8c25b0816031c77ac773e1fa1ba1470b6fa
SHA512 8551df09877ae5f5f8a0c293359f91f2a283dde40bed300c1c6963f5cff1cc6c46062a81087970072b6dd7eefb5a52cc2e45e26fad2f4a55fbc735548dc99325
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/4076-115-0x00000000755E0000-0x000000007560E000-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 4076	4048	rundll32.exe	68
PID 4048 wrote to memory of 4076	4048	rundll32.exe	68
PID 4048 wrote to memory of 4076	4048	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1d1b39df86c96373c4c541b3b867c9c145cf91c446fe52e7e15ef07921eff00f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1d1b39df86c96373c4c541b3b867c9c145cf91c446fe52e7e15ef07921eff00f.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4076

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/4076-115-0x00000000755E0000-0x000000007560E000-memory.dmp

Download

memory/4076-117-0x0000000000D20000-0x0000000000D26000-memory.dmp