dridex | f6a1a7e43a2c62cbd3a9bd263d3a0ca63734a8bc70bb9011e7361c07074ab6bc

Analysis

max time kernel
150s
max time network
152s
platform
windows10_x64
resource
win10v20210408
submitted
11/05/2021, 11:05

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General

Target
515e641d_by_Libranalysis.dll
Size 162KB
Sample210511-ncpq2d4ans
SHA256 f6a1a7e43a2c62cbd3a9bd263d3a0ca63734a8bc70bb9011e7361c07074ab6bc
MD5 515e641d4b6b5f30a56b2adbb59907a3
SHA1 eb5c4d38e9848085f6e3280a5127c455a6855f46
SHA512 6610322281d0a526e6f06aca979802bd396cbc81731b96dcf0cde7ba12cf7ac42040ac5477a301c84b87eced1f5549e541737ee2f3a52c89006f743fbcdc4a93
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/1664-115-0x00000000738F0000-0x000000007391E000-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 856 wrote to memory of 1664	856	rundll32.exe	71
PID 856 wrote to memory of 1664	856	rundll32.exe	71
PID 856 wrote to memory of 1664	856	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\515e641d_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\515e641d_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1664

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/1664-115-0x00000000738F0000-0x000000007391E000-memory.dmp

Download

memory/1664-117-0x0000000002E90000-0x0000000002E96000-memory.dmp