dridex | f6f2dfa8faf147349af8e2e3f4e51537143922d6e2e61226a5d3f35235352d72

Analysis

max time kernel
21s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
04/05/2021, 11:01

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General

Target
33075048_by_Libranalysis.dll
Size 162KB
Sample210504-j77b7xtcy6
SHA256 f6f2dfa8faf147349af8e2e3f4e51537143922d6e2e61226a5d3f35235352d72
MD5 33075048e282cabb3d333b0382664477
SHA1 db09152b336365e7596b9ee72733abb1c796d346
SHA512 cbc3fd90bed8080734c47a931ca1ebc2f7cda24c68f41e8dbaea7801b38a1b0fb9886e8f1b298fdf23fbe7c0ee2bce36277715fe78e5a45534b06a0abafd2355
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/3960-115-0x0000000074090000-0x00000000740BE000-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 3952 wrote to memory of 3960	3952	rundll32.exe	72
PID 3952 wrote to memory of 3960	3952	rundll32.exe	72
PID 3952 wrote to memory of 3960	3952	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\33075048_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3952
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\33075048_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3960

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/3960-115-0x0000000074090000-0x00000000740BE000-memory.dmp

Download

memory/3960-117-0x00000000009C0000-0x00000000009C6000-memory.dmp