dridex | 54b693150d7ddc8163b3da6ecdeb8d9a9f24338b6145ebbd7a193b22e11f8d30

Analysis

max time kernel
20s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
21/04/2021, 00:39

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General

Target
54b693150d7ddc8163b3da6ecdeb8d9a9f24338b6145ebbd7a193b22e11f8d30.dll
Size 162KB
Sample210421-2sb347ct7a
SHA256 54b693150d7ddc8163b3da6ecdeb8d9a9f24338b6145ebbd7a193b22e11f8d30
MD5 19d47d60d986ad8e2d23ad95e059e678
SHA1 b76c8243a0d646d87eab502aee613163d9a83a35
SHA512 e4fcad7a5ea090a4787ccc8b24b2349c8ce5057e00c02d148b3fdf1a829eea9a2201748a4969427b224111cec61f63c7bfa391b69e7662676ed6084ffdd96203
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/3860-115-0x0000000073B70000-0x0000000073B9E000-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 3904 wrote to memory of 3860	3904	rundll32.exe	70
PID 3904 wrote to memory of 3860	3904	rundll32.exe	70
PID 3904 wrote to memory of 3860	3904	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\54b693150d7ddc8163b3da6ecdeb8d9a9f24338b6145ebbd7a193b22e11f8d30.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\54b693150d7ddc8163b3da6ecdeb8d9a9f24338b6145ebbd7a193b22e11f8d30.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3860

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/3860-115-0x0000000073B70000-0x0000000073B9E000-memory.dmp

Download

memory/3860-117-0x00000000030A0000-0x00000000030A6000-memory.dmp