dridex | 25ea92991ee0c1516cd3d6edba500ffe1b8e59c5d07e7cad0f48f683e90944be

Analysis

max time kernel
63s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
18/04/2021, 22:45

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General

Target
25ea92991ee0c1516cd3d6edba500ffe1b8e59c5d07e7cad0f48f683e90944be.dll
Size 162KB
Sample210418-fr7xc54w7a
SHA256 25ea92991ee0c1516cd3d6edba500ffe1b8e59c5d07e7cad0f48f683e90944be
MD5 f6ee300adc93505f35c5fdd7792643b6
SHA1 6ccf363f6f126ba99b59da929f6693f7eef70403
SHA512 9c441f9578a50d3edf3204a12ca1bb642ce2894515d1d3d5c1692fe4e599fa3483330e2353ef14957c6878e657f85f43b8810efd6cc0a9da1dcdec70ff855a3c
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/2588-115-0x0000000073DE0000-0x0000000073E0E000-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 3892 wrote to memory of 2588	3892	rundll32.exe	38
PID 3892 wrote to memory of 2588	3892	rundll32.exe	38
PID 3892 wrote to memory of 2588	3892	rundll32.exe	38

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\25ea92991ee0c1516cd3d6edba500ffe1b8e59c5d07e7cad0f48f683e90944be.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3892
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\25ea92991ee0c1516cd3d6edba500ffe1b8e59c5d07e7cad0f48f683e90944be.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2588

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/2588-115-0x0000000073DE0000-0x0000000073E0E000-memory.dmp

Download

memory/2588-117-0x0000000001000000-0x000000000114A000-memory.dmp