dridex | 37e2b1e297331912ca93afd6b72d22ac6a6b80c70014ab9ac080ef7d6fedb4cb

Analysis

max time kernel
23s
max time network
11s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 15:51

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General

Target

37e2b1e297331912ca93afd6b72d22ac6a6b80c70014ab9ac080ef7d6fedb4cb.dll
Size

162KB
MD5

3066e777d42b359f2f620a8eac079343
SHA1

12936fa79251375bf9b18288eb895497f50bd88b
SHA256

37e2b1e297331912ca93afd6b72d22ac6a6b80c70014ab9ac080ef7d6fedb4cb
SHA512

f6836415a529b546b72c0b1c80fa9e4876d4cdafedf3b9bafaec480fda8b34149a5fdb294e34c1bdd3013673b4c969410dda71f92073de3103d0f2163d4051ec

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

Processes:

resource	yara_rule
behavioral1/memory/616-62-0x00000000750F0000-0x000000007511E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2040 wrote to memory of 616	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 616	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 616	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 616	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 616	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 616	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 616	2040	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\37e2b1e297331912ca93afd6b72d22ac6a6b80c70014ab9ac080ef7d6fedb4cb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\37e2b1e297331912ca93afd6b72d22ac6a6b80c70014ab9ac080ef7d6fedb4cb.dll,#1
2⤵
- Checks whether UAC is enabled
PID:616

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/616-60-0x0000000000000000-mapping.dmp

Download
memory/616-61-0x0000000076281000-0x0000000076283000-memory.dmp

Filesize
8KB

Download
memory/616-62-0x00000000750F0000-0x000000007511E000-memory.dmp

Filesize
184KB

Download
memory/616-64-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download