dridex | 8396cd3bd5bcf870c5a1470550bab0eb4d9ce1ae7e185b3ad39972eff5a26745

Analysis

max time kernel
25s
max time network
124s
platform
windows10_x64
resource
win10v20210408
submitted
19-06-2021 10:19

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General

Target

8396cd3bd5bcf870c5a1470550bab0eb4d9ce1ae7e185b3ad39972eff5a26745.dll
Size

158KB
MD5

da67c3109ceb539dd28a257b80da0f40
SHA1

db155bc2a470ee46893ba602586a40a0933b1a2e
SHA256

8396cd3bd5bcf870c5a1470550bab0eb4d9ce1ae7e185b3ad39972eff5a26745
SHA512

eb6270bba838824f437f79dd43477fb61d256e46006df17fb390755377471ecc3d53472a70e3782e50f37c617da5273d40c77157b0bad5f8e5358a860e091b4d

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/912-115-0x0000000073FB0000-0x0000000073FDD000-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 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 632 wrote to memory of 912	632	rundll32.exe	rundll32.exe
PID 632 wrote to memory of 912	632	rundll32.exe	rundll32.exe
PID 632 wrote to memory of 912	632	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8396cd3bd5bcf870c5a1470550bab0eb4d9ce1ae7e185b3ad39972eff5a26745.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:632
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8396cd3bd5bcf870c5a1470550bab0eb4d9ce1ae7e185b3ad39972eff5a26745.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:912

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/912-114-0x0000000000000000-mapping.dmp

Download
memory/912-115-0x0000000073FB0000-0x0000000073FDD000-memory.dmp

Filesize
180KB

Download
memory/912-117-0x0000000003170000-0x00000000032BA000-memory.dmp

Filesize
1.3MB

Download