dridex | f0aaf017c7385bd29d611a89de93fce39cd860e6666345616b100ecc7500f78e

Analysis

max time kernel
38s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
11-05-2021 13:07

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General

Target

8ea83d67_by_Libranalysis.dll
Size

162KB
MD5

8ea83d6713664feb88c4c4a8c530cf05
SHA1

768168d91479d8aece3899a92eb2693c2fbc32a5
SHA256

f0aaf017c7385bd29d611a89de93fce39cd860e6666345616b100ecc7500f78e
SHA512

05442a3e26128df2431aa01d1d80faf93da2aececadf03037caa8ade2959e0b9246f75e978885440a41f6388d7b1e11ce5f7000ec345c66dfce0fee0d7ecd154

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
behavioral2/memory/1540-115-0x0000000073FB0000-0x0000000073FDE000-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 640 wrote to memory of 1540	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 1540	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 1540	640	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ea83d67_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:640

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ea83d67_by_Libranalysis.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1540

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1540-114-0x0000000000000000-mapping.dmp

Download
memory/1540-115-0x0000000073FB0000-0x0000000073FDE000-memory.dmp

Filesize
184KB

Download
memory/1540-117-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

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