dridex | 39657f13c0a91885eb1e38c789fc15e98215f68dfbd1c1bb48db9728199289e5

Analysis

max time kernel
35s
max time network
45s
platform
windows10_x64
resource
win10v20210408
submitted
11-05-2021 12:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

39657f13c0a91885eb1e38c789fc15e98215f68dfbd1c1bb48db9728199289e5.dll
Size

162KB
MD5

aba2024042cc10c4f39b327be2c6af0b
SHA1

66eb980a4cb8c93fcd42067ac0f643e7a3ba3640
SHA256

39657f13c0a91885eb1e38c789fc15e98215f68dfbd1c1bb48db9728199289e5
SHA512

7f493b2166135de50079b469fbac628c340f13e09ce313b33c664cd3120c1d2ff9d54ae34b3a74b0831714b1fbf3d1e4dfff6cd8364a245c301bc8e56e0a3371

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/4788-115-0x0000000073C30000-0x0000000073C5E000-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 4652 wrote to memory of 4788	4652	rundll32.exe	rundll32.exe
PID 4652 wrote to memory of 4788	4652	rundll32.exe	rundll32.exe
PID 4652 wrote to memory of 4788	4652	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\39657f13c0a91885eb1e38c789fc15e98215f68dfbd1c1bb48db9728199289e5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4652

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\39657f13c0a91885eb1e38c789fc15e98215f68dfbd1c1bb48db9728199289e5.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4788

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

Loading Replay Monitor...

Downloads

memory/4788-114-0x0000000000000000-mapping.dmp

Download
memory/4788-115-0x0000000073C30000-0x0000000073C5E000-memory.dmp

Filesize
184KB

Download
memory/4788-117-0x0000000000800000-0x00000000008AE000-memory.dmp

Filesize
696KB

Download