dridex | 219d94a4d5b1f71b1ffd25e91dc1b4b1ace43a8eeff7a4936d4b882a053f9505

Analysis

max time kernel
33s
max time network
8s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 18:43

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General

Target

219d94a4d5b1f71b1ffd25e91dc1b4b1ace43a8eeff7a4936d4b882a053f9505.dll
Size

154KB
MD5

00b37ed97d88185e365fab2b83ac1158
SHA1

da6db32e3a5650d3e84071ed7df88237d4e1d68f
SHA256

219d94a4d5b1f71b1ffd25e91dc1b4b1ace43a8eeff7a4936d4b882a053f9505
SHA512

7eae95c333f6a6ec1c069b71e7b1797c4756c6ee9f1359ff78a722823f0c2ba4364687803063f016f7e811e77cd4214d72ebd97153fe6bb88194862c60a4f24d

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/1408-61-0x0000000074A90000-0x0000000074ABD000-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 788 wrote to memory of 1408	788	rundll32.exe	rundll32.exe
PID 788 wrote to memory of 1408	788	rundll32.exe	rundll32.exe
PID 788 wrote to memory of 1408	788	rundll32.exe	rundll32.exe
PID 788 wrote to memory of 1408	788	rundll32.exe	rundll32.exe
PID 788 wrote to memory of 1408	788	rundll32.exe	rundll32.exe
PID 788 wrote to memory of 1408	788	rundll32.exe	rundll32.exe
PID 788 wrote to memory of 1408	788	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\219d94a4d5b1f71b1ffd25e91dc1b4b1ace43a8eeff7a4936d4b882a053f9505.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:788

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\219d94a4d5b1f71b1ffd25e91dc1b4b1ace43a8eeff7a4936d4b882a053f9505.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1408

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/1408-59-0x0000000000000000-mapping.dmp

Download
memory/1408-60-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download
memory/1408-61-0x0000000074A90000-0x0000000074ABD000-memory.dmp

Filesize
180KB

Download
memory/1408-63-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download