dridex | 88c746373d7e2c1bc02b919acd40f2858473fda5e1c958be271432ebc7fa907f

Analysis

max time kernel
149s
max time network
160s
platform
windows10_x64
resource
win10-en-20210920
submitted
14-10-2021 14:53

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General

Target

88c746373d7e2c1bc02b919acd40f2858473fda5e1c958be271432ebc7fa907f.dll
Size

664KB
MD5

ecce124f58c5d44b6f34a070145f1d0e
SHA1

4f7cab2d72b4ade35913fd1e7599f3f8d0e7e26e
SHA256

88c746373d7e2c1bc02b919acd40f2858473fda5e1c958be271432ebc7fa907f
SHA512

0948a83b4e5e484a8883126fb7f91b1fd52c1c5a4299575c86145136ba647df5545fff02de3f90953a2b441df529434e06f004726f1dee7062083f0a25b95a98

Score

10^/10

dridex 10222 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10222

174.128.245.202:443

51.83.3.52:13786

69.64.50.41:6602

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

34 1188 rundll32.exe
36 1188 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

flow	pid	process
34	1188	rundll32.exe
36	1188	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 1780 wrote to memory of 1188	1780	rundll32.exe	rundll32.exe
PID 1780 wrote to memory of 1188	1780	rundll32.exe	rundll32.exe
PID 1780 wrote to memory of 1188	1780	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\88c746373d7e2c1bc02b919acd40f2858473fda5e1c958be271432ebc7fa907f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1780

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\88c746373d7e2c1bc02b919acd40f2858473fda5e1c958be271432ebc7fa907f.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1188

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1188-115-0x0000000000000000-mapping.dmp

Download
memory/1188-116-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1188-118-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/1188-117-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1188-120-0x0000000003140000-0x0000000003141000-memory.dmp

Filesize
4KB

Download
memory/1188-122-0x0000000003140000-0x0000000003141000-memory.dmp

Filesize
4KB

Download
memory/1188-121-0x0000000003140000-0x0000000003141000-memory.dmp

Filesize
4KB

Download
memory/1188-888-0x0000000003020000-0x000000000316A000-memory.dmp

Filesize
1.3MB

Download