dridex | 7d1f09ed644fbd815f63f1b3f15c461479e3c28240c3381b25804eea4ed218c7

Analysis

max time kernel
140s
max time network
160s
platform
windows10_x64
resource
win10v20210408
submitted
14-10-2021 07:04

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General

Target

7d1f09ed644fbd815f63f1b3f15c461479e3c28240c3381b25804eea4ed218c7.dll
Size

608KB
MD5

6c07d252f79ddcd463e5d368c13a08ab
SHA1

08547a401c5de08c44d12ecde2d2ed86fe10d798
SHA256

7d1f09ed644fbd815f63f1b3f15c461479e3c28240c3381b25804eea4ed218c7
SHA512

ade8efa81ce840223aa957cc9c870fb539bb3f2bc15c26ab019ea996ee056319483f6cce910e138e7d9bd78aa30551103ffe9eb4bbdb16de1656488bff7b36a9

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

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

29 2792 rundll32.exe
31 2792 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
29	2792	rundll32.exe
31	2792	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 1400 wrote to memory of 2792	1400	rundll32.exe	rundll32.exe
PID 1400 wrote to memory of 2792	1400	rundll32.exe	rundll32.exe
PID 1400 wrote to memory of 2792	1400	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7d1f09ed644fbd815f63f1b3f15c461479e3c28240c3381b25804eea4ed218c7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1400

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7d1f09ed644fbd815f63f1b3f15c461479e3c28240c3381b25804eea4ed218c7.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2792

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/2792-114-0x0000000000000000-mapping.dmp

Download
memory/2792-115-0x0000000000C20000-0x0000000000D54000-memory.dmp

Filesize
1.2MB

Download
memory/2792-117-0x0000000000C20000-0x0000000000D54000-memory.dmp

Filesize
1.2MB

Download
memory/2792-119-0x0000000000C20000-0x0000000000D54000-memory.dmp

Filesize
1.2MB

Download
memory/2792-118-0x0000000000C20000-0x0000000000C5D000-memory.dmp

Filesize
244KB

Download
memory/2792-122-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/2792-121-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/2792-123-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/2792-495-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download