dridex | 9c26c49ad09c11b3e0ed5f892137a4c4ee49f07f13b01d8888f848712e0cedd9

Analysis

max time kernel
150s
max time network
153s
platform
windows10_x64
resource
win10v20210408
submitted
14-10-2021 07:04

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General

Target

9c26c49ad09c11b3e0ed5f892137a4c4ee49f07f13b01d8888f848712e0cedd9.dll
Size

608KB
MD5

7c75742428dd7d9da00567dcb444a63c
SHA1

d17235fcba8d8e74aa8dc26214fe3d82253328a8
SHA256

9c26c49ad09c11b3e0ed5f892137a4c4ee49f07f13b01d8888f848712e0cedd9
SHA512

d31d90ed6878ad273abf18318946ceb787d68cfb8cb642bd2ebfd5c0028c33cf044e82cd978094878175865fc78a7c640911d995287fbffceb6d35058aa0340c

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

31 1736 rundll32.exe
32 1736 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
31	1736	rundll32.exe
32	1736	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 568 wrote to memory of 1736	568	rundll32.exe	rundll32.exe
PID 568 wrote to memory of 1736	568	rundll32.exe	rundll32.exe
PID 568 wrote to memory of 1736	568	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9c26c49ad09c11b3e0ed5f892137a4c4ee49f07f13b01d8888f848712e0cedd9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:568

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9c26c49ad09c11b3e0ed5f892137a4c4ee49f07f13b01d8888f848712e0cedd9.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1736

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/1736-114-0x0000000000000000-mapping.dmp

Download
memory/1736-115-0x0000000004220000-0x0000000004354000-memory.dmp

Filesize
1.2MB

Download
memory/1736-117-0x0000000004220000-0x0000000004354000-memory.dmp

Filesize
1.2MB

Download
memory/1736-118-0x0000000004220000-0x000000000425D000-memory.dmp

Filesize
244KB

Download
memory/1736-119-0x0000000004220000-0x0000000004354000-memory.dmp

Filesize
1.2MB

Download
memory/1736-121-0x0000000002950000-0x0000000002951000-memory.dmp

Filesize
4KB

Download
memory/1736-123-0x0000000002950000-0x0000000002951000-memory.dmp

Filesize
4KB

Download
memory/1736-122-0x0000000002950000-0x0000000002951000-memory.dmp

Filesize
4KB

Download
memory/1736-584-0x0000000002940000-0x0000000002941000-memory.dmp

Filesize
4KB

Download