dridex | 2bede6dbbdd845239a3cabd39e59f9a8e12d42623d86bc98f74c9a6372c973cd

General

Target

2bede6dbbdd845239a3cabd39e59f9a8e12d42623d86bc98f74c9a6372c973cd.dll
Size

503KB
MD5

385a727cf2627cf35f6e822bd23af7dd
SHA1

9b8b059fcd94ba413f3ef65ee8c97a2b660a801e
SHA256

2bede6dbbdd845239a3cabd39e59f9a8e12d42623d86bc98f74c9a6372c973cd
SHA512

33db39d8b5118f4474feda89146ad32b15be39aa0cd87c78ea516c106af741157027758331b39e47f9974404d3c03a44348e451cb9bcad84d8bcc85b207b44b4

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

172.86.186.21:443

103.1.185.227:3889

195.201.128.184:4443

77.81.226.88:3074

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2012-4-0x00000000002C0000-0x00000000002FD000-memory.dmp	dridex_ldr
behavioral1/memory/2012-6-0x00000000002C0000-0x00000000002FD000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 2012 rundll32.exe
8 2012 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
5	2012	rundll32.exe
8	2012	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 1596 wrote to memory of 2012	1596	rundll32.exe	rundll32.exe
PID 1596 wrote to memory of 2012	1596	rundll32.exe	rundll32.exe
PID 1596 wrote to memory of 2012	1596	rundll32.exe	rundll32.exe
PID 1596 wrote to memory of 2012	1596	rundll32.exe	rundll32.exe
PID 1596 wrote to memory of 2012	1596	rundll32.exe	rundll32.exe
PID 1596 wrote to memory of 2012	1596	rundll32.exe	rundll32.exe
PID 1596 wrote to memory of 2012	1596	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2bede6dbbdd845239a3cabd39e59f9a8e12d42623d86bc98f74c9a6372c973cd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1596

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2bede6dbbdd845239a3cabd39e59f9a8e12d42623d86bc98f74c9a6372c973cd.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2012

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1764-7-0x000007FEF7540000-0x000007FEF77BA000-memory.dmp

Filesize
2.5MB

Download
memory/2012-2-0x0000000000000000-mapping.dmp

Download
memory/2012-3-0x0000000075781000-0x0000000075783000-memory.dmp

Filesize
8KB

Download
memory/2012-4-0x00000000002C0000-0x00000000002FD000-memory.dmp

Filesize
244KB

Download
memory/2012-5-0x00000000001A0000-0x00000000001EB000-memory.dmp

Filesize
300KB

Download
memory/2012-6-0x00000000002C0000-0x00000000002FD000-memory.dmp

Filesize
244KB

Download

Analysis

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