dridex | 3339b6583d38272cebd9ebfb71b3b0d582111dd144bad01574f6301e66df3249

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
18-04-2022 15:31

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General

Target

3339b6583d38272cebd9ebfb71b3b0d582111dd144bad01574f6301e66df3249.dll
Size

1.6MB
MD5

230191db3261029a7a170936d783ed59
SHA1

54bf5e9e7d0e84e9eaa9539f109b165df55e72c9
SHA256

3339b6583d38272cebd9ebfb71b3b0d582111dd144bad01574f6301e66df3249
SHA512

6fac72dd92550dfc29a7c86cc7fb45d49649874908021eab652f308431323191a21c618008cb9c57a47be3cf5e2105f003b7ac142f3029febe100ed83a149d16

Score

10^/10

dridex 10555 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10555

77.220.64.55:443

51.254.163.104:1688

165.22.65.75:3388

103.41.110.115:33443

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 1 IoCs

Processes:

rundll32.exe

flow pid process

9 1980 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
9	1980	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 2424 wrote to memory of 1980	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 1980	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 1980	2424	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3339b6583d38272cebd9ebfb71b3b0d582111dd144bad01574f6301e66df3249.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2424

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3339b6583d38272cebd9ebfb71b3b0d582111dd144bad01574f6301e66df3249.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1980

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/1980-130-0x0000000000000000-mapping.dmp

Download
memory/1980-131-0x0000000074FB0000-0x0000000074FED000-memory.dmp

Filesize
244KB

Download
memory/1980-132-0x0000000074FB0000-0x000000007515A000-memory.dmp

Filesize
1.7MB

Download
memory/1980-134-0x0000000074FB0000-0x000000007515A000-memory.dmp

Filesize
1.7MB

Download