dridex | 0be38e2beca10be18da5711dd49430fd3f427c857fc4b9d05c42de9d95801cad

Analysis

max time kernel
126s
max time network
133s
platform
windows7_x64
resource
win7v20201028
submitted
05-11-2020 23:15

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General

Target

4801b61a1dc7a14b4c2efc9840a933b7dbfc595cca11bca2632f7e59a0624c65.dll

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

195.154.237.245:443

46.105.131.73:8172

91.238.160.158:18443

213.183.128.99:3786

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1484-1-0x0000000000680000-0x00000000006BD000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

4 1484 rundll32.exe
7 1484 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
4	1484	rundll32.exe
7	1484	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 1688 wrote to memory of 1484	1688	rundll32.exe	rundll32.exe
PID 1688 wrote to memory of 1484	1688	rundll32.exe	rundll32.exe
PID 1688 wrote to memory of 1484	1688	rundll32.exe	rundll32.exe
PID 1688 wrote to memory of 1484	1688	rundll32.exe	rundll32.exe
PID 1688 wrote to memory of 1484	1688	rundll32.exe	rundll32.exe
PID 1688 wrote to memory of 1484	1688	rundll32.exe	rundll32.exe
PID 1688 wrote to memory of 1484	1688	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4801b61a1dc7a14b4c2efc9840a933b7dbfc595cca11bca2632f7e59a0624c65.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1688

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4801b61a1dc7a14b4c2efc9840a933b7dbfc595cca11bca2632f7e59a0624c65.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1484

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1484-0-0x0000000000000000-mapping.dmp

Download
memory/1484-1-0x0000000000680000-0x00000000006BD000-memory.dmp

Filesize
244KB

Download
memory/1704-2-0x000007FEF7080000-0x000007FEF72FA000-memory.dmp

Filesize
2.5MB

Download