dridex | 469ffa8513bae4dda107dc8f20273f930ccd02c08ba38b5d7166c8f99f12b5b0

General

Target

9a58955c8271d01454ce5e770017487e.dll
Size

750KB
MD5

9a58955c8271d01454ce5e770017487e
SHA1

2169c63d3195e44ea21da0a847729e7a1d55f671
SHA256

469ffa8513bae4dda107dc8f20273f930ccd02c08ba38b5d7166c8f99f12b5b0
SHA512

3d7bad97a18a26304df188167b39d30d32b7e6d88f75c3350d22773feae4a47d7653578cff10f9a958d785f0356111f6961f0ab96f6311b592b76ab531cdbaba

Score

10^/10

dridex 10555 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10555

C2

192.46.210.220:443

143.244.140.214:808

45.77.0.96:6891

185.56.219.47:8116

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

23 4004 rundll32.exe
24 4004 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
23	4004	rundll32.exe
24	4004	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 4040 wrote to memory of 4004	4040	rundll32.exe	rundll32.exe
PID 4040 wrote to memory of 4004	4040	rundll32.exe	rundll32.exe
PID 4040 wrote to memory of 4004	4040	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a58955c8271d01454ce5e770017487e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4040

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a58955c8271d01454ce5e770017487e.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:4004

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/4004-115-0x0000000000000000-mapping.dmp

Download
memory/4004-116-0x00000000741F0000-0x00000000742B9000-memory.dmp

Filesize
804KB

Download
memory/4004-118-0x00000000741F0000-0x00000000742B9000-memory.dmp

Filesize
804KB

Download
memory/4004-117-0x00000000741F0000-0x000000007422D000-memory.dmp

Filesize
244KB

Download
memory/4004-120-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/4004-122-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4004-121-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/4004-123-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download

Analysis

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