dridex | 05807cb4a338d25da2da063ed242f25d9747d5eaa77bfc8db5b027a710ffffed

General

Target
25550ccc81a3d52fcdb0399192cb10af.dll
Size 750KB
Sample211027-sb6c8ahbfl
SHA256 05807cb4a338d25da2da063ed242f25d9747d5eaa77bfc8db5b027a710ffffed
MD5 25550ccc81a3d52fcdb0399192cb10af
SHA1 2710038b1e6c4bf35ab8d6eb47c18f5b81fc7ac5
SHA512 96544d4680f2055e796b0961299cbff2b0a6abb17738f920b50b104afcbcc97b2de975e74f8e6f38c1b7e97f9a9460b3192dc2cfdec329fdfa69fb83027ca5f2
MD5 SHA1 SHA512

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

flow	pid	Process
3	1564	rundll32.exe
6	1564	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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 1564	1680	rundll32.exe	27
PID 1680 wrote to memory of 1564	1680	rundll32.exe	27
PID 1680 wrote to memory of 1564	1680	rundll32.exe	27
PID 1680 wrote to memory of 1564	1680	rundll32.exe	27
PID 1680 wrote to memory of 1564	1680	rundll32.exe	27
PID 1680 wrote to memory of 1564	1680	rundll32.exe	27
PID 1680 wrote to memory of 1564	1680	rundll32.exe	27

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\25550ccc81a3d52fcdb0399192cb10af.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\25550ccc81a3d52fcdb0399192cb10af.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1564

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1564-55-0x0000000075821000-0x0000000075823000-memory.dmp

Download

memory/1564-56-0x0000000074CF0000-0x0000000074DB9000-memory.dmp

Download

memory/1564-58-0x0000000074CF0000-0x0000000074DB9000-memory.dmp

Download

memory/1564-57-0x0000000074CF0000-0x0000000074D2D000-memory.dmp

Download

memory/1564-60-0x00000000001E0000-0x00000000001E1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads