dridex | bc0254bb6e7a9a3fc394b95a50e6eb1b8471edad93faa0b216ff7409fc9be284

Analysis

max time kernel
109s
max time network
109s
platform
windows10_x64
resource
win10v20210408
submitted
03/05/2021, 16:14

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General

Target
3b2ccdc4_by_Libranalysis.dll
Size 158KB
Sample210503-9psdr6anzj
SHA256 bc0254bb6e7a9a3fc394b95a50e6eb1b8471edad93faa0b216ff7409fc9be284
MD5 3b2ccdc4c3494742fbb9edbf18bb0cab
SHA1 6b6c8790ba5c23d351c7e6c401bf86142619c04c
SHA512 44cfbad1abd905a4443793c871105466a937daa4c9f56d24a2b72d0f3eaaa31edbd0615f55fc4f1e4bd3d43f4e2d831f0dd3382b76f034733c3946c35af2bbd6
MD5 SHA1 SHA512

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443
72.249.22.245:2303
188.40.137.206:8172

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

resource	yara_rule
behavioral2/memory/2144-115-0x0000000073A70000-0x0000000073A9D000-memory.dmp	dridex_ldr

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 3 IoCs

description	pid	Process	procid_target
PID 660 wrote to memory of 2144	660	rundll32.exe	70
PID 660 wrote to memory of 2144	660	rundll32.exe	70
PID 660 wrote to memory of 2144	660	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b2ccdc4_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:660
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b2ccdc4_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2144

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2144-115-0x0000000073A70000-0x0000000073A9D000-memory.dmp

Download

memory/2144-117-0x0000000000600000-0x000000000074A000-memory.dmp