dridex | 4a3efca85ceb89c984b5f5a2bd7114652a6311ab08f676dd1165211b27c8ad41

Analysis

max time kernel
21s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
03/05/2021, 18:12

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General

Target
126bbb06_by_Libranalysis.dll
Size 162KB
Sample210503-2lrpa649ss
SHA256 4a3efca85ceb89c984b5f5a2bd7114652a6311ab08f676dd1165211b27c8ad41
MD5 126bbb06e04cdaa09bafa6587c895af0
SHA1 6115d6ec91fa095a2dc544564f445a3e41b5c8ee
SHA512 d3679d8fa22383595e90e0b17584426dd55ac4a53608bff62999272631692d33b76f033d362608020479621a902d0a59e732852b66ac0693040662d37c7357ac
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

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/960-115-0x0000000073B70000-0x0000000073B9E000-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 2112 wrote to memory of 960	2112	rundll32.exe	70
PID 2112 wrote to memory of 960	2112	rundll32.exe	70
PID 2112 wrote to memory of 960	2112	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\126bbb06_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\126bbb06_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:960

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/960-115-0x0000000073B70000-0x0000000073B9E000-memory.dmp

Download

memory/960-117-0x0000000000D10000-0x0000000000E5A000-memory.dmp