dridex | c1361ecae64c3dce171d4b137b3d07e9f78c2a6bf5feb92cf90512e107125b26

Analysis

max time kernel
122s
max time network
122s
platform
windows10_x64
resource
win10v20210408
submitted
04/05/2021, 08:01

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General

Target
77fa35f6_by_Libranalysis.dll
Size 162KB
Sample210504-tw5mxrcc5a
SHA256 c1361ecae64c3dce171d4b137b3d07e9f78c2a6bf5feb92cf90512e107125b26
MD5 77fa35f6456019775d3bbf5d95553fc7
SHA1 59511578a143c3608fed62cb819e16ae1aed796f
SHA512 462e7859b7571b2b00b3007aa995e1874b307193bfcf5aec9da85e2448a6e423ed8a30d88f58fab2924c05e04b5022ba061f0b6fe24be89cb266195c54130bcc
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/2156-115-0x0000000073990000-0x00000000739BE000-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 1456 wrote to memory of 2156	1456	rundll32.exe	69
PID 1456 wrote to memory of 2156	1456	rundll32.exe	69
PID 1456 wrote to memory of 2156	1456	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\77fa35f6_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\77fa35f6_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2156

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/2156-115-0x0000000073990000-0x00000000739BE000-memory.dmp

Download

memory/2156-117-0x0000000000960000-0x0000000000AAA000-memory.dmp