dridex | da2d723c014a47eb97c564b3920ab5f7992adc4da969e8c0fdf20a6c86699114

Analysis

max time kernel
110s
max time network
111s
platform
windows10_x64
resource
win10v20210408
submitted
07/05/2021, 13:02

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General

Target
a7be0403_by_Libranalysis.dll
Size 162KB
Sample210507-25b69acrn6
SHA256 da2d723c014a47eb97c564b3920ab5f7992adc4da969e8c0fdf20a6c86699114
MD5 a7be040379b4f1b0053a8c4a7bebc300
SHA1 ab2005155f6f457185c9a1cbe23ad03745419249
SHA512 43990af5857704954491975e2a6f3d31b2e77e5569c71d79801fd79945240b20528cfa305c2bea0fa0bbefd2fc01f28983ec8b5b1ecf3b915d371280a05b51ed
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/1444-115-0x0000000074440000-0x000000007446E000-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 900 wrote to memory of 1444	900	rundll32.exe	71
PID 900 wrote to memory of 1444	900	rundll32.exe	71
PID 900 wrote to memory of 1444	900	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7be0403_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:900
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7be0403_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1444

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/1444-115-0x0000000074440000-0x000000007446E000-memory.dmp

Download

memory/1444-117-0x0000000000E80000-0x0000000000F2E000-memory.dmp