dridex | bb91fa31f6aa82b01660fc9a4e787ce2dad9316a1a19b1d19005f4766043fc77

Analysis

max time kernel
25s
max time network
72s
platform
windows10_x64
resource
win10v20210410
submitted
07/05/2021, 09:02

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General

Target
65d75e22_by_Libranalysis.dll
Size 162KB
Sample210507-5sf513rmve
SHA256 bb91fa31f6aa82b01660fc9a4e787ce2dad9316a1a19b1d19005f4766043fc77
MD5 65d75e221b70fd22c7676956bab40654
SHA1 d96822dc96909a811e7cbb82dc1d1b771ece8a49
SHA512 2d23f1eefa5faaac4979c0710a5df73896aba6843ca95943c93b7286e72569324d749df8dc7590d558c8f91857402a0bb028dcd7f0cf133e6ce7c771d51dd8c0
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/3208-115-0x0000000073F20000-0x0000000073F4E000-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 4052 wrote to memory of 3208	4052	rundll32.exe	70
PID 4052 wrote to memory of 3208	4052	rundll32.exe	70
PID 4052 wrote to memory of 3208	4052	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\65d75e22_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\65d75e22_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3208

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/3208-115-0x0000000073F20000-0x0000000073F4E000-memory.dmp

Download

memory/3208-117-0x0000000000FF0000-0x0000000000FF6000-memory.dmp