dridex | efb4cfd20e07a5cc7c90699c9f9c881b72d4743ec3d5d5d9d93b010f2431b345

Analysis

max time kernel
32s
max time network
35s
platform
windows7_x64
resource
win7v20210408
submitted
03/05/2021, 02:01

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General

Target
7c8af91a_by_Libranalysis.dll
Size 162KB
Sample210503-eef5p3msv6
SHA256 efb4cfd20e07a5cc7c90699c9f9c881b72d4743ec3d5d5d9d93b010f2431b345
MD5 7c8af91a73792191c8be7c1e98fe1298
SHA1 c24895f3369f4f09116c04d524e2fb8cbe3258e0
SHA512 b5c006b25fb07f3b79bf83ea123a709ffcf54ec55a8d402bace11e2a598e463d3be384417b824f11fc0968f974cc8d4b83bce467afaa969553c4952e794446a0
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
behavioral1/memory/2040-62-0x0000000074760000-0x000000007478E000-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 7 IoCs

description	pid	Process	procid_target
PID 1828 wrote to memory of 2040	1828	rundll32.exe	25
PID 1828 wrote to memory of 2040	1828	rundll32.exe	25
PID 1828 wrote to memory of 2040	1828	rundll32.exe	25
PID 1828 wrote to memory of 2040	1828	rundll32.exe	25
PID 1828 wrote to memory of 2040	1828	rundll32.exe	25
PID 1828 wrote to memory of 2040	1828	rundll32.exe	25
PID 1828 wrote to memory of 2040	1828	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7c8af91a_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1828
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7c8af91a_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2040

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

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Downloads

memory/2040-61-0x0000000075511000-0x0000000075513000-memory.dmp

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memory/2040-62-0x0000000074760000-0x000000007478E000-memory.dmp

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memory/2040-64-0x0000000000200000-0x0000000000206000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads