dridex | b5e79cd3d4498d1ea1d688b72c4ecf8eb4493245faefc4bfb7449f4cfbccff61

Analysis

max time kernel
27s
max time network
10s
platform
windows7_x64
resource
win7v20210408
submitted
17/04/2021, 04:17

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General

Target
b5e79cd3d4498d1ea1d688b72c4ecf8eb4493245faefc4bfb7449f4cfbccff61.dll
Size 162KB
Sample210417-e8grzvk11s
SHA256 b5e79cd3d4498d1ea1d688b72c4ecf8eb4493245faefc4bfb7449f4cfbccff61
MD5 dbf9cdbe1e3ef658845ab0839819ccf9
SHA1 b25b391532303ec97ff31b1a34e6ea0dc6843aa1
SHA512 91e91184823352145d5ab774ce3689c300a262341d15657566adec5358592b65176f675541c492097bbbe79475c84a17a4895e54066060451d083fa0bcc2643c
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/1620-62-0x0000000074B70000-0x0000000074B9E000-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 108 wrote to memory of 1620	108	rundll32.exe	25
PID 108 wrote to memory of 1620	108	rundll32.exe	25
PID 108 wrote to memory of 1620	108	rundll32.exe	25
PID 108 wrote to memory of 1620	108	rundll32.exe	25
PID 108 wrote to memory of 1620	108	rundll32.exe	25
PID 108 wrote to memory of 1620	108	rundll32.exe	25
PID 108 wrote to memory of 1620	108	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5e79cd3d4498d1ea1d688b72c4ecf8eb4493245faefc4bfb7449f4cfbccff61.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:108
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5e79cd3d4498d1ea1d688b72c4ecf8eb4493245faefc4bfb7449f4cfbccff61.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1620

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/1620-61-0x0000000075AF1000-0x0000000075AF3000-memory.dmp

Download

memory/1620-62-0x0000000074B70000-0x0000000074B9E000-memory.dmp

Download

memory/1620-64-0x0000000000210000-0x0000000000216000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads