dridex | 7de9999c132bb4b44834a2c3610456cae8ad38c561c26d03e73ff7effd203138

Analysis

max time kernel
143s
max time network
144s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 18:18

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General

Target

7de9999c132bb4b44834a2c3610456cae8ad38c561c26d03e73ff7effd203138.dll
Size

157KB
MD5

b4df5a152627fd240feac17b34eb79d4
SHA1

2702d64c10164b9b6e388be8c7f8d1123f74ea22
SHA256

7de9999c132bb4b44834a2c3610456cae8ad38c561c26d03e73ff7effd203138
SHA512

75eadb49656f8ecf98f473b1c05d5e1e137e4058d44208b2783562250c79d7de29b8d0288a2592c6710ca2f52ac1b3e5e5690b158153a7dd8069619a4431e42a

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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

Processes:

resource	yara_rule
behavioral1/memory/1312-61-0x0000000075410000-0x000000007543D000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1864 wrote to memory of 1312	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1312	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1312	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1312	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1312	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1312	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 1312	1864	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7de9999c132bb4b44834a2c3610456cae8ad38c561c26d03e73ff7effd203138.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1864
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7de9999c132bb4b44834a2c3610456cae8ad38c561c26d03e73ff7effd203138.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1312

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/1312-59-0x0000000000000000-mapping.dmp

Download
memory/1312-60-0x0000000076A81000-0x0000000076A83000-memory.dmp

Filesize
8KB

Download
memory/1312-61-0x0000000075410000-0x000000007543D000-memory.dmp

Filesize
180KB

Download
memory/1312-63-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download