dridex | 66f7037ce8dfb76f23c19fde807d8bc4687d523f35785062e58438a8e825b6e6

Analysis

max time kernel
70s
max time network
76s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:17

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

66f7037ce8dfb76f23c19fde807d8bc4687d523f35785062e58438a8e825b6e6.dll
Size

154KB
MD5

57a1620ec182b9684cd814e58fa97f77
SHA1

6efd89ce734990cbb3c4f2a84309db30e725fb9f
SHA256

66f7037ce8dfb76f23c19fde807d8bc4687d523f35785062e58438a8e825b6e6
SHA512

a9ea72af11943c84b3c8bc2360a3d1fc4df0cd0ff4200b4d92a87fb4a19f33a3dff93fcbfb78cdf6a10031d1ef34c0b2537fc68e6be5fdca7c9216ea44fc8846

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/1532-115-0x0000000073F50000-0x0000000073F7D000-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 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1148 wrote to memory of 1532	1148	rundll32.exe	rundll32.exe
PID 1148 wrote to memory of 1532	1148	rundll32.exe	rundll32.exe
PID 1148 wrote to memory of 1532	1148	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\66f7037ce8dfb76f23c19fde807d8bc4687d523f35785062e58438a8e825b6e6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1148

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\66f7037ce8dfb76f23c19fde807d8bc4687d523f35785062e58438a8e825b6e6.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1532

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1532-114-0x0000000000000000-mapping.dmp

Download
memory/1532-115-0x0000000073F50000-0x0000000073F7D000-memory.dmp

Filesize
180KB

Download
memory/1532-117-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download