dridex | 051a9dfb36c346796dd4cb3f52320ec05e2dd7165fb5ee9ea06e95725872912c

Analysis

max time kernel
82s
max time network
83s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:07

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General

Target

051a9dfb36c346796dd4cb3f52320ec05e2dd7165fb5ee9ea06e95725872912c.dll
Size

154KB
MD5

1d55ee51222c50a41620861a15ef9c30
SHA1

a360efd86b64e249209220b7d3244d6ddf288415
SHA256

051a9dfb36c346796dd4cb3f52320ec05e2dd7165fb5ee9ea06e95725872912c
SHA512

13991bebfe6eed26e12df6f1bb4c9d09193909608650945df84c1edd2adeb8c270f2c7cfcfcab61ef9823cbd9085de4b80990f4cc99ee5019e6b1bf5207c4188

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/1724-115-0x0000000073A90000-0x0000000073ABD000-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 3904 wrote to memory of 1724	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 1724	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 1724	3904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\051a9dfb36c346796dd4cb3f52320ec05e2dd7165fb5ee9ea06e95725872912c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\051a9dfb36c346796dd4cb3f52320ec05e2dd7165fb5ee9ea06e95725872912c.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1724

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

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Downloads

memory/1724-114-0x0000000000000000-mapping.dmp

Download
memory/1724-115-0x0000000073A90000-0x0000000073ABD000-memory.dmp

Filesize
180KB

Download
memory/1724-117-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download