dridex | 4f5901c8b5d8214a2628b89dafbff14250ca7938932bcfddc16c7fad597903d2

Analysis

max time kernel
46s
max time network
54s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4f5901c8b5d8214a2628b89dafbff14250ca7938932bcfddc16c7fad597903d2.dll
Size

154KB
MD5

5579ca7551049d00e42c855ec7fb3f7c
SHA1

e399698666c981ea138861e51465c6aa0f33c576
SHA256

4f5901c8b5d8214a2628b89dafbff14250ca7938932bcfddc16c7fad597903d2
SHA512

80d74b063e6730520450798034b3082a8596f2a2d2558cb71a61ddb90bb96bf8719b4db9cdd7aad3dd34ba440832bcd533abb9a2a2ccf3e36255611d13728dae

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/656-115-0x0000000074400000-0x000000007442D000-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 784 wrote to memory of 656	784	rundll32.exe	rundll32.exe
PID 784 wrote to memory of 656	784	rundll32.exe	rundll32.exe
PID 784 wrote to memory of 656	784	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f5901c8b5d8214a2628b89dafbff14250ca7938932bcfddc16c7fad597903d2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:784

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f5901c8b5d8214a2628b89dafbff14250ca7938932bcfddc16c7fad597903d2.dll,#1
2⤵
- Checks whether UAC is enabled
PID:656

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/656-114-0x0000000000000000-mapping.dmp

Download
memory/656-115-0x0000000074400000-0x000000007442D000-memory.dmp

Filesize
180KB

Download
memory/656-117-0x00000000011B0000-0x00000000011B6000-memory.dmp

Filesize
24KB

Download