dridex | d27baeec8116170aa2471d1eac8bf30447841d953a83b3478e6b610757ff5c72

Analysis

max time kernel
146s
max time network
148s
platform
windows10_x64
resource
win10v20210408
submitted
11-05-2021 12:04

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General

Target

208a5524_by_Libranalysis.dll
Size

162KB
MD5

208a55243ca78ac6e31f2f22f2e40fce
SHA1

23ca0f5dfe499ea2f265ba32762d17a9f2416d0e
SHA256

d27baeec8116170aa2471d1eac8bf30447841d953a83b3478e6b610757ff5c72
SHA512

1c5ee0c318ba1c5f1b6d0427b30d1ef9a8eaf62fa5876971f23088f7b8a3dc814876054cffedf757e43357ee7567061b228864f33997e6bd7935e59d408d2a0c

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

Processes:

resource	yara_rule
behavioral2/memory/2064-115-0x0000000073990000-0x00000000739BE000-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 1456 wrote to memory of 2064	1456	rundll32.exe	rundll32.exe
PID 1456 wrote to memory of 2064	1456	rundll32.exe	rundll32.exe
PID 1456 wrote to memory of 2064	1456	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\208a5524_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1456

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\208a5524_by_Libranalysis.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2064

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/2064-114-0x0000000000000000-mapping.dmp

Download
memory/2064-115-0x0000000073990000-0x00000000739BE000-memory.dmp

Filesize
184KB

Download
memory/2064-117-0x0000000000920000-0x0000000000926000-memory.dmp

Filesize
24KB

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