dridex | bff76d79cb5ebf7c2d171d265399e27ddc9494fd5d369cef63928b532751dd23

Analysis

max time kernel
41s
max time network
49s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:07

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General

Target

bff76d79cb5ebf7c2d171d265399e27ddc9494fd5d369cef63928b532751dd23.dll
Size

157KB
MD5

823868adfaa675feb27d75b8ef3aea66
SHA1

1e9d88a6d486e45584d9cf40c550a8126dbd8312
SHA256

bff76d79cb5ebf7c2d171d265399e27ddc9494fd5d369cef63928b532751dd23
SHA512

5beea4e387db7c492e727e64d439d2519be25245ee83eb786929e13d50854b792fe14f350fce8f593d736e91b597fe4ece7eb739ff7a73169918916bd46bf5b0

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/3700-115-0x0000000073EE0000-0x0000000073F0D000-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 4060 wrote to memory of 3700	4060	rundll32.exe	rundll32.exe
PID 4060 wrote to memory of 3700	4060	rundll32.exe	rundll32.exe
PID 4060 wrote to memory of 3700	4060	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bff76d79cb5ebf7c2d171d265399e27ddc9494fd5d369cef63928b532751dd23.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4060

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bff76d79cb5ebf7c2d171d265399e27ddc9494fd5d369cef63928b532751dd23.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3700

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/3700-114-0x0000000000000000-mapping.dmp

Download
memory/3700-115-0x0000000073EE0000-0x0000000073F0D000-memory.dmp

Filesize
180KB

Download
memory/3700-117-0x0000000003400000-0x0000000003406000-memory.dmp

Filesize
24KB

Download