dridex | f9bff899ea43edd44e7228a8dae85a002625c7d04fc889accfc4529164588853

Analysis

max time kernel
84s
max time network
86s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 22:46

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General

Target

f9bff899ea43edd44e7228a8dae85a002625c7d04fc889accfc4529164588853.dll
Size

154KB
MD5

3cb57fc9dfeba2d661c3c5b6d0d1a6b6
SHA1

3e6804246f724de76c63b8fbfb82035f328c1b0b
SHA256

f9bff899ea43edd44e7228a8dae85a002625c7d04fc889accfc4529164588853
SHA512

3e62c043eb285fbfe2c14fa3828af781b7d0cd7ce711380c662607b8cd2f79fb7e75bcecd66b72b7b8e3866c85527ec2942349b28adec11d7068d5d2ec97834a

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/3108-115-0x0000000073530000-0x000000007355D000-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 4024 wrote to memory of 3108	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 3108	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 3108	4024	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9bff899ea43edd44e7228a8dae85a002625c7d04fc889accfc4529164588853.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9bff899ea43edd44e7228a8dae85a002625c7d04fc889accfc4529164588853.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3108

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/3108-114-0x0000000000000000-mapping.dmp

Download
memory/3108-115-0x0000000073530000-0x000000007355D000-memory.dmp

Filesize
180KB

Download
memory/3108-117-0x0000000002750000-0x000000000289A000-memory.dmp

Filesize
1.3MB

Download