dridex | 89d98d59f5fc514bf90aa465dedc58d1117a0f24b1095b5896f22e8ae86b5a3c

Analysis

max time kernel
37s
max time network
44s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 22:50

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General

Target

89d98d59f5fc514bf90aa465dedc58d1117a0f24b1095b5896f22e8ae86b5a3c.dll
Size

161KB
MD5

bd4d502332d1c6cd8b7dcb72760d2ede
SHA1

a5ab6f2baaaaa0be038c5409bbb3418d648944b5
SHA256

89d98d59f5fc514bf90aa465dedc58d1117a0f24b1095b5896f22e8ae86b5a3c
SHA512

2502afdd8f161d784f24b6c96a10b2549dd83b4cb907584bdfffd559ad259fb4ba288ada194c638d18389f82c00cb131898e4adc94185108504caabaad49f2f5

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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
behavioral1/memory/3872-115-0x0000000073A10000-0x0000000073A3E000-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 3896 wrote to memory of 3872	3896	rundll32.exe	rundll32.exe
PID 3896 wrote to memory of 3872	3896	rundll32.exe	rundll32.exe
PID 3896 wrote to memory of 3872	3896	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\89d98d59f5fc514bf90aa465dedc58d1117a0f24b1095b5896f22e8ae86b5a3c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3896

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\89d98d59f5fc514bf90aa465dedc58d1117a0f24b1095b5896f22e8ae86b5a3c.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3872

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/3872-114-0x0000000000000000-mapping.dmp

Download
memory/3872-115-0x0000000073A10000-0x0000000073A3E000-memory.dmp

Filesize
184KB

Download
memory/3872-117-0x0000000000EF0000-0x0000000000EF6000-memory.dmp

Filesize
24KB

Download