dridex | fa6024b3eec190c03f9b088d715268226bc30146239ea13a9bcdfc258c8b918f

Analysis

max time kernel
25s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 12:06

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General

Target

fa6024b3eec190c03f9b088d715268226bc30146239ea13a9bcdfc258c8b918f.dll
Size

162KB
MD5

718cc9ff105e6863854588c456c98739
SHA1

6d54e7c3af8ef38d6a04193604fb3632c958ffda
SHA256

fa6024b3eec190c03f9b088d715268226bc30146239ea13a9bcdfc258c8b918f
SHA512

09fd828584be49359d1fd2feef9ac32c9bbe9d288b286b23854a5d071a6c7a6a263656533c573d8cf3b50b2f1bf74c29021a84ac241cafd0821743c2b0d95de5

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
behavioral1/memory/1440-115-0x0000000074430000-0x000000007445E000-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 740 wrote to memory of 1440	740	rundll32.exe	rundll32.exe
PID 740 wrote to memory of 1440	740	rundll32.exe	rundll32.exe
PID 740 wrote to memory of 1440	740	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa6024b3eec190c03f9b088d715268226bc30146239ea13a9bcdfc258c8b918f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:740

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa6024b3eec190c03f9b088d715268226bc30146239ea13a9bcdfc258c8b918f.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1440

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/1440-114-0x0000000000000000-mapping.dmp

Download
memory/1440-115-0x0000000074430000-0x000000007445E000-memory.dmp

Filesize
184KB

Download
memory/1440-117-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download