dridex | 2fb6b7b145304aa8bf8a5361c37e2f4c76aca2b481478a8b2508fa8992023558

Analysis

max time kernel
24s
max time network
32s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 23:12

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General

Target

2fb6b7b145304aa8bf8a5361c37e2f4c76aca2b481478a8b2508fa8992023558.dll
Size

162KB
MD5

2050371ebfc48785969aeeae7f44b552
SHA1

151fc64df042fa87021965ccc4c03e45a81ea926
SHA256

2fb6b7b145304aa8bf8a5361c37e2f4c76aca2b481478a8b2508fa8992023558
SHA512

07a779da0c52d12b05720a4aa41d41b4f22e546c72550316ac8122fe787418e630129d8feeb9d2970105957108d4c885aa285b35716ead0d7888a405fac0e597

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/3244-115-0x00000000739D0000-0x00000000739FE000-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 1736 wrote to memory of 3244	1736	rundll32.exe	rundll32.exe
PID 1736 wrote to memory of 3244	1736	rundll32.exe	rundll32.exe
PID 1736 wrote to memory of 3244	1736	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2fb6b7b145304aa8bf8a5361c37e2f4c76aca2b481478a8b2508fa8992023558.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1736

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2fb6b7b145304aa8bf8a5361c37e2f4c76aca2b481478a8b2508fa8992023558.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3244

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/3244-114-0x0000000000000000-mapping.dmp

Download
memory/3244-115-0x00000000739D0000-0x00000000739FE000-memory.dmp

Filesize
184KB

Download
memory/3244-117-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download