dridex | 829c82cc30caf644006d1d8f69aaeeb2bb82ed621fab280f878630eb06178a28

Analysis

max time kernel
28s
max time network
11s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 15:21

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General

Target

829c82cc30caf644006d1d8f69aaeeb2bb82ed621fab280f878630eb06178a28.dll
Size

161KB
MD5

ec03016a72c7dc8333a3b59d3ce675a5
SHA1

ba909e11100f6c0f06a029b154683ea9768e7322
SHA256

829c82cc30caf644006d1d8f69aaeeb2bb82ed621fab280f878630eb06178a28
SHA512

5e30d22d7629188b55351113158802fc6da2f5f0666a193e647e42920fcb7c11d6f46d09d591896ec5f9296cd5cf82e57173b7d7dc3c41375446710cf02351dc

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/2036-62-0x0000000074680000-0x00000000746AE000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1652 wrote to memory of 2036	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2036	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2036	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2036	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2036	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2036	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2036	1652	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\829c82cc30caf644006d1d8f69aaeeb2bb82ed621fab280f878630eb06178a28.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1652

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\829c82cc30caf644006d1d8f69aaeeb2bb82ed621fab280f878630eb06178a28.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2036

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/2036-60-0x0000000000000000-mapping.dmp

Download
memory/2036-61-0x00000000754F1000-0x00000000754F3000-memory.dmp

Filesize
8KB

Download
memory/2036-62-0x0000000074680000-0x00000000746AE000-memory.dmp

Filesize
184KB

Download
memory/2036-64-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download