dridex | 5b6bf41fc2ada009b1296125e47416219cb09d4f27aea7ac4ab75e055fcf448e

Analysis

max time kernel
46s
max time network
54s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 22:11

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General

Target

5b6bf41fc2ada009b1296125e47416219cb09d4f27aea7ac4ab75e055fcf448e.dll
Size

162KB
MD5

5a6ad69405a38928b16c2ff9d170c08e
SHA1

9815c0a463525a5675164d18aa36646a57ae42d4
SHA256

5b6bf41fc2ada009b1296125e47416219cb09d4f27aea7ac4ab75e055fcf448e
SHA512

1cd73976395fbc3c0fcb3beb203ef3d10ac512a608c495d6ff7ee7085fb07cb8b5944bcd334b25ece9687e688a3cbd5afb4f5dfa0771b70aa3068c20609da878

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/1268-115-0x0000000073FB0000-0x0000000073FDE000-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 668 wrote to memory of 1268	668	rundll32.exe	rundll32.exe
PID 668 wrote to memory of 1268	668	rundll32.exe	rundll32.exe
PID 668 wrote to memory of 1268	668	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b6bf41fc2ada009b1296125e47416219cb09d4f27aea7ac4ab75e055fcf448e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:668

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b6bf41fc2ada009b1296125e47416219cb09d4f27aea7ac4ab75e055fcf448e.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1268

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/1268-114-0x0000000000000000-mapping.dmp

Download
memory/1268-115-0x0000000073FB0000-0x0000000073FDE000-memory.dmp

Filesize
184KB

Download
memory/1268-117-0x0000000003010000-0x000000000315A000-memory.dmp

Filesize
1.3MB

Download