dridex | 6fdb260934f43d3f40feb85f3155b092972d2368b6a9b96dde0d7d57f1db4c0a

Analysis

max time kernel
49s
max time network
60s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 22:58

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General

Target

6fdb260934f43d3f40feb85f3155b092972d2368b6a9b96dde0d7d57f1db4c0a.dll
Size

162KB
MD5

21181858f1e542ffc88fdebde018d9f9
SHA1

1dc72a46cf50232449794d17f4320bb1bb5b5d85
SHA256

6fdb260934f43d3f40feb85f3155b092972d2368b6a9b96dde0d7d57f1db4c0a
SHA512

20c53e592c81cf33d489e060db254dc5397d939c315893a26424bdc845803c805744cb685ea2733706fb2d64d136fba2d89cdbc150a68f7e1fac148291367256

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/1336-115-0x0000000074430000-0x000000007445E000-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 808 wrote to memory of 1336	808	rundll32.exe	rundll32.exe
PID 808 wrote to memory of 1336	808	rundll32.exe	rundll32.exe
PID 808 wrote to memory of 1336	808	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6fdb260934f43d3f40feb85f3155b092972d2368b6a9b96dde0d7d57f1db4c0a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:808

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6fdb260934f43d3f40feb85f3155b092972d2368b6a9b96dde0d7d57f1db4c0a.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1336

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/1336-114-0x0000000000000000-mapping.dmp

Download
memory/1336-115-0x0000000074430000-0x000000007445E000-memory.dmp

Filesize
184KB

Download
memory/1336-117-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download