dridex | 5175e92dba6e84cfef83539da79bd249980035d3fc761ce31d7dde8a46249b3c

Analysis

max time kernel
85s
max time network
85s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 17:25

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General

Target

5175e92dba6e84cfef83539da79bd249980035d3fc761ce31d7dde8a46249b3c.dll
Size

162KB
MD5

0587b602e33716c5affd672d465e9806
SHA1

7b35540a97f1bc6478e5edd4f842f3c8c54dd6ac
SHA256

5175e92dba6e84cfef83539da79bd249980035d3fc761ce31d7dde8a46249b3c
SHA512

6b9e93c5309d0afc279d678f2c24e4fadd66f5320f6fe2ad4b519b35a75e94e322cdaef88f33fecfb7819b125a23859b52b1ac19e0737a32e738efd16f3d0c28

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/2788-115-0x0000000073A90000-0x0000000073ABE000-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 3904 wrote to memory of 2788	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 2788	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 2788	3904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5175e92dba6e84cfef83539da79bd249980035d3fc761ce31d7dde8a46249b3c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5175e92dba6e84cfef83539da79bd249980035d3fc761ce31d7dde8a46249b3c.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2788

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/2788-114-0x0000000000000000-mapping.dmp

Download
memory/2788-115-0x0000000073A90000-0x0000000073ABE000-memory.dmp

Filesize
184KB

Download
memory/2788-117-0x0000000002FF0000-0x0000000002FF6000-memory.dmp

Filesize
24KB

Download