dridex | 565971fa3dc4e18cad14cb656d56dcc84b0a8df1d98d4bf5ea93f8ba64ecef3b

Analysis

max time kernel
43s
max time network
53s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 21:48

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General

Target

565971fa3dc4e18cad14cb656d56dcc84b0a8df1d98d4bf5ea93f8ba64ecef3b.dll
Size

161KB
MD5

38ee7c60a62aaa0127b55b304059a642
SHA1

66dc46163cf228175ed1cbf6b8768d578f96139b
SHA256

565971fa3dc4e18cad14cb656d56dcc84b0a8df1d98d4bf5ea93f8ba64ecef3b
SHA512

29e8543208c6e6d0f7c7dbee6a7ab6dfc8d094cdd11d0ac606b73c10937081ea93c0adc69665713f98c245db2e910ef20a16f82d0d016a91cb7e8beb6c290249

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/3260-115-0x0000000073860000-0x000000007388E000-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 1968 wrote to memory of 3260	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 3260	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 3260	1968	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\565971fa3dc4e18cad14cb656d56dcc84b0a8df1d98d4bf5ea93f8ba64ecef3b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1968

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\565971fa3dc4e18cad14cb656d56dcc84b0a8df1d98d4bf5ea93f8ba64ecef3b.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3260

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/3260-114-0x0000000000000000-mapping.dmp

Download
memory/3260-115-0x0000000073860000-0x000000007388E000-memory.dmp

Filesize
184KB

Download
memory/3260-117-0x0000000002890000-0x000000000293E000-memory.dmp

Filesize
696KB

Download