dridex | 3517996f255ea3995167f9cbc278eb726f3106b99126a82f4ee2c01b79ac697a

Analysis

max time kernel
123s
max time network
122s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 16:36

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General

Target

3517996f255ea3995167f9cbc278eb726f3106b99126a82f4ee2c01b79ac697a.dll
Size

162KB
MD5

6a717b2993d7d462a3dee2358445e915
SHA1

e709e1c067ec89eb83d1f6abecfe549a98f3409c
SHA256

3517996f255ea3995167f9cbc278eb726f3106b99126a82f4ee2c01b79ac697a
SHA512

4cc7e7188962295dafe8f8b1ebae7d1c58836e8ef55b079a73b1290ef73a52b8ae0ca9f144947e67a9d6702cb365c3ea3469b2615353ccd9b00ff9ffae8c51da

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/2016-61-0x0000000074530000-0x000000007455E000-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 1240 wrote to memory of 2016	1240	rundll32.exe	rundll32.exe
PID 1240 wrote to memory of 2016	1240	rundll32.exe	rundll32.exe
PID 1240 wrote to memory of 2016	1240	rundll32.exe	rundll32.exe
PID 1240 wrote to memory of 2016	1240	rundll32.exe	rundll32.exe
PID 1240 wrote to memory of 2016	1240	rundll32.exe	rundll32.exe
PID 1240 wrote to memory of 2016	1240	rundll32.exe	rundll32.exe
PID 1240 wrote to memory of 2016	1240	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3517996f255ea3995167f9cbc278eb726f3106b99126a82f4ee2c01b79ac697a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1240

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3517996f255ea3995167f9cbc278eb726f3106b99126a82f4ee2c01b79ac697a.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2016

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/2016-59-0x0000000000000000-mapping.dmp

Download
memory/2016-60-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download
memory/2016-61-0x0000000074530000-0x000000007455E000-memory.dmp

Filesize
184KB

Download
memory/2016-63-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download