dridex | 7fb87fb231aad342a8cdd6c2d7defc85542415fa85b18f571f58688d65e95d20

Analysis

max time kernel
27s
max time network
11s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 13:43

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General

Target

7fb87fb231aad342a8cdd6c2d7defc85542415fa85b18f571f58688d65e95d20.dll
Size

162KB
MD5

bcc3213b2a94695052ee2768e8ed4b1e
SHA1

11eac24d87b3635598f8b166654f92ec38454333
SHA256

7fb87fb231aad342a8cdd6c2d7defc85542415fa85b18f571f58688d65e95d20
SHA512

fffd5290f41fa705473488603b1badaf18ac951b5d029af234cd83c7d19703d54993302638af6d30b04214032239de3f495d8fc777785ec8e9a090398e222048

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/1508-61-0x0000000074710000-0x000000007473E000-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 484 wrote to memory of 1508	484	rundll32.exe	rundll32.exe
PID 484 wrote to memory of 1508	484	rundll32.exe	rundll32.exe
PID 484 wrote to memory of 1508	484	rundll32.exe	rundll32.exe
PID 484 wrote to memory of 1508	484	rundll32.exe	rundll32.exe
PID 484 wrote to memory of 1508	484	rundll32.exe	rundll32.exe
PID 484 wrote to memory of 1508	484	rundll32.exe	rundll32.exe
PID 484 wrote to memory of 1508	484	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7fb87fb231aad342a8cdd6c2d7defc85542415fa85b18f571f58688d65e95d20.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:484

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7fb87fb231aad342a8cdd6c2d7defc85542415fa85b18f571f58688d65e95d20.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1508

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1508-59-0x0000000000000000-mapping.dmp

Download
memory/1508-60-0x0000000075AD1000-0x0000000075AD3000-memory.dmp

Filesize
8KB

Download
memory/1508-61-0x0000000074710000-0x000000007473E000-memory.dmp

Filesize
184KB

Download
memory/1508-63-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download