dridex | 680e8061624f2c271f167f9516080bceb557760c3456716f0d68e35103754441

Analysis

max time kernel
25s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 05:19

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General

Target

680e8061624f2c271f167f9516080bceb557760c3456716f0d68e35103754441.dll
Size

162KB
MD5

2eae0cfaadc13ed37e100e6808810a62
SHA1

33cb3b8b96f010a35f3d13a24913aecacfcdecf5
SHA256

680e8061624f2c271f167f9516080bceb557760c3456716f0d68e35103754441
SHA512

98a607927cc2ed7bc9868b6821dee2fbe0df4aa5b1872002c647f86cfc60dab18d7578d88faa804960060af5e43521a51c8b30da510eaf53ec56d875f8720b7d

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/1640-115-0x0000000073890000-0x00000000738BE000-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 3008 wrote to memory of 1640	3008	rundll32.exe	rundll32.exe
PID 3008 wrote to memory of 1640	3008	rundll32.exe	rundll32.exe
PID 3008 wrote to memory of 1640	3008	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\680e8061624f2c271f167f9516080bceb557760c3456716f0d68e35103754441.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3008

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\680e8061624f2c271f167f9516080bceb557760c3456716f0d68e35103754441.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1640

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/1640-114-0x0000000000000000-mapping.dmp

Download
memory/1640-115-0x0000000073890000-0x00000000738BE000-memory.dmp

Filesize
184KB

Download
memory/1640-117-0x0000000000400000-0x000000000054A000-memory.dmp

Filesize
1.3MB

Download