dridex | 23388cb648359c5b733440277017d8e2dd31bb9bee9f9c71fa8b48e23d91e943

Analysis

max time kernel
27s
max time network
91s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 11:02

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General

Target

23388cb648359c5b733440277017d8e2dd31bb9bee9f9c71fa8b48e23d91e943.dll
Size

158KB
MD5

e61b29a7076cfd4fe7af6cf65ffc5781
SHA1

f4a91bf83a32a2090cc9453d577ea774fe604647
SHA256

23388cb648359c5b733440277017d8e2dd31bb9bee9f9c71fa8b48e23d91e943
SHA512

743deefdf83b3905339fabf8550dfcc8c60c30a7182883c5f08956deb1b93809581b18b2bd872ebc9772f5f3cefed3488833d92c3b922e3bc2c6c57f5f9d7d29

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/1844-115-0x0000000073990000-0x00000000739BD000-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 1400 wrote to memory of 1844	1400	rundll32.exe	rundll32.exe
PID 1400 wrote to memory of 1844	1400	rundll32.exe	rundll32.exe
PID 1400 wrote to memory of 1844	1400	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\23388cb648359c5b733440277017d8e2dd31bb9bee9f9c71fa8b48e23d91e943.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1400

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\23388cb648359c5b733440277017d8e2dd31bb9bee9f9c71fa8b48e23d91e943.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1844

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/1844-114-0x0000000000000000-mapping.dmp

Download
memory/1844-115-0x0000000073990000-0x00000000739BD000-memory.dmp

Filesize
180KB

Download
memory/1844-117-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download