smokeloader | 2b735771258cd9e019475b2b279e83a1b580e16032b03d505a01886b9c13c6a8

Analysis

max time kernel
102s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 21:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

09aa410b1c231d07b09b3b74deed40e0N.exe
Size

277KB
MD5

09aa410b1c231d07b09b3b74deed40e0
SHA1

a116f55d408d6f0a9939c8199ce7abb52eea62ef
SHA256

2b735771258cd9e019475b2b279e83a1b580e16032b03d505a01886b9c13c6a8
SHA512

41c52319d6d545f1ac9b0ff4eb0b79cb71ea113e894f9dd8b48a9c0dd8ad7cc9d690a390816b610f1904526c73e120951ffa078848791cca8c909a53c29e588a
SSDEEP

6144:TJszBtTpBm6cT3yohV0KA95F73ZXvW6g30VbcUrr43l1HOzX2oQkzeuNufGZ:TJszbpBmvLN70KA95FlXe6J43l1DvrT+

Score

10^/10

smokeloader ku11 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

ku11

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

Loads dropped DLL 1 IoCs

pid	Process
1180	09aa410b1c231d07b09b3b74deed40e0N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4904	1180	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	09aa410b1c231d07b09b3b74deed40e0N.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	09aa410b1c231d07b09b3b74deed40e0N.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	09aa410b1c231d07b09b3b74deed40e0N.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	09aa410b1c231d07b09b3b74deed40e0N.exe

C:\Users\Admin\AppData\Local\Temp\09aa410b1c231d07b09b3b74deed40e0N.exe
"C:\Users\Admin\AppData\Local\Temp\09aa410b1c231d07b09b3b74deed40e0N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:1180
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 452
  2⤵
  - Program crash
  PID:4904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1180 -ip 1180
1⤵
PID:3992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\5C1B.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/1180-0-0x0000000001510000-0x0000000001511000-memory.dmp

Filesize
4KB

Download
memory/1180-2-0x0000000001550000-0x000000000155A000-memory.dmp

Filesize
40KB

Download
memory/1180-1-0x0000000001540000-0x000000000154A000-memory.dmp

Filesize
40KB

Download
memory/1180-7-0x0000000001550000-0x000000000155A000-memory.dmp

Filesize
40KB

Download