smokeloader | 6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177

Analysis

max time kernel
94s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
04-09-2024 20:57

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General

Target

6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177.exe
Size

1.0MB
MD5

d9d02eb23a26bbb6d1668e63fb58bc32
SHA1

505aa7071f645584738ef70ac8afb6e3b7714733
SHA256

6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177
SHA512

68fb95ddc4abed6bb714a9f56145d250b73dc3a1bf39dbbd85b4ce8e3466fcb07962ec35d43be43f5579a4f11fc175bfa736a866cf8d400523b6dd5402757c8f
SSDEEP

24576:QQlZ3m/UX0C9So4nE+yb4/1EoHBzg2n0anbF:QQlZ3mI0C9S3E+ybQ1EEB0an

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4688 set thread context of 1020	4688	6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177.exe	81

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	6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177.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	6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4688	6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177.exe
Token: SeDebugPrivilege	4688	6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 1020	4688	6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177.exe	81
PID 4688 wrote to memory of 1020	4688	6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177.exe	81
PID 4688 wrote to memory of 1020	4688	6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177.exe	81
PID 4688 wrote to memory of 1020	4688	6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177.exe	81
PID 4688 wrote to memory of 1020	4688	6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177.exe	81
PID 4688 wrote to memory of 1020	4688	6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177.exe	81

C:\Users\Admin\AppData\Local\Temp\6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177.exe
"C:\Users\Admin\AppData\Local\Temp\6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4688
- C:\Users\Admin\AppData\Local\Temp\6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177.exe
  "C:\Users\Admin\AppData\Local\Temp\6c406845dd066abfa4f72ab49e707c97e9a939e7d4a8b5272b366a00d7960177.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:1020

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

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Downloads

memory/1020-1090-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4688-30-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-1-0x0000000000730000-0x0000000000842000-memory.dmp

Filesize
1.1MB

Download
memory/4688-4-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-24-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-60-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-66-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-64-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-62-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-58-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-56-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-54-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-52-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-50-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-46-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-44-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-42-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-40-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-18-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-36-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-34-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-32-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-0-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/4688-14-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-2-0x0000000005460000-0x0000000005542000-memory.dmp

Filesize
904KB

Download
memory/4688-38-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-16-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-12-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-10-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-8-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-6-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-23-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-48-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-28-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-3-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-27-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-1077-0x00000000742A0000-0x0000000074A51000-memory.dmp

Filesize
7.7MB

Download
memory/4688-1078-0x00000000742A0000-0x0000000074A51000-memory.dmp

Filesize
7.7MB

Download
memory/4688-1079-0x00000000055D0000-0x000000000562C000-memory.dmp

Filesize
368KB

Download
memory/4688-1080-0x0000000005630000-0x000000000567C000-memory.dmp

Filesize
304KB

Download
memory/4688-1082-0x00000000056C0000-0x0000000005714000-memory.dmp

Filesize
336KB

Download
memory/4688-1081-0x0000000005F80000-0x0000000006526000-memory.dmp

Filesize
5.6MB

Download
memory/4688-1084-0x00000000742A0000-0x0000000074A51000-memory.dmp

Filesize
7.7MB

Download
memory/4688-1088-0x00000000742A0000-0x0000000074A51000-memory.dmp

Filesize
7.7MB

Download
memory/4688-20-0x0000000005460000-0x000000000553C000-memory.dmp

Filesize
880KB

Download
memory/4688-1089-0x00000000742A0000-0x0000000074A51000-memory.dmp

Filesize
7.7MB

Download