smokeloader | 449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2023, 06:48

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078.exe
Size

196KB
MD5

e139d930a560cb9d5d6570ee631ac149
SHA1

c550632e838d8050aca5d3af5044b50314cb2c46
SHA256

449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078
SHA512

863ce434b5d5e8c84144e6c730cd552cbd9ecbf517af99316b73ed3afb512bac5a35e10aab2ba7b525b39351fb99cdec1a78abb82bac68481a5d75801c213321
SSDEEP

3072:jrkwWOLtpwWKzJuxWxvUSf17gmOyDQTnwl3/ssBExZxA5A33qZ:jrPNpKtuxWxvUG7V/lNEROX

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 6 IoCs

resource	yara_rule
behavioral1/memory/736-134-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4088-135-0x00000000022A0000-0x00000000022A9000-memory.dmp	family_smokeloader
behavioral1/memory/736-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/736-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2216-170-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2216-171-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Executes dropped EXE 2 IoCs

pid	Process
2268	cvubhsu
2216	cvubhsu

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4088 set thread context of 736	4088	449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078.exe	80
PID 2268 set thread context of 2216	2268	cvubhsu	89

Checks SCSI registry key(s) 3 TTPs 6 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	449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cvubhsu
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cvubhsu
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cvubhsu

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
736	449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078.exe
736	449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078.exe
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
668	Process not Found

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
736	449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078.exe
2216	cvubhsu

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeShutdownPrivilege	668	Process not Found
Token: SeCreatePagefilePrivilege	668	Process not Found
Token: SeShutdownPrivilege	668	Process not Found
Token: SeCreatePagefilePrivilege	668	Process not Found
Token: SeShutdownPrivilege	668	Process not Found
Token: SeCreatePagefilePrivilege	668	Process not Found
Token: SeShutdownPrivilege	668	Process not Found
Token: SeCreatePagefilePrivilege	668	Process not Found
Token: SeShutdownPrivilege	668	Process not Found
Token: SeCreatePagefilePrivilege	668	Process not Found
Token: SeShutdownPrivilege	668	Process not Found
Token: SeCreatePagefilePrivilege	668	Process not Found
Token: SeShutdownPrivilege	668	Process not Found
Token: SeCreatePagefilePrivilege	668	Process not Found

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4088 wrote to memory of 736	4088	449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078.exe	80
PID 4088 wrote to memory of 736	4088	449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078.exe	80
PID 4088 wrote to memory of 736	4088	449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078.exe	80
PID 4088 wrote to memory of 736	4088	449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078.exe	80
PID 4088 wrote to memory of 736	4088	449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078.exe	80
PID 4088 wrote to memory of 736	4088	449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078.exe	80
PID 2268 wrote to memory of 2216	2268	cvubhsu	89
PID 2268 wrote to memory of 2216	2268	cvubhsu	89
PID 2268 wrote to memory of 2216	2268	cvubhsu	89
PID 2268 wrote to memory of 2216	2268	cvubhsu	89
PID 2268 wrote to memory of 2216	2268	cvubhsu	89
PID 2268 wrote to memory of 2216	2268	cvubhsu	89

C:\Users\Admin\AppData\Local\Temp\449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078.exe
"C:\Users\Admin\AppData\Local\Temp\449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4088
- C:\Users\Admin\AppData\Local\Temp\449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078.exe
  "C:\Users\Admin\AppData\Local\Temp\449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:736

C:\Users\Admin\AppData\Roaming\cvubhsu
C:\Users\Admin\AppData\Roaming\cvubhsu
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Users\Admin\AppData\Roaming\cvubhsu
  C:\Users\Admin\AppData\Roaming\cvubhsu
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious behavior: MapViewOfSection
  PID:2216

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\cvubhsu

Filesize
196KB

MD5
e139d930a560cb9d5d6570ee631ac149

SHA1
c550632e838d8050aca5d3af5044b50314cb2c46

SHA256
449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078

SHA512
863ce434b5d5e8c84144e6c730cd552cbd9ecbf517af99316b73ed3afb512bac5a35e10aab2ba7b525b39351fb99cdec1a78abb82bac68481a5d75801c213321

Download Submit
C:\Users\Admin\AppData\Roaming\cvubhsu

Filesize
196KB

MD5
e139d930a560cb9d5d6570ee631ac149

SHA1
c550632e838d8050aca5d3af5044b50314cb2c46

SHA256
449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078

SHA512
863ce434b5d5e8c84144e6c730cd552cbd9ecbf517af99316b73ed3afb512bac5a35e10aab2ba7b525b39351fb99cdec1a78abb82bac68481a5d75801c213321

Download Submit
C:\Users\Admin\AppData\Roaming\cvubhsu

Filesize
196KB

MD5
e139d930a560cb9d5d6570ee631ac149

SHA1
c550632e838d8050aca5d3af5044b50314cb2c46

SHA256
449d1b94b6a0159c1ef021dc36c7d282a6c8ccf41502df50be5c2299557af078

SHA512
863ce434b5d5e8c84144e6c730cd552cbd9ecbf517af99316b73ed3afb512bac5a35e10aab2ba7b525b39351fb99cdec1a78abb82bac68481a5d75801c213321

Download Submit
memory/668-177-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-180-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-143-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-144-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-145-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-146-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-147-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-148-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-149-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-152-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-154-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-153-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-151-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-150-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-156-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-157-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-155-0x00000000027E0000-0x00000000027F0000-memory.dmp

Filesize
64KB

Download
memory/668-158-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-178-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-159-0x00000000027E0000-0x00000000027F0000-memory.dmp

Filesize
64KB

Download
memory/668-161-0x00000000027E0000-0x00000000027F0000-memory.dmp

Filesize
64KB

Download
memory/668-162-0x00000000027E0000-0x00000000027F0000-memory.dmp

Filesize
64KB

Download
memory/668-163-0x00000000027E0000-0x00000000027F0000-memory.dmp

Filesize
64KB

Download
memory/668-141-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-140-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-218-0x00000000007C0000-0x00000000007D0000-memory.dmp

Filesize
64KB

Download
memory/668-217-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-215-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-216-0x00000000007C0000-0x00000000007D0000-memory.dmp

Filesize
64KB

Download
memory/668-212-0x00000000007C0000-0x00000000007D0000-memory.dmp

Filesize
64KB

Download
memory/668-139-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-214-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-213-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-207-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-172-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-173-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-174-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-175-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-176-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-138-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-160-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-142-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-196-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-181-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-182-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-183-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-184-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-185-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-186-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-187-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-188-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-189-0x00000000007C0000-0x00000000007D0000-memory.dmp

Filesize
64KB

Download
memory/668-190-0x00000000007D0000-0x00000000007E0000-memory.dmp

Filesize
64KB

Download
memory/668-191-0x00000000007D0000-0x00000000007E0000-memory.dmp

Filesize
64KB

Download
memory/668-192-0x00000000007C0000-0x00000000007D0000-memory.dmp

Filesize
64KB

Download
memory/668-193-0x00000000007D0000-0x00000000007E0000-memory.dmp

Filesize
64KB

Download
memory/668-194-0x00000000007D0000-0x00000000007E0000-memory.dmp

Filesize
64KB

Download
memory/668-195-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-179-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-197-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-198-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-199-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-200-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-201-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-202-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-203-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-204-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-205-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-206-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-208-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-211-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-210-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/668-209-0x00000000007B0000-0x00000000007C0000-memory.dmp

Filesize
64KB

Download
memory/736-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/736-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/736-134-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2216-171-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2216-170-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2268-169-0x0000000000749000-0x000000000075C000-memory.dmp

Filesize
76KB

Download
memory/4088-135-0x00000000022A0000-0x00000000022A9000-memory.dmp

Filesize
36KB

Download