smokeloader | ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32

Analysis

max time kernel
176s
max time network
142s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
19/09/2022, 23:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32.exe
Size

146KB
MD5

779edc74c2d8626172496c85b05c47d9
SHA1

1b87f878cf74a13aba1017e3fdccf98b6a72b687
SHA256

ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32
SHA512

4f8160dc3d807f60d03058d20a41fcb4772789a828a474a152b1514931704ab28cafec7e2591c8a9708b535ec543c1cfcce70d7b73ca1abe9ab4e54a69ff09ed
SSDEEP

3072:zD3kiLsz5Yb3utwYLv8P3xeyVs3fQZiBDMpLx:FLs63uqYs+vK2

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 7 IoCs

resource	yara_rule
behavioral1/memory/1744-136-0x0000000000710000-0x0000000000719000-memory.dmp	family_smokeloader
behavioral1/memory/3772-146-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3772-147-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/3772-161-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3772-178-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2712-209-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/2712-241-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Executes dropped EXE 2 IoCs

pid	Process
4220	wvfdaiw
2712	wvfdaiw

Deletes itself 1 IoCs

pid	Process
2480	Process not Found

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1744 set thread context of 3772	1744	ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32.exe	66
PID 4220 set thread context of 2712	4220	wvfdaiw	68

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	ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	wvfdaiw
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	wvfdaiw
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	wvfdaiw

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3772	ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32.exe
3772	ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32.exe
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found
2480	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2480	Process not Found

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3772	ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32.exe
2712	wvfdaiw

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2480	Process not Found
Token: SeCreatePagefilePrivilege	2480	Process not Found

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 3772	1744	ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32.exe	66
PID 1744 wrote to memory of 3772	1744	ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32.exe	66
PID 1744 wrote to memory of 3772	1744	ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32.exe	66
PID 1744 wrote to memory of 3772	1744	ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32.exe	66
PID 1744 wrote to memory of 3772	1744	ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32.exe	66
PID 1744 wrote to memory of 3772	1744	ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32.exe	66
PID 4220 wrote to memory of 2712	4220	wvfdaiw	68
PID 4220 wrote to memory of 2712	4220	wvfdaiw	68
PID 4220 wrote to memory of 2712	4220	wvfdaiw	68
PID 4220 wrote to memory of 2712	4220	wvfdaiw	68
PID 4220 wrote to memory of 2712	4220	wvfdaiw	68
PID 4220 wrote to memory of 2712	4220	wvfdaiw	68

C:\Users\Admin\AppData\Local\Temp\ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32.exe
"C:\Users\Admin\AppData\Local\Temp\ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Users\Admin\AppData\Local\Temp\ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32.exe
  "C:\Users\Admin\AppData\Local\Temp\ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:3772

C:\Users\Admin\AppData\Roaming\wvfdaiw
C:\Users\Admin\AppData\Roaming\wvfdaiw
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4220
- C:\Users\Admin\AppData\Roaming\wvfdaiw
  C:\Users\Admin\AppData\Roaming\wvfdaiw
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious behavior: MapViewOfSection
  PID:2712

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\wvfdaiw

Filesize
146KB

MD5
779edc74c2d8626172496c85b05c47d9

SHA1
1b87f878cf74a13aba1017e3fdccf98b6a72b687

SHA256
ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32

SHA512
4f8160dc3d807f60d03058d20a41fcb4772789a828a474a152b1514931704ab28cafec7e2591c8a9708b535ec543c1cfcce70d7b73ca1abe9ab4e54a69ff09ed

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

Filesize
146KB

MD5
779edc74c2d8626172496c85b05c47d9

SHA1
1b87f878cf74a13aba1017e3fdccf98b6a72b687

SHA256
ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32

SHA512
4f8160dc3d807f60d03058d20a41fcb4772789a828a474a152b1514931704ab28cafec7e2591c8a9708b535ec543c1cfcce70d7b73ca1abe9ab4e54a69ff09ed

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

Filesize
146KB

MD5
779edc74c2d8626172496c85b05c47d9

SHA1
1b87f878cf74a13aba1017e3fdccf98b6a72b687

SHA256
ffdbc622f7d18e41b2865d08163d93331eaee12c52d5cef4efb3897dc23ffa32

SHA512
4f8160dc3d807f60d03058d20a41fcb4772789a828a474a152b1514931704ab28cafec7e2591c8a9708b535ec543c1cfcce70d7b73ca1abe9ab4e54a69ff09ed

Download Submit
memory/1744-116-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-117-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-118-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-119-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-120-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-121-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-122-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-123-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-124-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-125-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-126-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-127-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-128-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-129-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-130-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-132-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-133-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-134-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-136-0x0000000000710000-0x0000000000719000-memory.dmp

Filesize
36KB

Download
memory/1744-135-0x0000000000580000-0x000000000062E000-memory.dmp

Filesize
696KB

Download
memory/1744-137-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-138-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-139-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-140-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-141-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-142-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-143-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-144-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/1744-145-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/2712-241-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3772-148-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-166-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-146-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3772-149-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-150-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-151-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-152-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-154-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-153-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-155-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-156-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-157-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-158-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-159-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-160-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-161-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3772-162-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-163-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-164-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-165-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-167-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-168-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-169-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-170-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-171-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-172-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-173-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-174-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-175-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-176-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-177-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/3772-178-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4220-180-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-181-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-182-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-183-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-184-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-185-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-186-0x00000000770F0000-0x000000007727E000-memory.dmp

Filesize
1.6MB

Download
memory/4220-216-0x0000000000916000-0x0000000000926000-memory.dmp

Filesize
64KB

Download