smokeloader | bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0

Analysis

max time kernel
155s
max time network
113s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
11/10/2022, 04:05

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General

Target

bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0.exe
Size

211KB
MD5

35cd593da9e9a2af2945f4e4771fe39e
SHA1

25b32cd0b408c9d529588efda2ec29ecd7792c35
SHA256

bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0
SHA512

4812f11d48a90ff87f992cd4945a01bbaad184b5300c19b14dcd7b291624aea5820fd5b7c357ab8682f850b511b0b7cf3745c6e527b97cd7a98d9588ea49beb4
SSDEEP

3072:e27OO3jBU/FGzLJrj5jRFUcHC+6QHME5J2s64KG0D7ZrP9d+a/6oO:euM6LJ/5FQQME5wscG0hR7/6o

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

resource	yara_rule
behavioral1/memory/2692-150-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2692-151-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/2692-165-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2692-183-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
2972	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1748 set thread context of 2692	1748	bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0.exe	66

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	bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2692	bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0.exe
2692	bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0.exe
2972	Process not Found
2972	Process not Found
2972	Process not Found
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2972	Process not Found
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2972	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2972	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2692	bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 2692	1748	bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0.exe	66
PID 1748 wrote to memory of 2692	1748	bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0.exe	66
PID 1748 wrote to memory of 2692	1748	bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0.exe	66
PID 1748 wrote to memory of 2692	1748	bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0.exe	66
PID 1748 wrote to memory of 2692	1748	bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0.exe	66
PID 1748 wrote to memory of 2692	1748	bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0.exe	66

C:\Users\Admin\AppData\Local\Temp\bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0.exe
"C:\Users\Admin\AppData\Local\Temp\bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Users\Admin\AppData\Local\Temp\bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0.exe
  "C:\Users\Admin\AppData\Local\Temp\bbebe5018f41b45da3ba94b2d1a8971f739cd8b519426a7a694a30ae70805da0.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:2692

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

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Downloads

memory/1748-120-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-121-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-122-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-123-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-124-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-125-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-126-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-127-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-128-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-129-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-130-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-131-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-132-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-133-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-134-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-135-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-136-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-137-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-138-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-139-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-140-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-141-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-142-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-143-0x000000000078A000-0x000000000079A000-memory.dmp

Filesize
64KB

Download
memory/1748-144-0x0000000000630000-0x000000000077A000-memory.dmp

Filesize
1.3MB

Download
memory/1748-145-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-146-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-147-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-148-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-149-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-154-0x000000000078A000-0x000000000079A000-memory.dmp

Filesize
64KB

Download
memory/2692-150-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2692-152-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-153-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-155-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-156-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-157-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-158-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-160-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-159-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-161-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-163-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-162-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-164-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-166-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-165-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2692-167-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-168-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-169-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-170-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-172-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-173-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-171-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-174-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-175-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-176-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-177-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-178-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-179-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-180-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-181-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-182-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-183-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download