smokeloader | 84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741

Analysis

max time kernel
150s
max time network
139s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
16/09/2022, 22:05

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General

Target

84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741.exe
Size

305KB
MD5

fe8efd9b49dd5d69d5ba140f98bf7074
SHA1

34e4922a2d4902d25b3167d73c5e44baa4bd146b
SHA256

84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741
SHA512

464c8a6dd2243b6d20a648dd4ee8857039b3671e48b697309d1ca748b85e9948e4ca3fd04cd4cf89a3462de6d1ce444bc4a6b71db50763630dd1f9cf3c49389a
SSDEEP

3072:FyhXLgGpYj2GLpdSnmJRkrD7hekWC2NwGemVROS2SNKDd30K7bWNSxM/h3Bsxkgi:wFLyLTS7tH2NwQKDh0wxnigabwVf

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/3876-141-0x00000000006D0000-0x00000000006D9000-memory.dmp	family_smokeloader
behavioral1/memory/1784-144-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1784-145-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/1784-157-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1784-177-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
2836	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3876 set thread context of 1784	3876	84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741.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	84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1784	84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741.exe
1784	84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741.exe
2836	Process not Found
2836	Process not Found
2836	Process not Found
2836	Process not Found
2836	Process not Found
2836	Process not Found
2836	Process not Found
2836	Process not Found
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2836	Process not Found
2836	Process not Found
2836	Process not Found
2836	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2836	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1784	84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3876 wrote to memory of 1784	3876	84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741.exe	66
PID 3876 wrote to memory of 1784	3876	84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741.exe	66
PID 3876 wrote to memory of 1784	3876	84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741.exe	66
PID 3876 wrote to memory of 1784	3876	84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741.exe	66
PID 3876 wrote to memory of 1784	3876	84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741.exe	66
PID 3876 wrote to memory of 1784	3876	84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741.exe	66

C:\Users\Admin\AppData\Local\Temp\84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741.exe
"C:\Users\Admin\AppData\Local\Temp\84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3876
- C:\Users\Admin\AppData\Local\Temp\84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741.exe
  "C:\Users\Admin\AppData\Local\Temp\84294be62020f2f5640de5f2b827110ed926415f7429b2ced21522b796d25741.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:1784

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/1784-160-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-163-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-177-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1784-176-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-175-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-174-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-173-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-172-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-171-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-170-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-169-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-168-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-167-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-166-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-165-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-164-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-148-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-162-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-161-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-159-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-156-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-158-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-157-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1784-155-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-154-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-153-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-152-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-151-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-144-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1784-150-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-149-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-146-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-131-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-130-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-116-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-143-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-141-0x00000000006D0000-0x00000000006D9000-memory.dmp

Filesize
36KB

Download
memory/3876-142-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-140-0x0000000000768000-0x0000000000778000-memory.dmp

Filesize
64KB

Download
memory/3876-139-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-136-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-138-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-137-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-134-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-115-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-135-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-133-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-132-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-147-0x0000000000768000-0x0000000000778000-memory.dmp

Filesize
64KB

Download
memory/3876-129-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-128-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-127-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-126-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-125-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-124-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-123-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-122-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-121-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-120-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-119-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-118-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3876-117-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download