smokeloader | 5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b

Analysis

max time kernel
167s
max time network
182s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
01/12/2022, 13:20

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General

Target

5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b.exe
Size

185KB
MD5

44aab738d953bc07abfeefe4f792e8d5
SHA1

910fe611dbaa840433ae7b6f67bb60b10680fba9
SHA256

5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b
SHA512

a0e8accd5429427ae66aaba1cf02a20c148c3e5974bf204d989f5f378982d81d00ed9906cc176096f4727ecc300c64fa6880ed058f2fe4146a7ceac6315c5d1a
SSDEEP

3072:JAM4saQssUm5tRArs57xo8taOUiJNc0v8cPDAbEaYULCH:VssUWq+VhDJ60LMEaN6

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/2672-135-0x0000000000550000-0x0000000000559000-memory.dmp	family_smokeloader
behavioral1/memory/496-145-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/496-146-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/496-160-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/496-177-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
2420	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2672 set thread context of 496	2672	5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b.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	5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
496	5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b.exe
496	5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b.exe
2420	Process not Found
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2420	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
496	5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 496	2672	5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b.exe	66
PID 2672 wrote to memory of 496	2672	5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b.exe	66
PID 2672 wrote to memory of 496	2672	5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b.exe	66
PID 2672 wrote to memory of 496	2672	5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b.exe	66
PID 2672 wrote to memory of 496	2672	5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b.exe	66
PID 2672 wrote to memory of 496	2672	5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b.exe	66

C:\Users\Admin\AppData\Local\Temp\5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b.exe
"C:\Users\Admin\AppData\Local\Temp\5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Users\Admin\AppData\Local\Temp\5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b.exe
  "C:\Users\Admin\AppData\Local\Temp\5459597a1f70c7f0c270819a01daa8936c7e77933243af4483da9d24b36fc09b.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:496

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/496-161-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-163-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-177-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/496-176-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-175-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-174-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-173-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-172-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-171-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-169-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-168-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-167-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-166-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-165-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-164-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-147-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-162-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-160-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/496-158-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-159-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-157-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-155-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-156-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-154-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-153-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-148-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-151-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-150-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-145-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/496-149-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-152-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/496-170-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-126-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-132-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-143-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-142-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-141-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-140-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-139-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-138-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-137-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-136-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-135-0x0000000000550000-0x0000000000559000-memory.dmp

Filesize
36KB

Download
memory/2672-134-0x0000000000570000-0x00000000006BA000-memory.dmp

Filesize
1.3MB

Download
memory/2672-115-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-116-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-144-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-129-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-133-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-128-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-127-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-124-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-125-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-131-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-123-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-122-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-120-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-121-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-119-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-118-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download
memory/2672-117-0x0000000076EA0000-0x000000007702E000-memory.dmp

Filesize
1.6MB

Download