smokeloader | 6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b

Analysis

max time kernel
150s
max time network
103s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
13/09/2022, 15:14

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General

Target

6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b.exe
Size

249KB
MD5

931c666a7bb9190f5dec8bed370e63d4
SHA1

bf4a2198683d2472d7f71120435ff4ba2c344f6b
SHA256

6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b
SHA512

14d3347e87884efbd7abaed9230e915c9baa1945165c2a5a57b9559b3e00baed954d6aaf3428f84ddc4f6fbbc094241cd87f914eb9727dbf7ca87d1fae754be4
SSDEEP

6144:R9zWRANS5rKSxDtCz78sfDQGcWM2QDn8l:TqAGrKSxDtUNDQCM

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/2976-142-0x00000000001D0000-0x00000000001D9000-memory.dmp	family_smokeloader
behavioral1/memory/4684-146-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4684-147-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/4684-159-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4684-178-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
2604	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2976 set thread context of 4684	2976	6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b.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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4684	6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b.exe
4684	6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b.exe
2604	Process not Found
2604	Process not Found
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2604	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2604	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4684	6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 4684	2976	6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b.exe	66
PID 2976 wrote to memory of 4684	2976	6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b.exe	66
PID 2976 wrote to memory of 4684	2976	6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b.exe	66
PID 2976 wrote to memory of 4684	2976	6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b.exe	66
PID 2976 wrote to memory of 4684	2976	6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b.exe	66
PID 2976 wrote to memory of 4684	2976	6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b.exe	66

C:\Users\Admin\AppData\Local\Temp\6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b.exe
"C:\Users\Admin\AppData\Local\Temp\6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Users\Admin\AppData\Local\Temp\6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b.exe
  "C:\Users\Admin\AppData\Local\Temp\6fa94d6ee7a24a1dea25476fd585d371fb7fa39197aa8e48ef8cd933bb5ea08b.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:4684

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/2976-116-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-117-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-118-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-119-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-120-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-121-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-122-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-123-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-124-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-125-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-126-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-127-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-128-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-129-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-130-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-132-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-133-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-134-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-135-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-136-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-137-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-138-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-140-0x00000000005A0000-0x000000000064E000-memory.dmp

Filesize
696KB

Download
memory/2976-139-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-141-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-142-0x00000000001D0000-0x00000000001D9000-memory.dmp

Filesize
36KB

Download
memory/2976-143-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-144-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-145-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-146-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4684-148-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-149-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-150-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-151-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-152-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-153-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-154-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-155-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-156-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-157-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-159-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4684-158-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-160-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-161-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-162-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-163-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-164-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-165-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-166-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-167-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-168-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-169-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-170-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-171-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-172-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-173-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-174-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-175-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-176-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-177-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4684-178-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download