smokeloader | bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56

Analysis

max time kernel
150s
max time network
74s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
27-09-2022 16:51

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General

Target

bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56.exe
Size

328KB
MD5

e38b95da23a56bc3ef267713a5807903
SHA1

40fc9ab918879cd500e7384dc80b0525fcbe7dd0
SHA256

bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56
SHA512

127396194bded0b5b43be5011af4d9197c3365764b94ca60b19cc7aee5820cd2da7cc6f49547ced9371fc988389971d22df3f1607fee1cc04053d19b737eb98f
SSDEEP

6144:F7VtzOz7TU+hJGEcTfPJJHBqF0MQnigabwVfs:F7VBu7T7JafPJJHBfNiB

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/3540-152-0x00000000001E0000-0x00000000001E9000-memory.dmp	family_smokeloader
behavioral1/memory/4788-147-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4788-148-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/4788-168-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4788-181-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
2112	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3540 set thread context of 4788	3540	bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56.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	bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4788	bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56.exe
4788	bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56.exe
2112	Process not Found
2112	Process not Found
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2112	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4788	bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3540 wrote to memory of 4788	3540	bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56.exe	66
PID 3540 wrote to memory of 4788	3540	bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56.exe	66
PID 3540 wrote to memory of 4788	3540	bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56.exe	66
PID 3540 wrote to memory of 4788	3540	bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56.exe	66
PID 3540 wrote to memory of 4788	3540	bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56.exe	66
PID 3540 wrote to memory of 4788	3540	bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56.exe	66

C:\Users\Admin\AppData\Local\Temp\bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56.exe
"C:\Users\Admin\AppData\Local\Temp\bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Users\Admin\AppData\Local\Temp\bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56.exe
  "C:\Users\Admin\AppData\Local\Temp\bb9f980edc07ad67ef415ecae51d6433e1423a2e4b7a7a905b814607454fec56.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:4788

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/3540-118-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-120-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-119-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-121-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-122-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-123-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-124-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-125-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-126-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-127-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-128-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-129-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-130-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-131-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-132-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-133-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-134-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-135-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-136-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-137-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-138-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-139-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-140-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-141-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-142-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-143-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-144-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-145-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-146-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3540-151-0x000000000062C000-0x000000000063D000-memory.dmp

Filesize
68KB

Download
memory/3540-152-0x00000000001E0000-0x00000000001E9000-memory.dmp

Filesize
36KB

Download
memory/4788-149-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-150-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-153-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-154-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-147-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4788-148-0x0000000000402DD8-mapping.dmp

Download
memory/4788-155-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-156-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-157-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-158-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-159-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-160-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-161-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-162-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-163-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-164-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-166-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-165-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-168-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4788-169-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-167-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-170-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-171-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-172-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-173-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-174-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-175-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-176-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-177-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-178-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-179-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-180-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4788-181-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download