smokeloader | 18c5ce239fbd3566ced4a5f0b7fa06ef87ad8ca281f809b47236d7937461a852

General

Target

file.exe
Size

321KB
MD5

7f942d8a8551bbc67d93c515e3f5917d
SHA1

ff8254aab37eb7d9b09f1f1012ebb5a809db9308
SHA256

18c5ce239fbd3566ced4a5f0b7fa06ef87ad8ca281f809b47236d7937461a852
SHA512

d566974e454f1973ec3f12dc559a89c8cc10c2c47aa90f745989683e1da6da5d51cea4827def61da4fda9d59e6882f6e86b179c5053277753c1fe07448c24798
SSDEEP

3072:VB7PkLvHa9R60YJsddrfWemf1BjGbbMnsZ/ZvGRDVkszuQjiMTE5MPCfag7c:XgLPau0YJgZxMnsnuRqszuQj9LGaMc

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/432-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral2/memory/3920-135-0x0000000000470000-0x0000000000479000-memory.dmp	family_smokeloader
behavioral2/memory/432-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral2/memory/432-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Suspicious use of SetThreadContext 1 IoCs

Processes:

file.exe

description pid process target process

PID 3920 set thread context of 432 3920 file.exe file.exe

description	pid	process	target process
PID 3920 set thread context of 432	3920	file.exe	file.exe

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

Processes:

file.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	file.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	file.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	file.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

file.exe

pid	process
432	file.exe
432	file.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2628
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

file.exe

pid process

432 file.exe

pid	process
2628

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

description	pid	process
Token: SeShutdownPrivilege	2628
Token: SeCreatePagefilePrivilege	2628
Token: SeShutdownPrivilege	2628
Token: SeCreatePagefilePrivilege	2628
Token: SeShutdownPrivilege	2628
Token: SeCreatePagefilePrivilege	2628
Token: SeShutdownPrivilege	2628
Token: SeCreatePagefilePrivilege	2628

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

file.exe

description	pid	process	target process
PID 3920 wrote to memory of 432	3920	file.exe	file.exe
PID 3920 wrote to memory of 432	3920	file.exe	file.exe
PID 3920 wrote to memory of 432	3920	file.exe	file.exe
PID 3920 wrote to memory of 432	3920	file.exe	file.exe
PID 3920 wrote to memory of 432	3920	file.exe	file.exe
PID 3920 wrote to memory of 432	3920	file.exe	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3920

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:432

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/432-132-0x0000000000000000-mapping.dmp

Download
memory/432-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/432-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/432-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2628-138-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-139-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-140-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-141-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-143-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-142-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-144-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-145-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-146-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-147-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-148-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-149-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-150-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-151-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-152-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-153-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-154-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-155-0x0000000003220000-0x0000000003230000-memory.dmp

Filesize
64KB

Download
memory/2628-156-0x0000000003240000-0x0000000003250000-memory.dmp

Filesize
64KB

Download
memory/2628-157-0x0000000003240000-0x0000000003250000-memory.dmp

Filesize
64KB

Download
memory/2628-158-0x0000000003240000-0x0000000003250000-memory.dmp

Filesize
64KB

Download
memory/2628-159-0x0000000003240000-0x0000000003250000-memory.dmp

Filesize
64KB

Download
memory/2628-160-0x0000000003240000-0x0000000003250000-memory.dmp

Filesize
64KB

Download
memory/2628-161-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-162-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-163-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-164-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-165-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-166-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-167-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-168-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-169-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-170-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-171-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-172-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-173-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-174-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-175-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-176-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-177-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2628-178-0x00000000012C0000-0x00000000012D0000-memory.dmp

Filesize
64KB

Download
memory/2628-179-0x00000000012D0000-0x00000000012E0000-memory.dmp

Filesize
64KB

Download
memory/2628-180-0x00000000012D0000-0x00000000012E0000-memory.dmp

Filesize
64KB

Download
memory/2628-181-0x00000000012C0000-0x00000000012D0000-memory.dmp

Filesize
64KB

Download
memory/2628-182-0x00000000012D0000-0x00000000012E0000-memory.dmp

Filesize
64KB

Download
memory/2628-183-0x00000000012D0000-0x00000000012E0000-memory.dmp

Filesize
64KB

Download
memory/2628-184-0x00000000012D0000-0x00000000012E0000-memory.dmp

Filesize
64KB

Download
memory/3920-134-0x00000000004AE000-0x00000000004C4000-memory.dmp

Filesize
88KB

Download
memory/3920-135-0x0000000000470000-0x0000000000479000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads