smokeloader | 351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3

General

Target

351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe
Size

188KB
MD5

b591c5aa36bedb9a2a45970b4b0276c3
SHA1

96a13be47f590abd220dd9b4e5cf52a3fa24486e
SHA256

351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3
SHA512

ff0baee6975e99395fdac68968d897d7f73d44ffc36f2cace75e314449b4c8498d83b8853b185f2747a36f1374468549114702d0621b081d44d044f2966fe594
SSDEEP

3072:IyriBnkx6IDBCeLwTCuZUpZ+5n8gyZE+SYr/EnVycAZGIbQrrJx0:liYweLw+uZ0iyDsu+Q

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4592-133-0x00000000008E0000-0x00000000008E9000-memory.dmp	family_smokeloader
behavioral1/memory/892-135-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/892-138-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/892-139-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe

description	pid	process	target process
PID 4592 set thread context of 892	4592	351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe	351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.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:

351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe

Modifies registry class 2 IoCs

Processes:

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe

pid	process
892	351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe
892	351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2704
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe

pid process

892 351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe

pid	process
2704

Suspicious use of AdjustPrivilegeToken 12 IoCs

Processes:

description	pid	process
Token: SeShutdownPrivilege	2704
Token: SeCreatePagefilePrivilege	2704
Token: SeShutdownPrivilege	2704
Token: SeCreatePagefilePrivilege	2704
Token: SeShutdownPrivilege	2704
Token: SeCreatePagefilePrivilege	2704
Token: SeShutdownPrivilege	2704
Token: SeCreatePagefilePrivilege	2704
Token: SeShutdownPrivilege	2704
Token: SeCreatePagefilePrivilege	2704
Token: SeShutdownPrivilege	2704
Token: SeCreatePagefilePrivilege	2704

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe

description	pid	process	target process
PID 4592 wrote to memory of 892	4592	351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe	351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe
PID 4592 wrote to memory of 892	4592	351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe	351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe
PID 4592 wrote to memory of 892	4592	351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe	351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe
PID 4592 wrote to memory of 892	4592	351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe	351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe
PID 4592 wrote to memory of 892	4592	351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe	351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe
PID 4592 wrote to memory of 892	4592	351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe	351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe

C:\Users\Admin\AppData\Local\Temp\351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe
"C:\Users\Admin\AppData\Local\Temp\351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4592

C:\Users\Admin\AppData\Local\Temp\351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe
"C:\Users\Admin\AppData\Local\Temp\351b342b3cfc481a15e8b12039cc3330cab35c4f0a8545aee24c24ce33b20bc3.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:892

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/892-135-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/892-139-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/892-134-0x0000000000000000-mapping.dmp

Download
memory/892-138-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2704-144-0x0000000002D00000-0x0000000002D10000-memory.dmp

Filesize
64KB

Download
memory/2704-145-0x0000000002CF0000-0x0000000002D00000-memory.dmp

Filesize
64KB

Download
memory/2704-155-0x0000000002D00000-0x0000000002D10000-memory.dmp

Filesize
64KB

Download
memory/2704-154-0x0000000002D00000-0x0000000002D10000-memory.dmp

Filesize
64KB

Download
memory/2704-140-0x0000000000BC0000-0x0000000000BD0000-memory.dmp

Filesize
64KB

Download
memory/2704-141-0x0000000002CF0000-0x0000000002D00000-memory.dmp

Filesize
64KB

Download
memory/2704-142-0x0000000002D00000-0x0000000002D10000-memory.dmp

Filesize
64KB

Download
memory/2704-143-0x0000000002D00000-0x0000000002D10000-memory.dmp

Filesize
64KB

Download
memory/2704-153-0x0000000002CF0000-0x0000000002D00000-memory.dmp

Filesize
64KB

Download
memory/2704-152-0x0000000002D00000-0x0000000002D10000-memory.dmp

Filesize
64KB

Download
memory/2704-146-0x0000000002D00000-0x0000000002D10000-memory.dmp

Filesize
64KB

Download
memory/2704-147-0x0000000002D00000-0x0000000002D10000-memory.dmp

Filesize
64KB

Download
memory/2704-148-0x0000000002D00000-0x0000000002D10000-memory.dmp

Filesize
64KB

Download
memory/2704-149-0x0000000000BC0000-0x0000000000BD0000-memory.dmp

Filesize
64KB

Download
memory/2704-150-0x0000000002CF0000-0x0000000002D00000-memory.dmp

Filesize
64KB

Download
memory/2704-151-0x0000000002D00000-0x0000000002D10000-memory.dmp

Filesize
64KB

Download
memory/4592-137-0x000000000099E000-0x00000000009AF000-memory.dmp

Filesize
68KB

Download
memory/4592-132-0x000000000099E000-0x00000000009AF000-memory.dmp

Filesize
68KB

Download
memory/4592-133-0x00000000008E0000-0x00000000008E9000-memory.dmp

Filesize
36KB

Download
memory/4592-136-0x000000000099E000-0x00000000009AF000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads