smokeloader | 7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285

Analysis

max time kernel
150s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06-10-2022 00:33

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General

Target

7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe
Size

147KB
MD5

18a143c262d797a8af69490342be6dcd
SHA1

10316739640f41776cc938ba0c9b9029f55b3326
SHA256

7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285
SHA512

d85a6cbd2c55681d31acb7a5e4353eaefe476197b4ed54e83e34e78eea0f5837c5643db76ef0086e7d77055ccb6f2119f2225eb4af95969bb9f1546f34c08794
SSDEEP

3072:6tQxHgehf9oUu8HmyLznBtdYlLfMz/z0jQA58/O:cg6PgDLVyLfMz/ojQM8/

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2064-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3540-135-0x00000000006D0000-0x00000000006D9000-memory.dmp	family_smokeloader
behavioral1/memory/2064-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2064-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe

description	pid	process	target process
PID 3540 set thread context of 2064	3540	7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe	7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.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:

7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe

pid	process
2064	7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe
2064	7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2440
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe

pid process

2064 7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe

pid	process
2440

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe

description	pid	process	target process
PID 3540 wrote to memory of 2064	3540	7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe	7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe
PID 3540 wrote to memory of 2064	3540	7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe	7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe
PID 3540 wrote to memory of 2064	3540	7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe	7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe
PID 3540 wrote to memory of 2064	3540	7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe	7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe
PID 3540 wrote to memory of 2064	3540	7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe	7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe
PID 3540 wrote to memory of 2064	3540	7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe	7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe

C:\Users\Admin\AppData\Local\Temp\7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe
"C:\Users\Admin\AppData\Local\Temp\7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3540

C:\Users\Admin\AppData\Local\Temp\7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe
"C:\Users\Admin\AppData\Local\Temp\7ca1e947058c5fd727b73b87834cddf260c1afe4ce89a9707cf4d03eeffc2285.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2064

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2064-132-0x0000000000000000-mapping.dmp

Download
memory/2064-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2064-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2064-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3540-134-0x000000000087D000-0x000000000088E000-memory.dmp

Filesize
68KB

Download
memory/3540-135-0x00000000006D0000-0x00000000006D9000-memory.dmp

Filesize
36KB

Download