smokeloader | bc7d784be1b39ceffbd87d02cdf56e3f4cb440582721fcff872dd8152d8382d1

Analysis

max time kernel
153s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
12-02-2023 21:03

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General

Target

file.exe
Size

185KB
MD5

4571ad86194c79776b4d9ec9beee3b6f
SHA1

3eceff153cb8868b9c8aae8863602dba0a2afbd2
SHA256

bc7d784be1b39ceffbd87d02cdf56e3f4cb440582721fcff872dd8152d8382d1
SHA512

d62a88e01b47d4b7ed03c8a79317a468ec3dba490562563c321874a0a9086f86bb3fd78966907c504a1c6fc2d751e6fa969de96b2c6847f3ce902e5cd1cd90a6
SSDEEP

3072:W7lkS+Hiks8x56DrTkR2pvzmYqmRUHfVm0Ag82wM:YxCgDrTvu9m5

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/304-56-0x0000000000220000-0x0000000000229000-memory.dmp	family_smokeloader

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

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

file.exe

pid	process
304	file.exe
304	file.exe
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Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

file.exe

pid process

304 file.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

pid process

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Suspicious use of SendNotifyMessage 2 IoCs

Processes:

pid process

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pid	process
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pid	process
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C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:304

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

Replay Monitor

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Downloads

memory/304-54-0x0000000076121000-0x0000000076123000-memory.dmp

Filesize
8KB

Download
memory/304-55-0x000000000094D000-0x0000000000963000-memory.dmp

Filesize
88KB

Download
memory/304-56-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/304-57-0x0000000000400000-0x000000000078A000-memory.dmp

Filesize
3.5MB

Download
memory/304-58-0x0000000000400000-0x000000000078A000-memory.dmp

Filesize
3.5MB

Download