Malware Analysis Report

2024-11-13 18:56

Sample ID 240223-ffx67abg66
Target ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0
SHA256 ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0
Tags
smokeloader pub3 backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0

Threat Level: Known bad

The file ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Uses Task Scheduler COM API

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-23 04:49

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-23 04:49

Reported

2024-02-23 04:54

Platform

win7-20240221-en

Max time kernel

300s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Deletes itself

Description Indicator Process Target
N/A N/A N/A N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A N/A N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A N/A N/A
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Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A N/A N/A
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Processes

C:\Users\Admin\AppData\Local\Temp\ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0.exe

"C:\Users\Admin\AppData\Local\Temp\ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 sjyey.com udp
IR 2.180.10.7:80 sjyey.com tcp
IR 2.180.10.7:80 sjyey.com tcp
IR 2.180.10.7:80 sjyey.com tcp
IR 2.180.10.7:80 sjyey.com tcp
IR 2.180.10.7:80 sjyey.com tcp
IR 2.180.10.7:80 sjyey.com tcp
IR 2.180.10.7:80 sjyey.com tcp
IR 2.180.10.7:80 sjyey.com tcp
IR 2.180.10.7:80 sjyey.com tcp

Files

memory/2204-1-0x00000000008F0000-0x00000000009F0000-memory.dmp

memory/2204-2-0x0000000000220000-0x000000000022B000-memory.dmp

memory/2204-3-0x0000000000400000-0x0000000000816000-memory.dmp

memory/1252-4-0x0000000002A50000-0x0000000002A66000-memory.dmp

memory/2204-5-0x0000000000400000-0x0000000000816000-memory.dmp

memory/2204-8-0x0000000000220000-0x000000000022B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-23 04:49

Reported

2024-02-23 04:54

Platform

win10-20240221-en

Max time kernel

301s

Max time network

279s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Deletes itself

Description Indicator Process Target
N/A N/A N/A N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0.exe

"C:\Users\Admin\AppData\Local\Temp\ae6c389a5f247b3249b96bd4a6fb52d59227ee9def9fc34eb45b2e790ccb66b0.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 sjyey.com udp
KR 211.181.24.132:80 sjyey.com tcp
KR 211.181.24.132:80 sjyey.com tcp
US 8.8.8.8:53 132.24.181.211.in-addr.arpa udp
KR 211.181.24.132:80 sjyey.com tcp
KR 211.181.24.132:80 sjyey.com tcp
KR 211.181.24.132:80 sjyey.com tcp
KR 211.181.24.132:80 sjyey.com tcp
KR 211.181.24.132:80 sjyey.com tcp
KR 211.181.24.132:80 sjyey.com tcp
KR 211.181.24.132:80 sjyey.com tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 5.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp

Files

memory/4352-1-0x00000000009C0000-0x0000000000AC0000-memory.dmp

memory/4352-2-0x0000000000960000-0x000000000096B000-memory.dmp

memory/4352-3-0x0000000000400000-0x0000000000816000-memory.dmp

memory/3444-4-0x0000000000940000-0x0000000000956000-memory.dmp

memory/4352-5-0x0000000000400000-0x0000000000816000-memory.dmp