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Analysis
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max time kernel
152s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
11/12/2023, 07:09
Behavioral task
behavioral1
Sample
4uZ060Ph.exe
Resource
win7-20231130-en
Behavioral task
behavioral2
Sample
4uZ060Ph.exe
Resource
win10v2004-20231127-en
General
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Target
4uZ060Ph.exe
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Size
37KB
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MD5
8837a89b82d0d3b0259cc9f47b2e599b
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SHA1
51dd86a6a717a8f1470fff7a65f96c983aa71f09
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SHA256
ad5c98936429f847e6808a4efdb80faf452a5c5c31d91f9f7de2560e51478701
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SHA512
4a6c660c78bc99916d68978243f1140203a5805a3a7ae7a1749c609bd5aaf06b9ac253c09c0a206acdb832b45bc1ab700a5beb98024131779a45c70b53c7bc71
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SSDEEP
768:d8n3N4JRqwg8UTB+8zx70f0PSuopLwlFFWO7:dmN4JRrg8ypxSKFFX
Malware Config
Extracted
smokeloader
2022
http://81.19.131.34/fks/index.php
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Downloads MZ/PE file
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Deletes itself 1 IoCs
pid Process 3312 Process not Found -
Executes dropped EXE 2 IoCs
pid Process 1056 61E2.exe 1644 jivtsbh -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4uZ060Ph.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4uZ060Ph.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI jivtsbh Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI jivtsbh Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI jivtsbh Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4uZ060Ph.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3924 4uZ060Ph.exe 3924 4uZ060Ph.exe 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found 3312 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 3924 4uZ060Ph.exe 1644 jivtsbh -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3312 Process not Found -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3312 wrote to memory of 1056 3312 Process not Found 93 PID 3312 wrote to memory of 1056 3312 Process not Found 93 PID 3312 wrote to memory of 1056 3312 Process not Found 93 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\4uZ060Ph.exe"C:\Users\Admin\AppData\Local\Temp\4uZ060Ph.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3924
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C:\Users\Admin\AppData\Local\Temp\61E2.exeC:\Users\Admin\AppData\Local\Temp\61E2.exe1⤵
- Executes dropped EXE
PID:1056
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C:\Users\Admin\AppData\Roaming\jivtsbhC:\Users\Admin\AppData\Roaming\jivtsbh1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1644
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
401KB
MD5f88edad62a7789c2c5d8047133da5fa7
SHA141b1f056cdda764a1c7c402c6fa4f8ab2f3ce5f9
SHA256eb2b1ce5574096b91eb9e0482117d2518ab188c0747a209dc77e88d30bb970dc
SHA512e2d5b0ace5dfd3bd2321b2a42b7e7725071ca440389dc5ef12720a34727ae84c2907cd7befeae5d53568d9deaee8443f4cbda44b598cfc9b6316d9389be09a60
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Filesize
37KB
MD58837a89b82d0d3b0259cc9f47b2e599b
SHA151dd86a6a717a8f1470fff7a65f96c983aa71f09
SHA256ad5c98936429f847e6808a4efdb80faf452a5c5c31d91f9f7de2560e51478701
SHA5124a6c660c78bc99916d68978243f1140203a5805a3a7ae7a1749c609bd5aaf06b9ac253c09c0a206acdb832b45bc1ab700a5beb98024131779a45c70b53c7bc71