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Analysis
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max time kernel
149s -
max time network
136s -
platform
windows7_x64 -
resource
win7-20231130-en -
resource tags
arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-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
Extracted
redline
LiveTraffic
77.105.132.87:6731
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 2 IoCs
resource yara_rule behavioral1/memory/2540-12-0x00000000000F0000-0x000000000012C000-memory.dmp family_redline behavioral1/memory/2540-18-0x0000000007630000-0x0000000007670000-memory.dmp family_redline -
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 1364 Process not Found -
Executes dropped EXE 2 IoCs
pid Process 2540 5ADC.exe 1860 ihhisda -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4uZ060Ph.exe 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 ihhisda Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ihhisda Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ihhisda -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2376 4uZ060Ph.exe 2376 4uZ060Ph.exe 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found 1364 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2376 4uZ060Ph.exe 1860 ihhisda -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 1364 Process not Found Token: SeShutdownPrivilege 1364 Process not Found Token: SeShutdownPrivilege 1364 Process not Found Token: SeDebugPrivilege 2540 5ADC.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1364 Process not Found 1364 Process not Found -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1364 Process not Found 1364 Process not Found -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1364 wrote to memory of 2540 1364 Process not Found 28 PID 1364 wrote to memory of 2540 1364 Process not Found 28 PID 1364 wrote to memory of 2540 1364 Process not Found 28 PID 1364 wrote to memory of 2540 1364 Process not Found 28 PID 848 wrote to memory of 1860 848 taskeng.exe 33 PID 848 wrote to memory of 1860 848 taskeng.exe 33 PID 848 wrote to memory of 1860 848 taskeng.exe 33 PID 848 wrote to memory of 1860 848 taskeng.exe 33 -
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:2376
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C:\Users\Admin\AppData\Local\Temp\5ADC.exeC:\Users\Admin\AppData\Local\Temp\5ADC.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2540
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C:\Windows\system32\taskeng.exetaskeng.exe {9C06A4D2-BB51-43E8-BC61-3BB531BA8F40} S-1-5-21-2058106572-1146578376-825901627-1000:LPKQNNGV\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:848 -
C:\Users\Admin\AppData\Roaming\ihhisdaC:\Users\Admin\AppData\Roaming\ihhisda2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1860
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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