Analysis
- max time kernel
155s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
14/03/2024, 11:38
General
- Target tmp.exe
- Size 284KB
- Sample240314-nr7trsdc29
- SHA256 a7f605d4110bba430e02c7c5240e656fb3f1dd7f02dce985e9e5677169c9de55
Malware Config
Extracted
-
smokeloader
-
2022
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http://glueberry-og.cc/
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http://glueberry-og.co/
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http://glueberry-og.to/
Signatures
- PureLog Stealer
PureLog Stealer is an infostealer written in C#.
- PureLog Stealer payload 1 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 9 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
- 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\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4168 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:81⤵
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C:\Users\Admin\AppData\Roaming\fjtuvrjC:\Users\Admin\AppData\Roaming\fjtuvrj1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
fjtuvrj
memory/1252-11-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1252-17-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1252-13-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1956-8-0x0000000006190000-0x0000000006222000-memory.dmp
memory/1956-3-0x0000000002C20000-0x0000000002C30000-memory.dmp
memory/1956-6-0x0000000005DB0000-0x0000000005DE2000-memory.dmp
memory/1956-7-0x0000000006050000-0x000000000609C000-memory.dmp
memory/1956-0-0x00000000744B0000-0x0000000074C60000-memory.dmp
memory/1956-9-0x0000000006230000-0x0000000006296000-memory.dmp
memory/1956-4-0x0000000005FD0000-0x000000000601A000-memory.dmp
memory/1956-5-0x0000000006020000-0x0000000006052000-memory.dmp
memory/1956-14-0x00000000744B0000-0x0000000074C60000-memory.dmp
memory/1956-2-0x00000000057F0000-0x0000000005D94000-memory.dmp
memory/1956-1-0x00000000008C0000-0x000000000090E000-memory.dmp
memory/3164-15-0x00000000023A0000-0x00000000023B6000-memory.dmp
memory/3332-25-0x0000000000510000-0x0000000000522000-memory.dmp
memory/3332-26-0x0000000074550000-0x0000000074D00000-memory.dmp
memory/3332-28-0x0000000074550000-0x0000000074D00000-memory.dmp