Analysis
- max time kernel
151s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
24/03/2024, 08:27
General
- Target tmp.exe
- Size 284KB
- Sample240324-kcwamsbb99
- SHA256 a7f605d4110bba430e02c7c5240e656fb3f1dd7f02dce985e9e5677169c9de55
Malware Config
Extracted
-
smokeloader
-
2022
-
http://glueberry-og.cc/
-
http://glueberry-og.co/
-
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 6 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
-
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 use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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
-
-
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=4104 --field-trial-handle=2256,i,9172343514068348080,519219714517961765,262144 --variations-seed-version /prefetch:81⤵
-
C:\Users\Admin\AppData\Roaming\wshgtgdC:\Users\Admin\AppData\Roaming\wshgtgd1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
wshgtgd
memory/1264-8-0x0000000005970000-0x0000000005A02000-memory.dmp
memory/1264-1-0x0000000000020000-0x000000000006E000-memory.dmp
memory/1264-3-0x0000000004AA0000-0x0000000004AB0000-memory.dmp
memory/1264-4-0x0000000005730000-0x000000000577A000-memory.dmp
memory/1264-5-0x0000000005780000-0x00000000057B2000-memory.dmp
memory/1264-6-0x00000000057D0000-0x0000000005802000-memory.dmp
memory/1264-7-0x0000000005800000-0x000000000584C000-memory.dmp
memory/1264-0-0x0000000074B20000-0x00000000752D0000-memory.dmp
memory/1264-2-0x0000000004F10000-0x00000000054B4000-memory.dmp
memory/1264-9-0x0000000005A10000-0x0000000005A76000-memory.dmp
memory/1264-14-0x0000000074B20000-0x00000000752D0000-memory.dmp
memory/1408-28-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/1408-26-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/1408-25-0x0000000000F00000-0x0000000000F12000-memory.dmp
memory/1764-13-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1764-17-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1764-11-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3492-15-0x0000000002590000-0x00000000025A6000-memory.dmp