Analysis
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max time kernel
133s -
max time network
135s -
platform
windows10-1703_x64 -
resource
win10-20240404-ja -
resource tags
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submitted
16-10-2024 08:03
General
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Target
【見積依頼】(AKFNo.20241016AA).exe
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Size
549KB
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MD5
99cf89ca25a9990c9b21e8b3228f2280
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SHA1
bbc3cd09efbe5205d0791aa09fa55927cd2a8b60
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SHA256
c35a5064529bdfac908b22db56c9f874763a7f9562970828b2afd3dca5a53a05
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SHA512
cab9c279637ece8a02df86414dfce7c829660402cf393c80071af4569898d39851534fb5b39370c4141da208d5726e2150c4328792bb454ae5aafebd8ffe0cd1
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SSDEEP
12288:o/nRunZUtCbQXJv7ftdAQHQfo2HVfSkpa5ICD4kdAozQ:wR0CtDXJ2fo2HVfj9Fe
Malware Config
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory 1 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 11 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of SetWindowsHookEx 2 IoCs
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Suspicious use of WriteProcessMemory 17 IoCs
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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.
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\【見積依頼】(AKFNo.20241016AA).exe"C:\Users\Admin\AppData\Local\Temp\【見積依頼】(AKFNo.20241016AA).exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\【見積依頼】(AKFNo.20241016AA).exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\【見積依頼】(AKFNo.20241016AA).exe"C:\Users\Admin\AppData\Local\Temp\【見積依頼】(AKFNo.20241016AA).exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\【見積依頼】(AKFNo.20241016AA).exe"C:\Users\Admin\AppData\Local\Temp\【見積依頼】(AKFNo.20241016AA).exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\【見積依頼】(AKFNo.20241016AA).exe"C:\Users\Admin\AppData\Local\Temp\【見積依頼】(AKFNo.20241016AA).exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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C:\Windows\system32\mmc.exe"C:\Windows\system32\mmc.exe" "C:\Windows\system32\taskschd.msc" /s1⤵
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
152KB
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Filesize
80KB
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Filesize
1.8MB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
1.1MB
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Filesize
56KB
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Filesize
1.6MB
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Filesize
136KB
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Filesize
432KB
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Filesize
4KB
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Filesize
1.1MB
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Filesize
416KB
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Filesize
72KB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
624KB
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Filesize
40KB
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Filesize
6.9MB
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Filesize
4KB
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Filesize
3.3MB
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Filesize
680KB
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Filesize
584KB
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Filesize
5.0MB
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Filesize
568KB
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Filesize
408KB
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Filesize
472KB
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Filesize
300KB
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Filesize
120KB
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Filesize
204KB
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Filesize
660KB
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Filesize
320KB
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Filesize
592KB
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Filesize
104KB
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Filesize
32KB
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Filesize
300KB
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Filesize
112KB
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Filesize
64KB
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Filesize
136KB
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Filesize
408KB
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Filesize
584KB
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Filesize
6.2MB
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Filesize
216KB