Analysis
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max time kernel
144s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
27-08-2024 12:33
General
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Target
TT ViewBot v3.7/bot_start.exe
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Size
197KB
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MD5
9c29f4415a735c3d9ee26ca06385d502
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SHA1
127b2d6c2e63bf3ff6fb8fb055a272e088fd851d
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SHA256
c4174541aa2cef599aee7a376e5de3393446f0018a850fcf1c6658da9692bed5
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SHA512
ac2cf91b4ef1dc72c10d5affa83305aa011b733ffc7ce10b87efe8e91d2a9dda72a52a3806f8a20e6bd02a1873677d74a793d5359c8e235bf64fdd23946927d6
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SSDEEP
1536:cHc9JW77pHtDEOFYPUh7N9H/sPafochTLZ61tISqS9HwRXBuS7pR72BfLJFBLbbI:ayy9HwSLZ6vTjHwBBybvIJe9
Malware Config
Signatures
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PureLog Stealer
PureLog Stealer is an infostealer written in C#.
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PureLog Stealer payload 1 IoCs
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 2 IoCs
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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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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Adds Run key to start application 2 TTPs 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs
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Browser Information Discovery 1 TTPs
Enumerate browser information.
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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 2 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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Modifies registry class 2 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 2 IoCs
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Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\TT ViewBot v3.7\bot_start.exe"C:\Users\Admin\AppData\Local\Temp\TT ViewBot v3.7\bot_start.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\sWsmPty.exe"C:\Users\Admin\AppData\Roaming\sWsmPty.exe"2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Roaming\VC_redistx64.exe"C:\Users\Admin\AppData\Roaming\VC_redistx64.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
1Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.6MB
MD5dab13157795e19d8fe050f65ce49401d
SHA1ecb6f0a864fd92fb7c423d882f9a6ea703096318
SHA256d8b4ce77f87bfe0b958f01ea30f48cf53e6ff51b425a57abc4f83a71d47f58fc
SHA5125cdb82bf347dbdae3c8e3f376ad18fb48509af3da91e8d18876ee7adb9db9fa9d2476060bf5de1294d44e86d477486db9efa045bd45a86a0e6739d6cfa9cca89
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Filesize
13.2MB
MD5f94352e1545f9b8820885dca9baafcb4
SHA1710f642efb3e30e5e9a3abc7586997de1aac0852
SHA25607d614e26f1ab51b36eba12ba11e5deae3415688c6d6989e9a41d387884df763
SHA512d13ccb3b6ba61db1bc1a03438fda50e617ea531ea568aa86366909fecee01b8979e284552aac2441aa8bdeddf4c1634d1d5e82701697978986294f53196537ab
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.0MB
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Filesize
13.3MB
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Filesize
2.4MB
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Filesize
4KB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
4KB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
200KB
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Filesize
7.7MB
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Filesize
5.6MB
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Filesize
40KB
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Filesize
4KB
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Filesize
48KB
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Filesize
10.4MB
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Filesize
10.4MB
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Filesize
10.4MB
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Filesize
10.4MB
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Filesize
10.4MB
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Filesize
10.4MB
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Filesize
10.4MB
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Filesize
10.4MB
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Filesize
10.4MB
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Filesize
10.4MB
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Filesize
10.4MB
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Filesize
10.4MB
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Filesize
10.4MB