Analysis
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max time kernel
126s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
08-11-2024 09:29
General
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Target
Pedido de Cotação-241107_Pdf.bat.exe
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Size
859KB
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MD5
8cebfa704d3634a606537d895816e5be
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SHA1
dbefde135d6f1f08febeec531ae15b053e4afd98
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SHA256
af42e687e09cde0d0244260e147d8a8d6d6d72122720ba86bbffc162343eff3c
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SHA512
edc2ede743b92d89b01ecd1e674d5f5587c428df919954b7463769d9db4468705f362c2fc1d195c5bf34669f8537e264827caeae8ebbf22b2594f08e9757c5e4
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SSDEEP
24576:K1r1Fid2Zjri8yfYDFaHHminnen2kXHeDApmFeLW/OMZ:K1r1Fi+ju4Zafni2kX+DApm6
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.recsb.com - Port:
587 - Username:
[email protected] - Password:
1=vI*r6^ - Email To:
[email protected]
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 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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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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Suspicious use of SetThreadContext 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 5 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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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 13 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of WriteProcessMemory 17 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\Pedido de Cotação-241107_Pdf.bat.exe"C:\Users\Admin\AppData\Local\Temp\Pedido de Cotação-241107_Pdf.bat.exe"1⤵
- Checks computer location settings
- 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\Pedido de Cotação-241107_Pdf.bat.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:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oqRwcWctcQ.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:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oqRwcWctcQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp172.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\Pedido de Cotação-241107_Pdf.bat.exe"C:\Users\Admin\AppData\Local\Temp\Pedido de Cotação-241107_Pdf.bat.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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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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Filesize
18KB
MD5940f225b68775c24b1b03082ae103cc2
SHA1bcd9bed8a59d189167b342466451f3842fe3f751
SHA2565e8be40617921c16251a0d64ec35302235eaeeab2c3ef1552ad7cf2d3cd8c3fc
SHA51220843a74e6811abb6de0afd3e2bd436f4acb45632946179d18903c6daeb85e4e8a82c6c3315d97386a87484ca3914b3d7d5656bf62b7e60172147f0c1bd62ea7
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5afafe8d169d063507c1164339dcf5b02
SHA19a02b33cb7694d3eacbbfc3f8048de1e58565dc9
SHA256f8c58a31929dee4af1cef17d10c51efd365da4c4d56d32eddf0fb0a60d69c825
SHA512e555f879cb1cf81adcf8ba4fcd67757dc470fde1ad22a2d01ec22f9d254833e0962154ea5d5a8017a60e696eb15c27b097e21c96c8dc5a6fb1ea199544071e0a
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Filesize
56KB
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Filesize
104KB
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Filesize
7.7MB
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Filesize
40KB
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Filesize
104KB
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Filesize
120KB
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Filesize
304KB
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Filesize
200KB
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Filesize
32KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
3.3MB
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Filesize
304KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
6.2MB
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Filesize
68KB
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Filesize
408KB
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Filesize
408KB
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Filesize
136KB
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Filesize
7.7MB
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Filesize
120KB
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Filesize
80KB
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Filesize
304KB
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Filesize
216KB
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Filesize
6.5MB
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Filesize
7.7MB
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Filesize
600KB
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Filesize
652KB
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Filesize
1.8MB
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Filesize
320KB
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Filesize
288KB
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Filesize
4KB
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Filesize
112KB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
624KB
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Filesize
40KB
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Filesize
584KB
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Filesize
5.6MB
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Filesize
880KB
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Filesize
7.7MB
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Filesize
560KB
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Filesize
7.7MB