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Analysis
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max time kernel
150s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
02/04/2024, 13:54
General
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Target
NO#CU-92504 Xls.exe
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Size
1.1MB
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MD5
59d184058f8e0a314db11d6f07f600fd
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SHA1
5e4b55295fd2b4cc5965fa1e8b322260c5d2a2b6
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SHA256
65df886edbea1a5bc833dba4e8e5126ad6326fa44f49e146a9c4b8b34fe75333
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SHA512
94adda18b842f927693d6831becbb10c249867c466cb3f2659dc1def9ae05024c7d8cf8a4567fc19f5a1c67495a7994010e1e3e3b3f7784f55f8f7916e190d8c
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SSDEEP
24576:mZRToVSu+nsc24YQeP18a5v8UKyd0c7u3yd2OluON4fA9uC:mZRToAu+ns082evFbdLu3yd2OluON4ff
Malware Config
Signatures
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HawkEye
HawkEye is a malware kit that has seen continuous development since at least 2013.
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
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NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
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NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
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Nirsoft 9 IoCs
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Looks for VMWare Tools registry key 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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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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Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext 3 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 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 64 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 35 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\NO#CU-92504 Xls.exe"C:\Users\Admin\AppData\Local\Temp\NO#CU-92504 Xls.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pbFphueKZdI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD273.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\NO#CU-92504 Xls.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\NO#CU-92504 Xls.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\NO#CU-92504 Xls.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Accesses Microsoft Outlook accounts
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"3⤵
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD55200da2e50f24d5d543c3f10674acdcb
SHA1b574a3336839882d799c0a7f635ea238efb934ee
SHA256d2d81c1c9d35bc66149beaa77029bee68664d8512fc1efe373180bab77d61026
SHA51224722a7de3250a6027a411c8b79d0720554c4efd59553f54b94ab77dc21efbf3191e0912901db475f08a6e9c1855d9e9594504d80d27300097418f4384a9d9cb
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Filesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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Filesize
1KB
MD56a8c3660403a3fe2dc66bba35a1eca7f
SHA17ef084082683ba365cede5bca9d2a5924896ee60
SHA256d945f5739a8568581d214c61529015a18c6c1d4cfa1e7f808b9556758a5d7886
SHA51236a06cf7754d11ec2e88024d0db25b0ab8590ef82b49f163f09599b0c1d6bf2904811e6b4691d710d447cda0cc3719cdb799111449a09bf8ed65c43d8c19ffbb
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Filesize
48KB
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Filesize
5.6MB
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Filesize
64KB
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Filesize
40KB
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Filesize
344KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
544KB
-
Filesize
408KB
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Filesize
800KB
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Filesize
1.2MB
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Filesize
624KB
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Filesize
584KB
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Filesize
352KB
-
Filesize
352KB
-
Filesize
352KB
-
Filesize
352KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
108KB
-
Filesize
804KB
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Filesize
108KB
-
Filesize
64KB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
32KB
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Filesize
544KB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
64KB