Analysis
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max time kernel
153s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-04-2022 02:16
General
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Target
239f15b4cd5a3be1b71da1cf09d67d1560569a4272838948141b79967367157e.exe
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Size
1.4MB
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MD5
d37c977afd1ae6aa6e0b004322adb33c
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SHA1
5360e8f454b9b4368bcf930725dc16640533a65d
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SHA256
239f15b4cd5a3be1b71da1cf09d67d1560569a4272838948141b79967367157e
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SHA512
e5f78b9e620e2e0869a7ae62fa4fd1e9bee2e880a7c85c49e4581b8cd903f688e34505025d7cd584325ef2aba1c448ce0334a44d0df60a9e971b6f52986d1fb8
Malware Config
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main Payload 1 IoCs
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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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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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Accesses Microsoft Outlook profiles 1 TTPs 42 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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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: AddClipboardFormatListener 1 IoCs
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Suspicious behavior: EnumeratesProcesses 7 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 14 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\239f15b4cd5a3be1b71da1cf09d67d1560569a4272838948141b79967367157e.exe"C:\Users\Admin\AppData\Local\Temp\239f15b4cd5a3be1b71da1cf09d67d1560569a4272838948141b79967367157e.exe"1⤵
- Checks computer location settings
- 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\bogeIdjHjdIw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD755.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\239f15b4cd5a3be1b71da1cf09d67d1560569a4272838948141b79967367157e.exe"C:\Users\Admin\AppData\Local\Temp\239f15b4cd5a3be1b71da1cf09d67d1560569a4272838948141b79967367157e.exe"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\239f15b4cd5a3be1b71da1cf09d67d1560569a4272838948141b79967367157e.exe'3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD517573558c4e714f606f997e5157afaac
SHA113e16e9415ceef429aaf124139671ebeca09ed23
SHA256c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553
SHA512f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc
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Filesize
1KB
MD5d917d0c58edf6066ae288fb44af8817c
SHA1c0fbe6ae602e3bd3eaffa54e8229fcb2e439dc5d
SHA25678b7d3e446ba4de929e793060f13ec5f9684505ce0cea589a99bbd45e43a5b3e
SHA5127b7ac610c261dead79e2b96cd16322a582a3a02ad59942bd5437bf989cfd0d9762fdb47d20e7cec4d5c07c925ef17d370135c2a1217d9ec528eb9151b2cf7e95
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Filesize
200KB
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Filesize
304KB
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Filesize
32KB
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Filesize
104KB
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Filesize
56KB
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Filesize
600KB
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Filesize
40KB
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Filesize
104KB
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Filesize
6.5MB
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Filesize
120KB
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-
Filesize
8KB
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Filesize
216KB
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Filesize
6.2MB
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Filesize
136KB
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Filesize
408KB
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Filesize
120KB
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Filesize
1.4MB
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Filesize
40KB
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Filesize
624KB
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Filesize
5.6MB
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Filesize
584KB
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Filesize
344KB
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Filesize
320KB
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Filesize
8KB
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Filesize
408KB
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Filesize
536KB
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