Analysis
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max time kernel
104s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20/04/2022, 05:31
General
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Target
5751f943c8f15eae31446c0cd79482c84c164adb75bdc3600b1a4b00d6ab9316.exe
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Size
825KB
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MD5
292770f7aebc82296715706fd546eb46
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SHA1
8f5c8b3644d524e83d81c282318876ac606991cc
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SHA256
5751f943c8f15eae31446c0cd79482c84c164adb75bdc3600b1a4b00d6ab9316
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SHA512
d5eb0ed8e31bc89a731304699e2b8d2dd09a52f12ae9d9b9503e376c18717513801d9227e0e3f7fec1b41d540dc61a9d51cee4807e2de9468119ac27fc7808ca
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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Executes dropped EXE 1 IoCs
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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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Loads dropped DLL 1 IoCs
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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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Suspicious behavior: EnumeratesProcesses 6 IoCs
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Suspicious use of AdjustPrivilegeToken 5 IoCs
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Suspicious use of WriteProcessMemory 11 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\5751f943c8f15eae31446c0cd79482c84c164adb75bdc3600b1a4b00d6ab9316.exe"C:\Users\Admin\AppData\Local\Temp\5751f943c8f15eae31446c0cd79482c84c164adb75bdc3600b1a4b00d6ab9316.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\AddInProcess32.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
42KB
MD59827ff3cdf4b83f9c86354606736ca9c
SHA1e73d73f42bb2a310f03eb1bcbb22be2b8eb7c723
SHA256c1cf3dc8fa1c7fc00f88e07ad539979b3706ca8d69223cffd1d58bc8f521f63a
SHA5128261828d55f3b5134c0aeb98311c04e20c5395d4347251746f3be0fb854f36cc7e118713cd00c9867537e6e47d5e71f2b2384fc00c67f0ae1b285b8310321579
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Filesize
42KB
MD59827ff3cdf4b83f9c86354606736ca9c
SHA1e73d73f42bb2a310f03eb1bcbb22be2b8eb7c723
SHA256c1cf3dc8fa1c7fc00f88e07ad539979b3706ca8d69223cffd1d58bc8f521f63a
SHA5128261828d55f3b5134c0aeb98311c04e20c5395d4347251746f3be0fb854f36cc7e118713cd00c9867537e6e47d5e71f2b2384fc00c67f0ae1b285b8310321579
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Filesize
94KB
MD514ff402962ad21b78ae0b4c43cd1f194
SHA1f8a510eb26666e875a5bdd1cadad40602763ad72
SHA256fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
SHA512daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b
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Filesize
304KB
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Filesize
120KB
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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
216KB
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Filesize
200KB
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Filesize
120KB
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Filesize
6.2MB
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Filesize
136KB
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Filesize
408KB
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Filesize
848KB
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Filesize
584KB
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Filesize
5.6MB
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Filesize
272KB
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Filesize
548KB
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Filesize
40KB
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Filesize
624KB
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Filesize
320KB
-
Filesize
408KB
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Filesize
536KB