Analysis
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max time kernel
147s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 00:59
Static task
static1
Behavioral task
behavioral1
Sample
payment_copy.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
payment_copy.exe
Resource
win10v2004-20220414-en
General
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Target
payment_copy.exe
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Size
863KB
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MD5
3e720d22703dca6b558d1eb8bd522d84
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SHA1
34377b298eaf020b635310e65b91ac729fa87972
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SHA256
a98bc56a3689009619845fc3491c944ee12408cfe457e0a59fb2fae808c784f2
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SHA512
71a80305b6e4dbb625f951749de2a77980bcee1356b8ea558756ff687cbf1db50f82cea86879ef796fca09afb09dc8c27d47f9fd0e3c4446f44a6fba6cee9255
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
Blessed000@
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
payment_copy.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation payment_copy.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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 2 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
Processes:
payment_copy.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 payment_copy.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 payment_copy.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 payment_copy.exe -
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: EnumeratesProcesses 2 IoCs
Processes:
payment_copy.exepid process 2300 payment_copy.exe 2300 payment_copy.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
payment_copy.exedescription pid process Token: SeDebugPrivilege 2300 payment_copy.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
payment_copy.exedescription pid process target process PID 2300 wrote to memory of 4816 2300 payment_copy.exe schtasks.exe PID 2300 wrote to memory of 4816 2300 payment_copy.exe schtasks.exe PID 2300 wrote to memory of 4816 2300 payment_copy.exe schtasks.exe -
outlook_office_path 1 IoCs
Processes:
payment_copy.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 payment_copy.exe -
outlook_win_path 1 IoCs
Processes:
payment_copy.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 payment_copy.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\payment_copy.exe"C:\Users\Admin\AppData\Local\Temp\payment_copy.exe"1⤵
- 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\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QYItpQsusSrzR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp50DF.tmp"2⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp50DF.tmpFilesize
1KB
MD5d7fe3ba78738e1e3c9721cff8d0a33b7
SHA1eb78c984b09ff1701443c6c1e7907001f8152288
SHA2568dcad90402f256b728b51492ed7fd632c51daa9947d49b627b52a541eb58a804
SHA5120f8e8fefa0990b28a51bdb77627aa06efc476c487650957a16c6ec5da17dfd673e34d9a0b16adb8fae1fc16fca553c90117a9ab3aa55388af3c3187c0d6f6f2b
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memory/2300-130-0x0000000000780000-0x000000000085E000-memory.dmpFilesize
888KB
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memory/2300-131-0x00000000056E0000-0x0000000005C84000-memory.dmpFilesize
5.6MB
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memory/2300-132-0x0000000005130000-0x00000000051C2000-memory.dmpFilesize
584KB
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memory/2300-133-0x00000000050C0000-0x00000000050CA000-memory.dmpFilesize
40KB
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memory/2300-134-0x0000000008880000-0x000000000891C000-memory.dmpFilesize
624KB
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memory/2300-137-0x0000000009460000-0x00000000094C6000-memory.dmpFilesize
408KB
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memory/2300-138-0x0000000009960000-0x00000000099B0000-memory.dmpFilesize
320KB
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memory/4816-135-0x0000000000000000-mapping.dmp