Analysis
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max time kernel
52s -
max time network
134s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30-01-2023 08:15
Behavioral task
behavioral1
Sample
SKB Group Payment Copy.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
SKB Group Payment Copy.exe
Resource
win10v2004-20221111-en
General
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Target
SKB Group Payment Copy.exe
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Size
17KB
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MD5
2802d697d95edd8336848c1857d2a442
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SHA1
e917b6335c084c351fe13a1a135e90c1eb6fa84b
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SHA256
64a050fdf78525e6d76e2349a1ccc58724bf77b6e3351e364c54f9235fa57d75
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SHA512
0b800e82ef85c00b92bfe249d0750e729ce997b2003004f58a47de8ce8a84601296a29412316483c651c5a910551ca5f63f23a9cd986b00d358dc261b1d1b25e
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SSDEEP
192:rfJhIw7mZgeQLZFfWKhPD+YB5/Daryr13kQf3gvxk4Hkqyhh:zJS4mZgPLZFOqr+YX/D2yrlffkxttyh
Malware Config
Extracted
purecrypter
https://kosmikband.com/wtrash/Sgbhqhvv.dll
Extracted
agenttesla
Protocol: smtp- Host:
mail.expostore.pk - Port:
587 - Username:
[email protected] - Password:
Expostore12345@@ - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect PureCrypter injector 1 IoCs
resource yara_rule behavioral1/memory/1444-56-0x00000000069B0000-0x0000000006C24000-memory.dmp family_purecrypter -
PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKB Group Payment Copy.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKB Group Payment Copy.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKB Group 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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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1924 powershell.exe 1444 SKB Group Payment Copy.exe 1444 SKB Group Payment Copy.exe 1444 SKB Group Payment Copy.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1444 SKB Group Payment Copy.exe Token: SeDebugPrivilege 1924 powershell.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1444 wrote to memory of 1924 1444 SKB Group Payment Copy.exe 26 PID 1444 wrote to memory of 1924 1444 SKB Group Payment Copy.exe 26 PID 1444 wrote to memory of 1924 1444 SKB Group Payment Copy.exe 26 PID 1444 wrote to memory of 1924 1444 SKB Group Payment Copy.exe 26 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKB Group Payment Copy.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SKB Group Payment Copy.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SKB Group Payment Copy.exe"C:\Users\Admin\AppData\Local\Temp\SKB Group Payment Copy.exe"1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1444 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1924
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