Analysis
- max time kernel
135s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
28/04/2023, 04:29
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
PO52024.exe
Resource
win7-20230220-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
PO52024.exe
Resource
win10v2004-20230220-en
13 signatures
150 seconds
General
- Target PO52024.exe
- Size 816KB
- Sample230428-e4mjxsbg49
- SHA256 c6e1df8bf12734eb6c733eb4902fa73a1d1b431dca5ab7b4501ec030c4e9f1e0
- MD5 fd29fe806b0ffbceb3f3250e62199fad
- SHA1 4d685278ac209d8ba698e4bc421b82c50f1010bb
- SHA512 5deb960258cf637aed2edf8d38c34bb1ae9b5021f7b68749aa4c99ded0fe31788e429030b4a4492d83ffbd545da41a66d5ab6e24330a25b0fdd7f249561ad0f7
- SSDEEP 12288:Qi/9WflU/9RCEGIxCmbjaTpgfAmjAxqOD3qCIOJozpW:ZylUyJKPhfBcRr1J
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
snakekeylogger
C2
-
https://api.telegram.org/bot5725545513:AAF0ULWHvMJTLlnqMYoWe0CkOpQ7zVO0wLI/sendMessage?chat_id=5738281136
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 2 IoCs
resource yara_rule behavioral2/memory/3916-140-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral2/memory/3916-143-0x00000000051C0000-0x00000000051D0000-memory.dmp family_snakekeylogger - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO52024.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO52024.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO52024.exe - Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 36 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2232 set thread context of 3916 2232 PO52024.exe 91 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2232 PO52024.exe 2232 PO52024.exe 3916 PO52024.exe 3916 PO52024.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2232 PO52024.exe Token: SeDebugPrivilege 3916 PO52024.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2232 wrote to memory of 3916 2232 PO52024.exe 91 PID 2232 wrote to memory of 3916 2232 PO52024.exe 91 PID 2232 wrote to memory of 3916 2232 PO52024.exe 91 PID 2232 wrote to memory of 3916 2232 PO52024.exe 91 PID 2232 wrote to memory of 3916 2232 PO52024.exe 91 PID 2232 wrote to memory of 3916 2232 PO52024.exe 91 PID 2232 wrote to memory of 3916 2232 PO52024.exe 91 PID 2232 wrote to memory of 3916 2232 PO52024.exe 91 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO52024.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO52024.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO52024.exe"C:\Users\Admin\AppData\Local\Temp\PO52024.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Users\Admin\AppData\Local\Temp\PO52024.exe"C:\Users\Admin\AppData\Local\Temp\PO52024.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3916
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO52024.exe.log
- Size 1KB
- SHA256 8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4
- MD5 b7b9acb869ccc7f7ecb5304ec0384dee
- SHA1 6a90751c95817903ee833d59a0abbef425a613b3
- SHA512 7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764
- MD5 SHA1 SHA512