Analysis
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max time kernel
41s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
20/12/2022, 01:18
Static task
static1
Behavioral task
behavioral1
Sample
Payment.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
Payment.exe
Resource
win10v2004-20220812-en
General
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Target
Payment.exe
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Size
947KB
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MD5
7084794e65207923c736c1e55e87abb8
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SHA1
cd657ba0e8442abe779fc7db5a63d502b6ef162e
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SHA256
34b91aa79335759905f9405680460480b9d3a759c32e972192c0e6c41f3d7c36
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SHA512
b03c499251d5739b1a5d05aea6e59a55432cbbd10034180814d1756d649f94aaead241e0dd91edd456a595108e5fb002ef3ccdd3eeabd5d16ec1e53256af8025
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SSDEEP
12288:UaXrxR6wz8NxSN2iNXHoHymQSi9rMebjjnk5X:dXrzB1ZH2yRrjjn
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot5484820495:AAGEjy8dT72vJZImmHLmeh3onMuG9LLRD5A/sendMessage?chat_id=5101327412
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 6 IoCs
resource yara_rule behavioral1/memory/664-64-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/664-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/664-67-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/664-68-0x000000000042022E-mapping.dmp family_snakekeylogger behavioral1/memory/664-72-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/664-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2028 set thread context of 664 2028 Payment.exe 31 -
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.
pid Process 532 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2028 Payment.exe 664 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2028 Payment.exe Token: SeDebugPrivilege 664 RegSvcs.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 2028 wrote to memory of 532 2028 Payment.exe 28 PID 2028 wrote to memory of 532 2028 Payment.exe 28 PID 2028 wrote to memory of 532 2028 Payment.exe 28 PID 2028 wrote to memory of 532 2028 Payment.exe 28 PID 2028 wrote to memory of 828 2028 Payment.exe 30 PID 2028 wrote to memory of 828 2028 Payment.exe 30 PID 2028 wrote to memory of 828 2028 Payment.exe 30 PID 2028 wrote to memory of 828 2028 Payment.exe 30 PID 2028 wrote to memory of 828 2028 Payment.exe 30 PID 2028 wrote to memory of 828 2028 Payment.exe 30 PID 2028 wrote to memory of 828 2028 Payment.exe 30 PID 2028 wrote to memory of 664 2028 Payment.exe 31 PID 2028 wrote to memory of 664 2028 Payment.exe 31 PID 2028 wrote to memory of 664 2028 Payment.exe 31 PID 2028 wrote to memory of 664 2028 Payment.exe 31 PID 2028 wrote to memory of 664 2028 Payment.exe 31 PID 2028 wrote to memory of 664 2028 Payment.exe 31 PID 2028 wrote to memory of 664 2028 Payment.exe 31 PID 2028 wrote to memory of 664 2028 Payment.exe 31 PID 2028 wrote to memory of 664 2028 Payment.exe 31 PID 2028 wrote to memory of 664 2028 Payment.exe 31 PID 2028 wrote to memory of 664 2028 Payment.exe 31 PID 2028 wrote to memory of 664 2028 Payment.exe 31 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment.exe"C:\Users\Admin\AppData\Local\Temp\Payment.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fCPnTIFtR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8A08.tmp"2⤵
- Creates scheduled task(s)
PID:532
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵PID:828
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:664
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD51c95c22ec9857ebce1e43af2e65a3e69
SHA1ce3c70ad60872ade9ae424468482f00ce842c10d
SHA256afa9a8559415233533d6b67080468bdf8b1e58ecb2cf0af7a3c752f417482ac3
SHA51296f5ac6761fe25df2523a9a43091a92a80fc7caba914ce5dc09e3f311b21b54ca3b1531df1995dceb63075e0d3d9d45ff9a8a4b6fdfd341e17dad1e01ccf0b66