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Analysis
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max time kernel
47s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
20/09/2022, 13:08
Static task
static1
Behavioral task
behavioral1
Sample
P O -82YWU8HNQMWK.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
P O -82YWU8HNQMWK.exe
Resource
win10v2004-20220812-en
General
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Target
P O -82YWU8HNQMWK.exe
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Size
756KB
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MD5
d0fc8acab7b14959a21de8c923c8a70c
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SHA1
b0a7c0355d2e4e41f0977f00e8072eeb70c674d0
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SHA256
ffc51f2ef0542e31be26668f49bf65a719ea827188707a83ca5421d2ad8b6fbc
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SHA512
28f0c196678b25fa7d4e9dd23c025497fd9a03a3d11d0c72062b25f34b2569f5d5320f96410f25f17b2f7d6bfe8f1de5eff5cc34a893b7209c72153b39b596e0
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SSDEEP
12288:LlM9v4jxXf1AZFFhtTV8rUzDEThhUVsDwlMbqjJ5n:yv41feh8rMDElhUeDwlNjr
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot5227573794:AAECZBnQSxLs0aOVsV2wnclC6-WKnxPpi_k/sendMessage?chat_id=5217421430
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/1056-64-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1056-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1056-67-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1056-68-0x00000000004202FE-mapping.dmp family_snakekeylogger behavioral1/memory/1056-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1056-72-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 P O -82YWU8HNQMWK.exe Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 P O -82YWU8HNQMWK.exe Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 P O -82YWU8HNQMWK.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 3 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1204 set thread context of 1056 1204 P O -82YWU8HNQMWK.exe 29 -
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 1040 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1204 P O -82YWU8HNQMWK.exe 1056 P O -82YWU8HNQMWK.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1204 P O -82YWU8HNQMWK.exe Token: SeDebugPrivilege 1056 P O -82YWU8HNQMWK.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1204 wrote to memory of 1040 1204 P O -82YWU8HNQMWK.exe 27 PID 1204 wrote to memory of 1040 1204 P O -82YWU8HNQMWK.exe 27 PID 1204 wrote to memory of 1040 1204 P O -82YWU8HNQMWK.exe 27 PID 1204 wrote to memory of 1040 1204 P O -82YWU8HNQMWK.exe 27 PID 1204 wrote to memory of 1056 1204 P O -82YWU8HNQMWK.exe 29 PID 1204 wrote to memory of 1056 1204 P O -82YWU8HNQMWK.exe 29 PID 1204 wrote to memory of 1056 1204 P O -82YWU8HNQMWK.exe 29 PID 1204 wrote to memory of 1056 1204 P O -82YWU8HNQMWK.exe 29 PID 1204 wrote to memory of 1056 1204 P O -82YWU8HNQMWK.exe 29 PID 1204 wrote to memory of 1056 1204 P O -82YWU8HNQMWK.exe 29 PID 1204 wrote to memory of 1056 1204 P O -82YWU8HNQMWK.exe 29 PID 1204 wrote to memory of 1056 1204 P O -82YWU8HNQMWK.exe 29 PID 1204 wrote to memory of 1056 1204 P O -82YWU8HNQMWK.exe 29 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 P O -82YWU8HNQMWK.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 P O -82YWU8HNQMWK.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\P O -82YWU8HNQMWK.exe"C:\Users\Admin\AppData\Local\Temp\P O -82YWU8HNQMWK.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rLBhtX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9F7B.tmp"2⤵
- Creates scheduled task(s)
PID:1040
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C:\Users\Admin\AppData\Local\Temp\P O -82YWU8HNQMWK.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1056
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5bb696cbe6ea8909c05995c09c40d85fe
SHA1c1f72460fe7a336a254a6da9475419e9a35224b3
SHA256695a6ede69cb34496b8e855594d6568ac28ba0767536a519a2d7426735998ed8
SHA51253d91235dc3213052377d7b5f9a47a7b59f6a49a1d9225a5533d071ee3a3ae90558db1a328d44fb3f831471a16c9e647179538d328c5ebadce4c713b5d13c75f