Analysis
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max time kernel
84s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
06-08-2022 07:06
Static task
static1
Behavioral task
behavioral1
Sample
Payment 05-08-22.exe
Resource
win7-20220715-en
Behavioral task
behavioral2
Sample
Payment 05-08-22.exe
Resource
win10v2004-20220721-en
General
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Target
Payment 05-08-22.exe
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Size
341KB
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MD5
54827a45e0eec3ecb462066523d63e6c
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SHA1
7c7a87429e9533c14497c799c085825ca68f5b4a
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SHA256
ee81c7498b4343a8c9353957777a74cf2f615b3b0d8a09846eb06fcde700de63
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SHA512
0c305685f8f3f1df118fcd75bac38c6c28205ea2690576231f5ae4df69b6d9ea685ec29d1fc1bcaa5c2309d94053addcccab8078cf77a30748ed5ccb32036116
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot5410455012:AAE1SHAu8VAoPkLETxqziCFDZfyqp8DD7SA/sendMessage?chat_id=2008035906
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 3 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\binn1.exe family_snakekeylogger C:\Users\Admin\AppData\Local\Temp\binn1.exe family_snakekeylogger behavioral2/memory/4552-136-0x0000000000600000-0x0000000000626000-memory.dmp family_snakekeylogger -
Executes dropped EXE 1 IoCs
Processes:
binn1.exepid process 4552 binn1.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Payment 05-08-22.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation Payment 05-08-22.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:
binn1.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 binn1.exe Key opened \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 binn1.exe Key opened \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 binn1.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.
Processes:
flow ioc 19 checkip.dyndns.org -
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 1 IoCs
Processes:
binn1.exepid process 4552 binn1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
binn1.exedescription pid process Token: SeDebugPrivilege 4552 binn1.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
Payment 05-08-22.exedescription pid process target process PID 3144 wrote to memory of 4552 3144 Payment 05-08-22.exe binn1.exe PID 3144 wrote to memory of 4552 3144 Payment 05-08-22.exe binn1.exe PID 3144 wrote to memory of 4552 3144 Payment 05-08-22.exe binn1.exe -
outlook_office_path 1 IoCs
Processes:
binn1.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 binn1.exe -
outlook_win_path 1 IoCs
Processes:
binn1.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 binn1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment 05-08-22.exe"C:\Users\Admin\AppData\Local\Temp\Payment 05-08-22.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3144 -
C:\Users\Admin\AppData\Local\Temp\binn1.exe"C:\Users\Admin\AppData\Local\Temp\binn1.exe"2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4552
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
126KB
MD5d7ae412c7b211a55aab4d7c64dff870b
SHA14b9a99d232afe69495afd82913090eeaba815fe4
SHA256025c3a4174f86308877f3e0545849acc881ccc82bafefb5d949169337568081c
SHA512ee557c31f76724040f888b901073fae5f6e74da5dd4cc3d71310f1bfaceef6e924c603b7eff0de18b0b30e8e3dca387a8b90659714cef3b328716b00a5022218
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Filesize
126KB
MD5d7ae412c7b211a55aab4d7c64dff870b
SHA14b9a99d232afe69495afd82913090eeaba815fe4
SHA256025c3a4174f86308877f3e0545849acc881ccc82bafefb5d949169337568081c
SHA512ee557c31f76724040f888b901073fae5f6e74da5dd4cc3d71310f1bfaceef6e924c603b7eff0de18b0b30e8e3dca387a8b90659714cef3b328716b00a5022218