Analysis
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max time kernel
135s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
18-02-2025 23:42
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order 77809 for acknowledgment.exe
Resource
win7-20250207-en
Behavioral task
behavioral2
Sample
Purchase Order 77809 for acknowledgment.exe
Resource
win10v2004-20250217-en
General
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Target
Purchase Order 77809 for acknowledgment.exe
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Size
774KB
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MD5
5116b849c70cec7c2881af8dae1ba63d
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SHA1
19d4291c3b31ab1be7af94b144a3294d91b43934
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SHA256
da5672185bdcb791e426127091bc7da56812d6c6cba9fc6aca754e43b59834db
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SHA512
eff6c0a52e0d058b30d215f043688e5a62c791324fda0a4bbd8e13f29709a8d5a2a4a11f011684637fb025c60ef6acd4a8b05cd7d55d56f6f04c257f0f6dd998
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SSDEEP
24576:6aMRHPv6tkVKEd0wKq6EfzTX6gNrhEK4VoVBOwMRH:6aMZqaVKE2wFTX6ard3BOwMZ
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot7570158401:AAGzmritmTT3Z0Z77i4ThJMCq3NzbjqeNpo/sendMessage?chat_id=7225431807
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/3820-35-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Snakekeylogger family
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 1016 powershell.exe 1356 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\Control Panel\International\Geo\Nation Purchase Order 77809 for acknowledgment.exe -
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 3 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-1-5-21-925314154-1797147466-1467878628-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order 77809 for acknowledgment.exe Key opened \REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order 77809 for acknowledgment.exe Key opened \REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order 77809 for acknowledgment.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 10 checkip.dyndns.org 13 reallyfreegeoip.org 14 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3480 set thread context of 3820 3480 Purchase Order 77809 for acknowledgment.exe 92 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Purchase Order 77809 for acknowledgment.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Purchase Order 77809 for acknowledgment.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 528 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 3480 Purchase Order 77809 for acknowledgment.exe 3480 Purchase Order 77809 for acknowledgment.exe 3480 Purchase Order 77809 for acknowledgment.exe 3480 Purchase Order 77809 for acknowledgment.exe 1016 powershell.exe 1356 powershell.exe 3480 Purchase Order 77809 for acknowledgment.exe 3820 Purchase Order 77809 for acknowledgment.exe 1016 powershell.exe 1356 powershell.exe 3820 Purchase Order 77809 for acknowledgment.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3480 Purchase Order 77809 for acknowledgment.exe Token: SeDebugPrivilege 1016 powershell.exe Token: SeDebugPrivilege 1356 powershell.exe Token: SeDebugPrivilege 3820 Purchase Order 77809 for acknowledgment.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3480 wrote to memory of 1016 3480 Purchase Order 77809 for acknowledgment.exe 86 PID 3480 wrote to memory of 1016 3480 Purchase Order 77809 for acknowledgment.exe 86 PID 3480 wrote to memory of 1016 3480 Purchase Order 77809 for acknowledgment.exe 86 PID 3480 wrote to memory of 1356 3480 Purchase Order 77809 for acknowledgment.exe 88 PID 3480 wrote to memory of 1356 3480 Purchase Order 77809 for acknowledgment.exe 88 PID 3480 wrote to memory of 1356 3480 Purchase Order 77809 for acknowledgment.exe 88 PID 3480 wrote to memory of 528 3480 Purchase Order 77809 for acknowledgment.exe 90 PID 3480 wrote to memory of 528 3480 Purchase Order 77809 for acknowledgment.exe 90 PID 3480 wrote to memory of 528 3480 Purchase Order 77809 for acknowledgment.exe 90 PID 3480 wrote to memory of 3820 3480 Purchase Order 77809 for acknowledgment.exe 92 PID 3480 wrote to memory of 3820 3480 Purchase Order 77809 for acknowledgment.exe 92 PID 3480 wrote to memory of 3820 3480 Purchase Order 77809 for acknowledgment.exe 92 PID 3480 wrote to memory of 3820 3480 Purchase Order 77809 for acknowledgment.exe 92 PID 3480 wrote to memory of 3820 3480 Purchase Order 77809 for acknowledgment.exe 92 PID 3480 wrote to memory of 3820 3480 Purchase Order 77809 for acknowledgment.exe 92 PID 3480 wrote to memory of 3820 3480 Purchase Order 77809 for acknowledgment.exe 92 PID 3480 wrote to memory of 3820 3480 Purchase Order 77809 for acknowledgment.exe 92 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order 77809 for acknowledgment.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order 77809 for acknowledgment.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase Order 77809 for acknowledgment.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order 77809 for acknowledgment.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3480 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Purchase Order 77809 for acknowledgment.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1016
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EIWXoubCbjn.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1356
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EIWXoubCbjn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC582.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:528
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C:\Users\Admin\AppData\Local\Temp\Purchase Order 77809 for acknowledgment.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order 77809 for acknowledgment.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3820
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD56ce1b677823a60b3d45139480f422600
SHA174b09b1b966f2872b58c0031d00a0db1c761cdaa
SHA256b56d01b899d481b1eff07cda04d126af371ea437ee214944a25161d12caa351b
SHA51283fee66341236e888181437aac4b960209a3e4adefe956477e64c8fab18a75293c2023e6f5312ba3c0b06a87159813e2fb22ce100615ca26bccaa409c5ffb7c6
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5f7f0fd433d5677d654e8114fb104ddf9
SHA16f63fed97e10504c02eef4cc77a211f6ceab1774
SHA25629756bc2a21d2c3035d553643a06b27a98bbeac1a21d49d9d24281ff5c72a973
SHA512be2cca303ac4d3ff23a8c64d7659dc9c2ea51e8e5e5514c86a7e40c18d5193d0483b62f38e443f8f6170ef6bd8244e1099690e6ac7fc04718b95f717bd3a1971