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Analysis
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max time kernel
121s -
max time network
205s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
13/09/2024, 04:13
Static task
static1
Behavioral task
behavioral1
Sample
quotation.pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
quotation.pdf.exe
Resource
win10v2004-20240802-en
General
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Target
quotation.pdf.exe
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Size
584KB
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MD5
cae995edd90312264f9faa534874894f
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SHA1
2a71f016765dc5fa825ca1f437e1df02c32611a0
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SHA256
5226c6707f7f1430f49c6c7cd637375b00004be37d815d82804257a8ca563841
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SHA512
6bd8c914fbdc8b04bdf12a8a60eb61324e4e06dfdd7525d29418c861247dda366e367992afd4d285a15b8ca71df5d28ddc1056cb91df3d9d1461c888bce8d594
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SSDEEP
12288:HrLfSC/W39Rfyyii2nYUNm8AEr8aNZibViwt5XHF:LLbcyyii2nYUm8AErTsiw5V
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6086388911:AAGHpITQe4oLJhzRR86O2JB3Tmd1xG2gIqM/sendMessage?chat_id=1932526247
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/2484-45-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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 2716 powershell.exe 1860 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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation quotation.pdf.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\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 23 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 864 set thread context of 2484 864 quotation.pdf.exe 100 -
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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language quotation.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.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 900 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 1860 powershell.exe 2716 powershell.exe 864 quotation.pdf.exe 864 quotation.pdf.exe 1860 powershell.exe 2716 powershell.exe 2484 RegSvcs.exe 2484 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2716 powershell.exe Token: SeDebugPrivilege 1860 powershell.exe Token: SeDebugPrivilege 864 quotation.pdf.exe Token: SeDebugPrivilege 2484 RegSvcs.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 864 wrote to memory of 2716 864 quotation.pdf.exe 93 PID 864 wrote to memory of 2716 864 quotation.pdf.exe 93 PID 864 wrote to memory of 2716 864 quotation.pdf.exe 93 PID 864 wrote to memory of 1860 864 quotation.pdf.exe 95 PID 864 wrote to memory of 1860 864 quotation.pdf.exe 95 PID 864 wrote to memory of 1860 864 quotation.pdf.exe 95 PID 864 wrote to memory of 900 864 quotation.pdf.exe 97 PID 864 wrote to memory of 900 864 quotation.pdf.exe 97 PID 864 wrote to memory of 900 864 quotation.pdf.exe 97 PID 864 wrote to memory of 1948 864 quotation.pdf.exe 99 PID 864 wrote to memory of 1948 864 quotation.pdf.exe 99 PID 864 wrote to memory of 1948 864 quotation.pdf.exe 99 PID 864 wrote to memory of 2484 864 quotation.pdf.exe 100 PID 864 wrote to memory of 2484 864 quotation.pdf.exe 100 PID 864 wrote to memory of 2484 864 quotation.pdf.exe 100 PID 864 wrote to memory of 2484 864 quotation.pdf.exe 100 PID 864 wrote to memory of 2484 864 quotation.pdf.exe 100 PID 864 wrote to memory of 2484 864 quotation.pdf.exe 100 PID 864 wrote to memory of 2484 864 quotation.pdf.exe 100 PID 864 wrote to memory of 2484 864 quotation.pdf.exe 100 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\quotation.pdf.exe"C:\Users\Admin\AppData\Local\Temp\quotation.pdf.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:864 -
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\quotation.pdf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2716
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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\VBwlAonrdTz.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1860
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VBwlAonrdTz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E15.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:900
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:1948
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:2484
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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Filesize
18KB
MD5827729895a931f0d80c1b029241caf4e
SHA1db1b21ad0e02d8eb4af51207e6230a75f1840f66
SHA256ac6be3386bc80a9e17d1c69f6231637d27b3cb3421f018d68a8472f37a5e34ff
SHA512edf0e99f8c0d3d60ccd3b77c8a3885eda23cc2af0e09f650d212eaf87ebca7670d5f11861b3b509c780f60cf0a047ad5890eceae17bc150b71e5f2e6ecc0847c
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5e266dd69c8ddd4d540040ae35f8b5a9c
SHA14996b450415fc1d220bc2be3c42350cb0ec67506
SHA256fbe35f8680dd56e80cd066b26d267de93f86c15918a34d5a5abc31e1a2819364
SHA512a0a98bb5114580e1b95d2a4a453ee5c96b4731e13bcf6d54d493d311035053e88266e8b71c9eb891c1103a43ad95477811fe0751a764ec8115e0e4be1b66569f