Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
09-07-2024 13:26
Static task
static1
Behavioral task
behavioral1
Sample
InvWH-2E0865.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
InvWH-2E0865.exe
Resource
win10v2004-20240704-en
General
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Target
InvWH-2E0865.exe
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Size
701KB
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MD5
7cc86a3f83fbb68e1a39193fd097304f
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SHA1
6e9f665a7f7266ad1a4d1693e84f3203744407c2
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SHA256
a2584975149658da70c801f79fbfdcdd66eddf114b84332d401d2ad6a0ddbf78
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SHA512
ef165943e3a378449976c8212bbfbfe91697fdf39afd6e52149395c7d1bb1796e9cb95eb6367017209b62aa2d00e97883ec0019b95869a265cc9010dbfbf1dfe
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SSDEEP
12288:ICc07BN2iN/QIuIBhye/+B0j17pgLF6Mkmwhbv/P2LRWZqk14GB:ICc07BN1FAay5Be9OkMk5VvHOEt
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6422013421:AAHaeSgAN5hyLvBtBCls-o9dHwHb-xkpsL4/sendMessage?chat_id=6803005190
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4964-21-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
InvWH-2E0865.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000\Control Panel\International\Geo\Nation InvWH-2E0865.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 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:
InvWH-2E0865.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InvWH-2E0865.exe Key opened \REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InvWH-2E0865.exe Key opened \REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InvWH-2E0865.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 13 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
InvWH-2E0865.exedescription pid process target process PID 3548 set thread context of 4964 3548 InvWH-2E0865.exe InvWH-2E0865.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
InvWH-2E0865.exepowershell.exeInvWH-2E0865.exepid process 3548 InvWH-2E0865.exe 3548 InvWH-2E0865.exe 1740 powershell.exe 4964 InvWH-2E0865.exe 1740 powershell.exe 4964 InvWH-2E0865.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
InvWH-2E0865.exepowershell.exeInvWH-2E0865.exedescription pid process Token: SeDebugPrivilege 3548 InvWH-2E0865.exe Token: SeDebugPrivilege 1740 powershell.exe Token: SeDebugPrivilege 4964 InvWH-2E0865.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
InvWH-2E0865.exedescription pid process target process PID 3548 wrote to memory of 1740 3548 InvWH-2E0865.exe powershell.exe PID 3548 wrote to memory of 1740 3548 InvWH-2E0865.exe powershell.exe PID 3548 wrote to memory of 1740 3548 InvWH-2E0865.exe powershell.exe PID 3548 wrote to memory of 1288 3548 InvWH-2E0865.exe schtasks.exe PID 3548 wrote to memory of 1288 3548 InvWH-2E0865.exe schtasks.exe PID 3548 wrote to memory of 1288 3548 InvWH-2E0865.exe schtasks.exe PID 3548 wrote to memory of 4964 3548 InvWH-2E0865.exe InvWH-2E0865.exe PID 3548 wrote to memory of 4964 3548 InvWH-2E0865.exe InvWH-2E0865.exe PID 3548 wrote to memory of 4964 3548 InvWH-2E0865.exe InvWH-2E0865.exe PID 3548 wrote to memory of 4964 3548 InvWH-2E0865.exe InvWH-2E0865.exe PID 3548 wrote to memory of 4964 3548 InvWH-2E0865.exe InvWH-2E0865.exe PID 3548 wrote to memory of 4964 3548 InvWH-2E0865.exe InvWH-2E0865.exe PID 3548 wrote to memory of 4964 3548 InvWH-2E0865.exe InvWH-2E0865.exe PID 3548 wrote to memory of 4964 3548 InvWH-2E0865.exe InvWH-2E0865.exe -
outlook_office_path 1 IoCs
Processes:
InvWH-2E0865.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InvWH-2E0865.exe -
outlook_win_path 1 IoCs
Processes:
InvWH-2E0865.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1015551233-1106003478-1645743776-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InvWH-2E0865.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\InvWH-2E0865.exe"C:\Users\Admin\AppData\Local\Temp\InvWH-2E0865.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3548 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hHyfrga.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1740 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hHyfrga" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7D1F.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
PID:1288 -
C:\Users\Admin\AppData\Local\Temp\InvWH-2E0865.exe"C:\Users\Admin\AppData\Local\Temp\InvWH-2E0865.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4964
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5745ae7b629d3aecc924d8ee2ca89a149
SHA1d134cf2d62ed3ca128e1b205e6b13cec38903fdb
SHA25618d807e983a0ff7ce12e64d5adcc3ec89e7fc0b2b7e418e3b78828bf53fe5ef9
SHA512ee6b75206ff0233125d807f70c52e90c9617a50cc3ba78d2ccd4486fdac09d1f8c92310a31b2083fa9ca81356420d18f07f68a84322268fff45a0bea8fbbd809