Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
08-05-2024 16:51
Static task
static1
Behavioral task
behavioral1
Sample
z26MB263350412AE.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
z26MB263350412AE.exe
Resource
win10v2004-20240508-en
General
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Target
z26MB263350412AE.exe
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Size
637KB
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MD5
318831581b1622295c9367f25a18792d
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SHA1
2fdec7f6b9c9a3b1d93796135d20fb7918e0cdce
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SHA256
4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7
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SHA512
17573d9e3f054b2711bd0ac0c9bb9b3f4fed18da8ae19a58e396297eddc71fae4537f7f78375ca3cd7fbfdfa2aa4dbd775c9c396af4b255834b0f9bcd9a71854
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SSDEEP
12288:vhD2iNT/SHtBYYx9T4gR+r9TCQJbSKnM9YZEiG2rDR4HzJiKC:vd1cHtBYbgR+5TCQJmKtEx2rDR4HA
Malware Config
Extracted
Protocol: smtp- Host:
mail.speedhouseoman.com - Port:
587 - Username:
[email protected] - Password:
SpH@0084
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.speedhouseoman.com - Port:
587 - Username:
[email protected] - Password:
SpH@0084
https://scratchdreams.tk
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/4536-19-0x0000000000400000-0x0000000000426000-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:
z26MB263350412AE.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation z26MB263350412AE.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:
z26MB263350412AE.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 z26MB263350412AE.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 z26MB263350412AE.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 z26MB263350412AE.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 7 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
z26MB263350412AE.exedescription pid process target process PID 2304 set thread context of 4536 2304 z26MB263350412AE.exe z26MB263350412AE.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
z26MB263350412AE.exepowershell.exepid process 4536 z26MB263350412AE.exe 3024 powershell.exe 3024 powershell.exe 4536 z26MB263350412AE.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
z26MB263350412AE.exepowershell.exedescription pid process Token: SeDebugPrivilege 4536 z26MB263350412AE.exe Token: SeDebugPrivilege 3024 powershell.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
z26MB263350412AE.exedescription pid process target process PID 2304 wrote to memory of 3024 2304 z26MB263350412AE.exe powershell.exe PID 2304 wrote to memory of 3024 2304 z26MB263350412AE.exe powershell.exe PID 2304 wrote to memory of 3024 2304 z26MB263350412AE.exe powershell.exe PID 2304 wrote to memory of 5044 2304 z26MB263350412AE.exe schtasks.exe PID 2304 wrote to memory of 5044 2304 z26MB263350412AE.exe schtasks.exe PID 2304 wrote to memory of 5044 2304 z26MB263350412AE.exe schtasks.exe PID 2304 wrote to memory of 4536 2304 z26MB263350412AE.exe z26MB263350412AE.exe PID 2304 wrote to memory of 4536 2304 z26MB263350412AE.exe z26MB263350412AE.exe PID 2304 wrote to memory of 4536 2304 z26MB263350412AE.exe z26MB263350412AE.exe PID 2304 wrote to memory of 4536 2304 z26MB263350412AE.exe z26MB263350412AE.exe PID 2304 wrote to memory of 4536 2304 z26MB263350412AE.exe z26MB263350412AE.exe PID 2304 wrote to memory of 4536 2304 z26MB263350412AE.exe z26MB263350412AE.exe PID 2304 wrote to memory of 4536 2304 z26MB263350412AE.exe z26MB263350412AE.exe PID 2304 wrote to memory of 4536 2304 z26MB263350412AE.exe z26MB263350412AE.exe -
outlook_office_path 1 IoCs
Processes:
z26MB263350412AE.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 z26MB263350412AE.exe -
outlook_win_path 1 IoCs
Processes:
z26MB263350412AE.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 z26MB263350412AE.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\z26MB263350412AE.exe"C:\Users\Admin\AppData\Local\Temp\z26MB263350412AE.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2304 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KYmWnLVcE.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3024 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KYmWnLVcE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8676.tmp"2⤵
- Creates scheduled task(s)
PID:5044 -
C:\Users\Admin\AppData\Local\Temp\z26MB263350412AE.exe"C:\Users\Admin\AppData\Local\Temp\z26MB263350412AE.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4536
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
MD517ce4985f7cfebfc5e6b094090ede8ab
SHA1b5cde85716fa1861e5dab4f5908e1d05e40bba49
SHA2562834c7e813f77dc1bccc7070ef9a6474fe4d0a9a2781e620689cadbc63ba5bf6
SHA512c97c25feaf4685be3e09df0161ecd729c50be3f426b81b93ed58cc93a3e99eef6e86bac6829fd9679b351c81ad35fccae5642a292ec641ddc75a529274910fab