Analysis
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max time kernel
149s -
max time network
149s -
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 16:53
Static task
static1
Behavioral task
behavioral1
Sample
z26MB263350412AE.exe
Resource
win7-20240215-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/436-24-0x0000000000400000-0x0000000000426000-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-1-5-21-1337824034-2731376981-3755436523-1000\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-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 z26MB263350412AE.exe Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 z26MB263350412AE.exe Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 1164 set thread context of 436 1164 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:
powershell.exez26MB263350412AE.exepid process 2128 powershell.exe 2128 powershell.exe 436 z26MB263350412AE.exe 436 z26MB263350412AE.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exez26MB263350412AE.exedescription pid process Token: SeDebugPrivilege 2128 powershell.exe Token: SeDebugPrivilege 436 z26MB263350412AE.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
z26MB263350412AE.exedescription pid process target process PID 1164 wrote to memory of 2128 1164 z26MB263350412AE.exe powershell.exe PID 1164 wrote to memory of 2128 1164 z26MB263350412AE.exe powershell.exe PID 1164 wrote to memory of 2128 1164 z26MB263350412AE.exe powershell.exe PID 1164 wrote to memory of 3144 1164 z26MB263350412AE.exe schtasks.exe PID 1164 wrote to memory of 3144 1164 z26MB263350412AE.exe schtasks.exe PID 1164 wrote to memory of 3144 1164 z26MB263350412AE.exe schtasks.exe PID 1164 wrote to memory of 436 1164 z26MB263350412AE.exe z26MB263350412AE.exe PID 1164 wrote to memory of 436 1164 z26MB263350412AE.exe z26MB263350412AE.exe PID 1164 wrote to memory of 436 1164 z26MB263350412AE.exe z26MB263350412AE.exe PID 1164 wrote to memory of 436 1164 z26MB263350412AE.exe z26MB263350412AE.exe PID 1164 wrote to memory of 436 1164 z26MB263350412AE.exe z26MB263350412AE.exe PID 1164 wrote to memory of 436 1164 z26MB263350412AE.exe z26MB263350412AE.exe PID 1164 wrote to memory of 436 1164 z26MB263350412AE.exe z26MB263350412AE.exe PID 1164 wrote to memory of 436 1164 z26MB263350412AE.exe z26MB263350412AE.exe -
outlook_office_path 1 IoCs
Processes:
z26MB263350412AE.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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-1-5-21-1337824034-2731376981-3755436523-1000\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:1164 -
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:2128 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KYmWnLVcE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7791.tmp"2⤵
- Creates scheduled task(s)
PID:3144 -
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:436
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD507365b7245d440b507fe0db7fb894544
SHA10a78296afa5114f71f79ed5f3c02cc973888157e
SHA2567ee9c25b1f46c3ad7e9811311f19aca157976a553b35870614e42b2ccd45425c
SHA512caa7a423d248e7744d1836cfb1d5dffcb4b236c49c8411e36fd1a7f1f9c1140ff46123d82fff89a7fac4d73b1073d581b08232c275795fda59957b22938772e4