Analysis
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max time kernel
140s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
09-05-2024 01:28
Static task
static1
Behavioral task
behavioral1
Sample
4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe
Resource
win10v2004-20240426-en
General
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Target
4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.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/3172-19-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3172-19-0x0000000000400000-0x0000000000426000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables packed with SmartAssembly 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2508-7-0x0000000007870000-0x000000000788C000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly -
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3172-19-0x0000000000400000-0x0000000000426000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables with potential process hoocking 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3172-19-0x0000000000400000-0x0000000000426000-memory.dmp INDICATOR_SUSPICIOUS_EXE_DotNetProcHook -
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:
4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.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:
4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe Key opened \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe Key opened \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.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 29 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exedescription pid process target process PID 2508 set thread context of 3172 2508 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.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:
4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exepowershell.exepid process 3172 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe 1772 powershell.exe 1772 powershell.exe 3172 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exepowershell.exedescription pid process Token: SeDebugPrivilege 3172 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe Token: SeDebugPrivilege 1772 powershell.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exedescription pid process target process PID 2508 wrote to memory of 1772 2508 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe powershell.exe PID 2508 wrote to memory of 1772 2508 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe powershell.exe PID 2508 wrote to memory of 1772 2508 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe powershell.exe PID 2508 wrote to memory of 2192 2508 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe schtasks.exe PID 2508 wrote to memory of 2192 2508 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe schtasks.exe PID 2508 wrote to memory of 2192 2508 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe schtasks.exe PID 2508 wrote to memory of 3172 2508 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe PID 2508 wrote to memory of 3172 2508 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe PID 2508 wrote to memory of 3172 2508 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe PID 2508 wrote to memory of 3172 2508 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe PID 2508 wrote to memory of 3172 2508 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe PID 2508 wrote to memory of 3172 2508 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe PID 2508 wrote to memory of 3172 2508 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe PID 2508 wrote to memory of 3172 2508 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe -
outlook_office_path 1 IoCs
Processes:
4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe -
outlook_win_path 1 IoCs
Processes:
4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe"C:\Users\Admin\AppData\Local\Temp\4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2508 -
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:1772 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KYmWnLVcE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7465.tmp"2⤵
- Creates scheduled task(s)
PID:2192 -
C:\Users\Admin\AppData\Local\Temp\4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe"C:\Users\Admin\AppData\Local\Temp\4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3172
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4e3eb1a503d160b9cd151c523b34ba05c7bcbd79974a0a46fa092569db8bf2a7.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5adac99608181becaf64b644bd402a121
SHA1b99a48ac5f3306eb796b2092a2c330fbe27abef1
SHA256983c63d9fc1843a2e1340b48c428be183510471ea68c9edda52fb8a3d0eb6e9b
SHA512a71322368148423592ecc094ad7bc7d58c410d8aaa113ba2221dba94f98efbbe0af904355727c0407a0d5267f54cdb4f9f28f9a584e79fb37743f9d21213be1c