Analysis
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max time kernel
140s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2023 10:03
Static task
static1
Behavioral task
behavioral1
Sample
SWIFT MESAJI.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
SWIFT MESAJI.exe
Resource
win10v2004-20231023-en
General
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Target
SWIFT MESAJI.exe
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Size
718KB
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MD5
b77072d6441ab7e6b291e04060ac8f2c
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SHA1
c55d28766fe51465285dad55b6379949ba6e37e2
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SHA256
3f1bf2c3a2ce3446b2cc1a91c69b4bcdcdb97340965b26dd5a8b59819f91def9
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SHA512
59ce747954216eafa328457163a7afa052a920b9a148ff254f6cccd83a810bf0c27ec735060573f4920098b035633b7da11630e9fc6ed87510cc4505b1f588c9
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SSDEEP
12288:/ti1KYlszhDKpeWRAX5WvLHuiQTLpWTZSgmcEKbigohGg1Zf8eQGI195d7BR6wTg:/MyDKpeWRAXEJQTckV0+gQf8JGYfpBhC
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.belt-tech.com.my - Port:
587 - Username:
[email protected] - Password:
Beltechpg@1234 - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4604-27-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral2/memory/4604-51-0x0000000004D10000-0x0000000004D20000-memory.dmp family_snakekeylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
SWIFT MESAJI.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation SWIFT MESAJI.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:
SWIFT MESAJI.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SWIFT MESAJI.exe Key opened \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SWIFT MESAJI.exe Key opened \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SWIFT MESAJI.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 30 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SWIFT MESAJI.exedescription pid process target process PID 1692 set thread context of 4604 1692 SWIFT MESAJI.exe SWIFT MESAJI.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 13 IoCs
Processes:
SWIFT MESAJI.exepowershell.exepowershell.exeSWIFT MESAJI.exepid process 1692 SWIFT MESAJI.exe 1692 SWIFT MESAJI.exe 1692 SWIFT MESAJI.exe 1692 SWIFT MESAJI.exe 3636 powershell.exe 1504 powershell.exe 1692 SWIFT MESAJI.exe 1692 SWIFT MESAJI.exe 1692 SWIFT MESAJI.exe 4604 SWIFT MESAJI.exe 3636 powershell.exe 1504 powershell.exe 4604 SWIFT MESAJI.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
SWIFT MESAJI.exepowershell.exepowershell.exeSWIFT MESAJI.exedescription pid process Token: SeDebugPrivilege 1692 SWIFT MESAJI.exe Token: SeDebugPrivilege 1504 powershell.exe Token: SeDebugPrivilege 3636 powershell.exe Token: SeDebugPrivilege 4604 SWIFT MESAJI.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
SWIFT MESAJI.exedescription pid process target process PID 1692 wrote to memory of 3636 1692 SWIFT MESAJI.exe powershell.exe PID 1692 wrote to memory of 3636 1692 SWIFT MESAJI.exe powershell.exe PID 1692 wrote to memory of 3636 1692 SWIFT MESAJI.exe powershell.exe PID 1692 wrote to memory of 1504 1692 SWIFT MESAJI.exe powershell.exe PID 1692 wrote to memory of 1504 1692 SWIFT MESAJI.exe powershell.exe PID 1692 wrote to memory of 1504 1692 SWIFT MESAJI.exe powershell.exe PID 1692 wrote to memory of 4384 1692 SWIFT MESAJI.exe schtasks.exe PID 1692 wrote to memory of 4384 1692 SWIFT MESAJI.exe schtasks.exe PID 1692 wrote to memory of 4384 1692 SWIFT MESAJI.exe schtasks.exe PID 1692 wrote to memory of 4652 1692 SWIFT MESAJI.exe SWIFT MESAJI.exe PID 1692 wrote to memory of 4652 1692 SWIFT MESAJI.exe SWIFT MESAJI.exe PID 1692 wrote to memory of 4652 1692 SWIFT MESAJI.exe SWIFT MESAJI.exe PID 1692 wrote to memory of 4604 1692 SWIFT MESAJI.exe SWIFT MESAJI.exe PID 1692 wrote to memory of 4604 1692 SWIFT MESAJI.exe SWIFT MESAJI.exe PID 1692 wrote to memory of 4604 1692 SWIFT MESAJI.exe SWIFT MESAJI.exe PID 1692 wrote to memory of 4604 1692 SWIFT MESAJI.exe SWIFT MESAJI.exe PID 1692 wrote to memory of 4604 1692 SWIFT MESAJI.exe SWIFT MESAJI.exe PID 1692 wrote to memory of 4604 1692 SWIFT MESAJI.exe SWIFT MESAJI.exe PID 1692 wrote to memory of 4604 1692 SWIFT MESAJI.exe SWIFT MESAJI.exe PID 1692 wrote to memory of 4604 1692 SWIFT MESAJI.exe SWIFT MESAJI.exe -
outlook_office_path 1 IoCs
Processes:
SWIFT MESAJI.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SWIFT MESAJI.exe -
outlook_win_path 1 IoCs
Processes:
SWIFT MESAJI.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SWIFT MESAJI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SWIFT MESAJI.exe"C:\Users\Admin\AppData\Local\Temp\SWIFT MESAJI.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692 -
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\SWIFT MESAJI.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3636 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OXizYWLoEaCDIE.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1504 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OXizYWLoEaCDIE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp899D.tmp"2⤵
- Creates scheduled task(s)
PID:4384 -
C:\Users\Admin\AppData\Local\Temp\SWIFT MESAJI.exe"C:\Users\Admin\AppData\Local\Temp\SWIFT MESAJI.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4604 -
C:\Users\Admin\AppData\Local\Temp\SWIFT MESAJI.exe"C:\Users\Admin\AppData\Local\Temp\SWIFT MESAJI.exe"2⤵PID:4652
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
MD52c58b781f8af50e3c07142d32c90b1b2
SHA124e4c455afe2c7f117d10be36c0dd1cd56ac6aee
SHA256f48677b10067da3ea62f27a3494ad1e146bc0f581e8ce0870b017d8fd1cbe19c
SHA5124a47dbcb78ba0c25f31c7a6a2542c1bc98779db16f64de7ef5e899b2c43adcc1458a0bab343987107527f94cc128f4a57b10dbbf32d3340f24afb20d014132e3