Analysis
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max time kernel
82s -
max time network
114s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
09-08-2021 15:45
Static task
static1
Behavioral task
behavioral1
Sample
1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe
Resource
win10v20210408
General
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Target
1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe
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Size
922KB
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MD5
a6c09767f7b9b02156bd3e4f67764e79
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SHA1
5aa1d0515cd9ca1802c872cd8a9354b65cef7463
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SHA256
2183dd8a07c328ff41cf8fedc06bdc9ec8166d6c11691cb6d379899318d8e555
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SHA512
5f7072604303b4bea39a1c4751e09eb8399d9a10984ba2ddb699680145c952fb71d180e3e56135d30aa9639e9f5ff3899a3e58a2b7ab5d0ec38b88f94f17aa50
Malware Config
Signatures
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A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
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A310logger Executable 3 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe a310logger C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe a310logger C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe a310logger -
Executes dropped EXE 1 IoCs
Processes:
Fox.exepid process 812 Fox.exe -
Loads dropped DLL 1 IoCs
Processes:
1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exepid process 1004 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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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 cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exedescription pid process target process PID 736 set thread context of 1004 736 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 use of SetWindowsHookEx 1 IoCs
Processes:
1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exepid process 1004 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exedescription pid process target process PID 736 wrote to memory of 1536 736 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe schtasks.exe PID 736 wrote to memory of 1536 736 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe schtasks.exe PID 736 wrote to memory of 1536 736 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe schtasks.exe PID 736 wrote to memory of 1536 736 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe schtasks.exe PID 736 wrote to memory of 1004 736 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe PID 736 wrote to memory of 1004 736 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe PID 736 wrote to memory of 1004 736 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe PID 736 wrote to memory of 1004 736 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe PID 736 wrote to memory of 1004 736 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe PID 736 wrote to memory of 1004 736 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe PID 736 wrote to memory of 1004 736 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe PID 736 wrote to memory of 1004 736 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe PID 736 wrote to memory of 1004 736 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe PID 1004 wrote to memory of 812 1004 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe Fox.exe PID 1004 wrote to memory of 812 1004 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe Fox.exe PID 1004 wrote to memory of 812 1004 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe Fox.exe PID 1004 wrote to memory of 812 1004 1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe Fox.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe"C:\Users\Admin\AppData\Local\Temp\1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:736 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LEjGKtEzH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7197.tmp"2⤵
- Creates scheduled task(s)
PID:1536
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C:\Users\Admin\AppData\Local\Temp\1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe"C:\Users\Admin\AppData\Local\Temp\1283YT348130Et-21 -10000,00-EUR-SWIFT MESAJI.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1004 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe3⤵
- Executes dropped EXE
PID:812
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
514e627efcdbc8ded0338e191a150282
SHA1f7ff1db3c70736d5247a429f952f8fc2222e223a
SHA256f42d5aaf0381387e1f4b0682d804638bd7afff18a4b7c37fdcc4be2b5d7b5507
SHA512e22d543daf355a062cd946618e9cf26aa7470ca80b32a81ec7ecaff61d538cce1ff2d8779d49788a0872c6edcd8924c4a9be31e1ab6a4dab2fbf092e41aca158
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MD5
91b41651e6e9ab352805c6d35a297d08
SHA111b8eaa7b7941461bc952b11ec3f07d25dcd1c2e
SHA2560872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723
SHA512b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892
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MD5
91b41651e6e9ab352805c6d35a297d08
SHA111b8eaa7b7941461bc952b11ec3f07d25dcd1c2e
SHA2560872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723
SHA512b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892
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MD5
91b41651e6e9ab352805c6d35a297d08
SHA111b8eaa7b7941461bc952b11ec3f07d25dcd1c2e
SHA2560872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723
SHA512b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892