Analysis
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max time kernel
252s -
max time network
336s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
05-05-2023 20:46
Static task
static1
Behavioral task
behavioral1
Sample
INVOICE_.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
INVOICE_.exe
Resource
win10v2004-20230220-en
General
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Target
INVOICE_.exe
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Size
1.0MB
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MD5
d01af08af1935589ed6974734f764f5a
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SHA1
75d31c4f55e98d500abac8a5ab304a559283e9e5
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SHA256
f7c5b46a0b80bd17ec7af21458bbc2cd7c0873f81218475013b50953a72a887f
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SHA512
958a8efa7867077c7dbf66b21090d9186d4757e9f71895ed04ea48d6ba0f79b1a2d7789710921a15f0cdc5d83bf1d5d10260445982555e58bf96101aed026e7c
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SSDEEP
24576:vXOGXrxgZIYdflxH28iLJ6fLOscta6VQz5CZporN2OtOzy:vX3rx43g8iLJkLOjs6VkCZ2x1
Malware Config
Extracted
blustealer
https://api.telegram.org/bot6246601421:AAFrAwaqm-G2V9ysvgyBq2dzNs5Gp-CKwaw/sendMessage?chat_id=5523238206
Signatures
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BluStealer
A Modular information stealer written in Visual Basic.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 588 set thread context of 1516 588 INVOICE_.exe 32 -
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.
pid Process 872 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 560 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 560 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1516 INVOICE_.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 588 wrote to memory of 560 588 INVOICE_.exe 28 PID 588 wrote to memory of 560 588 INVOICE_.exe 28 PID 588 wrote to memory of 560 588 INVOICE_.exe 28 PID 588 wrote to memory of 560 588 INVOICE_.exe 28 PID 588 wrote to memory of 872 588 INVOICE_.exe 30 PID 588 wrote to memory of 872 588 INVOICE_.exe 30 PID 588 wrote to memory of 872 588 INVOICE_.exe 30 PID 588 wrote to memory of 872 588 INVOICE_.exe 30 PID 588 wrote to memory of 1516 588 INVOICE_.exe 32 PID 588 wrote to memory of 1516 588 INVOICE_.exe 32 PID 588 wrote to memory of 1516 588 INVOICE_.exe 32 PID 588 wrote to memory of 1516 588 INVOICE_.exe 32 PID 588 wrote to memory of 1516 588 INVOICE_.exe 32 PID 588 wrote to memory of 1516 588 INVOICE_.exe 32 PID 588 wrote to memory of 1516 588 INVOICE_.exe 32 PID 588 wrote to memory of 1516 588 INVOICE_.exe 32 PID 588 wrote to memory of 1516 588 INVOICE_.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:588 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PqhyBiwUgJm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:560
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PqhyBiwUgJm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp52C3.tmp"2⤵
- Creates scheduled task(s)
PID:872
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C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe"2⤵
- Suspicious use of SetWindowsHookEx
PID:1516
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD53416cb85a669556a625f7d3f4e8dc24a
SHA199dcb7db3fa113c339885293227f7f71542f2441
SHA256196fc036664ff2a00c67eb040c18c9de54d7d3fb9f92ef6ce973b74591a95e00
SHA5126d003082129b0dbbefea4e649ea688e742fa9c434d5e936eb96ea01bc3c89559dc050750891ac9fed6ea7c2d6fe4313362fa3748ac6b270ac0167c7e8218ac45