Analysis
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max time kernel
42s -
max time network
104s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
16-11-2020 13:12
Static task
static1
Behavioral task
behavioral1
Sample
IMPORT-BOOKING DETAILS.xls.bit.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
IMPORT-BOOKING DETAILS.xls.bit.exe
Resource
win10v20201028
General
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Target
IMPORT-BOOKING DETAILS.xls.bit.exe
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Size
942KB
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MD5
056347ef33d8723e7fe77e03809ea6a8
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SHA1
fd00800bb7f4a0499742eb5ee71427fdef5e0592
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SHA256
09abaa1b12ae6d7ed845027756e8852a39ac0a75fecf53f76c08ce48bdf58b91
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SHA512
10eb88ef51562bad7664e2ab7fd1da5eeaea8a2c1e3a70fe61cc83c4dfa8bff2e7389c719cb4ad443ed3fba43e5cd7a87391b041c08f7e58f4dce8781d0e552e
Malware Config
Signatures
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ISR Stealer
ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
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ISR Stealer Payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1288-3-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral1/memory/1288-4-0x0000000000401180-mapping.dmp family_isrstealer -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/524-17-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView -
Nirsoft 1 IoCs
Processes:
resource yara_rule behavioral1/memory/524-17-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft -
Processes:
resource yara_rule behavioral1/memory/1972-8-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1972-10-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1972-11-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/524-14-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/524-16-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/524-17-0x0000000000400000-0x000000000041F000-memory.dmp upx -
Drops startup file 1 IoCs
Processes:
notepad.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\...................vbs notepad.exe -
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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Suspicious use of SetThreadContext 3 IoCs
Processes:
IMPORT-BOOKING DETAILS.xls.bit.exeIMPORT-BOOKING DETAILS.xls.bit.exedescription pid process target process PID 1032 set thread context of 1288 1032 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 set thread context of 1972 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 set thread context of 524 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe -
Processes:
IMPORT-BOOKING DETAILS.xls.bit.exedescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 IMPORT-BOOKING DETAILS.xls.bit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 IMPORT-BOOKING DETAILS.xls.bit.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
IMPORT-BOOKING DETAILS.xls.bit.exepid process 1032 IMPORT-BOOKING DETAILS.xls.bit.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
IMPORT-BOOKING DETAILS.xls.bit.exepid process 1032 IMPORT-BOOKING DETAILS.xls.bit.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
IMPORT-BOOKING DETAILS.xls.bit.exepid process 1288 IMPORT-BOOKING DETAILS.xls.bit.exe -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
IMPORT-BOOKING DETAILS.xls.bit.exeIMPORT-BOOKING DETAILS.xls.bit.exedescription pid process target process PID 1032 wrote to memory of 1200 1032 IMPORT-BOOKING DETAILS.xls.bit.exe notepad.exe PID 1032 wrote to memory of 1200 1032 IMPORT-BOOKING DETAILS.xls.bit.exe notepad.exe PID 1032 wrote to memory of 1200 1032 IMPORT-BOOKING DETAILS.xls.bit.exe notepad.exe PID 1032 wrote to memory of 1200 1032 IMPORT-BOOKING DETAILS.xls.bit.exe notepad.exe PID 1032 wrote to memory of 1200 1032 IMPORT-BOOKING DETAILS.xls.bit.exe notepad.exe PID 1032 wrote to memory of 1200 1032 IMPORT-BOOKING DETAILS.xls.bit.exe notepad.exe PID 1032 wrote to memory of 1288 1032 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1032 wrote to memory of 1288 1032 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1032 wrote to memory of 1288 1032 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1032 wrote to memory of 1288 1032 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 wrote to memory of 1972 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 wrote to memory of 1972 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 wrote to memory of 1972 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 wrote to memory of 1972 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 wrote to memory of 1972 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 wrote to memory of 1972 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 wrote to memory of 1972 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 wrote to memory of 1972 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 wrote to memory of 1972 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 wrote to memory of 524 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 wrote to memory of 524 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 wrote to memory of 524 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 wrote to memory of 524 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 wrote to memory of 524 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 wrote to memory of 524 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 wrote to memory of 524 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 wrote to memory of 524 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe PID 1288 wrote to memory of 524 1288 IMPORT-BOOKING DETAILS.xls.bit.exe IMPORT-BOOKING DETAILS.xls.bit.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\IMPORT-BOOKING DETAILS.xls.bit.exe"C:\Users\Admin\AppData\Local\Temp\IMPORT-BOOKING DETAILS.xls.bit.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1032 -
C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵
- Drops startup file
PID:1200
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C:\Users\Admin\AppData\Local\Temp\IMPORT-BOOKING DETAILS.xls.bit.exe"C:\Users\Admin\AppData\Local\Temp\IMPORT-BOOKING DETAILS.xls.bit.exe"2⤵
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1288 -
C:\Users\Admin\AppData\Local\Temp\IMPORT-BOOKING DETAILS.xls.bit.exe/scomma "C:\Users\Admin\AppData\Local\Temp\p9LiOyXQeA.ini"3⤵PID:1972
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C:\Users\Admin\AppData\Local\Temp\IMPORT-BOOKING DETAILS.xls.bit.exe/scomma "C:\Users\Admin\AppData\Local\Temp\z7fBM16fmQ.ini"3⤵PID:524
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
d1ea279fb5559c020a1b4137dc4de237
SHA1db6f8988af46b56216a6f0daf95ab8c9bdb57400
SHA256fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba
SHA512720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3