Analysis
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max time kernel
71s -
max time network
131s -
platform
windows10_x64 -
resource
win10v20201028 -
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 3 IoCs
resource yara_rule behavioral2/memory/3208-2-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral2/memory/3208-3-0x0000000000401180-mapping.dmp family_isrstealer behavioral2/memory/3208-4-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/3264-15-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView -
Nirsoft 1 IoCs
resource yara_rule behavioral2/memory/3264-15-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft -
resource yara_rule behavioral2/memory/3008-7-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3008-9-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3008-10-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral2/memory/3264-12-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/3264-14-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral2/memory/3264-15-0x0000000000400000-0x000000000041F000-memory.dmp upx -
Drops startup file 1 IoCs
description 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
description pid Process procid_target PID 728 set thread context of 3208 728 IMPORT-BOOKING DETAILS.xls.bit.exe 76 PID 3208 set thread context of 3008 3208 IMPORT-BOOKING DETAILS.xls.bit.exe 77 PID 3208 set thread context of 3264 3208 IMPORT-BOOKING DETAILS.xls.bit.exe 80 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 728 IMPORT-BOOKING DETAILS.xls.bit.exe 728 IMPORT-BOOKING DETAILS.xls.bit.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 728 IMPORT-BOOKING DETAILS.xls.bit.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3208 IMPORT-BOOKING DETAILS.xls.bit.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 728 wrote to memory of 3332 728 IMPORT-BOOKING DETAILS.xls.bit.exe 75 PID 728 wrote to memory of 3332 728 IMPORT-BOOKING DETAILS.xls.bit.exe 75 PID 728 wrote to memory of 3332 728 IMPORT-BOOKING DETAILS.xls.bit.exe 75 PID 728 wrote to memory of 3332 728 IMPORT-BOOKING DETAILS.xls.bit.exe 75 PID 728 wrote to memory of 3332 728 IMPORT-BOOKING DETAILS.xls.bit.exe 75 PID 728 wrote to memory of 3208 728 IMPORT-BOOKING DETAILS.xls.bit.exe 76 PID 728 wrote to memory of 3208 728 IMPORT-BOOKING DETAILS.xls.bit.exe 76 PID 728 wrote to memory of 3208 728 IMPORT-BOOKING DETAILS.xls.bit.exe 76 PID 3208 wrote to memory of 3008 3208 IMPORT-BOOKING DETAILS.xls.bit.exe 77 PID 3208 wrote to memory of 3008 3208 IMPORT-BOOKING DETAILS.xls.bit.exe 77 PID 3208 wrote to memory of 3008 3208 IMPORT-BOOKING DETAILS.xls.bit.exe 77 PID 3208 wrote to memory of 3008 3208 IMPORT-BOOKING DETAILS.xls.bit.exe 77 PID 3208 wrote to memory of 3008 3208 IMPORT-BOOKING DETAILS.xls.bit.exe 77 PID 3208 wrote to memory of 3008 3208 IMPORT-BOOKING DETAILS.xls.bit.exe 77 PID 3208 wrote to memory of 3008 3208 IMPORT-BOOKING DETAILS.xls.bit.exe 77 PID 3208 wrote to memory of 3008 3208 IMPORT-BOOKING DETAILS.xls.bit.exe 77 PID 3208 wrote to memory of 3264 3208 IMPORT-BOOKING DETAILS.xls.bit.exe 80 PID 3208 wrote to memory of 3264 3208 IMPORT-BOOKING DETAILS.xls.bit.exe 80 PID 3208 wrote to memory of 3264 3208 IMPORT-BOOKING DETAILS.xls.bit.exe 80 PID 3208 wrote to memory of 3264 3208 IMPORT-BOOKING DETAILS.xls.bit.exe 80 PID 3208 wrote to memory of 3264 3208 IMPORT-BOOKING DETAILS.xls.bit.exe 80 PID 3208 wrote to memory of 3264 3208 IMPORT-BOOKING DETAILS.xls.bit.exe 80 PID 3208 wrote to memory of 3264 3208 IMPORT-BOOKING DETAILS.xls.bit.exe 80 PID 3208 wrote to memory of 3264 3208 IMPORT-BOOKING DETAILS.xls.bit.exe 80
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:728 -
C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵
- Drops startup file
PID:3332
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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
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3208 -
C:\Users\Admin\AppData\Local\Temp\IMPORT-BOOKING DETAILS.xls.bit.exe/scomma "C:\Users\Admin\AppData\Local\Temp\UgBp7YUTrZ.ini"3⤵PID:3008
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C:\Users\Admin\AppData\Local\Temp\IMPORT-BOOKING DETAILS.xls.bit.exe/scomma "C:\Users\Admin\AppData\Local\Temp\dgacOuW8FT.ini"3⤵PID:3264
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