Analysis
- max time kernel
149s - max time network
150s - platform
windows10_x64 - resource
win10v200722 - submitted
03/08/2020, 09:26
Static task
static1
Behavioral task
behavioral1
Sample
BL COPY.exe
Resource
win7
windows7_x64
0 signatures
0 seconds
General
- Target BL COPY.exe
- Size 392KB
- Sample200803-pyz2thze76
- SHA256 61ce5023167c9a25d41656e8bd12b05769fac072fc6edf6024641ae2c77c8ece
- MD5 8fffb7619b8621a8e71a5f4c0337db89
- SHA1 e63c00b12ce68c4492b8251df3a249fd5c3c826e
- SHA512 ec03755201b5aac0ecfdf5b526f2e1d53ffab0cd8967397fb26950464d19dbd957284ef17757c36bce63b17c1134f17cce1636b189862a4123afa9d7c6fb9df6
- MD5 SHA1 SHA512
Malware Config
Signatures
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description ioc Process Key created \Registry\User\S-1-5-21-1400429095-533421673-2598934218-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 msdt.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of AdjustPrivilegeToken 19 IoCs
description pid Process Token: SeDebugPrivilege 496 BL COPY.exe Token: SeDebugPrivilege 632 BL COPY.exe Token: SeShutdownPrivilege 3032 Explorer.EXE Token: SeCreatePagefilePrivilege 3032 Explorer.EXE Token: SeShutdownPrivilege 3032 Explorer.EXE Token: SeCreatePagefilePrivilege 3032 Explorer.EXE Token: SeShutdownPrivilege 3032 Explorer.EXE Token: SeCreatePagefilePrivilege 3032 Explorer.EXE Token: SeDebugPrivilege 1776 msdt.exe Token: SeShutdownPrivilege 3032 Explorer.EXE Token: SeCreatePagefilePrivilege 3032 Explorer.EXE Token: SeShutdownPrivilege 3032 Explorer.EXE Token: SeCreatePagefilePrivilege 3032 Explorer.EXE Token: SeShutdownPrivilege 3032 Explorer.EXE Token: SeCreatePagefilePrivilege 3032 Explorer.EXE Token: SeShutdownPrivilege 3032 Explorer.EXE Token: SeCreatePagefilePrivilege 3032 Explorer.EXE Token: SeShutdownPrivilege 3032 Explorer.EXE Token: SeCreatePagefilePrivilege 3032 Explorer.EXE - Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 496 set thread context of 632 496 BL COPY.exe 66 PID 632 set thread context of 3032 632 BL COPY.exe 56 PID 632 set thread context of 3032 632 BL COPY.exe 56 PID 1776 set thread context of 3032 1776 msdt.exe 56 - Suspicious behavior: MapViewOfSection 8 IoCs
pid Process 632 BL COPY.exe 632 BL COPY.exe 632 BL COPY.exe 632 BL COPY.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 3032 Explorer.EXE - Formbook Payload 4 IoCs
resource yara_rule behavioral2/memory/632-0-0x0000000000400000-0x000000000042E000-memory.dmp formbook behavioral2/memory/632-0-0x0000000000400000-0x000000000042E000-memory.dmp formbook behavioral2/memory/632-1-0x000000000041ED30-mapping.dmp formbook behavioral2/memory/1776-8-0x0000000000000000-mapping.dmp formbook - Suspicious behavior: EnumeratesProcesses 60 IoCs
pid Process 496 BL COPY.exe 632 BL COPY.exe 632 BL COPY.exe 632 BL COPY.exe 632 BL COPY.exe 496 BL COPY.exe 632 BL COPY.exe 632 BL COPY.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe 1776 msdt.exe - Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 496 wrote to memory of 632 496 BL COPY.exe 66 PID 496 wrote to memory of 632 496 BL COPY.exe 66 PID 496 wrote to memory of 632 496 BL COPY.exe 66 PID 496 wrote to memory of 632 496 BL COPY.exe 66 PID 496 wrote to memory of 632 496 BL COPY.exe 66 PID 496 wrote to memory of 632 496 BL COPY.exe 66 PID 496 wrote to memory of 1000 496 BL COPY.exe 67 PID 496 wrote to memory of 1000 496 BL COPY.exe 67 PID 496 wrote to memory of 1000 496 BL COPY.exe 67 PID 496 wrote to memory of 1104 496 BL COPY.exe 69 PID 496 wrote to memory of 1104 496 BL COPY.exe 69 PID 496 wrote to memory of 1104 496 BL COPY.exe 69 PID 1104 wrote to memory of 1372 1104 cmd.exe 71 PID 1104 wrote to memory of 1372 1104 cmd.exe 71 PID 1104 wrote to memory of 1372 1104 cmd.exe 71 PID 496 wrote to memory of 1464 496 BL COPY.exe 72 PID 496 wrote to memory of 1464 496 BL COPY.exe 72 PID 496 wrote to memory of 1464 496 BL COPY.exe 72 PID 3032 wrote to memory of 1776 3032 Explorer.EXE 75 PID 3032 wrote to memory of 1776 3032 Explorer.EXE 75 PID 3032 wrote to memory of 1776 3032 Explorer.EXE 75 PID 1776 wrote to memory of 2288 1776 msdt.exe 77 PID 1776 wrote to memory of 2288 1776 msdt.exe 77 PID 1776 wrote to memory of 2288 1776 msdt.exe 77 PID 1776 wrote to memory of 3020 1776 msdt.exe 81 PID 1776 wrote to memory of 3020 1776 msdt.exe 81 PID 1776 wrote to memory of 3020 1776 msdt.exe 81 - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3032 Explorer.EXE - NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe:Zone.Identifier cmd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
- Suspicious use of FindShellTrayWindow
PID:3032 -
C:\Users\Admin\AppData\Local\Temp\BL COPY.exe"C:\Users\Admin\AppData\Local\Temp\BL COPY.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:496 -
C:\Users\Admin\AppData\Local\Temp\BL COPY.exe"C:/Users/Admin/AppData/Local/Temp/BL COPY.exe"3⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: EnumeratesProcesses
PID:632
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/BL COPY.exe" "%temp%\FolderN\name.exe" /Y3⤵PID:1000
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%temp%\FolderN\name.exe.lnk" /f3⤵
- Suspicious use of WriteProcessMemory
PID:1104 -
C:\Windows\SysWOW64\reg.exereg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe.lnk" /f4⤵PID:1372
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %temp%\FolderN\name.exe:Zone.Identifier3⤵
- NTFS ADS
PID:1464
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C:\Windows\SysWOW64\autofmt.exe"C:\Windows\SysWOW64\autofmt.exe"2⤵PID:1724
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C:\Windows\SysWOW64\msdt.exe"C:\Windows\SysWOW64\msdt.exe"2⤵
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1776 -
C:\Windows\SysWOW64\cmd.exe/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V3⤵PID:2288
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵PID:3020
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