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Analysis
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max time kernel
146s -
max time network
150s -
platform
windows10_x64 -
resource
win10v200430 -
submitted
09/07/2020, 13:44
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.BScope.Backdoor.Remcos.948.exe
Resource
win7
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
SecuriteInfo.com.BScope.Backdoor.Remcos.948.exe
Resource
win10v200430
windows10_x64
0 signatures
0 seconds
General
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Target
SecuriteInfo.com.BScope.Backdoor.Remcos.948.exe
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Size
546KB
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MD5
e7ec2585b8fd04839c9d29fbaf35b6fc
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SHA1
c0b524bf9180fc3dbae0e8c72b96fd8c0ddf6e02
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SHA256
8afd54f2ed0af6d9593b0985cec1604748ca753900859fe4ee225d21b574e55e
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SHA512
c2ece5ab56dd7637b794e49cd5c0df9413ebd64ec2edf3443184d55e2330ee4450eee23f6d7469196e11ea7b1a5401e8ce935529f1c0cce4483c405f74438259
Score
8/10
Malware Config
Signatures
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Suspicious behavior: MapViewOfSection 7 IoCs
pid Process 3684 ieinstal.exe 3684 ieinstal.exe 3684 ieinstal.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3684 set thread context of 2952 3684 ieinstal.exe 56 PID 4044 set thread context of 2952 4044 rundll32.exe 56 -
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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Adds Run entry to policy start application 2 TTPs 1 IoCs
description ioc Process Key created \Registry\User\S-1-5-21-1231583446-2617009595-2137880041-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run rundll32.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1628 wrote to memory of 3684 1628 SecuriteInfo.com.BScope.Backdoor.Remcos.948.exe 72 PID 1628 wrote to memory of 3684 1628 SecuriteInfo.com.BScope.Backdoor.Remcos.948.exe 72 PID 1628 wrote to memory of 3684 1628 SecuriteInfo.com.BScope.Backdoor.Remcos.948.exe 72 PID 1628 wrote to memory of 3684 1628 SecuriteInfo.com.BScope.Backdoor.Remcos.948.exe 72 PID 1628 wrote to memory of 3684 1628 SecuriteInfo.com.BScope.Backdoor.Remcos.948.exe 72 PID 1628 wrote to memory of 3684 1628 SecuriteInfo.com.BScope.Backdoor.Remcos.948.exe 72 PID 2952 wrote to memory of 4044 2952 Explorer.EXE 73 PID 2952 wrote to memory of 4044 2952 Explorer.EXE 73 PID 2952 wrote to memory of 4044 2952 Explorer.EXE 73 PID 4044 wrote to memory of 3832 4044 rundll32.exe 74 PID 4044 wrote to memory of 3832 4044 rundll32.exe 74 PID 4044 wrote to memory of 3832 4044 rundll32.exe 74 PID 4044 wrote to memory of 4036 4044 rundll32.exe 76 PID 4044 wrote to memory of 4036 4044 rundll32.exe 76 PID 4044 wrote to memory of 4036 4044 rundll32.exe 76 -
Suspicious behavior: EnumeratesProcesses 50 IoCs
pid Process 3684 ieinstal.exe 3684 ieinstal.exe 3684 ieinstal.exe 3684 ieinstal.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe -
Adds Run entry to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\Software\Microsoft\Windows\CurrentVersion\Run\ZRHL-6RHUB = "C:\\Program Files (x86)\\internet explorer\\ieinstal.exe" rundll32.exe Key created \Registry\User\S-1-5-21-1231583446-2617009595-2137880041-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run rundll32.exe -
description ioc Process Key created \Registry\User\S-1-5-21-1231583446-2617009595-2137880041-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3684 ieinstal.exe Token: SeDebugPrivilege 4044 rundll32.exe Token: SeShutdownPrivilege 2952 Explorer.EXE Token: SeCreatePagefilePrivilege 2952 Explorer.EXE Token: SeShutdownPrivilege 2952 Explorer.EXE Token: SeCreatePagefilePrivilege 2952 Explorer.EXE Token: SeShutdownPrivilege 2952 Explorer.EXE Token: SeCreatePagefilePrivilege 2952 Explorer.EXE Token: SeShutdownPrivilege 2952 Explorer.EXE Token: SeCreatePagefilePrivilege 2952 Explorer.EXE Token: SeShutdownPrivilege 2952 Explorer.EXE Token: SeCreatePagefilePrivilege 2952 Explorer.EXE -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
PID:2952 -
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BScope.Backdoor.Remcos.948.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BScope.Backdoor.Remcos.948.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1628 -
C:\Program Files (x86)\internet explorer\ieinstal.exe"C:\Program Files (x86)\internet explorer\ieinstal.exe"3⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3684
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe"2⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetThreadContext
- Adds Run entry to policy start application
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Adds Run entry to start application
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
PID:4044 -
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:3832
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵PID:4036
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