Analysis
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max time kernel
151s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
29-01-2023 19:28
Static task
static1
Behavioral task
behavioral1
Sample
b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe
Resource
win7-20221111-en
General
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Target
b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe
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Size
5.0MB
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MD5
89c51019b03c22388a5cde47dd1529ec
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SHA1
c5734ca43306e8c84d10bc6f259c75f43255720a
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SHA256
b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd
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SHA512
bd7b1e7d0dfb0639f66e6c8f3151b0e96c4107b7e6babf0a3e9e13ae1e668967deeb32408508311e9d84224af5fbd91070bd5f24d8c55c6d734efbf5b3dfe30f
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SSDEEP
98304:0GQfVpTU4CxukRPMwMMD5KFPcldTkLSRHhyn5FwR+OJ1IH5iL1EauPw1z:XWHEJRd7YUdCSryn7yIwF6+
Malware Config
Extracted
bitrat
1.34
185.157.162.234:54262
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communication_password
2bb232c0b13c774965ef8558f0fbd615
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tor_process
tor
Signatures
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Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 1388 RegSvcs.exe 1388 RegSvcs.exe 1388 RegSvcs.exe 1388 RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1976 set thread context of 1388 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 30 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 524 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe Token: SeDebugPrivilege 1388 RegSvcs.exe Token: SeShutdownPrivilege 1388 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1388 RegSvcs.exe 1388 RegSvcs.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 1976 wrote to memory of 524 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 28 PID 1976 wrote to memory of 524 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 28 PID 1976 wrote to memory of 524 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 28 PID 1976 wrote to memory of 524 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 28 PID 1976 wrote to memory of 1388 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 30 PID 1976 wrote to memory of 1388 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 30 PID 1976 wrote to memory of 1388 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 30 PID 1976 wrote to memory of 1388 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 30 PID 1976 wrote to memory of 1388 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 30 PID 1976 wrote to memory of 1388 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 30 PID 1976 wrote to memory of 1388 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 30 PID 1976 wrote to memory of 1388 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 30 PID 1976 wrote to memory of 1388 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 30 PID 1976 wrote to memory of 1388 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 30 PID 1976 wrote to memory of 1388 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 30 PID 1976 wrote to memory of 1388 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 30 PID 1976 wrote to memory of 1388 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 30 PID 1976 wrote to memory of 1388 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 30 PID 1976 wrote to memory of 1388 1976 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe"C:\Users\Admin\AppData\Local\Temp\b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RgKuObYJRjVYK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE86C.tmp"2⤵
- Creates scheduled task(s)
PID:524
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1388
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5d0106f3f67a6264ff65473435d75ed9e
SHA1ae4bea29090eb81506c25c811df97f5cbdb76ace
SHA25641aaf1943d75fe36891e8fb1d71798809142d52e42523e694ef7f5bbf9f8626b
SHA5123c1780b9358751e4bd1a9132ad4cf36e705f929fb1646487c4411b53a174dcd97f983887e1ac405b5421949aef19c5222127bf79d6ec81a5d97b352ffaea44d6