Analysis
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max time kernel
145s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 1840 RegSvcs.exe 1840 RegSvcs.exe 1840 RegSvcs.exe 1840 RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1488 set thread context of 1840 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 85 -
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 4304 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe Token: SeShutdownPrivilege 1840 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1840 RegSvcs.exe 1840 RegSvcs.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1488 wrote to memory of 4304 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 82 PID 1488 wrote to memory of 4304 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 82 PID 1488 wrote to memory of 4304 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 82 PID 1488 wrote to memory of 1496 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 84 PID 1488 wrote to memory of 1496 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 84 PID 1488 wrote to memory of 1496 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 84 PID 1488 wrote to memory of 1840 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 85 PID 1488 wrote to memory of 1840 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 85 PID 1488 wrote to memory of 1840 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 85 PID 1488 wrote to memory of 1840 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 85 PID 1488 wrote to memory of 1840 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 85 PID 1488 wrote to memory of 1840 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 85 PID 1488 wrote to memory of 1840 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 85 PID 1488 wrote to memory of 1840 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 85 PID 1488 wrote to memory of 1840 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 85 PID 1488 wrote to memory of 1840 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 85 PID 1488 wrote to memory of 1840 1488 b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe"C:\Users\Admin\AppData\Local\Temp\b13c23ba543d6cc3be5193435fa78b265ee98904ea2ad37f7922904cc5092cdd.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1488 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RgKuObYJRjVYK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2A47.tmp"2⤵
- Creates scheduled task(s)
PID:4304
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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⤵PID:1496
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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:1840
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5b803451044b4525bfe28c58fa69cc7d4
SHA19a91d443dce51d0393dccdda9eb4f9ad9e523e5f
SHA256f584ed25d24c759b7cbe78a7762717c141bdaf2c07ef0fad5ce8c730ad8dd7e0
SHA512db56d92e39085dfcb8868413593df07881660e108d817dfd26fc330d68da4586f99927288f2ebbdc49badcdd96f6ffd48e112e7e5a90699291d382ab6e29a375