Analysis
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max time kernel
146s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
21-07-2022 17:01
Static task
static1
Behavioral task
behavioral1
Sample
9ca474dfa5f9f967f313b8eedc8c21f1.exe
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
9ca474dfa5f9f967f313b8eedc8c21f1.exe
Resource
win10v2004-20220721-en
General
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Target
9ca474dfa5f9f967f313b8eedc8c21f1.exe
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Size
1.3MB
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MD5
9ca474dfa5f9f967f313b8eedc8c21f1
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SHA1
fe34d8e8f8135b751bec2f050be08befc0d86a9e
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SHA256
fb636076a52142a4d28dc7dd07f4163a38a8ff6f3e205ed60c25317882b307e3
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SHA512
e4bb11ce018a608a4f163249fb253ce8f504a6dbaf064652e997d64f49b02d2a8c97dc7ff479fa40a3f5c147a198916c69bb46e56f9eec09b52ea4ae98a2f14b
Malware Config
Extracted
bitrat
1.38
ejuejehth.con-ip.com:1880
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communication_password
202cb962ac59075b964b07152d234b70
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tor_process
tor
Signatures
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suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
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Processes:
resource yara_rule behavioral2/memory/1472-141-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/1472-142-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/1472-143-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/1472-145-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/1472-144-0x0000000000400000-0x00000000007E4000-memory.dmp upx behavioral2/memory/1472-148-0x0000000000400000-0x00000000007E4000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
9ca474dfa5f9f967f313b8eedc8c21f1.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation 9ca474dfa5f9f967f313b8eedc8c21f1.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
9ca474dfa5f9f967f313b8eedc8c21f1.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Zdqdiuzoa\\chrome.exe\"" 9ca474dfa5f9f967f313b8eedc8c21f1.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
Processes:
InstallUtil.exepid process 1472 InstallUtil.exe 1472 InstallUtil.exe 1472 InstallUtil.exe 1472 InstallUtil.exe 1472 InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
9ca474dfa5f9f967f313b8eedc8c21f1.exedescription pid process target process PID 4044 set thread context of 1472 4044 9ca474dfa5f9f967f313b8eedc8c21f1.exe InstallUtil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exe9ca474dfa5f9f967f313b8eedc8c21f1.exepid process 3476 powershell.exe 3476 powershell.exe 4044 9ca474dfa5f9f967f313b8eedc8c21f1.exe 4044 9ca474dfa5f9f967f313b8eedc8c21f1.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
9ca474dfa5f9f967f313b8eedc8c21f1.exepowershell.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 4044 9ca474dfa5f9f967f313b8eedc8c21f1.exe Token: SeDebugPrivilege 3476 powershell.exe Token: SeShutdownPrivilege 1472 InstallUtil.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
InstallUtil.exepid process 1472 InstallUtil.exe 1472 InstallUtil.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
9ca474dfa5f9f967f313b8eedc8c21f1.exedescription pid process target process PID 4044 wrote to memory of 3476 4044 9ca474dfa5f9f967f313b8eedc8c21f1.exe powershell.exe PID 4044 wrote to memory of 3476 4044 9ca474dfa5f9f967f313b8eedc8c21f1.exe powershell.exe PID 4044 wrote to memory of 3476 4044 9ca474dfa5f9f967f313b8eedc8c21f1.exe powershell.exe PID 4044 wrote to memory of 1472 4044 9ca474dfa5f9f967f313b8eedc8c21f1.exe InstallUtil.exe PID 4044 wrote to memory of 1472 4044 9ca474dfa5f9f967f313b8eedc8c21f1.exe InstallUtil.exe PID 4044 wrote to memory of 1472 4044 9ca474dfa5f9f967f313b8eedc8c21f1.exe InstallUtil.exe PID 4044 wrote to memory of 1472 4044 9ca474dfa5f9f967f313b8eedc8c21f1.exe InstallUtil.exe PID 4044 wrote to memory of 1472 4044 9ca474dfa5f9f967f313b8eedc8c21f1.exe InstallUtil.exe PID 4044 wrote to memory of 1472 4044 9ca474dfa5f9f967f313b8eedc8c21f1.exe InstallUtil.exe PID 4044 wrote to memory of 1472 4044 9ca474dfa5f9f967f313b8eedc8c21f1.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9ca474dfa5f9f967f313b8eedc8c21f1.exe"C:\Users\Admin\AppData\Local\Temp\9ca474dfa5f9f967f313b8eedc8c21f1.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1472-144-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3.9MB
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memory/1472-143-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3.9MB
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memory/1472-140-0x0000000000000000-mapping.dmp
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memory/1472-142-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3.9MB
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memory/1472-141-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3.9MB
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memory/1472-150-0x0000000074750000-0x0000000074789000-memory.dmpFilesize
228KB
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memory/1472-149-0x00000000743D0000-0x0000000074409000-memory.dmpFilesize
228KB
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memory/1472-148-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3.9MB
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memory/1472-147-0x0000000074750000-0x0000000074789000-memory.dmpFilesize
228KB
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memory/1472-146-0x00000000743D0000-0x0000000074409000-memory.dmpFilesize
228KB
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memory/1472-145-0x0000000000400000-0x00000000007E4000-memory.dmpFilesize
3.9MB
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memory/3476-136-0x00000000053E0000-0x0000000005446000-memory.dmpFilesize
408KB
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memory/3476-133-0x0000000002480000-0x00000000024B6000-memory.dmpFilesize
216KB
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memory/3476-134-0x0000000004DB0000-0x00000000053D8000-memory.dmpFilesize
6.2MB
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memory/3476-132-0x0000000000000000-mapping.dmp
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memory/3476-139-0x0000000005F10000-0x0000000005F2A000-memory.dmpFilesize
104KB
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memory/3476-138-0x00000000072C0000-0x000000000793A000-memory.dmpFilesize
6.5MB
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memory/3476-137-0x0000000005A60000-0x0000000005A7E000-memory.dmpFilesize
120KB
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memory/3476-135-0x0000000004D30000-0x0000000004D96000-memory.dmpFilesize
408KB
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memory/4044-130-0x00000000004C0000-0x000000000060E000-memory.dmpFilesize
1.3MB
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memory/4044-131-0x0000000005EB0000-0x0000000005ED2000-memory.dmpFilesize
136KB