Analysis Overview
SHA256
ce6c774bcbcb08ee2e11a539a45e70afc1282d04970d52b42020d8c761173b49
Threat Level: Known bad
The file ce6c774bcbcb08ee2e11a539a45e70afc1282d04970d52b42020d8c761173b49 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
Darkcomet
Sets file to hidden
Loads dropped DLL
UPX packed file
Checks computer location settings
Executes dropped EXE
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Suspicious use of SetWindowsHookEx
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-04-17 12:56
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-17 12:56
Reported
2024-04-17 13:00
Platform
win7-20240221-en
Max time kernel
192s
Max time network
218s
Command Line
Signatures
Darkcomet
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\ASDKODGS.EXE | N/A |
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ASDKODGS.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ZBYTE2.0.EXE | N/A |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eddb245a5dc0d8f70ffb66c033cbaa38ea4639d900739c5580bc37d86f258816.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eddb245a5dc0d8f70ffb66c033cbaa38ea4639d900739c5580bc37d86f258816.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eddb245a5dc0d8f70ffb66c033cbaa38ea4639d900739c5580bc37d86f258816.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ASDKODGS.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ASDKODGS.EXE | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\ASDKODGS.EXE | N/A |
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\eddb245a5dc0d8f70ffb66c033cbaa38ea4639d900739c5580bc37d86f258816.exe
"C:\Users\Admin\AppData\Local\Temp\eddb245a5dc0d8f70ffb66c033cbaa38ea4639d900739c5580bc37d86f258816.exe"
C:\Users\Admin\AppData\Local\Temp\ASDKODGS.EXE
"C:\Users\Admin\AppData\Local\Temp\ASDKODGS.EXE"
C:\Users\Admin\AppData\Local\Temp\ZBYTE2.0.EXE
"C:\Users\Admin\AppData\Local\Temp\ZBYTE2.0.EXE"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\ASDKODGS.EXE" +s +h
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\ASDKODGS.EXE" +s +h
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Windows\SysWOW64\notepad.exe
notepad
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sussynv83dj893.duckdns.org | udp |
| TR | 78.169.2.131:1604 | sussynv83dj893.duckdns.org | tcp |
| TR | 78.169.2.131:1604 | sussynv83dj893.duckdns.org | tcp |
| TR | 78.169.2.131:1604 | sussynv83dj893.duckdns.org | tcp |
| US | 8.8.8.8:53 | sussynv83dj893.duckdns.org | udp |
| TR | 78.169.2.131:1604 | sussynv83dj893.duckdns.org | tcp |
| TR | 78.169.2.131:1604 | sussynv83dj893.duckdns.org | tcp |
| TR | 78.169.2.131:1604 | sussynv83dj893.duckdns.org | tcp |
| US | 8.8.8.8:53 | sussynv83dj893.duckdns.org | udp |
| TR | 78.169.2.131:1604 | sussynv83dj893.duckdns.org | tcp |
Files
\Users\Admin\AppData\Local\Temp\ASDKODGS.EXE
| MD5 | 0055ec3943749262735d79fcb4f04119 |
| SHA1 | b2c2dce19536c945785534f9fa4b5062ec43d541 |
| SHA256 | 85bfcf8f009f442c997e9aa5ddb9430fd8e55b98c1c6108e248d9aa901f15c0b |
| SHA512 | 72b1873565f9fe8c8ae273df2805f2f1a126581f67bdead56c6818637c9026d6ff7f36bc4280de58b18e9670b209006db404ee7122cd5fd830e6464590f3b807 |
memory/2444-8-0x0000000000F40000-0x0000000000FF7000-memory.dmp
memory/2448-12-0x0000000000400000-0x00000000004B7000-memory.dmp
\Users\Admin\AppData\Local\Temp\ZBYTE2.0.EXE
| MD5 | fc90c2fb06b099a072bd23f4722c591d |
| SHA1 | 69c2f9af2391b3311ce344a922ac650b0f3456b9 |
| SHA256 | e0df4445f3486b15b57da921ddc15b3137a5f2eb035f34130bc51f6be16d747e |
| SHA512 | c3e87df8217d421abe951492809c7a89a5aaae341242c03428731362cb4907801e21da4bc6271d455ca7280131c59f2cb0137b829556d9c2f2a944be471cd619 |
memory/2448-18-0x0000000000240000-0x0000000000241000-memory.dmp
memory/3032-30-0x00000000000A0000-0x00000000000B4000-memory.dmp
memory/2944-61-0x00000000002C0000-0x00000000002C1000-memory.dmp
memory/2944-32-0x0000000000080000-0x0000000000081000-memory.dmp
memory/3032-62-0x0000000073CA0000-0x000000007438E000-memory.dmp
memory/2448-63-0x00000000031D0000-0x0000000003287000-memory.dmp
memory/576-64-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/576-65-0x00000000001D0000-0x00000000001D1000-memory.dmp
memory/2448-66-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/3032-67-0x0000000004B50000-0x0000000004B90000-memory.dmp
memory/576-68-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/3032-69-0x0000000073CA0000-0x000000007438E000-memory.dmp
memory/3032-71-0x0000000004B50000-0x0000000004B90000-memory.dmp
memory/3032-72-0x0000000004B50000-0x0000000004B90000-memory.dmp
memory/576-73-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/576-74-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/3032-76-0x0000000004B50000-0x0000000004B90000-memory.dmp
memory/576-80-0x0000000000400000-0x00000000004B7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-17 12:56
Reported
2024-04-17 12:59
Platform
win10v2004-20240412-en
Max time kernel
150s
Max time network
158s
Command Line
Signatures
Darkcomet
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\ASDKODGS.EXE | N/A |
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-553605503-2331009851-2137262461-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\eddb245a5dc0d8f70ffb66c033cbaa38ea4639d900739c5580bc37d86f258816.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-553605503-2331009851-2137262461-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\ASDKODGS.EXE | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ASDKODGS.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ZBYTE2.0.EXE | N/A |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-553605503-2331009851-2137262461-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" | C:\Users\Admin\AppData\Local\Temp\ASDKODGS.EXE | N/A |
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Documents\MSDCSC\msdcsc.exe | N/A |
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\eddb245a5dc0d8f70ffb66c033cbaa38ea4639d900739c5580bc37d86f258816.exe
"C:\Users\Admin\AppData\Local\Temp\eddb245a5dc0d8f70ffb66c033cbaa38ea4639d900739c5580bc37d86f258816.exe"
C:\Users\Admin\AppData\Local\Temp\ASDKODGS.EXE
"C:\Users\Admin\AppData\Local\Temp\ASDKODGS.EXE"
C:\Users\Admin\AppData\Local\Temp\ZBYTE2.0.EXE
"C:\Users\Admin\AppData\Local\Temp\ZBYTE2.0.EXE"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\ASDKODGS.EXE" +s +h
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\ASDKODGS.EXE" +s +h
C:\Windows\SysWOW64\notepad.exe
notepad
C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sussynv83dj893.duckdns.org | udp |
| TR | 78.169.2.131:1604 | sussynv83dj893.duckdns.org | tcp |
| US | 8.8.8.8:53 | 18.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| NL | 23.62.61.57:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 57.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| TR | 78.169.2.131:1604 | sussynv83dj893.duckdns.org | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| TR | 78.169.2.131:1604 | sussynv83dj893.duckdns.org | tcp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sussynv83dj893.duckdns.org | udp |
| TR | 78.169.2.131:1604 | sussynv83dj893.duckdns.org | tcp |
| TR | 78.169.2.131:1604 | sussynv83dj893.duckdns.org | tcp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.142.123.92.in-addr.arpa | udp |
| TR | 78.169.2.131:1604 | sussynv83dj893.duckdns.org | tcp |
| US | 8.8.8.8:53 | sussynv83dj893.duckdns.org | udp |
| TR | 78.169.2.131:1604 | sussynv83dj893.duckdns.org | tcp |
| US | 8.8.8.8:53 | 10.179.89.13.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\ASDKODGS.EXE
| MD5 | 0055ec3943749262735d79fcb4f04119 |
| SHA1 | b2c2dce19536c945785534f9fa4b5062ec43d541 |
| SHA256 | 85bfcf8f009f442c997e9aa5ddb9430fd8e55b98c1c6108e248d9aa901f15c0b |
| SHA512 | 72b1873565f9fe8c8ae273df2805f2f1a126581f67bdead56c6818637c9026d6ff7f36bc4280de58b18e9670b209006db404ee7122cd5fd830e6464590f3b807 |
memory/3324-14-0x0000000000400000-0x00000000004B7000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ZBYTE2.0.EXE
| MD5 | fc90c2fb06b099a072bd23f4722c591d |
| SHA1 | 69c2f9af2391b3311ce344a922ac650b0f3456b9 |
| SHA256 | e0df4445f3486b15b57da921ddc15b3137a5f2eb035f34130bc51f6be16d747e |
| SHA512 | c3e87df8217d421abe951492809c7a89a5aaae341242c03428731362cb4907801e21da4bc6271d455ca7280131c59f2cb0137b829556d9c2f2a944be471cd619 |
memory/3324-23-0x0000000000B10000-0x0000000000B11000-memory.dmp
memory/1472-37-0x00000000008D0000-0x00000000008D1000-memory.dmp
memory/1472-40-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4388-39-0x0000000000C70000-0x0000000000C71000-memory.dmp
memory/4752-38-0x0000000000CE0000-0x0000000000CF4000-memory.dmp
memory/4752-36-0x0000000073990000-0x0000000074140000-memory.dmp
memory/4752-41-0x00000000056F0000-0x000000000578C000-memory.dmp
memory/4752-42-0x0000000005D40000-0x00000000062E4000-memory.dmp
memory/4752-43-0x0000000005830000-0x00000000058C2000-memory.dmp
memory/4752-44-0x0000000005A50000-0x0000000005A60000-memory.dmp
memory/3324-45-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4752-46-0x0000000005790000-0x000000000579A000-memory.dmp
memory/4752-47-0x00000000059F0000-0x0000000005A46000-memory.dmp
memory/4752-48-0x0000000005A50000-0x0000000005A60000-memory.dmp
memory/1472-49-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/4752-50-0x0000000073990000-0x0000000074140000-memory.dmp
memory/4752-52-0x0000000005A50000-0x0000000005A60000-memory.dmp
memory/4752-53-0x0000000005A50000-0x0000000005A60000-memory.dmp
memory/1472-54-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/1472-56-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/1472-58-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/1472-60-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/1472-62-0x0000000000400000-0x00000000004B7000-memory.dmp
memory/1472-64-0x0000000000400000-0x00000000004B7000-memory.dmp