Analysis Overview
SHA256
297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426
Threat Level: Known bad
The file 297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Executes dropped EXE
UPX packed file
Loads dropped DLL
Adds Run key to start application
Suspicious use of SetThreadContext
Program crash
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-10-11 03:44
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-10-11 03:44
Reported
2022-10-11 04:23
Platform
win7-20220812-en
Max time kernel
153s
Max time network
156s
Command Line
Signatures
Darkcomet
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Loads dropped DLL
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run | C:\Windows\SysWOW64\reg.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\TapNet = "C:\\Users\\Admin\\AppData\\Roaming\\tapinterface\\tap.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1976 set thread context of 576 | N/A | C:\Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe | C:\Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe |
| PID 920 set thread context of 1168 | N/A | C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe | C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe |
| PID 920 set thread context of 1520 | N/A | C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe | C:\Windows\SysWOW64\svchost.exe |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe
"C:\Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe"
C:\Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe
"C:\Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\RNBOW.bat" "
C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "TapNet" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe" /f
C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe
"C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe"
C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe
"C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe"
C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
Network
| Country | Destination | Domain | Proto |
| NL | 212.7.192.244:1337 | tcp | |
| NL | 212.7.192.244:1337 | tcp | |
| NL | 212.7.192.244:1337 | tcp | |
| NL | 212.7.192.244:1337 | tcp | |
| NL | 212.7.192.244:1337 | tcp | |
| NL | 212.7.192.244:1337 | tcp |
Files
memory/1976-56-0x00000000008CF000-0x000000000090D000-memory.dmp
\Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe
| MD5 | 546c072b018550f4d7d0906a680fd3c0 |
| SHA1 | 7dd5804dc559699abc96d006c05579eed1f85abe |
| SHA256 | 297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426 |
| SHA512 | 789263c911a0eb94de1125e3cb441476f25eb619d5d966781371e98695a523016c59766252cdd681f8f7bc085894a86213090a89ebf4dd6ef5a324db44fd5b57 |
memory/576-59-0x0000000000400000-0x000000000040B000-memory.dmp
memory/576-60-0x0000000000400000-0x000000000040B000-memory.dmp
memory/576-62-0x0000000000400000-0x000000000040B000-memory.dmp
memory/576-63-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe
| MD5 | 546c072b018550f4d7d0906a680fd3c0 |
| SHA1 | 7dd5804dc559699abc96d006c05579eed1f85abe |
| SHA256 | 297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426 |
| SHA512 | 789263c911a0eb94de1125e3cb441476f25eb619d5d966781371e98695a523016c59766252cdd681f8f7bc085894a86213090a89ebf4dd6ef5a324db44fd5b57 |
memory/576-64-0x00000000004085D0-mapping.dmp
memory/576-67-0x0000000000400000-0x000000000040B000-memory.dmp
memory/576-68-0x0000000000400000-0x000000000040B000-memory.dmp
memory/576-71-0x0000000000400000-0x000000000040B000-memory.dmp
memory/576-72-0x00000000762B1000-0x00000000762B3000-memory.dmp
memory/812-73-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\RNBOW.bat
| MD5 | 517aa80e282d1f1a3ea764d1a5f32ed8 |
| SHA1 | 990331d6b551d436d81f5aac0914b7ed7fa51136 |
| SHA256 | fc1c4d0d8ea5d27476e23c49b7dacd40cd9dac4763303ad838774984a2bdc81d |
| SHA512 | caf370281540e19a15ac5a44204788525fb181f714bf396af2fc3f717e80c132e55e0a0db82e230c8469c29c3ab49f3a697dbb85141201405334b5420540abc7 |
memory/2020-75-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Roaming\tapinterface\tap.exe
| MD5 | 54c1b78ad08f7021e76f924b8566933a |
| SHA1 | 25c1d754c0013fc81a11075b64affef6950bc10a |
| SHA256 | 67f09ed3a7dec619a9ed55ce22fa4daaec96029d867418e1bed58c9e7d084489 |
| SHA512 | 38b01ff6e2ccf24a06ad94a90e317f12b21836779568d83b6112f8233783fe6a3d4db1df60ac6c2a5e5738ce8baa84b00f689cb22a53a9414d3e359758bf462e |
\Users\Admin\AppData\Roaming\tapinterface\tap.exe
| MD5 | 54c1b78ad08f7021e76f924b8566933a |
| SHA1 | 25c1d754c0013fc81a11075b64affef6950bc10a |
| SHA256 | 67f09ed3a7dec619a9ed55ce22fa4daaec96029d867418e1bed58c9e7d084489 |
| SHA512 | 38b01ff6e2ccf24a06ad94a90e317f12b21836779568d83b6112f8233783fe6a3d4db1df60ac6c2a5e5738ce8baa84b00f689cb22a53a9414d3e359758bf462e |
\Users\Admin\AppData\Roaming\tapinterface\tap.exe
| MD5 | 54c1b78ad08f7021e76f924b8566933a |
| SHA1 | 25c1d754c0013fc81a11075b64affef6950bc10a |
| SHA256 | 67f09ed3a7dec619a9ed55ce22fa4daaec96029d867418e1bed58c9e7d084489 |
| SHA512 | 38b01ff6e2ccf24a06ad94a90e317f12b21836779568d83b6112f8233783fe6a3d4db1df60ac6c2a5e5738ce8baa84b00f689cb22a53a9414d3e359758bf462e |
\Users\Admin\AppData\Roaming\tapinterface\tap.exe
| MD5 | 54c1b78ad08f7021e76f924b8566933a |
| SHA1 | 25c1d754c0013fc81a11075b64affef6950bc10a |
| SHA256 | 67f09ed3a7dec619a9ed55ce22fa4daaec96029d867418e1bed58c9e7d084489 |
| SHA512 | 38b01ff6e2ccf24a06ad94a90e317f12b21836779568d83b6112f8233783fe6a3d4db1df60ac6c2a5e5738ce8baa84b00f689cb22a53a9414d3e359758bf462e |
C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe
| MD5 | 54c1b78ad08f7021e76f924b8566933a |
| SHA1 | 25c1d754c0013fc81a11075b64affef6950bc10a |
| SHA256 | 67f09ed3a7dec619a9ed55ce22fa4daaec96029d867418e1bed58c9e7d084489 |
| SHA512 | 38b01ff6e2ccf24a06ad94a90e317f12b21836779568d83b6112f8233783fe6a3d4db1df60ac6c2a5e5738ce8baa84b00f689cb22a53a9414d3e359758bf462e |
memory/920-81-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Roaming\tapinterface\tap.exe
| MD5 | 54c1b78ad08f7021e76f924b8566933a |
| SHA1 | 25c1d754c0013fc81a11075b64affef6950bc10a |
| SHA256 | 67f09ed3a7dec619a9ed55ce22fa4daaec96029d867418e1bed58c9e7d084489 |
| SHA512 | 38b01ff6e2ccf24a06ad94a90e317f12b21836779568d83b6112f8233783fe6a3d4db1df60ac6c2a5e5738ce8baa84b00f689cb22a53a9414d3e359758bf462e |
memory/920-85-0x000000000058F000-0x00000000005CD000-memory.dmp
C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe
| MD5 | 54c1b78ad08f7021e76f924b8566933a |
| SHA1 | 25c1d754c0013fc81a11075b64affef6950bc10a |
| SHA256 | 67f09ed3a7dec619a9ed55ce22fa4daaec96029d867418e1bed58c9e7d084489 |
| SHA512 | 38b01ff6e2ccf24a06ad94a90e317f12b21836779568d83b6112f8233783fe6a3d4db1df60ac6c2a5e5738ce8baa84b00f689cb22a53a9414d3e359758bf462e |
C:\Users\Admin\AppData\Roaming\tapinterface\tap.exe
| MD5 | 54c1b78ad08f7021e76f924b8566933a |
| SHA1 | 25c1d754c0013fc81a11075b64affef6950bc10a |
| SHA256 | 67f09ed3a7dec619a9ed55ce22fa4daaec96029d867418e1bed58c9e7d084489 |
| SHA512 | 38b01ff6e2ccf24a06ad94a90e317f12b21836779568d83b6112f8233783fe6a3d4db1df60ac6c2a5e5738ce8baa84b00f689cb22a53a9414d3e359758bf462e |
memory/1168-93-0x00000000004085D0-mapping.dmp
memory/1520-100-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/1520-101-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/1168-103-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1520-104-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/1520-105-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/1520-106-0x00000000004B8720-mapping.dmp
memory/1520-107-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/576-108-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1520-111-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/1520-112-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/1520-113-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/1168-114-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1520-115-0x0000000000400000-0x00000000004BB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-10-11 03:44
Reported
2022-10-11 04:24
Platform
win10v2004-20220901-en
Max time kernel
91s
Max time network
148s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe
"C:\Users\Admin\AppData\Local\Temp\297e13b4ebfa037f39a01efecd32328bb5886e409cc754d0b8a712dad1f6c426.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3912 -ip 3912
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3912 -s 468
Network
| Country | Destination | Domain | Proto |
| US | 20.42.65.84:443 | tcp | |
| US | 52.109.13.64:443 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| NL | 104.80.229.204:443 | tcp |