Analysis Overview
SHA256
2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55
Threat Level: Known bad
The file 2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55 was found to be: Known bad.
Malicious Activity Summary
UPX dump on OEP (original entry point)
Detects executables containing base64 encoded User Agent
UPX dump on OEP (original entry point)
Loads dropped DLL
Executes dropped EXE
Reads user/profile data of web browsers
Deletes itself
Adds Run key to start application
Writes to the Master Boot Record (MBR)
Enumerates connected drives
Drops file in Program Files directory
Unsigned PE
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 19:46
Signatures
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 19:46
Reported
2024-04-07 19:49
Platform
win7-20240221-en
Max time kernel
158s
Max time network
177s
Command Line
Signatures
Detects executables containing base64 encoded User Agent
| 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 |
UPX dump on OEP (original entry point)
| 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 |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sqkcf.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sqkcf.exe | N/A |
| N/A | N/A | \??\c:\Program Files\zubfwqvz\hphz.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sqkcf.exe | N/A |
| N/A | N/A | \??\c:\Program Files\zubfwqvz\hphz.exe | N/A |
| N/A | N/A | \??\c:\Program Files\zubfwqvz\hphz.exe | N/A |
| N/A | N/A | \??\c:\Program Files\zubfwqvz\hphz.exe | N/A |
| N/A | N/A | \??\c:\Program Files\zubfwqvz\hphz.exe | N/A |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Run\VIEW = "c:\\Program Files\\zubfwqvz\\hphz.exe \"c:\\Program Files\\zubfwqvz\\hphzb.dll\",Viewer" | \??\c:\Program Files\zubfwqvz\hphz.exe | N/A |
Enumerates connected drives
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PHYSICALDRIVE0 | \??\c:\Program Files\zubfwqvz\hphz.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\Program Files\zubfwqvz | C:\Users\Admin\AppData\Local\Temp\sqkcf.exe | N/A |
| File created | \??\c:\Program Files\zubfwqvz\hphzb.dll | C:\Users\Admin\AppData\Local\Temp\sqkcf.exe | N/A |
| File created | \??\c:\Program Files\zubfwqvz\hphz.exe | C:\Users\Admin\AppData\Local\Temp\sqkcf.exe | N/A |
| File opened for modification | \??\c:\Program Files\zubfwqvz\hphz.exe | C:\Users\Admin\AppData\Local\Temp\sqkcf.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | \??\c:\Program Files\zubfwqvz\hphz.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | \??\c:\Program Files\zubfwqvz\hphz.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\Program Files\zubfwqvz\hphz.exe | N/A |
| N/A | N/A | \??\c:\Program Files\zubfwqvz\hphz.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | \??\c:\Program Files\zubfwqvz\hphz.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sqkcf.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe
"C:\Users\Admin\AppData\Local\Temp\2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\sqkcf.exe "C:\Users\Admin\AppData\Local\Temp\2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
C:\Users\Admin\AppData\Local\Temp\sqkcf.exe
C:\Users\Admin\AppData\Local\Temp\\sqkcf.exe "C:\Users\Admin\AppData\Local\Temp\2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe"
\??\c:\Program Files\zubfwqvz\hphz.exe
"c:\Program Files\zubfwqvz\hphz.exe" "c:\Program Files\zubfwqvz\hphzb.dll",Viewer C:\Users\Admin\AppData\Local\Temp\sqkcf.exe
Network
| Country | Destination | Domain | Proto |
| US | 98.126.40.20:803 | tcp | |
| US | 98.126.40.20:803 | tcp | |
| US | 98.126.40.18:3204 | tcp | |
| US | 98.126.40.19:805 | tcp | |
| US | 98.126.40.19:805 | tcp | |
| US | 98.126.40.19:805 | tcp | |
| US | 98.126.40.19:805 | tcp | |
| US | 98.126.40.18:3204 | tcp | |
| US | 98.126.40.18:3204 | tcp | |
| US | 98.126.40.18:3204 | tcp |
Files
\Users\Admin\AppData\Local\Temp\sqkcf.exe
| MD5 | a1eecb011f2048f1ee022ab616d53ebd |
| SHA1 | a2b831bbfdf4afdfef97599beee39b043d321daf |
| SHA256 | bd0ec41d7237d36cd5295f10b9ca2e4c2e6d75ffeb70b2b530be8f6d2417c3fe |
| SHA512 | c3b511ecb613d17c2e5b1889b82a5d758415e8c8445c389d8621faf9c38153cfe1c4fdd197e9a9284fa15e9e7cc61d194566b6e2ac4d97f31379e4b0ba6ca1ca |
\Program Files\zubfwqvz\hphz.exe
| MD5 | 51138beea3e2c21ec44d0932c71762a8 |
| SHA1 | 8939cf35447b22dd2c6e6f443446acc1bf986d58 |
| SHA256 | 5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124 |
| SHA512 | 794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d |
\??\c:\Program Files\zubfwqvz\hphzb.dll
| MD5 | 5d7d0668ea7ade88dcc7538bf84d960c |
| SHA1 | a73ede4faf72fd11ea782a9197d8f4ee45725920 |
| SHA256 | 7c2a704d71f83f868fb06da2eea807befc24b989340a093dc9216b05b5c5f781 |
| SHA512 | c6816fcaaa80427bd085e23e4e107c65e6c2dfe106c7cf890dbaca81c35040704f798d7329fea7868d6135a18c4f458aa15b8fc2c6e00ae8c22e72dd8bf2430c |
memory/2624-16-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2624-18-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2624-19-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2624-20-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2624-24-0x0000000010000000-0x0000000010033000-memory.dmp
memory/2624-28-0x0000000010000000-0x0000000010033000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 19:46
Reported
2024-04-07 19:50
Platform
win10v2004-20240226-en
Max time kernel
168s
Max time network
185s
Command Line
Signatures
Detects executables containing base64 encoded User Agent
| 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 |
UPX dump on OEP (original entry point)
| 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 |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fugks.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fugks.exe | N/A |
| N/A | N/A | \??\c:\Program Files\egqppsk\jqmkf.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\Program Files\egqppsk\jqmkf.exe | N/A |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VIEW = "c:\\Program Files\\egqppsk\\jqmkf.exe \"c:\\Program Files\\egqppsk\\jqmkf.dll\",Viewer" | \??\c:\Program Files\egqppsk\jqmkf.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\a: | \??\c:\Program Files\egqppsk\jqmkf.exe | N/A |
| File opened (read-only) | \??\b: | \??\c:\Program Files\egqppsk\jqmkf.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PHYSICALDRIVE0 | \??\c:\Program Files\egqppsk\jqmkf.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\Program Files\egqppsk | C:\Users\Admin\AppData\Local\Temp\fugks.exe | N/A |
| File created | \??\c:\Program Files\egqppsk\jqmkf.dll | C:\Users\Admin\AppData\Local\Temp\fugks.exe | N/A |
| File created | \??\c:\Program Files\egqppsk\jqmkf.exe | C:\Users\Admin\AppData\Local\Temp\fugks.exe | N/A |
| File opened for modification | \??\c:\Program Files\egqppsk\jqmkf.exe | C:\Users\Admin\AppData\Local\Temp\fugks.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | \??\c:\Program Files\egqppsk\jqmkf.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | \??\c:\Program Files\egqppsk\jqmkf.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\Program Files\egqppsk\jqmkf.exe | N/A |
| N/A | N/A | \??\c:\Program Files\egqppsk\jqmkf.exe | N/A |
| N/A | N/A | \??\c:\Program Files\egqppsk\jqmkf.exe | N/A |
| N/A | N/A | \??\c:\Program Files\egqppsk\jqmkf.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | \??\c:\Program Files\egqppsk\jqmkf.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fugks.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe
"C:\Users\Admin\AppData\Local\Temp\2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\fugks.exe "C:\Users\Admin\AppData\Local\Temp\2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
C:\Users\Admin\AppData\Local\Temp\fugks.exe
C:\Users\Admin\AppData\Local\Temp\\fugks.exe "C:\Users\Admin\AppData\Local\Temp\2dcf982415010a9a93dd8919326258daf5865ad248de1e13cff81e2b1a22aa55.exe"
\??\c:\Program Files\egqppsk\jqmkf.exe
"c:\Program Files\egqppsk\jqmkf.exe" "c:\Program Files\egqppsk\jqmkf.dll",Viewer C:\Users\Admin\AppData\Local\Temp\fugks.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 98.126.40.20:803 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 121.118.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 98.126.40.18:3204 | tcp | |
| US | 98.126.40.19:805 | tcp | |
| US | 98.126.40.19:805 | tcp | |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 98.126.40.19:805 | tcp | |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 98.126.40.18:3204 | tcp | |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 98.126.40.18:3204 | tcp | |
| US | 8.8.8.8:53 | 233.17.178.52.in-addr.arpa | udp |
| US | 98.126.40.18:3204 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\fugks.exe
| MD5 | acf3521569e180dccf575291e48f338c |
| SHA1 | 8ef47cb63b2635046dba240b88dbc4cd129b002e |
| SHA256 | bc2c83ea853cce6b4c6bbeb4007d6e8511e83a1d4a97fbe65b2a518a8cfff237 |
| SHA512 | 5dc0d7c46d9ee0def3ff733f64fd4115128cefc776a706cad420aec80b67125b40af20156289c495921d47a7f39a092f25e1ceaf270cb18afe57017f47d1d7bc |
C:\Program Files\egqppsk\jqmkf.exe
| MD5 | 889b99c52a60dd49227c5e485a016679 |
| SHA1 | 8fa889e456aa646a4d0a4349977430ce5fa5e2d7 |
| SHA256 | 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910 |
| SHA512 | 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641 |
\??\c:\Program Files\egqppsk\jqmkf.dll
| MD5 | 9340b36d1cc013fdd5598b5adf282b04 |
| SHA1 | 53f844b0dfcf000831b965b94b06df7a4a6cc44c |
| SHA256 | 58416477e50964a6ade66fd2e9ea320e6ecc7b809874f90a95c41d804ea70a77 |
| SHA512 | 2b733dad418338d32d0fc745d986883c21265f7f42b152df561540db594b6ccbe6238719699494dc3cf295e663ab10cee2576fa1e15d33610d41aec6970d20df |
memory/4400-11-0x0000000010000000-0x0000000010033000-memory.dmp
memory/4400-12-0x0000000010000000-0x0000000010033000-memory.dmp
memory/4400-21-0x0000000010000000-0x0000000010033000-memory.dmp