Analysis Overview
SHA256
acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894ac
Threat Level: Known bad
The file TERMENII CONTRACTULUI-pdf.bat.exe was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Guloader family
Loads dropped DLL
Suspicious use of SetThreadContext
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of NtCreateThreadExHideFromDebugger
Enumerates physical storage devices
Program crash
Unsigned PE
System Location Discovery: System Language Discovery
NSIS installer
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-06 15:29
Signatures
Unsigned PE
| 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 |
NSIS installer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-06 15:29
Reported
2024-11-06 15:31
Platform
win7-20240903-en
Max time kernel
117s
Max time network
117s
Command Line
Signatures
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2256 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2256 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2256 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2256 wrote to memory of 2860 | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe
"C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2256 -s 528
Network
Files
\Users\Admin\AppData\Local\Temp\nso7F3F.tmp\System.dll
| MD5 | 4ca4fd3fbefa2f6e87e6e9ee87d1c0b3 |
| SHA1 | 7cdbeb5ff2b14b86af04e075d0ca651183ea5df4 |
| SHA256 | d09a8b3ade4ba4b7292c0b3da1bcb4b6c6e2012e0ccfd5e029a54af73a9e1b57 |
| SHA512 | cf0f415a97fdc74568297fed4f1295d0d2aef487a308141144ef8d5f04c669ef4795c273e745b81065429adde113fcdedf4c22717a7aeef60fdcd8d4d46f97f8 |
\Users\Admin\AppData\Local\Temp\nso7F3F.tmp\LangDLL.dll
| MD5 | 61f69388ae89d61a3d838cbcf81b4f82 |
| SHA1 | e595c0236a373a6ac79c334dc183ee03ca8f8ecd |
| SHA256 | d65875bb4bc121f81384d55fde90dd9eb9ad1878cd8a02bcb5c8a933c3987a61 |
| SHA512 | 21d34738cc21c1ef6b0ef1ac53659cdab224bbc20ea983f9a952a2cb4b5785a07bb18c0acf22a0d12a94795e1fc6d314f442c923bb1a93b675edac8c6aacf469 |
memory/2256-35-0x0000000004100000-0x00000000068D5000-memory.dmp
memory/2256-36-0x0000000004100000-0x00000000068D5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-06 15:29
Reported
2024-11-06 15:31
Platform
win10v2004-20241007-en
Max time kernel
96s
Max time network
149s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4076 set thread context of 932 | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4076 wrote to memory of 932 | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe |
| PID 4076 wrote to memory of 932 | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe |
| PID 4076 wrote to memory of 932 | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe |
| PID 4076 wrote to memory of 932 | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe |
| PID 4076 wrote to memory of 932 | N/A | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe | C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe
"C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe"
C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe
"C:\Users\Admin\AppData\Local\Temp\TERMENII CONTRACTULUI-pdf.bat.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | iw.achulapo.ru.com | udp |
| DE | 100.42.180.70:80 | iw.achulapo.ru.com | tcp |
| US | 8.8.8.8:53 | 70.180.42.100.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsj9D0C.tmp\System.dll
| MD5 | 4ca4fd3fbefa2f6e87e6e9ee87d1c0b3 |
| SHA1 | 7cdbeb5ff2b14b86af04e075d0ca651183ea5df4 |
| SHA256 | d09a8b3ade4ba4b7292c0b3da1bcb4b6c6e2012e0ccfd5e029a54af73a9e1b57 |
| SHA512 | cf0f415a97fdc74568297fed4f1295d0d2aef487a308141144ef8d5f04c669ef4795c273e745b81065429adde113fcdedf4c22717a7aeef60fdcd8d4d46f97f8 |
C:\Users\Admin\AppData\Local\Temp\nsj9D0C.tmp\LangDLL.dll
| MD5 | 61f69388ae89d61a3d838cbcf81b4f82 |
| SHA1 | e595c0236a373a6ac79c334dc183ee03ca8f8ecd |
| SHA256 | d65875bb4bc121f81384d55fde90dd9eb9ad1878cd8a02bcb5c8a933c3987a61 |
| SHA512 | 21d34738cc21c1ef6b0ef1ac53659cdab224bbc20ea983f9a952a2cb4b5785a07bb18c0acf22a0d12a94795e1fc6d314f442c923bb1a93b675edac8c6aacf469 |
memory/4076-29-0x0000000004A40000-0x0000000007215000-memory.dmp
memory/4076-30-0x0000000004A40000-0x0000000007215000-memory.dmp
memory/4076-31-0x00000000770B1000-0x00000000771D1000-memory.dmp
memory/4076-32-0x0000000073F14000-0x0000000073F15000-memory.dmp
memory/4076-34-0x0000000004A40000-0x0000000007215000-memory.dmp
memory/932-33-0x0000000000400000-0x0000000001654000-memory.dmp
memory/932-35-0x0000000001660000-0x0000000003E35000-memory.dmp
memory/932-36-0x0000000000400000-0x0000000001654000-memory.dmp
memory/932-37-0x0000000000400000-0x0000000001654000-memory.dmp
memory/932-38-0x0000000001660000-0x0000000003E35000-memory.dmp
memory/932-39-0x0000000000400000-0x0000000001654000-memory.dmp
memory/932-40-0x0000000000400000-0x0000000001654000-memory.dmp
memory/932-43-0x0000000000400000-0x0000000001654000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-11-06 15:29
Reported
2024-11-06 15:31
Platform
win7-20241010-en
Max time kernel
14s
Max time network
19s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 224
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-06 15:29
Reported
2024-11-06 15:31
Platform
win10v2004-20241007-en
Max time kernel
94s
Max time network
138s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3788 wrote to memory of 4680 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3788 wrote to memory of 4680 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3788 wrote to memory of 4680 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4680 -ip 4680
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 600
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral5
Detonation Overview
Submitted
2024-11-06 15:29
Reported
2024-11-06 15:31
Platform
win7-20241010-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 220
Network
Files
Analysis: behavioral6
Detonation Overview
Submitted
2024-11-06 15:29
Reported
2024-11-06 15:31
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3952 wrote to memory of 1888 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3952 wrote to memory of 1888 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3952 wrote to memory of 1888 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1888 -ip 1888
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1888 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 131.72.42.20.in-addr.arpa | udp |