Analysis Overview
SHA256
acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894ac
Threat Level: Known bad
The file acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN was found to be: Known bad.
Malicious Activity Summary
Guloader family
Guloader,Cloudeye
Loads dropped DLL
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Program crash
Unsigned PE
NSIS installer
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-10 02:01
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: behavioral3
Detonation Overview
Submitted
2024-11-10 02:01
Reported
2024-11-10 02:03
Platform
win7-20240903-en
Max time kernel
63s
Max time network
16s
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 1856 -s 220
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-11-10 02:01
Reported
2024-11-10 02:03
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
94s
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 2756 wrote to memory of 2452 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2756 wrote to memory of 2452 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2756 wrote to memory of 2452 | 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 444 -p 2452 -ip 2452
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 600
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral5
Detonation Overview
Submitted
2024-11-10 02:01
Reported
2024-11-10 02:03
Platform
win7-20240903-en
Max time kernel
15s
Max time network
16s
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 2912 -s 220
Network
Files
Analysis: behavioral6
Detonation Overview
Submitted
2024-11-10 02:01
Reported
2024-11-10 02:03
Platform
win10v2004-20241007-en
Max time kernel
94s
Max time network
95s
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 3564 wrote to memory of 448 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3564 wrote to memory of 448 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3564 wrote to memory of 448 | 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 416 -p 448 -ip 448
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 448 -s 612
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-10 02:01
Reported
2024-11-10 02:03
Platform
win7-20240903-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Loads dropped DLL
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\acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN.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\acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2072 wrote to memory of 2660 | N/A | C:\Users\Admin\AppData\Local\Temp\acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2072 wrote to memory of 2660 | N/A | C:\Users\Admin\AppData\Local\Temp\acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2072 wrote to memory of 2660 | N/A | C:\Users\Admin\AppData\Local\Temp\acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2072 wrote to memory of 2660 | N/A | C:\Users\Admin\AppData\Local\Temp\acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN.exe
"C:\Users\Admin\AppData\Local\Temp\acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 524
Network
Files
C:\Users\Admin\AppData\Local\Temp\nstDFF4.tmp\System.dll
| MD5 | 4ca4fd3fbefa2f6e87e6e9ee87d1c0b3 |
| SHA1 | 7cdbeb5ff2b14b86af04e075d0ca651183ea5df4 |
| SHA256 | d09a8b3ade4ba4b7292c0b3da1bcb4b6c6e2012e0ccfd5e029a54af73a9e1b57 |
| SHA512 | cf0f415a97fdc74568297fed4f1295d0d2aef487a308141144ef8d5f04c669ef4795c273e745b81065429adde113fcdedf4c22717a7aeef60fdcd8d4d46f97f8 |
\Users\Admin\AppData\Local\Temp\nstDFF4.tmp\LangDLL.dll
| MD5 | 61f69388ae89d61a3d838cbcf81b4f82 |
| SHA1 | e595c0236a373a6ac79c334dc183ee03ca8f8ecd |
| SHA256 | d65875bb4bc121f81384d55fde90dd9eb9ad1878cd8a02bcb5c8a933c3987a61 |
| SHA512 | 21d34738cc21c1ef6b0ef1ac53659cdab224bbc20ea983f9a952a2cb4b5785a07bb18c0acf22a0d12a94795e1fc6d314f442c923bb1a93b675edac8c6aacf469 |
memory/2072-35-0x0000000004060000-0x0000000006835000-memory.dmp
memory/2072-36-0x0000000004060000-0x0000000006835000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-10 02:01
Reported
2024-11-10 02:03
Platform
win10v2004-20241007-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
Guloader family
Guloader,Cloudeye
Loads dropped DLL
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2684 set thread context of 2580 | N/A | C:\Users\Admin\AppData\Local\Temp\acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN.exe | C:\Users\Admin\AppData\Local\Temp\acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN.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\acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN.exe
"C:\Users\Admin\AppData\Local\Temp\acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN.exe"
C:\Users\Admin\AppData\Local\Temp\acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN.exe
"C:\Users\Admin\AppData\Local\Temp\acdda22ea40a289e3a1ff725de7a933415bf6c143dc60cdb296fe17d36d894acN.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | iw.achulapo.ru.com | udp |
| US | 8.8.8.8:53 | iw.achulapo.ru.com | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | iw.achulapo.ru.com | udp |
| US | 8.8.8.8:53 | iw.achulapo.ru.com | udp |
| US | 8.8.8.8:53 | iw.achulapo.ru.com | udp |
| US | 8.8.8.8:53 | iw.achulapo.ru.com | udp |
| US | 8.8.8.8:53 | iw.achulapo.ru.com | udp |
| US | 8.8.8.8:53 | iw.achulapo.ru.com | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | iw.achulapo.ru.com | udp |
| US | 8.8.8.8:53 | iw.achulapo.ru.com | udp |
| US | 8.8.8.8:53 | iw.achulapo.ru.com | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nswA365.tmp\System.dll
| MD5 | 4ca4fd3fbefa2f6e87e6e9ee87d1c0b3 |
| SHA1 | 7cdbeb5ff2b14b86af04e075d0ca651183ea5df4 |
| SHA256 | d09a8b3ade4ba4b7292c0b3da1bcb4b6c6e2012e0ccfd5e029a54af73a9e1b57 |
| SHA512 | cf0f415a97fdc74568297fed4f1295d0d2aef487a308141144ef8d5f04c669ef4795c273e745b81065429adde113fcdedf4c22717a7aeef60fdcd8d4d46f97f8 |
C:\Users\Admin\AppData\Local\Temp\nswA365.tmp\LangDLL.dll
| MD5 | 61f69388ae89d61a3d838cbcf81b4f82 |
| SHA1 | e595c0236a373a6ac79c334dc183ee03ca8f8ecd |
| SHA256 | d65875bb4bc121f81384d55fde90dd9eb9ad1878cd8a02bcb5c8a933c3987a61 |
| SHA512 | 21d34738cc21c1ef6b0ef1ac53659cdab224bbc20ea983f9a952a2cb4b5785a07bb18c0acf22a0d12a94795e1fc6d314f442c923bb1a93b675edac8c6aacf469 |
memory/2684-29-0x0000000005240000-0x0000000007A15000-memory.dmp
memory/2684-30-0x0000000005240000-0x0000000007A15000-memory.dmp
memory/2684-31-0x0000000077461000-0x0000000077581000-memory.dmp
memory/2684-33-0x00000000742C4000-0x00000000742C5000-memory.dmp
memory/2684-32-0x0000000077461000-0x0000000077581000-memory.dmp
memory/2580-34-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2684-35-0x0000000005240000-0x0000000007A15000-memory.dmp
memory/2580-36-0x0000000001660000-0x0000000003E35000-memory.dmp
memory/2580-37-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2580-38-0x0000000001660000-0x0000000003E35000-memory.dmp