| File name: | necurs.exe |
| Full analysis: | https://app.any.run/tasks/53dd31d2-1d55-4a3e-ad67-af388b7943c1 |
| Verdict: | Malicious activity |
| Threats: | Trojans are a group of malicious programs distinguished by their ability to masquerade as benign software. Depending on their type, trojans possess a variety of capabilities, ranging from maintaining full remote control over the victim’s machine to stealing data and files, as well as dropping other malware. At the same time, the main functionality of each trojan family can differ significantly depending on its type. The most common trojan infection chain starts with a phishing email. |
| Analysis date: | April 17, 2018, 07:36:32 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | FE929245EE022E3410B22456BE10C4F1 |
| SHA1: | A80C0616ADFFCBC0064BF1BA8C3746AC5A7D3570 |
| SHA256: | 42D15597C83EE42EC736B80CBB9C667D5538A4B14FAA1BFF2E4DB981AB980097 |
| SSDEEP: | 3072:CZaKqdkLZnw9AyAPzSbaiw34o1lsxttVzLdnmm:CZa3dkNw9ApbtnDlc |
| .exe | | | Win32 Executable MS Visual C++ (generic) (42.2) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (37.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (8.8) |
| .exe | | | Win32 Executable (generic) (6) |
| .exe | | | Generic Win/DOS Executable (2.7) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2016:02:03 07:41:55+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 9 |
| CodeSize: | 68096 |
| InitializedDataSize: | 52224 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x619d |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 5.0.5.0 |
| ProductVersionNumber: | 5.0.6.0 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Windows, Latin1 |
| CompanyName: | Info-ZIP |
| FileDescription: | Info-2Ij 2ij for 1inme 2qnjole |
| FileVersion: | 5.2 |
| InternalName: | !2z |
| LegalCopyright: | Copyright © Info-ZIP 1997 - 2008 |
| OriginalFileName: | m1c2.dll |
| ProductName: | Zip |
| ProductVersion: | 5.5 |
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 03-Feb-2016 06:41:55 |
| Detected languages: |
|
| CompanyName: | Info-ZIP |
| FileDescription: | Info-2Ij 2ij for 1inme 2qnjole |
| FileVersion: | 5.2 |
| InternalName: | !2z |
| LegalCopyright: | Copyright © Info-ZIP 1997 - 2008 |
| OriginalFilename: | m1c2.dll |
| ProductName: | Zip |
| ProductVersion: | 5.5 |
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0090 |
| Pages in file: | 0x0003 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x0000 |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x0000 |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x000000E0 |
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 03-Feb-2016 06:41:55 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00001000 | 0x00010860 | 0x00010A00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.8618 |
.rdata | 0x00012000 | 0x000049E4 | 0x00004A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 7.01806 |
.data | 0x00017000 | 0x00001F54 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 6.9823 |
.rsrc | 0x00019000 | 0x00003868 | 0x00003A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.28961 |
.reloc | 0x0001D000 | 0x000026F2 | 0x00002800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.118 |
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.36052 | 704 | UNKNOWN | English - United States | RT_VERSION |
2 | 3.87097 | 9640 | UNKNOWN | English - United States | RT_ICON |
IDI_ICON4 | 2.29162 | 34 | UNKNOWN | English - United States | RT_GROUP_ICON |
ADVAPI32.dll |
COMCTL32.dll |
GDI32.dll |
KERNEL32.dll |
SHELL32.dll |
USER32.dll |
VERSION.dll |
msvcrt.dll |
ole32.dll |
oledlg.dll |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 748 | cmd.exe /C del /Q /F "C:\Users\admin\AppData\Local\Temp\f41836b8.tmp" | C:\Windows\system32\cmd.exe | necurs.exe | ||||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1660 | "C:\Windows\system32\netsh.exe" advfirewall firewall set rule name="Core Networking - System IP Core" dir=out new action=allow enable=yes profile=any | C:\Windows\system32\netsh.exe | — | syshost.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Network Command Shell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2056 | "C:\Windows\system32\netsh.exe" advfirewall firewall add rule name="Core Networking - System IP Core" dir=in action=allow enable=yes profile=any | C:\Windows\system32\netsh.exe | — | syshost.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2384 | "C:\Users\admin\AppData\Local\Temp\necurs.exe" | C:\Users\admin\AppData\Local\Temp\necurs.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2440 | "C:\Windows\system32\netsh.exe" advfirewall firewall set rule name="Core Networking - System IP Core" dir=in new action=allow enable=yes profile=any | C:\Windows\system32\netsh.exe | — | syshost.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Network Command Shell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2684 | "C:\Windows\Installer\{085B993F-AE25-B0B6-F131-FB4BD0FEA356}\syshost.exe" /service | C:\Windows\Installer\{085B993F-AE25-B0B6-F131-FB4BD0FEA356}\syshost.exe | — | services.exe | |||||||||||
User: SYSTEM Company: Info-ZIP Integrity Level: SYSTEM Description: Info-2Ij 2ij for 1inme 2qnjole Exit code: 0 Version: 5.2 Modules
| |||||||||||||||
| 3384 | "C:\Windows\system32\netsh.exe" advfirewall firewall add rule name="Core Networking - System IP Core" dir=out action=allow enable=yes profile=any | C:\Windows\system32\netsh.exe | — | syshost.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| (PID) Process: | (2384) necurs.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager |
| Operation: | write | Name: | PendingFileRenameOperations |
Value: \??\C:\Users\admin\AppData\Local\Temp\f41836b8.tmp | |||
| (PID) Process: | (2684) syshost.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\syshost32 |
| Operation: | write | Name: | ce211ab95004cc21 |
Value: B18C72572E3F | |||
| (PID) Process: | (2684) syshost.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\syshost32 |
| Operation: | write | Name: | 446c07f2202edda8 |
Value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| |||
| (PID) Process: | (2684) syshost.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\syshost32 |
| Operation: | write | Name: | dd98bf0628848602 |
Value: 19CA7794422EE28EA2F4CC04 | |||
| (PID) Process: | (2684) syshost.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\syshost32 |
| Operation: | write | Name: | 3b1c8732756d6ab5 |
Value: 01432D7613ECA720CEF3A52D | |||
| (PID) Process: | (2684) syshost.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\syshost32 |
| Operation: | write | Name: | 133f2c218f92b391 |
Value: 75A4615716387E2F | |||
| (PID) Process: | (2440) netsh.exe | Key: | HKEY_USERS\.DEFAULT\Software\Classes\Local Settings\MuiCache\91\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2684) syshost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\syshost_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (2684) syshost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\syshost_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (2684) syshost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\syshost_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2384 | necurs.exe | C:\Users\admin\AppData\Local\Temp\f41836b8.tmp | — | |
MD5:— | SHA256:— | |||
| 2684 | syshost.exe | C:\Windows\TEMP\b6205b5f-4d5a-fc60-72aa-989e74800151.tmp | binary | |
MD5:— | SHA256:— | |||
| 2384 | necurs.exe | C:\Windows\Installer\{085B993F-AE25-B0B6-F131-FB4BD0FEA356}\syshost.exe | executable | |
MD5:— | SHA256:— | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | POST | 200 | 195.157.15.100:80 | http://195.157.15.100/forum/db.php | GB | — | — | suspicious |
— | — | POST | 200 | 195.157.15.100:80 | http://195.157.15.100/forum/db.php | GB | — | — | suspicious |
— | — | POST | 200 | 195.157.15.100:80 | http://195.157.15.100/forum/db.php | GB | — | — | suspicious |
— | — | POST | 200 | 195.157.15.100:80 | http://195.157.15.100/forum/db.php | GB | — | — | suspicious |
— | — | POST | 200 | 195.157.15.100:80 | http://195.157.15.100/forum/db.php | GB | — | — | suspicious |
— | — | POST | 200 | 195.157.15.100:80 | http://195.157.15.100/forum/db.php | GB | — | — | suspicious |
— | — | POST | 200 | 195.157.15.100:80 | http://195.157.15.100/forum/db.php | GB | — | — | suspicious |
— | — | POST | 200 | 195.157.15.100:80 | http://195.157.15.100/forum/db.php | GB | — | — | suspicious |
— | — | POST | 200 | 195.157.15.100:80 | http://195.157.15.100/forum/db.php | GB | — | — | suspicious |
— | — | POST | 200 | 195.157.15.100:80 | http://195.157.15.100/forum/db.php | GB | — | — | suspicious |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 185.60.216.35:80 | facebook.com | Facebook, Inc. | IE | whitelisted |
— | — | 212.18.3.18:123 | 1.pool.ntp.org | M-net Telekommunikations GmbH | DE | unknown |
— | — | 89.239.193.125:123 | 0.pool.ntp.org | FIBIA P/S | DK | unknown |
— | — | 195.157.15.100:80 | — | Claranet Ltd | GB | suspicious |
— | — | 5.9.131.170:123 | 2.pool.ntp.org | Hetzner Online GmbH | DE | unknown |
— | — | 172.217.23.142:80 | — | Google Inc. | US | whitelisted |
— | — | 186.94.213.13:28958 | — | CANTV Servicios, Venezuela | VE | unknown |
— | — | 85.87.83.143:16736 | — | Euskaltel S.A. | ES | unknown |
— | — | 212.128.193.152:7566 | — | Entidad Publica Empresarial Red.es | ES | unknown |
— | — | 84.205.13.189:29247 | — | Gawex Media Sp. z o. o. | PL | unknown |
Domain | IP | Reputation |
|---|---|---|
facebook.com |
| whitelisted |
qxxedgxulbglt.com |
| unknown |
gsdfatsnlhrnk.com |
| unknown |
jvsavauhqcb.com |
| unknown |
yuktdulqhtpex.com |
| unknown |
0.pool.ntp.org |
| whitelisted |
1.pool.ntp.org |
| whitelisted |
2.pool.ntp.org |
| whitelisted |
npkxghmoru.biz |
| unknown |
PID | Process | Class | Message |
|---|---|---|---|
— | — | A Network Trojan was detected | ET TROJAN Win32/Necurs Common POST Header Structure |
— | — | A Network Trojan was detected | ET TROJAN Possible Compromised Host Sinkhole Cookie Value Snkz |
— | — | A Network Trojan was detected | ET TROJAN Win32/Necurs Common POST Header Structure |
— | — | A Network Trojan was detected | ET TROJAN Possible Compromised Host Sinkhole Cookie Value Snkz |
— | — | A Network Trojan was detected | ET TROJAN Win32/Necurs Common POST Header Structure |
— | — | A Network Trojan was detected | ET TROJAN Possible Compromised Host Sinkhole Cookie Value Snkz |
— | — | A Network Trojan was detected | ET TROJAN Win32/Necurs Common POST Header Structure |
— | — | A Network Trojan was detected | ET TROJAN Possible Compromised Host Sinkhole Cookie Value Snkz |
— | — | A Network Trojan was detected | ET TROJAN Win32/Necurs Common POST Header Structure |
— | — | A Network Trojan was detected | ET TROJAN Possible Compromised Host Sinkhole Cookie Value Snkz |