| File name: | IMM.EXE |
| Full analysis: | https://app.any.run/tasks/c1e225fd-f38b-49b2-94ad-e3b822eb88b7 |
| Verdict: | Malicious activity |
| Threats: | njRAT is a remote access trojan. It is one of the most widely accessible RATs on the market that features an abundance of educational information. Interested attackers can even find tutorials on YouTube. This allows it to become one of the most popular RATs in the world. |
| Analysis date: | February 22, 2019, 10:25:13 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 0C501C81117BD124E7AC1111C7F0FA68 |
| SHA1: | AAD109D4C22DA7C3FBC0291A8B92D1CFDC175E6B |
| SHA256: | 27A3FC452725BE3BBF5E82F96228B16BEDD8747BBF5638C8277E7C76F07C857C |
| SSDEEP: | 12288:L8VlNs9FumYoR+gEunUVkfzAka8dYpmBKPrmv4JYN6:Q7NgvYHgEaUVkbddYcB0mv2 |
MALICIOUS
Writes to a start menu file
- IMM.EXE (PID: 3168)
NJRAT was detected
- RegAsm.exe (PID: 2440)
Connects to CnC server
- RegAsm.exe (PID: 2440)
Application was dropped or rewritten from another process
- PCHunter32.exe (PID: 3616)
- PCHunter32.exe (PID: 2568)
SUSPICIOUS
Executable content was dropped or overwritten
- IMM.EXE (PID: 3168)
- WinRAR.exe (PID: 2312)
- PCHunter32.exe (PID: 3616)
Creates files in the user directory
- IMM.EXE (PID: 3168)
Connects to unusual port
- RegAsm.exe (PID: 2440)
Creates or modifies windows services
- PCHunter32.exe (PID: 3616)
Low-level read access rights to disk partition
- PCHunter32.exe (PID: 3616)
INFO
Reads Internet Cache Settings
- iexplore.exe (PID: 1360)
- iexplore.exe (PID: 3284)
Application launched itself
- iexplore.exe (PID: 3284)
Reads settings of System Certificates
- iexplore.exe (PID: 3284)
- RegAsm.exe (PID: 2440)
Changes internet zones settings
- iexplore.exe (PID: 3284)
Reads internet explorer settings
- iexplore.exe (PID: 1360)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (81) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (7.2) |
| .exe | | | Win32 Executable (generic) (4.9) |
| .exe | | | Win16/32 Executable Delphi generic (2.2) |
| .exe | | | Generic Win/DOS Executable (2.2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:02:21 05:29:49+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 508416 |
| InitializedDataSize: | 70656 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x7e1ce |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 19.0.0.1088 |
| ProductVersionNumber: | 19.0.0.1088 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| CompanyName: | Kaspersky Lab |
| FileDescription: | Kaspersky Anti-Virus [19.0.0.1088.0.4781.0 (a.b.c)] |
| FileVersion: | 19.0.0.1088 |
| LegalCopyright: | © 2018 AO Kaspersky Lab. All Rights Reserved. |
| LegalTrademarks: | Registered trademarks and service marks are the property of their respective owners |
| ProductName: | Kaspersky Anti-Virus |
| ProductVersion: | 19.0.0.1088 |
| InternalName: | Setup |
| OriginalFileName: | Setup.exe |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 21-Feb-2019 04:29:49 |
| Detected languages: |
|
| Debug artifacts: |
|
| CompanyName: | Kaspersky Lab |
| FileDescription: | Kaspersky Anti-Virus [19.0.0.1088.0.4781.0 (a.b.c)] |
| FileVersion: | 19.0.0.1088 |
| LegalCopyright: | © 2018 AO Kaspersky Lab. All Rights Reserved. |
| LegalTrademarks: | Registered trademarks and service marks are the property of their respective owners |
| ProductName: | Kaspersky Anti-Virus |
| ProductVersion: | 19.0.0.1088 |
| InternalName: | Setup |
| OriginalFilename: | Setup.exe |
DOS Header
| 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: | 0x00000080 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 4 |
| Time date stamp: | 21-Feb-2019 04:29:49 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00002000 | 0x0007C1D4 | 0x0007C200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.95377 |
.sdata | 0x00080000 | 0x000001E8 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 6.60358 |
.rsrc | 0x00082000 | 0x00010F76 | 0x00011000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.80847 |
.reloc | 0x00094000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
0 | 1.91924 | 20 | Latin 1 / Western European | English - United States | RT_GROUP_ICON |
1 | 5.00112 | 490 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
46
Monitored processes
7
Malicious processes
3
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1360 | "C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:3284 CREDAT:71937 | C:\Program Files\Internet Explorer\iexplore.exe | iexplore.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Internet Explorer Exit code: 0 Version: 8.00.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2312 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\OCDM6JB6\PCHunter_free[1].zip" | C:\Program Files\WinRAR\WinRAR.exe | iexplore.exe | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 0 Version: 5.60.0 Modules
| |||||||||||||||
| 2440 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | IMM.EXE | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Assembly Registration Utility Exit code: 0 Version: 4.6.1055.0 built by: NETFXREL2 Modules
| |||||||||||||||
| 2568 | "C:\Users\admin\AppData\Local\Temp\Rar$EXa2312.17323\PCHunter_free\PCHunter32.exe" | C:\Users\admin\AppData\Local\Temp\Rar$EXa2312.17323\PCHunter_free\PCHunter32.exe | — | WinRAR.exe | |||||||||||
User: admin Company: 一普明为（北京）信息技术有限公司 Integrity Level: MEDIUM Description: Epoolsoft Windows Information View Tools Exit code: 3221226540 Version: 1.0.0.5 Modules
| |||||||||||||||
| 3168 | "C:\Users\admin\Desktop\IMM.EXE" | C:\Users\admin\Desktop\IMM.EXE | explorer.exe | ||||||||||||
User: admin Company: Kaspersky Lab Integrity Level: MEDIUM Description: Kaspersky Anti-Virus [19.0.0.1088.0.4781.0 (a.b.c)] Exit code: 0 Version: 19.0.0.1088 Modules
| |||||||||||||||
| 3284 | "C:\Program Files\Internet Explorer\iexplore.exe" | C:\Program Files\Internet Explorer\iexplore.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Internet Explorer Exit code: 1 Version: 8.00.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3616 | "C:\Users\admin\AppData\Local\Temp\Rar$EXa2312.17323\PCHunter_free\PCHunter32.exe" | C:\Users\admin\AppData\Local\Temp\Rar$EXa2312.17323\PCHunter_free\PCHunter32.exe | WinRAR.exe | ||||||||||||
User: admin Company: 一普明为（北京）信息技术有限公司 Integrity Level: HIGH Description: Epoolsoft Windows Information View Tools Exit code: 20 Version: 1.0.0.5 Modules
| |||||||||||||||
Total events
1 337
Read events
1 188
Write events
143
Delete events
6
Modification events
| (PID) Process: | (2440) RegAsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (2440) RegAsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (2440) RegAsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2440) RegAsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2440) RegAsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (2440) RegAsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (2440) RegAsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (2440) RegAsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (2440) RegAsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASMANCS |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2440) RegAsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASMANCS |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
Executable files
4
Suspicious files
2
Text files
7
Unknown types
2
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3284 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\R9ZEWH8D\favicon[1].ico | — | |
MD5:— | SHA256:— | |||
| 3284 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico | — | |
MD5:— | SHA256:— | |||
| 3284 | iexplore.exe | C:\Users\admin\AppData\Local\Temp\~DF0B543FED8213D789.TMP | — | |
MD5:— | SHA256:— | |||
| 3284 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Last Active\RecoveryStore.{4BBB6F4B-AC5C-11E8-969E-5254004AAD11}.dat | — | |
MD5:— | SHA256:— | |||
| 3284 | iexplore.exe | C:\Users\admin\AppData\Local\Temp\~DFBFB51452F3E60E19.TMP | — | |
MD5:— | SHA256:— | |||
| 3284 | iexplore.exe | C:\Users\admin\AppData\Local\Temp\~DF2ACC0397EBEE6DC7.TMP | — | |
MD5:— | SHA256:— | |||
| 3284 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\RecoveryStore.{3962B5C7-368C-11E9-BEEC-5254004A04AF}.dat | — | |
MD5:— | SHA256:— | |||
| 3168 | IMM.EXE | C:\Users\admin\AppData\Roaming\iso.exe | executable | |
MD5:— | SHA256:— | |||
| 3284 | iexplore.exe | C:\Users\admin\AppData\Local\Temp\StructuredQuery.log | text | |
MD5:— | SHA256:— | |||
| 3284 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\{3962B5C8-368C-11E9-BEEC-5254004A04AF}.dat | binary | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
5
DNS requests
4
Threats
4
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3616 | PCHunter32.exe | GET | — | 120.133.5.200:80 | http://www.epoolsoft.com/PCHunter_StandardV1.56=F3EB3CFF9B0EA3C6968CBC366078345D9FBD918D447169B141FB79AE219533EA5EC0F2ED65DD36F9F934577FBABBD566 | CN | — | — | malicious |
1360 | iexplore.exe | GET | — | 69.163.162.37:80 | http://www.xuetr.com/download/PCHunter_free.zip | US | — | — | unknown |
3284 | iexplore.exe | GET | 200 | 204.79.197.200:80 | http://www.bing.com/favicon.ico | US | image | 237 b | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2440 | RegAsm.exe | 194.5.98.145:1720 | — | — | FR | malicious |
2440 | RegAsm.exe | 104.20.208.21:443 | pastebin.com | Cloudflare Inc | US | shared |
3284 | iexplore.exe | 204.79.197.200:80 | www.bing.com | Microsoft Corporation | US | whitelisted |
3616 | PCHunter32.exe | 120.133.5.200:80 | www.epoolsoft.com | CHINA UNICOM China169 Backbone | CN | malicious |
1360 | iexplore.exe | 69.163.162.37:80 | www.xuetr.com | New Dream Network, LLC | US | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
pastebin.com |
| malicious |
www.bing.com |
| whitelisted |
www.xuetr.com |
| unknown |
www.epoolsoft.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2440 | RegAsm.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT/Bladabindi (Lime-RAT) |
3 ETPRO signatures available at the full report