File name: | gameservers.exe |
Full analysis: | https://app.any.run/tasks/31f627ee-7cc7-464f-90ea-983e60f9f3f4 |
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: | January 24, 2022, 20:42:34 |
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: | C5879B0E11C48DFBE4318E886AF8CED9 |
SHA1: | 34A5DF3F6BCCF6296750869852F1D7FEB1BE30DB |
SHA256: | 9ACE6F918C300E2D5465534C26F265C181919B4844AB58691BD9E615479AC651 |
SSDEEP: | 1536:kGnJD/HBZbszKu9AZpd7r1jEwzGi1dDKDSgS:kGmzK4AZ3HCi1d83 |
.exe | | | Generic CIL Executable (.NET, Mono, etc.) (56.7) |
---|---|---|
.exe | | | Win64 Executable (generic) (21.3) |
.scr | | | Windows screen saver (10.1) |
.dll | | | Win32 Dynamic Link Library (generic) (5) |
.exe | | | Win32 Executable (generic) (3.4) |
Subsystem: | Windows GUI |
---|---|
SubsystemVersion: | 4 |
ImageVersion: | - |
OSVersion: | 4 |
EntryPoint: | 0x18f1e |
UninitializedDataSize: | - |
InitializedDataSize: | 512 |
CodeSize: | 94208 |
LinkerVersion: | 8 |
PEType: | PE32 |
TimeStamp: | 2022:01:24 21:32:17+01:00 |
MachineType: | Intel 386 or later, and compatibles |
Architecture: | IMAGE_FILE_MACHINE_I386 |
---|---|
Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
Compilation Date: | 24-Jan-2022 20:32:17 |
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 |
Signature: | PE |
---|---|
Machine: | IMAGE_FILE_MACHINE_I386 |
Number of sections: | 2 |
Time date stamp: | 24-Jan-2022 20:32:17 |
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 | 0x00002000 | 0x00016F24 | 0x00017000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.5957 |
.reloc | 0x0001A000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
mscoree.dll |
PID | CMD | Path | Indicators | Parent process |
---|---|---|---|---|
2160 | "C:\Users\admin\AppData\Local\Temp\gameservers.exe" | C:\Users\admin\AppData\Local\Temp\gameservers.exe | Explorer.EXE | |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
3804 | "C:\Users\admin\AppData\Local\Temp\server.exe" | C:\Users\admin\AppData\Local\Temp\server.exe | gameservers.exe | |
User: admin Integrity Level: MEDIUM | ||||
4032 | netsh firewall add allowedprogram "C:\Users\admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE | C:\Windows\system32\netsh.exe | — | server.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
2596 | netsh firewall delete allowedprogram "C:\Users\admin\AppData\Local\Temp\server.exe" | C:\Windows\system32\netsh.exe | — | server.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
2672 | netsh firewall add allowedprogram "C:\Users\admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE | C:\Windows\system32\netsh.exe | — | server.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
1972 | schtasks /create /sc minute /mo 1 /tn StUpdate /tr C:\Users\admin\AppData\Local\Temp/StUpdate.exe | C:\Windows\system32\schtasks.exe | — | server.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
3740 | C:\Users\admin\AppData\Local\Temp/StUpdate.exe | C:\Users\admin\AppData\Local\Temp\StUpdate.exe | — | taskeng.exe |
User: admin Integrity Level: MEDIUM Exit code: 3221226540 | ||||
2408 | C:\Users\admin\AppData\Local\Temp/StUpdate.exe | C:\Users\admin\AppData\Local\Temp\StUpdate.exe | taskeng.exe | |
User: admin Integrity Level: HIGH Exit code: 0 | ||||
2648 | "C:\Program Files\Internet Explorer\iexplore.exe" -nohome | C:\Program Files\Internet Explorer\iexplore.exe | Explorer.EXE | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Internet Explorer Version: 11.00.9600.16428 (winblue_gdr.131013-1700) | ||||
3112 | "C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2648 CREDAT:267521 /prefetch:2 | C:\Program Files\Internet Explorer\iexplore.exe | — | iexplore.exe |
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Internet Explorer Version: 11.00.9600.16428 (winblue_gdr.131013-1700) |
PID | Process | Filename | Type | |
---|---|---|---|---|
2904 | WINWORD.EXE | C:\Users\admin\AppData\Local\Temp\CVRC1F5.tmp.cvr | — | |
MD5:— | SHA256:— | |||
3804 | server.exe | C:\Users\admin\AppData\Local\Temp\StUpdate.exe | executable | |
MD5:C5879B0E11C48DFBE4318E886AF8CED9 | SHA256:9ACE6F918C300E2D5465534C26F265C181919B4844AB58691BD9E615479AC651 | |||
2904 | WINWORD.EXE | C:\Users\admin\Desktop\~$cecomponents.rtf | pgc | |
MD5:3BAB0A702728D7C85A5FE16815FD72F9 | SHA256:98487B3FE3EA294368D562B1033CF0FC779C982BBCDBAAC74A3E156BBD18109B | |||
3804 | server.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b8f0ea7d3eefb943b65713c8e9cf0e80Windows Update.exe | executable | |
MD5:C5879B0E11C48DFBE4318E886AF8CED9 | SHA256:9ACE6F918C300E2D5465534C26F265C181919B4844AB58691BD9E615479AC651 | |||
3804 | server.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe | executable | |
MD5:C5879B0E11C48DFBE4318E886AF8CED9 | SHA256:9ACE6F918C300E2D5465534C26F265C181919B4844AB58691BD9E615479AC651 | |||
2904 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\index.dat | ini | |
MD5:F4FFA95B2F5A9DCC113E43B3AB179378 | SHA256:2FA765D71993038994E7025923347D4AEAA5C7AB07EEEBA99F8AB94DFCF92AD7 | |||
2904 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm | pgc | |
MD5:2A3952F92AFFF17FC7EBD885EDD68A74 | SHA256:2CE505C0A867ACC77EAA9B98A3C586509896966D72DDCCCC291907CA52E3CC76 | |||
2648 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_711ED44619924BA6DC33E69F97E7FF63 | der | |
MD5:FC990EAA7247546FB67C18916A4CAC9B | SHA256:294F5BE9159C87842AD3173FE7CDA168C9F2010C6D428085A8AC30EF436CA993 | |||
2648 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_711ED44619924BA6DC33E69F97E7FF63 | binary | |
MD5:D922491E2B9CCB6941F478156CC5336E | SHA256:D7BCF9D61E49B6A7442DCE2F94CDA009C1BECA7210B16D1F901A8FC0F0A7674B | |||
2160 | gameservers.exe | C:\Users\admin\AppData\Roaming\app | text | |
MD5:8FC22F973BEC7F0525710DCF02F05EDF | SHA256:BA0E21CEB11B1EC62709B0141373CE65DE5A156B822C9B6D3C3F9ED9AB224A46 |
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
---|---|---|---|---|---|---|---|---|---|
2648 | iexplore.exe | GET | 200 | 93.184.220.29:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8Ull8gIGmZT9XHrHiJQeI%3D | US | der | 1.47 Kb | whitelisted |
2648 | iexplore.exe | GET | 200 | 23.32.238.178:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?a2fdea9487a02465 | US | compressed | 4.70 Kb | whitelisted |
2648 | iexplore.exe | GET | 200 | 23.32.238.178:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?50aefe0db0853a04 | US | compressed | 4.70 Kb | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
---|---|---|---|---|---|---|
2648 | iexplore.exe | 93.184.220.29:80 | ocsp.digicert.com | MCI Communications Services, Inc. d/b/a Verizon Business | US | whitelisted |
2648 | iexplore.exe | 204.79.197.200:443 | www.bing.com | Microsoft Corporation | US | whitelisted |
3804 | server.exe | 37.1.208.100:1156 | — | Swiftway Sp. z o.o. | US | malicious |
2648 | iexplore.exe | 23.32.238.178:80 | ctldl.windowsupdate.com | XO Communications | US | suspicious |
Domain | IP | Reputation |
---|---|---|
api.bing.com |
| whitelisted |
www.bing.com |
| whitelisted |
ctldl.windowsupdate.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
PID | Process | Class | Message |
---|---|---|---|
3804 | server.exe | A Network Trojan was detected | ET TROJAN Generic njRAT/Bladabindi CnC Activity (ll) |
3804 | server.exe | A Network Trojan was detected | ET TROJAN njrat ver 0.7d Malware CnC Callback (Remote Desktop) |
3804 | server.exe | A Network Trojan was detected | ET TROJAN njrat ver 0.7d Malware CnC Callback Response (Remote Desktop) |
3804 | server.exe | A Network Trojan was detected | ET TROJAN njrat ver 0.7d Malware CnC Callback Response (Remote Desktop) |