| File name: | builder.exe.exe |
| Full analysis: | https://app.any.run/tasks/09933cb4-295c-4728-bd7b-f2bbc57a3890 |
| Verdict: | Malicious activity |
| Threats: | Arkei is a stealer type malware capable of collecting passwords, autosaved forms, cryptocurrency wallet credentials, and files. |
| Analysis date: | May 16, 2023, 15:47:08 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 669A891FE610E110917FAD79B6876F55 |
| SHA1: | A762FAA446F6A8DA5770ECCA619FC2CFFDF33AB1 |
| SHA256: | 733D197665D90EBCBE41ED14D872DB66604706D8435E694985AD2C459CE59B70 |
| SSDEEP: | 12288:HYhoWg3wNMP0/JtiTYdmJDJtnee32UEMWOktn3dR/v2FvMI33knQCk/:HSdNMPoJEYKJweGdSKNR/vQvb30w/ |
| .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) |
| ProductionVersion: | 1.24.57.52 |
|---|---|
| ProductName: | SolarOmir |
| ProductsVersion: | 36.47.26.15 |
| OriginalFileName: | bigthing.exe |
| LegalCopyright: | Copyright (C) 2023, parking |
| CharacterSet: | Unknown (31F6) |
| LanguageCode: | Faeroese |
| FileSubtype: | - |
| ObjectFileType: | Unknown |
| FileOS: | Unknown (0x20461) |
| FileFlags: | (none) |
| FileFlagsMask: | 0x183a |
| ProductVersionNumber: | 8.0.0.0 |
| FileVersionNumber: | 18.0.0.0 |
| Subsystem: | Windows GUI |
| SubsystemVersion: | 5 |
| ImageVersion: | - |
| OSVersion: | 5 |
| EntryPoint: | 0x759f |
| UninitializedDataSize: | - |
| InitializedDataSize: | 5105152 |
| CodeSize: | 672256 |
| LinkerVersion: | 9 |
| PEType: | PE32 |
| ImageFileCharacteristics: | Executable, 32-bit |
| TimeStamp: | 2022:03:22 04:43:53+00:00 |
| MachineType: | Intel 386 or later, and compatibles |
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 22-Mar-2022 04:43:53 |
| Detected languages: |
|
| Debug artifacts: |
|
| LegalCopyright: | Copyright (C) 2023, parking |
| OriginalFilename: | bigthing.exe |
| ProductsVersion: | 36.47.26.15 |
| ProductName: | SolarOmir |
| ProductionVersion: | 1.24.57.52 |
| 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: | 0x000000F0 |
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 4 |
| Time date stamp: | 22-Mar-2022 04:43:53 |
| 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 | 0x000A406A | 0x000A4200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.95623 |
.data | 0x000A6000 | 0x004C3DBC | 0x00001A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.25934 |
.rsrc | 0x0056A000 | 0x00015678 | 0x00015800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.50532 |
.reloc | 0x00580000 | 0x00004FB2 | 0x00005000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 1.69216 |
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.41767 | 564 | UNKNOWN | UNKNOWN | RT_VERSION |
2 | 4.19382 | 2216 | UNKNOWN | UNKNOWN | RT_ICON |
3 | 3.71658 | 9640 | UNKNOWN | UNKNOWN | RT_ICON |
4 | 3.75604 | 4264 | UNKNOWN | UNKNOWN | RT_ICON |
5 | 3.90755 | 1128 | UNKNOWN | UNKNOWN | RT_ICON |
6 | 4.89956 | 3752 | UNKNOWN | UNKNOWN | RT_ICON |
7 | 4.11299 | 2216 | UNKNOWN | UNKNOWN | RT_ICON |
8 | 3.48764 | 1384 | UNKNOWN | UNKNOWN | RT_ICON |
9 | 2.33778 | 9640 | UNKNOWN | UNKNOWN | RT_ICON |
10 | 2.33069 | 4264 | UNKNOWN | UNKNOWN | RT_ICON |
GDI32.dll |
KERNEL32.dll |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1756 | "C:\Users\admin\AppData\Local\Temp\builder.exe.exe" --Admin IsNotAutoStart IsNotTask | C:\Users\admin\AppData\Local\Temp\builder.exe.exe | builder.exe.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 2180 | /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\admin\AppData\Roaming\Microsoft\Network\mstsca.exe" | C:\Windows\SysWOW64\schtasks.exe | — | mstsca.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Manages scheduled tasks Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2264 | "C:\Users\admin\AppData\Local\Temp\builder.exe.exe" --Admin IsNotAutoStart IsNotTask | C:\Users\admin\AppData\Local\Temp\builder.exe.exe | builder.exe.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 2284 | "C:\Users\admin\AppData\Local\2061dc7e-6981-419e-835e-f497cb78c859\build2.exe" | C:\Users\admin\AppData\Local\2061dc7e-6981-419e-835e-f497cb78c859\build2.exe | — | builder.exe.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 2408 | icacls "C:\Users\admin\AppData\Local\d32b6c53-efe7-4465-8cbe-6023ff52edb4" /deny *S-1-1-0:(OI)(CI)(DE,DC) | C:\Windows\SysWOW64\icacls.exe | — | builder.exe.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2448 | "C:\Users\admin\AppData\Local\2061dc7e-6981-419e-835e-f497cb78c859\build2.exe" | C:\Users\admin\AppData\Local\2061dc7e-6981-419e-835e-f497cb78c859\build2.exe | build2.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 2608 | "C:\Users\admin\AppData\Local\Temp\builder.exe.exe" | C:\Users\admin\AppData\Local\Temp\builder.exe.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2712 | /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\admin\AppData\Roaming\Microsoft\Network\mstsca.exe" | C:\Windows\SysWOW64\schtasks.exe | — | build3.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2756 | "C:\Users\admin\AppData\Local\Temp\builder.exe.exe" | C:\Users\admin\AppData\Local\Temp\builder.exe.exe | builder.exe.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2776 | "C:\Users\admin\AppData\Local\2061dc7e-6981-419e-835e-f497cb78c859\build3.exe" | C:\Users\admin\AppData\Local\2061dc7e-6981-419e-835e-f497cb78c859\build3.exe | builder.exe.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 4294967295 Modules
| |||||||||||||||
| (PID) Process: | (2756) builder.exe.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings |
| Operation: | write | Name: | ProxyEnable |
Value: 0 | |||
| (PID) Process: | (2756) builder.exe.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections |
| Operation: | write | Name: | SavedLegacySettings |
Value: 460000008B000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (2756) builder.exe.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (2756) builder.exe.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (2756) builder.exe.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2756) builder.exe.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2756) builder.exe.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2756) builder.exe.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (2756) builder.exe.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\14C\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2264) builder.exe.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings |
| Operation: | write | Name: | ProxyEnable |
Value: 0 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2264 | builder.exe.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\BDW1XBVN\build2[1].exe | executable | |
MD5:37B6AAB56A0F770CE58A670322361A1C | SHA256:3D9CF227EF3C29B9CA22C66359FDD61D9B3D3F2BB197EC3DF42D49FF22B989A4 | |||
| 2448 | build2.exe | C:\ProgramData\49514201382288045301943415 | — | |
MD5:— | SHA256:— | |||
| 2448 | build2.exe | C:\ProgramData\mozglue.dll | executable | |
MD5:C8FD9BE83BC728CC04BEFFAFC2907FE9 | SHA256:BA06A6EE0B15F5BE5C4E67782EEC8B521E36C107A329093EC400FE0404EB196A | |||
| 2756 | builder.exe.exe | C:\Users\admin\AppData\Local\Temp\Tar44E1.tmp | binary | |
MD5:4FF65AD929CD9A367680E0E5B1C08166 | SHA256:C8733C93CC5AAF5CA206D06AF22EE8DBDEC764FB5085019A6A9181FEB9DFDEE6 | |||
| 2756 | builder.exe.exe | C:\Users\admin\AppData\Local\d32b6c53-efe7-4465-8cbe-6023ff52edb4\builder.exe.exe | executable | |
MD5:669A891FE610E110917FAD79B6876F55 | SHA256:733D197665D90EBCBE41ED14D872DB66604706D8435E694985AD2C459CE59B70 | |||
| 2264 | builder.exe.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\BDW1XBVN\get[1].htm | binary | |
MD5:67AAA5591B515F777C60AFBA425A9CEE | SHA256:FEC46F586994F181CA548D986CB047CEF452E33AF313B28F6A9DC24E4F74ED2A | |||
| 2448 | build2.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\PYPJ678O.txt | text | |
MD5:11BB41BE7A3A75057B46C5790DFF5C9D | SHA256:8E844D353C2017919EB4ABB37DBBC8A68D9FBE2FEDF60D44814997893CC2671F | |||
| 2264 | builder.exe.exe | C:\SystemID\PersonalID.txt | text | |
MD5:F2750B1FC3E95B1B406AE31BC94B96A1 | SHA256:E06C9B06A1A06DC5422A1A54FE8C185D08733FD8B96900C4DABDE3F97157611A | |||
| 2448 | build2.exe | C:\ProgramData\vcruntime140.dll | executable | |
MD5:A37EE36B536409056A86F50E67777DD7 | SHA256:8934AAEB65B6E6D253DFE72DEA5D65856BD871E989D5D3A2A35EDFE867BB4825 | |||
| 2448 | build2.exe | C:\ProgramData\softokn3.dll | executable | |
MD5:4E52D739C324DB8225BD9AB2695F262F | SHA256:74EBBAC956E519E16923ABDC5AB8912098A4F64E38DDCB2EAE23969F306AFE5A | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2756 | builder.exe.exe | GET | 200 | 8.241.121.126:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?5815ae41b77e7315 | US | compressed | 62.3 Kb | whitelisted |
2264 | builder.exe.exe | GET | 200 | 211.104.254.139:80 | http://colisumy.com/dl/build2.exe | KR | executable | 379 Kb | malicious |
2448 | build2.exe | POST | 200 | 167.235.199.208:8333 | http://167.235.199.208:8333/ | DE | text | 2 b | malicious |
2264 | builder.exe.exe | GET | 200 | 187.156.23.248:80 | http://zexeq.com/files/1/build3.exe | MX | executable | 9.50 Kb | malicious |
2264 | builder.exe.exe | GET | 200 | 123.140.161.243:80 | http://zexeq.com/test1/get.php?pid=D2A34488191DA742578166D02E2C8607&first=true | KR | binary | 560 b | malicious |
2448 | build2.exe | GET | 200 | 167.235.199.208:8333 | http://167.235.199.208:8333/9dfa7ee730fa2f1efb5ed51dbbec22f5 | DE | text | 213 b | malicious |
2448 | build2.exe | GET | 200 | 167.235.199.208:8333 | http://167.235.199.208:8333/config.zip | DE | compressed | 2.56 Mb | malicious |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
328 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
2756 | builder.exe.exe | 162.0.217.254:443 | api.2ip.ua | NAMECHEAP-NET | NL | suspicious |
2756 | builder.exe.exe | 8.241.121.126:80 | ctldl.windowsupdate.com | LEVEL3 | US | suspicious |
2264 | builder.exe.exe | 162.0.217.254:443 | api.2ip.ua | NAMECHEAP-NET | NL | suspicious |
2264 | builder.exe.exe | 211.104.254.139:80 | colisumy.com | Korea Telecom | KR | malicious |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
2264 | builder.exe.exe | 123.140.161.243:80 | zexeq.com | LG DACOM Corporation | KR | malicious |
2448 | build2.exe | 167.235.199.208:8333 | — | Hetzner Online GmbH | DE | malicious |
2448 | build2.exe | 149.154.167.99:443 | t.me | Telegram Messenger Inc | GB | malicious |
Domain | IP | Reputation |
|---|---|---|
api.2ip.ua |
| shared |
ctldl.windowsupdate.com |
| whitelisted |
colisumy.com |
| malicious |
zexeq.com |
| malicious |
t.me |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
328 | svchost.exe | Device Retrieving External IP Address Detected | ET POLICY External IP Address Lookup DNS Query (2ip .ua) |
2756 | builder.exe.exe | Potentially Bad Traffic | ET INFO Observed External IP Lookup Domain (api .2ip .ua in TLS SNI) |
2264 | builder.exe.exe | A Network Trojan was detected | ET USER_AGENTS Suspicious User Agent (Microsoft Internet Explorer) |
2264 | builder.exe.exe | A Network Trojan was detected | ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key |
2264 | builder.exe.exe | A Network Trojan was detected | ET MALWARE Win32/Filecoder.STOP Variant Public Key Download |
2264 | builder.exe.exe | A Network Trojan was detected | ET USER_AGENTS Suspicious User Agent (Microsoft Internet Explorer) |
2264 | builder.exe.exe | A Network Trojan was detected | ET MALWARE Potential Dridex.Maldoc Minimal Executable Request |
2264 | builder.exe.exe | A Network Trojan was detected | ET MALWARE Win32/Vodkagats Loader Requesting Payload |
2264 | builder.exe.exe | Potential Corporate Privacy Violation | ET POLICY PE EXE or DLL Windows file download HTTP |
2448 | build2.exe | Misc activity | ET INFO Observed Telegram Domain (t .me in TLS SNI) |