File name: | C:\Users\Public\Libraries\Rbyflxbzhq.exe |
Full analysis: | https://app.any.run/tasks/53a85c31-549a-49c2-93bc-1621089a6acf |
Verdict: | Malicious activity |
Threats: | FormBook is a data stealer that is being distributed as a MaaS. FormBook differs from a lot of competing malware by its extreme ease of use that allows even the unexperienced threat actors to use FormBook virus. |
Analysis date: | June 27, 2022, 10:50:32 |
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: | C502A7C74E56610C645B07D353BC68BA |
SHA1: | A1E7FE7346D1C87FB948DF2CFB5B9D6FA68DE771 |
SHA256: | E26F5163AC535BAB0426BDE4C29B11A7194D418F7FF9E27DF41D079D7D04D259 |
SSDEEP: | 12288:bKylK+VTH3S6FceOfkiOe4fx+PA/9c7B6hcSwuJ:bTrnq9+e4fk+aB6+y |
.exe | | | Win32 Executable Borland Delphi 7 (61.4) |
---|---|---|
.exe | | | Win32 Executable Borland Delphi 6 (24.2) |
.exe | | | Win32 Executable Delphi generic (1.3) |
.scr | | | Windows screen saver (1.2) |
Comments: | Installation created by Sfx-Factory!,(c) 1997-2005 e-merge GmbH, http://www.emerge.de |
---|---|
ProductVersion: | 02.69.00.00 |
ProductName: | WinAce |
OriginalFileName: | - |
LegalTrademarks: | 1997-2007 ACE Compression Software & e-merge GmbH |
LegalCopyright: | 1997-2007 ACE Compression Software & e-merge GmbH |
InternalName: | - |
FileVersion: | 2.69.0.0 |
FileDescription: | http://www.winace.com |
CompanyName: | Verified Documents |
CharacterSet: | Windows, Latin1 |
LanguageCode: | German |
FileSubtype: | - |
ObjectFileType: | Executable application |
FileOS: | Win32 |
FileFlags: | (none) |
FileFlagsMask: | 0x003f |
ProductVersionNumber: | 2.6.4.0 |
FileVersionNumber: | 2.69.0.0 |
Subsystem: | Windows GUI |
SubsystemVersion: | 4 |
ImageVersion: | - |
OSVersion: | 4 |
EntryPoint: | 0x93a10 |
UninitializedDataSize: | - |
InitializedDataSize: | 250368 |
CodeSize: | 601088 |
LinkerVersion: | 2.25 |
PEType: | PE32 |
TimeStamp: | 1992:06:20 00:22:17+02:00 |
MachineType: | Intel 386 or later, and compatibles |
Architecture: | IMAGE_FILE_MACHINE_I386 |
---|---|
Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
Compilation Date: | 19-Jun-1992 22:22:17 |
Detected languages: |
|
CompanyName: | Verified Documents |
FileDescription: | http://www.winace.com |
FileVersion: | 2.69.0.0 |
InternalName: | - |
LegalCopyright: | 1997-2007 ACE Compression Software & e-merge GmbH |
LegalTrademarks: | 1997-2007 ACE Compression Software & e-merge GmbH |
OriginalFilename: | - |
ProductName: | WinAce |
ProductVersion: | 02.69.00.00 |
Comments: | Installation created by Sfx-Factory!,(c) 1997-2005 e-merge GmbH, http://www.emerge.de |
Magic number: | MZ |
---|---|
Bytes on last page of file: | 0x0050 |
Pages in file: | 0x0002 |
Relocations: | 0x0000 |
Size of header: | 0x0004 |
Min extra paragraphs: | 0x000F |
Max extra paragraphs: | 0xFFFF |
Initial SS value: | 0x0000 |
Initial SP value: | 0x00B8 |
Checksum: | 0x0000 |
Initial IP value: | 0x0000 |
Initial CS value: | 0x0000 |
Overlay number: | 0x001A |
OEM identifier: | 0x0000 |
OEM information: | 0x0000 |
Address of NE header: | 0x00000100 |
Signature: | PE |
---|---|
Machine: | IMAGE_FILE_MACHINE_I386 |
Number of sections: | 8 |
Time date stamp: | 19-Jun-1992 22:22:17 |
Pointer to Symbol Table: | 0x00000000 |
Number of symbols: | 0 |
Size of Optional Header: | 0x00E0 |
Characteristics: |
|
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
---|---|---|---|---|---|
CODE | 0x00001000 | 0x00092A58 | 0x00092C00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.52256 |
DATA | 0x00094000 | 0x000019B4 | 0x00001A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.19788 |
BSS | 0x00096000 | 0x00000DF5 | 0x00000000 | IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.idata | 0x00097000 | 0x00002688 | 0x00002800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.91835 |
.tls | 0x0009A000 | 0x00000040 | 0x00000000 | IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rdata | 0x0009B000 | 0x00000018 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 0.195201 |
.reloc | 0x0009C000 | 0x0000A610 | 0x0000A800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 6.6397 |
.rsrc | 0x000A7000 | 0x0002E600 | 0x0002E600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 6.96888 |
Title | Entropy | Size | Codepage | Language | Type |
---|---|---|---|---|---|
1 | 3.51838 | 1088 | UNKNOWN | German - Germany | RT_VERSION |
2 | 2.80231 | 308 | UNKNOWN | UNKNOWN | RT_CURSOR |
3 | 3.00046 | 308 | UNKNOWN | UNKNOWN | RT_CURSOR |
4 | 2.56318 | 308 | UNKNOWN | UNKNOWN | RT_CURSOR |
5 | 2.6949 | 308 | UNKNOWN | UNKNOWN | RT_CURSOR |
6 | 2.62527 | 308 | UNKNOWN | UNKNOWN | RT_CURSOR |
7 | 2.91604 | 308 | UNKNOWN | UNKNOWN | RT_CURSOR |
59 | 4.5687 | 4608 | UNKNOWN | UNKNOWN | RT_ICON |
60 | 5.18243 | 2560 | UNKNOWN | UNKNOWN | RT_ICON |
61 | 4.08707 | 1536 | UNKNOWN | UNKNOWN | RT_ICON |
IPHLPAPI.DLL |
advapi32.dll |
comctl32.dll |
gdi32.dll |
kernel32 |
kernel32.dll |
ole32.dll |
oleaut32.dll |
shell32.dll |
user32.dll |
PID | CMD | Path | Indicators | Parent process |
---|---|---|---|---|
2472 | "C:\Users\admin\AppData\Local\Temp\Rbyflxbzhq.exe" | C:\Users\admin\AppData\Local\Temp\Rbyflxbzhq.exe | Explorer.EXE | |
User: admin Company: Verified Documents Integrity Level: MEDIUM Description: http://www.winace.com Exit code: 0 Version: 2.69.0.0 | ||||
696 | C:\Windows\System32\logagent.exe | C:\Windows\System32\logagent.exe | — | Rbyflxbzhq.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Media Player Logagent Exit code: 0 Version: 12.0.7600.16385 | ||||
2608 | "C:\Windows\System32\wininit.exe" | C:\Windows\System32\wininit.exe | Explorer.EXE | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Start-Up Application Version: 6.1.7600.16385 (win7_rtm.090713-1255) Formbook(PID) Process(2608) wininit.exe Modules (42)kernel32.dll advapi32.dll ws2_32.dll svchost.exe msiexec.exe wuauclt.exe lsass.exe wlanext.exe msg.exe lsm.exe dwm.exe help.exe chkdsk.exe cmmon32.exe nbtstat.exe spoolsv.exe rdpclip.exe control.exe taskhost.exe rundll32.exe systray.exe audiodg.exe wininit.exe services.exe autochk.exe autoconv.exe autofmt.exe cmstp.exe colorcpl.exe cscript.exe explorer.exe WWAHost.exe ipconfig.exe msdt.exe mstsc.exe NAPSTAT.EXE netsh.exe NETSTAT.EXE raserver.exe wscript.exe wuapp.exe cmd.exe Decoys and strings (143)USERNAME LOCALAPPDATA USERPROFILE APPDATA TEMP ProgramFiles CommonProgramFiles ALLUSERSPROFILE /c copy " /c del " \Run \Policies \Explorer \Registry\User \Registry\Machine \SOFTWARE\Microsoft\Windows\CurrentVersion Office\15.0\Outlook\Profiles\Outlook\ NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\ \SOFTWARE\Mozilla\Mozilla \Mozilla Username: Password: formSubmitURL usernameField encryptedUsername encryptedPassword \logins.json \signons.sqlite \Microsoft\Vault\ SELECT encryptedUsername, encryptedPassword, formSubmitURL FROM moz_logins \Google\Chrome\User Data\Default\Login Data SELECT origin_url, username_value, password_value FROM logins .exe .com .scr .pif .cmd .bat ms win gdi mfc vga igfx user help config update regsvc chkdsk systray audiodg certmgr autochk taskhost colorcpl services IconCache ThumbCache Cookies SeDebugPrivilege SeShutdownPrivilege \BaseNamedObjects config.php POST HTTP/1.1 Host: Connection: close Content-Length: Cache-Control: no-cache Origin: http:// User-Agent: Mozilla Firefox/4.0 Content-Type: application/x-www-form-urlencoded Accept: */* Referer: http:// Accept-Language: en-US Accept-Encoding: gzip, deflate
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2880 | /c del "C:\Windows\System32\logagent.exe" | C:\Windows\System32\cmd.exe | — | wininit.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
528 | C:\Windows\Explorer.EXE | C:\Windows\Explorer.EXE | — | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Version: 6.1.7600.16385 (win7_rtm.090713-1255) |
PID | Process | Filename | Type | |
---|---|---|---|---|
2472 | Rbyflxbzhq.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\80237EE4964FC9C409AAF55BF996A292_C5130A0BDC8C859A2757D77746C10868 | der | |
MD5:43111BB2C89745ED3725FBB55F689E2C | SHA256:799C420515DADABE7D9693C03BD09E3D67CF6D30C8D0FDEF1FC79A8700E13A66 | |||
2472 | Rbyflxbzhq.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\Rbyflxbzhqzwvuzaqoqjvjlgrtaqecm[1] | binary | |
MD5:E236720D557621CBEA31356F970FD7C4 | SHA256:D88CFD1F170E548931C3118AA165A59B31049AB05F8964FAF0ADAD87AC7D19D9 | |||
2472 | Rbyflxbzhq.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\80237EE4964FC9C409AAF55BF996A292_C5130A0BDC8C859A2757D77746C10868 | binary | |
MD5:C823FF18A3658DD67137A5CD8BF3BECC | SHA256:BAD8223ED53684A2224BCD1F01AC55E7CF9D2AED7A0CBC71BFC14D78EE815583 | |||
2472 | Rbyflxbzhq.exe | C:\Users\Public\Libraries\Rbyflxbzhq.exe | executable | |
MD5:C502A7C74E56610C645B07D353BC68BA | SHA256:E26F5163AC535BAB0426BDE4C29B11A7194D418F7FF9E27DF41D079D7D04D259 | |||
2472 | Rbyflxbzhq.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 | binary | |
MD5:853C72761B702E3E16348620E90884A3 | SHA256:C264C2DCB11CBC49074610D264FBCF344A5DF8EB9EA59B9AEAD9A5AAC4447502 | |||
2472 | Rbyflxbzhq.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\T80WEFSS.txt | text | |
MD5:05EEC3B1F7A0788CD6861F3E63058963 | SHA256:4B01E09EB79DA101E906DD904366CA5A85E617D80907DEB6FDC2206F688954FD | |||
2472 | Rbyflxbzhq.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_1DC6D7385EA816C957BA2B715AC5C442 | binary | |
MD5:F7D80E936433416B87967BA923E899A2 | SHA256:89F407907ABA3C3AD1D684798BB8AA74DD64792459B5B0044218B4987DD5862A | |||
2472 | Rbyflxbzhq.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\KG32IWFS.txt | text | |
MD5:0F317C951F05ECDC5F0D7AF336FBEB74 | SHA256:128D274A5EEAB9D37AA98FFB475240B27E5D6B3020635DB60D72D7F458245316 | |||
2472 | Rbyflxbzhq.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_1DC6D7385EA816C957BA2B715AC5C442 | der | |
MD5:1E59DA967E5251FB6363E91677C70153 | SHA256:CA59967EDB1115006D498632F34F0B7082C5A17DC5BBE98293CD4708E21BFE88 | |||
2472 | Rbyflxbzhq.exe | C:\Users\Public\Libraries\qhzbxlfybR.url | text | |
MD5:3667CC673155C28EE09AEFBF076096C9 | SHA256:42AF9DEA50401379487FFE6398E646CB85A96D50A8C791D19AB03E0380E0843B |
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
---|---|---|---|---|---|---|---|---|---|
2472 | Rbyflxbzhq.exe | GET | 200 | 93.184.220.29:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAqvpsXKY8RRQeo74ffHUxc%3D | US | der | 471 b | whitelisted |
2472 | Rbyflxbzhq.exe | GET | 200 | 93.184.220.29:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA%2BnRyLFPYjID1ie%2Bx%2BdSjo%3D | US | der | 1.47 Kb | whitelisted |
2472 | Rbyflxbzhq.exe | GET | 200 | 93.184.221.240:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?a28262f5dbc7a1c4 | US | compressed | 4.70 Kb | whitelisted |
528 | Explorer.EXE | GET | 404 | 5.183.8.25:80 | http://www.jam-nins.com/n7ak/?Tl9L=sKFNrP+6lSwBv5ctnp4RUWPkT9VOdhfnEgw/f2BD3hGzY4PVy07fP4UCPRab7pSXPPw6Vw==&6l=znBXn | unknown | html | 278 b | malicious |
PID | Process | IP | Domain | ASN | CN | Reputation |
---|---|---|---|---|---|---|
2472 | Rbyflxbzhq.exe | 93.184.220.29:80 | ocsp.digicert.com | MCI Communications Services, Inc. d/b/a Verizon Business | US | whitelisted |
2472 | Rbyflxbzhq.exe | 13.107.43.12:443 | 2q6ida.bn.files.1drv.com | Microsoft Corporation | US | suspicious |
2472 | Rbyflxbzhq.exe | 13.107.43.13:443 | onedrive.live.com | Microsoft Corporation | US | malicious |
2472 | Rbyflxbzhq.exe | 93.184.221.240:80 | ctldl.windowsupdate.com | MCI Communications Services, Inc. d/b/a Verizon Business | US | whitelisted |
528 | Explorer.EXE | 5.183.8.25:80 | www.jam-nins.com | — | — | malicious |
Domain | IP | Reputation |
---|---|---|
onedrive.live.com |
| shared |
ctldl.windowsupdate.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
2q6ida.bn.files.1drv.com |
| suspicious |
www.jam-nins.com |
| malicious |
PID | Process | Class | Message |
---|---|---|---|
528 | Explorer.EXE | Generic Protocol Command Decode | SURICATA HTTP Unexpected Request body |
528 | Explorer.EXE | A Network Trojan was detected | ET TROJAN FormBook CnC Checkin (GET) |
528 | Explorer.EXE | A Network Trojan was detected | ET TROJAN FormBook CnC Checkin (GET) |
528 | Explorer.EXE | A Network Trojan was detected | ET TROJAN FormBook CnC Checkin (GET) |