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| File name: | co.exe |
| Full analysis: | https://app.any.run/tasks/459719fa-e4d5-4494-9c0d-efdcc6652ed7 |
| 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: | April 25, 2019, 11:50:40 |
| 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: | 3B5EDC7E94DB4A153000246C4D33F871 |
| SHA1: | B2FE4DC34E39A8D9E40D43D561D7497CC740BEFB |
| SHA256: | 68C59EE3C048BDAFE28422927AADE19176C82C9680A1B5FA012096CA7A84DB52 |
| SSDEEP: | 12288:6Vxd8PIcO+kOmZ2xd8PIcO+kOmZICfrUIJvzItj4UF/:69Mk+kbUMk+kbICHJMWk |
MALICIOUS
FORMBOOK was detected
- explorer.exe (PID: 2044)
Connects to CnC server
- explorer.exe (PID: 2044)
Formbook was detected
- Firefox.exe (PID: 1956)
- control.exe (PID: 944)
Actions looks like stealing of personal data
- control.exe (PID: 944)
Changes the autorun value in the registry
- control.exe (PID: 944)
Stealing of credential data
- control.exe (PID: 944)
SUSPICIOUS
Application launched itself
- co.exe (PID: 2600)
Starts CMD.EXE for commands execution
- co.exe (PID: 2600)
- control.exe (PID: 944)
Creates files in the user directory
- control.exe (PID: 944)
Executable content was dropped or overwritten
- explorer.exe (PID: 2044)
- DllHost.exe (PID: 2780)
Loads DLL from Mozilla Firefox
- control.exe (PID: 944)
Creates files in the program directory
- DllHost.exe (PID: 2780)
INFO
Creates files in the user directory
- Firefox.exe (PID: 1956)
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.) (82.9) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (7.4) |
| .exe | | | Win32 Executable (generic) (5.1) |
| .exe | | | Generic Win/DOS Executable (2.2) |
| .exe | | | DOS Executable Generic (2.2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 1991:11:22 10:33:10+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 545280 |
| InitializedDataSize: | 70144 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x8718e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 60.13.18.22 |
| ProductVersionNumber: | 60.13.18.22 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | ifopug |
| CompanyName: | opexut |
| FileDescription: | aron |
| FileVersion: | 60.13.18.22 |
| InternalName: | azx2.exe |
| LegalCopyright: | Copyright © 8000 |
| OriginalFileName: | azx2.exe |
| ProductName: | arowidir |
| ProductVersion: | 60.13.18.22 |
| AssemblyVersion: | 0.0.0.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 22-Nov-1991 09:33:10 |
| Comments: | ifopug |
| CompanyName: | opexut |
| FileDescription: | aron |
| FileVersion: | 60.13.18.22 |
| InternalName: | azx2.exe |
| LegalCopyright: | Copyright © 8000 |
| OriginalFilename: | azx2.exe |
| ProductName: | arowidir |
| ProductVersion: | 60.13.18.22 |
| Assembly Version: | 0.0.0.0 |
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: | 3 |
| Time date stamp: | 22-Nov-1991 09:33:10 |
| 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 | 0x00085194 | 0x00085200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.59477 |
.rsrc | 0x00088000 | 0x00011000 | 0x00011000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.54 |
.reloc | 0x0009A000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.00112 | 490 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
50 | 4.51785 | 67624 | UNKNOWN | UNKNOWN | RT_ICON |
Imports
mscoree.dll |
Total processes
46
Monitored processes
10
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 2600 | "C:\Users\admin\Desktop\co.exe" | C:\Users\admin\Desktop\co.exe | explorer.exe | |
User: admin Company: opexut Integrity Level: MEDIUM Description: aron Exit code: 0 Version: 60.13.18.22 | ||||
| 184 | "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\admin\Desktop\co.exe:Zone.Identifier" | C:\Windows\System32\cmd.exe | — | co.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) | ||||
| 2896 | "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\admin\Desktop\co.exe:Zone.Identifier" | C:\Windows\System32\cmd.exe | — | co.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) | ||||
| 2084 | "C:\Users\admin\Desktop\co.exe" | C:\Users\admin\Desktop\co.exe | — | co.exe |
User: admin Company: opexut Integrity Level: MEDIUM Description: aron Exit code: 0 Version: 60.13.18.22 | ||||
| 944 | "C:\Windows\System32\control.exe" | C:\Windows\System32\control.exe | explorer.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Control Panel Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3384 | /c del "C:\Users\admin\Desktop\co.exe" | C:\Windows\System32\cmd.exe | — | control.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) | ||||
| 2044 | 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) | ||||
| 1956 | "C:\Program Files\Mozilla Firefox\Firefox.exe" | C:\Program Files\Mozilla Firefox\Firefox.exe | control.exe | |
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Exit code: 0 Version: 65.0.2 | ||||
| 2780 | C:\Windows\system32\DllHost.exe /Processid:{3AD05575-8857-4850-9277-11B85BDB8E09} | C:\Windows\system32\DllHost.exe | svchost.exe | |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: COM Surrogate Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3428 | "C:\Program Files\Eez28kzi\usercpxdclc.exe" | C:\Program Files\Eez28kzi\usercpxdclc.exe | — | explorer.exe |
User: admin Company: opexut Integrity Level: MEDIUM Description: aron Version: 60.13.18.22 | ||||
Total events
2 732
Read events
2 699
Write events
33
Delete events
0
Modification events
| (PID) Process: | (2600) co.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (2600) co.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2600) co.exe | Key: | HKEY_CURRENT_USER |
| Operation: | write | Name: | |
Value: -boot | |||
| (PID) Process: | (2044) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2044) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E |
| Operation: | write | Name: | @C:\Program Files\Common Files\System\wab32res.dll,-4602 |
Value: Contact file | |||
| (PID) Process: | (2044) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E |
| Operation: | write | Name: | @C:\Windows\System32\display.dll,-4 |
Value: S&creen resolution | |||
| (PID) Process: | (2044) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E |
| Operation: | write | Name: | @C:\Program Files\Windows Sidebar\sidebar.exe,-11100 |
Value: &Gadgets | |||
| (PID) Process: | (2044) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E |
| Operation: | write | Name: | @C:\Windows\system32\themecpl.dll,-10 |
Value: Pe&rsonalize | |||
| (PID) Process: | (2044) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E |
| Operation: | write | Name: | @"C:\Program Files\Windows Journal\Journal.exe",-3072 |
Value: Journal Document | |||
| (PID) Process: | (2044) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E |
| Operation: | write | Name: | @C:\Windows\system32\notepad.exe,-469 |
Value: Text Document | |||
Executable files
2
Suspicious files
73
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 944 | control.exe | C:\Users\admin\AppData\Roaming\5M98NQRE\5M9logrc.ini | binary | |
MD5:2855A82ECDD565B4D957EC2EE05AED26 | SHA256:88E38DA5B12DD96AFD9DC90C79929EC31D8604B1AFDEBDD5A02B19249C08C939 | |||
| 944 | control.exe | C:\Users\admin\AppData\Roaming\5M98NQRE\5M9logim.jpeg | image | |
MD5:1EE973D20EAFCB810034D6386EEF38A0 | SHA256:49FF39D079DECB21AEE0F48D4B593E725A1C2FFCF09295845807626DE2D75970 | |||
| 1956 | Firefox.exe | C:\Users\admin\AppData\Roaming\5M98NQRE\5M9logrf.ini | binary | |
MD5:53028481B5B5795F1501241CCC7ABFF6 | SHA256:75B5F3045E20C80F264568707E2D444DC7498DB119D9661AE51A91575960FC5A | |||
| 2044 | explorer.exe | C:\Users\admin\AppData\Local\Temp\Eez28kzi\usercpxdclc.exe | executable | |
MD5:3B5EDC7E94DB4A153000246C4D33F871 | SHA256:68C59EE3C048BDAFE28422927AADE19176C82C9680A1B5FA012096CA7A84DB52 | |||
| 2780 | DllHost.exe | C:\Program Files\Eez28kzi\usercpxdclc.exe | executable | |
MD5:3B5EDC7E94DB4A153000246C4D33F871 | SHA256:68C59EE3C048BDAFE28422927AADE19176C82C9680A1B5FA012096CA7A84DB52 | |||
| 944 | control.exe | C:\Users\admin\AppData\Roaming\5M98NQRE\5M9logri.ini | binary | |
MD5:D63A82E5D81E02E399090AF26DB0B9CB | SHA256:EAECE2EBA6310253249603033C744DD5914089B0BB26BDE6685EC9813611BAAE | |||
| 944 | control.exe | C:\Users\admin\AppData\Roaming\5M98NQRE\5M9logrv.ini | binary | |
MD5:BA3B6BC807D4F76794C4B81B09BB9BA5 | SHA256:6EEBF968962745B2E9DE2CA969AF7C424916D4E3FE3CC0BB9B3D414ABFCE9507 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
1
DNS requests
3
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2044 | explorer.exe | GET | — | 188.93.150.86:80 | http://www.tweekleinemeisjes.com/ce/?PB=uRgXRvuo+T47jeYwLIz3XTfHjbwoVrcOqCScJIZlzLFsQl/mGg4Ewnlx8kNbPHkMqUb6WQ==&00=Kzd04BMX | NL | — | — | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2044 | explorer.exe | 188.93.150.86:80 | www.tweekleinemeisjes.com | mijndomein.nl BV | NL | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
www.pthv7g7f1gy.biz |
| unknown |
www.vxqhno.info |
| unknown |
www.tweekleinemeisjes.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2044 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (GET) |
1 ETPRO signatures available at the full report
Process | Message |
|---|---|
co.exe |
*** Status originated: -1072365543
*** Source File: d:\iso_whid\x86fre\base\isolation\id_parser.cpp, line 590
|
co.exe |
*** Status propagated: -1072365543
*** Source File: d:\iso_whid\x86fre\base\isolation\com\identityauthority.cpp, line 147
|