| download: | bun.exe |
| Full analysis: | https://app.any.run/tasks/f4b257d7-f3b2-4559-a80e-ef37328b1a83 |
| 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: | November 30, 2018, 16:40:20 |
| 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: | 0E888FA2D4ADE326D846C9B1414B9EBA |
| SHA1: | 050DA479C852AA4594C6FBB8C069506795F2F3CF |
| SHA256: | 3FF5F337441DB17CF55019A7C4123383001EEC9430BBB30D9FCB3D5A96F0AA10 |
| SSDEEP: | 12288:xbjkFWbDo3MBvOGtI6md1AxL8rDTwB/1jW:oWbSMEGKt1CwcB/16 |
MALICIOUS
Changes the autorun value in the registry
- dll.exe (PID: 3060)
- taskhost.exe (PID: 2892)
Connects to CnC server
- explorer.exe (PID: 116)
FORMBOOK was detected
- explorer.exe (PID: 116)
Formbook was detected
- taskhost.exe (PID: 2892)
- Firefox.exe (PID: 3324)
Actions looks like stealing of personal data
- taskhost.exe (PID: 2892)
Loads the Task Scheduler COM API
- explorer.exe (PID: 2316)
Stealing of credential data
- taskhost.exe (PID: 2892)
SUSPICIOUS
Starts CMD.EXE for commands execution
- bun.exe (PID: 3096)
- taskhost.exe (PID: 2892)
Executable content was dropped or overwritten
- cmd.exe (PID: 2676)
Application launched itself
- dll.exe (PID: 3060)
Creates files in the user directory
- taskhost.exe (PID: 2892)
Loads DLL from Mozilla Firefox
- taskhost.exe (PID: 2892)
INFO
Dropped object may contain Bitcoin addresses
- cmd.exe (PID: 2676)
Creates files in the user directory
- Firefox.exe (PID: 3324)
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.) (63.1) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (23.8) |
| .dll | | | Win32 Dynamic Link Library (generic) (5.6) |
| .exe | | | Win32 Executable (generic) (3.8) |
| .exe | | | Generic Win/DOS Executable (1.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2009:10:30 04:53:03+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 546816 |
| InitializedDataSize: | 2048 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x8766e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | egidujavapoliz |
| CompanyName: | Administaff, Inc. |
| FileDescription: | ISAPI filter module |
| FileVersion: | 1.0.0.0 |
| InternalName: | bun.exe |
| LegalCopyright: | Copyright © 2018 Administaff, Inc. |
| OriginalFileName: | bun.exe |
| ProductName: | ISAPI filter module |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 0.0.0.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 30-Oct-2009 03:53:03 |
| Comments: | egidujavapoliz |
| CompanyName: | Administaff, Inc. |
| FileDescription: | ISAPI filter module |
| FileVersion: | 1.0.0.0 |
| InternalName: | bun.exe |
| LegalCopyright: | Copyright © 2018 Administaff, Inc. |
| OriginalFilename: | bun.exe |
| ProductName: | ISAPI filter module |
| ProductVersion: | 1.0.0.0 |
| 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: | 30-Oct-2009 03:53:03 |
| 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 | 0x00085674 | 0x00085800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.44759 |
.rsrc | 0x00088000 | 0x000005EC | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.3382 |
.reloc | 0x0008A000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0980042 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.00112 | 490 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
45
Monitored processes
10
Malicious processes
3
Suspicious processes
2
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 116 | C:\Windows\Explorer.EXE | C:\Windows\explorer.exe | — | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1244 | /c del "C:\Users\admin\AppData\Local\dll.exe" | C:\Windows\System32\cmd.exe | — | taskhost.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) Modules
| |||||||||||||||
| 2316 | "C:\Windows\explorer.exe" | C:\Windows\explorer.exe | — | taskhost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2332 | "C:\Windows\System32\cmd.exe" /c, "C:\Users\admin\AppData\Local\dll.exe" | C:\Windows\System32\cmd.exe | — | bun.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) Modules
| |||||||||||||||
| 2676 | "C:\Windows\System32\cmd.exe" /c copy "C:\Users\admin\AppData\Local\Temp\bun.exe" "C:\Users\admin\AppData\Local\dll.exe" | C:\Windows\System32\cmd.exe | bun.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) Modules
| |||||||||||||||
| 2892 | "C:\Windows\System32\taskhost.exe" | C:\Windows\System32\taskhost.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Host Process for Windows Tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3060 | "C:\Users\admin\AppData\Local\dll.exe" | C:\Users\admin\AppData\Local\dll.exe | cmd.exe | ||||||||||||
User: admin Company: Administaff, Inc. Integrity Level: MEDIUM Description: ISAPI filter module Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 3096 | "C:\Users\admin\AppData\Local\Temp\bun.exe" | C:\Users\admin\AppData\Local\Temp\bun.exe | explorer.exe | ||||||||||||
User: admin Company: Administaff, Inc. Integrity Level: MEDIUM Description: ISAPI filter module Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 3324 | "C:\Program Files\Mozilla Firefox\Firefox.exe" | C:\Program Files\Mozilla Firefox\Firefox.exe | taskhost.exe | ||||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Exit code: 0 Version: 61.0.2 Modules
| |||||||||||||||
| 4084 | "C:\Users\admin\AppData\Local\dll.exe" | C:\Users\admin\AppData\Local\dll.exe | — | dll.exe | |||||||||||
User: admin Company: Administaff, Inc. Integrity Level: MEDIUM Description: ISAPI filter module Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
Total events
7 238
Read events
2 686
Write events
4 549
Delete events
3
Modification events
| (PID) Process: | (116) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (116) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E |
| Operation: | write | Name: | @C:\Program Files\Common Files\System\wab32res.dll,-4602 |
Value: Contact file | |||
| (PID) Process: | (116) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E |
| Operation: | write | Name: | @C:\Windows\System32\display.dll,-4 |
Value: S&creen resolution | |||
| (PID) Process: | (116) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E |
| Operation: | write | Name: | @C:\Program Files\Windows Sidebar\sidebar.exe,-11100 |
Value: &Gadgets | |||
| (PID) Process: | (116) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E |
| Operation: | write | Name: | @C:\Windows\system32\themecpl.dll,-10 |
Value: Pe&rsonalize | |||
| (PID) Process: | (116) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E |
| Operation: | write | Name: | @"C:\Program Files\Windows Journal\Journal.exe",-3072 |
Value: Journal Document | |||
| (PID) Process: | (116) explorer.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Discardable\PostSetup\ShellNew |
| Operation: | write | Name: | Classes |
Value: .accdb | |||
| (PID) Process: | (116) explorer.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Discardable\PostSetup\ShellNew |
| Operation: | write | Name: | ~reserved~ |
Value: 0800000000000600 | |||
| (PID) Process: | (116) explorer.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\ApplicationDestinations |
| Operation: | write | Name: | MaxEntries |
Value: 15 | |||
| (PID) Process: | (3096) bun.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
Executable files
1
Suspicious files
73
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2892 | taskhost.exe | C:\Users\admin\AppData\Roaming\5Q7OS08E\5Q7logrc.ini | binary | |
MD5:2855A82ECDD565B4D957EC2EE05AED26 | SHA256:88E38DA5B12DD96AFD9DC90C79929EC31D8604B1AFDEBDD5A02B19249C08C939 | |||
| 2892 | taskhost.exe | C:\Users\admin\AppData\Roaming\5Q7OS08E\5Q7logrv.ini | binary | |
MD5:BA3B6BC807D4F76794C4B81B09BB9BA5 | SHA256:6EEBF968962745B2E9DE2CA969AF7C424916D4E3FE3CC0BB9B3D414ABFCE9507 | |||
| 2892 | taskhost.exe | C:\Users\admin\AppData\Roaming\5Q7OS08E\5Q7logim.jpeg | image | |
MD5:5FD221A87F69B17113B10742DDDA7A0A | SHA256:5BFF4EACC8476EFAB585C5889909BD79CE1C411688C3188D9BDF959D7C7759DA | |||
| 2676 | cmd.exe | C:\Users\admin\AppData\Local\dll.exe | executable | |
MD5:0E888FA2D4ADE326D846C9B1414B9EBA | SHA256:3FF5F337441DB17CF55019A7C4123383001EEC9430BBB30D9FCB3D5A96F0AA10 | |||
| 2892 | taskhost.exe | C:\Users\admin\AppData\Roaming\5Q7OS08E\5Q7logri.ini | binary | |
MD5:D63A82E5D81E02E399090AF26DB0B9CB | SHA256:EAECE2EBA6310253249603033C744DD5914089B0BB26BDE6685EC9813611BAAE | |||
| 3324 | Firefox.exe | C:\Users\admin\AppData\Roaming\5Q7OS08E\5Q7logrf.ini | binary | |
MD5:2F245469795B865BDD1B956C23D7893D | SHA256:1662D01A2D47B875A34FC7A8CD92E78CB2BA7F34023C7FD2639CBB10B8D94361 | |||
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
1
Threats
3
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
116 | explorer.exe | GET | 200 | 199.192.23.212:80 | http://www.smaleg.com/fr/?xVftqbDh=7yDOsPgulAQHYr1+ClvK+tPn0FlGTa8eQ25KfVv1Yg38lbsArvWdf8O1eFyXEuEU7ZTpFg==&1b0=L6QliPVP6V4PlVqP | US | text | 9 b | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
116 | explorer.exe | 199.192.23.212:80 | www.smaleg.com | — | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
www.smaleg.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
116 | explorer.exe | A Network Trojan was detected | SC SPYWARE Trojan-Spy.Win32.Noon |
116 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (GET) |
1 ETPRO signatures available at the full report
Process | Message |
|---|---|
bun.exe |
*** HR originated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1391
|
bun.exe |
*** HR propagated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\identityauthority.cpp, line 278
|
bun.exe |
*** HR propagated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\identityauthority.cpp, liĊ |
bun.exe |
*** HR propagated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\identityauthority.cpp, line 278
|
bun.exe |
*** HR originated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1391
|
bun.exe |
*** HR propagated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\identityauthority.cpp, line 278
|
bun.exe |
*** HR propagated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\identityauthority.cpp, liĊ |
bun.exe |
*** HR propagated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\identityauthority.cpp, line 278
|
dll.exe |
*** HR originated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1391
|
dll.exe |
*** HR propagated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\identityauthority.cpp, line 278
|