| download: | ap.exe |
| Full analysis: | https://app.any.run/tasks/44be2524-fbae-4084-835d-29914c5186d9 |
| 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: | September 12, 2019, 18:28:23 |
| 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, Nullsoft Installer self-extracting archive |
| MD5: | 4BE88B5C1D2CF4B02FFBDC9F6031C104 |
| SHA1: | 5F45A027AA5414BB681F1A8F1C4DAD038C4061E2 |
| SHA256: | 072C2D0806F9D017D6B32EC0C9F8135C517D9E5194F537742B7DE41201175AF0 |
| SSDEEP: | 6144:PlXKvw0g5z/HNSvg/KYrUAGDUtPONwg7+kqMa1cTuMYQesNbanDzyBz7:NNx5z/HNSvg/KhktP4BqjKYMNbqzyd7 |
MALICIOUS
Runs app for hidden code execution
- ap.exe (PID: 2852)
Loads dropped or rewritten executable
- ap.exe (PID: 2852)
Actions looks like stealing of personal data
- wlanext.exe (PID: 4084)
FORMBOOK was detected
- explorer.exe (PID: 276)
- wlanext.exe (PID: 4084)
- Firefox.exe (PID: 3868)
Changes the autorun value in the registry
- wlanext.exe (PID: 4084)
Connects to CnC server
- explorer.exe (PID: 276)
Stealing of credential data
- wlanext.exe (PID: 4084)
SUSPICIOUS
Creates files in the user directory
- ap.exe (PID: 2852)
- wlanext.exe (PID: 4084)
Executable content was dropped or overwritten
- ap.exe (PID: 2852)
Starts CMD.EXE for commands execution
- ap.exe (PID: 2852)
- wlanext.exe (PID: 4084)
Loads DLL from Mozilla Firefox
- wlanext.exe (PID: 4084)
INFO
Manual execution by user
- wlanext.exe (PID: 4084)
Reads the hosts file
- wlanext.exe (PID: 4084)
Creates files in the user directory
- Firefox.exe (PID: 3868)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable MS Visual C++ (generic) (67.4) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (14.2) |
| .exe | | | Win32 Executable (generic) (9.7) |
| .exe | | | Generic Win/DOS Executable (4.3) |
| .exe | | | DOS Executable Generic (4.3) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2018:12:15 23:24:55+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 26624 |
| InitializedDataSize: | 186880 |
| UninitializedDataSize: | 2048 |
| EntryPoint: | 0x34c7 |
| OSVersion: | 4 |
| ImageVersion: | 6 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 15-Dec-2018 22:24:55 |
| Detected languages: |
|
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: | 0x000000D8 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 15-Dec-2018 22:24:55 |
| 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 | 0x00001000 | 0x00006777 | 0x00006800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.50085 |
.rdata | 0x00008000 | 0x000014A2 | 0x00001600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.02017 |
.data | 0x0000A000 | 0x0002B038 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.13067 |
.ndata | 0x00036000 | 0x00010000 | 0x00000000 | IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rsrc | 0x00046000 | 0x000015B8 | 0x00001600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.43907 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.2992 | 830 | UNKNOWN | English - United States | RT_MANIFEST |
2 | 3.4377 | 1384 | UNKNOWN | English - United States | RT_ICON |
103 | 2.32824 | 34 | UNKNOWN | English - United States | RT_GROUP_ICON |
105 | 2.66174 | 256 | UNKNOWN | English - United States | RT_DIALOG |
106 | 2.88094 | 284 | UNKNOWN | English - United States | RT_DIALOG |
111 | 2.48825 | 96 | UNKNOWN | English - United States | RT_DIALOG |
Imports
ADVAPI32.dll |
COMCTL32.dll |
GDI32.dll |
KERNEL32.dll |
SHELL32.dll |
USER32.dll |
ole32.dll |
Total processes
36
Monitored processes
6
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 276 | 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
| |||||||||||||||
| 2812 | "C:\Windows\system32\cmd.exe" | C:\Windows\system32\cmd.exe | — | ap.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
| |||||||||||||||
| 2852 | "C:\Users\admin\AppData\Local\Temp\ap.exe" | C:\Users\admin\AppData\Local\Temp\ap.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 3024 | /c del "C:\Windows\system32\cmd.exe" | C:\Windows\System32\cmd.exe | — | wlanext.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
| |||||||||||||||
| 3868 | "C:\Program Files\Mozilla Firefox\Firefox.exe" | C:\Program Files\Mozilla Firefox\Firefox.exe | wlanext.exe | ||||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Exit code: 0 Version: 68.0.1 Modules
| |||||||||||||||
| 4084 | "C:\Windows\System32\wlanext.exe" | C:\Windows\System32\wlanext.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Wireless LAN 802.11 Extensibility Framework Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
1 237
Read events
1 236
Write events
1
Delete events
0
Modification events
| (PID) Process: | (4084) wlanext.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | 3FR8FTBPB4C |
Value: C:\Program Files\Iejg4il6h\taskhostcph.exe | |||
Executable files
6
Suspicious files
79
Text files
16
Unknown types
2
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2852 | ap.exe | C:\Users\admin\AppData\Roaming\tarcat.1.gz | compressed | |
MD5:— | SHA256:— | |||
| 2852 | ap.exe | C:\Users\admin\AppData\Roaming\base.extras.xml | xml | |
MD5:— | SHA256:— | |||
| 2852 | ap.exe | C:\Users\admin\AppData\Roaming\network-manager | text | |
MD5:— | SHA256:— | |||
| 2852 | ap.exe | C:\Users\admin\AppData\Roaming\420.4 | binary | |
MD5:— | SHA256:— | |||
| 2852 | ap.exe | C:\Users\admin\AppData\Roaming\macroman.cpython-35.pyc | pyc | |
MD5:— | SHA256:— | |||
| 2852 | ap.exe | C:\Users\admin\AppData\Roaming\intuos5-touch-s.tablet | text | |
MD5:— | SHA256:— | |||
| 2852 | ap.exe | C:\Users\admin\AppData\Roaming\lz4hccompress.ko | o | |
MD5:— | SHA256:— | |||
| 2852 | ap.exe | C:\Users\admin\AppData\Roaming\crtowordsko.dll | executable | |
MD5:— | SHA256:— | |||
| 2852 | ap.exe | C:\Users\admin\AppData\Roaming\85.2 | binary | |
MD5:— | SHA256:— | |||
| 2852 | ap.exe | C:\Users\admin\AppData\Roaming\date.png | image | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
10
TCP/UDP connections
11
DNS requests
12
Threats
19
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
276 | explorer.exe | GET | — | 47.105.157.234:80 | http://www.xingwo2018.com/c200/?nDFxwnQ8=+T520czdK+REGSrvaUR50MEcZuQJSy5IbrdO/76H887ez1/oXlwiXjFeHeXZTaSlHEymNA==&QFiHd=0v-TWXlPzZm426Yp&sql=1 | CN | — | — | malicious |
276 | explorer.exe | POST | 404 | 198.54.112.75:80 | http://www.veroxin.com/c200/ | US | html | 293 b | malicious |
276 | explorer.exe | GET | — | 198.54.112.75:80 | http://www.veroxin.com/c200/?nDFxwnQ8=73BSsKzlVcVf27u1nojM+DGY9C/y0OBxRgnVtF4+i3n9aIKkPJhRgfJoOthihvpMoDgD4g==&QFiHd=0v-TWXlPzZm426Yp | US | — | — | malicious |
276 | explorer.exe | POST | — | 103.224.182.241:80 | http://www.iddealista.com/c200/ | AU | — | — | malicious |
276 | explorer.exe | POST | — | 47.105.157.234:80 | http://www.xingwo2018.com/c200/ | CN | — | — | malicious |
276 | explorer.exe | POST | — | 47.105.157.234:80 | http://www.xingwo2018.com/c200/ | CN | — | — | malicious |
276 | explorer.exe | POST | — | 198.54.112.75:80 | http://www.veroxin.com/c200/ | US | — | — | malicious |
276 | explorer.exe | GET | 302 | 103.224.182.241:80 | http://www.iddealista.com/c200/?nDFxwnQ8=8oU5qIY4bl53XYgw0dTC1UiU8Jtf8QoY9myLUlPtcRsTHeaVEI6Y7cEtnFowfkqOrc10Ew==&QFiHd=0v-TWXlPzZm426Yp&sql=1 | AU | — | — | malicious |
276 | explorer.exe | POST | — | 103.224.182.241:80 | http://www.iddealista.com/c200/ | AU | — | — | malicious |
276 | explorer.exe | POST | — | 103.224.182.241:80 | http://www.iddealista.com/c200/ | AU | — | — | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
276 | explorer.exe | 198.54.112.75:80 | www.veroxin.com | Namecheap, Inc. | US | malicious |
276 | explorer.exe | 47.105.157.234:80 | www.xingwo2018.com | Hangzhou Alibaba Advertising Co.,Ltd. | CN | malicious |
276 | explorer.exe | 103.224.182.241:80 | www.iddealista.com | Trellian Pty. Limited | AU | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
www.leilaphotographyvancouver.com |
| unknown |
www.branfinance.net |
| unknown |
www.22ardglass.com |
| unknown |
www.efectoobservador.net |
| unknown |
www.yueyangyinhua.com |
| unknown |
www.infiniaonline.com |
| unknown |
www.veroxin.com |
| malicious |
www.aranidcube.com |
| unknown |
www.iddealista.com |
| malicious |
www.xingwo2018.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
276 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (GET) |
276 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST) |
276 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (GET) |
276 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST) |
276 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST) |
276 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (POST) |
276 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (GET) |
276 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST) |
276 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST) |
276 | explorer.exe | A Network Trojan was detected | MALWARE [PTsecurity] FormBook CnC Checkin (POST) |
9 ETPRO signatures available at the full report