| File name: | Voyasollam.sfx.exe |
| Full analysis: | https://app.any.run/tasks/01425d8b-1c4f-41d8-9d50-8245a074b597 |
| Verdict: | Malicious activity |
| Analysis date: | July 13, 2020, 06:48:58 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 6F3D8BC84DF89BDB2AA0B99A7BE246A8 |
| SHA1: | 36BBFA122079AED061BB78CAC576A97E3CF1EC22 |
| SHA256: | CA8C9F0862E01D9871E96E049E6E9A591706D5AD9D6280403DA6B2EA1CC45DC8 |
| SSDEEP: | 24576:IAOcZwXYtNfroJeH8TtQvVDmPFErX6l/DX8ODJ4OhqVTIA8mexg:mWMJexvQyrqlLRmkAaxg |
MALICIOUS
Application was dropped or rewritten from another process
- Voyasollam.exe (PID: 2552)
- Voyasollam.exe (PID: 624)
- Voyasollam.exe (PID: 1476)
- Voyasollam.exe (PID: 3356)
SUSPICIOUS
Executable content was dropped or overwritten
- Voyasollam.sfx.exe (PID: 2260)
- Voyasollam.sfx.exe (PID: 1036)
Reads Internet Cache Settings
- Voyasollam.sfx.exe (PID: 2260)
- Voyasollam.sfx.exe (PID: 1600)
Reads internet explorer settings
- Voyasollam.sfx.exe (PID: 1600)
- Voyasollam.sfx.exe (PID: 2260)
- Voyasollam.sfx.exe (PID: 2988)
- Voyasollam.sfx.exe (PID: 1036)
INFO
Manual execution by user
- Voyasollam.exe (PID: 624)
- explorer.exe (PID: 2356)
- Voyasollam.sfx.exe (PID: 1600)
- Voyasollam.exe (PID: 1476)
- Voyasollam.sfx.exe (PID: 2988)
- Voyasollam.sfx.exe (PID: 1036)
- rundll32.exe (PID: 4032)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable (generic) (52.9) |
|---|---|---|
| .exe | | | Generic Win/DOS Executable (23.5) |
| .exe | | | DOS Executable Generic (23.5) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2020:03:26 11:02:47+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 14 |
| CodeSize: | 198144 |
| InitializedDataSize: | 254464 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1e1f9 |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 26-Mar-2020 10:02:47 |
| Detected languages: |
|
| Debug artifacts: |
|
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: | 0x00000118 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 6 |
| Time date stamp: | 26-Mar-2020 10:02:47 |
| 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 | 0x00030581 | 0x00030600 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.70021 |
.rdata | 0x00032000 | 0x0000A332 | 0x0000A400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.23888 |
.data | 0x0003D000 | 0x000238B0 | 0x00001200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.83994 |
.gfids | 0x00061000 | 0x000000E8 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 2.12166 |
.rsrc | 0x00062000 | 0x0000DFD0 | 0x0000E000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 6.63693 |
.reloc | 0x00070000 | 0x0000210C | 0x00002200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.61039 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.25329 | 1875 | UNKNOWN | English - United States | RT_MANIFEST |
2 | 5.10026 | 2216 | UNKNOWN | English - United States | RT_ICON |
3 | 5.25868 | 3752 | UNKNOWN | English - United States | RT_ICON |
4 | 5.02609 | 1128 | UNKNOWN | English - United States | RT_ICON |
5 | 5.18109 | 4264 | UNKNOWN | English - United States | RT_ICON |
6 | 5.04307 | 9640 | UNKNOWN | English - United States | RT_ICON |
7 | 3.1586 | 482 | UNKNOWN | English - United States | RT_STRING |
8 | 3.11685 | 460 | UNKNOWN | English - United States | RT_STRING |
9 | 3.11236 | 440 | UNKNOWN | English - United States | RT_STRING |
10 | 2.99727 | 326 | UNKNOWN | English - United States | RT_STRING |
Imports
KERNEL32.dll |
USER32.dll (delay-loaded) |
gdiplus.dll |
Total processes
44
Monitored processes
10
Malicious processes
2
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 624 | "C:\Users\admin\AppData\Local\Temp\Voyasollam.exe" | C:\Users\admin\AppData\Local\Temp\Voyasollam.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 1036 | "C:\Users\admin\AppData\Local\Temp\Voyasollam.sfx.exe" | C:\Users\admin\AppData\Local\Temp\Voyasollam.sfx.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 1476 | "C:\Users\admin\AppData\Local\Temp\Voyasollam.exe" | C:\Users\admin\AppData\Local\Temp\Voyasollam.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 1600 | "C:\Users\admin\AppData\Local\Temp\Voyasollam.sfx.exe" | C:\Users\admin\AppData\Local\Temp\Voyasollam.sfx.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 255 Modules
| |||||||||||||||
| 2260 | "C:\Users\admin\AppData\Local\Temp\Voyasollam.sfx.exe" | C:\Users\admin\AppData\Local\Temp\Voyasollam.sfx.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2356 | "C:\Windows\explorer.exe" | C:\Windows\explorer.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2552 | "C:\Users\admin\AppData\Local\Temp\Voyasollam.exe" | C:\Users\admin\AppData\Local\Temp\Voyasollam.exe | Voyasollam.sfx.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2988 | "C:\Users\admin\AppData\Local\Temp\Voyasollam.sfx.exe" | C:\Users\admin\AppData\Local\Temp\Voyasollam.sfx.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 3356 | "C:\Users\admin\AppData\Local\Temp\Voyasollam.exe" | C:\Users\admin\AppData\Local\Temp\Voyasollam.exe | Voyasollam.sfx.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 4032 | "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\admin\AppData\Local\Temp\yhddfshz.chj | C:\Windows\system32\rundll32.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
1 051
Read events
1 015
Write events
36
Delete events
0
Modification events
| (PID) Process: | (2260) Voyasollam.sfx.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (2260) Voyasollam.sfx.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2260) Voyasollam.sfx.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (2260) Voyasollam.sfx.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (2260) Voyasollam.sfx.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (2260) Voyasollam.sfx.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12F\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2260) Voyasollam.sfx.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12F\52C64B7E |
| Operation: | write | Name: | @C:\Windows\system32\NetworkExplorer.dll,-1 |
Value: Network | |||
| (PID) Process: | (2260) Voyasollam.sfx.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer |
| Operation: | write | Name: | Browse For Folder Width |
Value: 318 | |||
| (PID) Process: | (2260) Voyasollam.sfx.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer |
| Operation: | write | Name: | Browse For Folder Height |
Value: 288 | |||
| (PID) Process: | (2260) Voyasollam.sfx.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12F\52C64B7E |
| Operation: | write | Name: | @C:\Windows\system32\NetworkExplorer.dll,-2 |
Value: Access the computers and devices that are on your network. | |||
Executable files
4
Suspicious files
1
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2552 | Voyasollam.exe | C:\Users\admin\AppData\Local\InstallationConfiguration.xml | text | |
MD5:— | SHA256:— | |||
| 2260 | Voyasollam.sfx.exe | C:\Users\admin\AppData\Local\Temp\Voyasollam.exe | executable | |
MD5:— | SHA256:— | |||
| 2260 | Voyasollam.sfx.exe | C:\Users\admin\AppData\Local\Temp\Mathfind.dll | executable | |
MD5:— | SHA256:— | |||
| 2552 | Voyasollam.exe | C:\Users\admin\AppData\Local\installer.dat | binary | |
MD5:— | SHA256:— | |||
| 1036 | Voyasollam.sfx.exe | C:\Users\admin\AppData\Local\Temp\Voyasollam.exe | executable | |
MD5:— | SHA256:— | |||
| 1036 | Voyasollam.sfx.exe | C:\Users\admin\AppData\Local\Temp\Mathfind.dll | executable | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
DNS requests
Threats
Process | Message |
|---|---|
Voyasollam.exe | [Cara]
|
Voyasollam.exe | [Cara] OPTIONS:
|
Voyasollam.exe | [Cara] WHERE
|
Voyasollam.exe | [Cara] -l Lock the encrypted assembly file while it is running.
|
Voyasollam.exe | [Cara] If not specified, it will be possible to modify the encrypted assembly while it's running.
|
Voyasollam.exe | [Cara] USAGE:
|
Voyasollam.exe | [Cara] arg1...argn Optional arguments to pass to the assembly.
|
Voyasollam.exe | [Cara] Cara.exe [-? | -f path [-l] [-a [arg1]...[argn]]
|
Voyasollam.exe | [Cara] -f Load the specified encrypted assembly.
|
Voyasollam.exe | [Cara] path Relative or absolute path to an encrypted assembly.
|