analyze malware
- Huge database of samples and IOCs
- Custom VM setup
- Unlimited submissions
- Interactive approach
| download: | vchdnw9.tmp |
| Full analysis: | https://app.any.run/tasks/cab46b18-25fc-49fd-a88e-1a2e3bf864f3 |
| Verdict: | Malicious activity |
| Threats: | GandCrab is probably one of the most famous Ransomware. A Ransomware is a malware that asks the victim to pay money in order to restore access to encrypted files. If the user does not cooperate the files are forever lost. |
| Analysis date: | May 24, 2019, 07:14:41 |
| 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: | CD1E645308933F64FD45A2356B5956EB |
| SHA1: | 03ED7164D0A15B7EB1EE19607667DF605404082B |
| SHA256: | EC41E98C2A061F1B125409695177BD31DB442C1E3CFDA9CAE3DAFBD19E7B7664 |
| SSDEEP: | 12288:W3h0czN8fZFZOGEgfDa2p65E/1B8PM7lT4EKKbARlDQ5RRJv:W3h0cz4ZFZOGEgfDXp65O1MIT4SARlDc |
MALICIOUS
Actions looks like stealing of personal data
- vchdnw9.tmp.exe (PID: 2128)
Writes file to Word startup folder
- vchdnw9.tmp.exe (PID: 2128)
Renames files like Ransomware
- vchdnw9.tmp.exe (PID: 2128)
Dropped file may contain instructions of ransomware
- vchdnw9.tmp.exe (PID: 2128)
Deletes shadow copies
- cmd.exe (PID: 1152)
Connects to CnC server
- vchdnw9.tmp.exe (PID: 2128)
Changes settings of System certificates
- vchdnw9.tmp.exe (PID: 2128)
GANDCRAB detected
- vchdnw9.tmp.exe (PID: 2128)
SUSPICIOUS
Creates files in the program directory
- vchdnw9.tmp.exe (PID: 2128)
Starts CMD.EXE for commands execution
- vchdnw9.tmp.exe (PID: 2128)
Reads the cookies of Mozilla Firefox
- vchdnw9.tmp.exe (PID: 2128)
Executed as Windows Service
- vssvc.exe (PID: 1792)
Adds / modifies Windows certificates
- vchdnw9.tmp.exe (PID: 2128)
Creates files in the user directory
- vchdnw9.tmp.exe (PID: 2128)
INFO
Dropped object may contain Bitcoin addresses
- vchdnw9.tmp.exe (PID: 2128)
Dropped object may contain TOR URL's
- vchdnw9.tmp.exe (PID: 2128)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (76.4) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (12.4) |
| .exe | | | Generic Win/DOS Executable (5.5) |
| .exe | | | DOS Executable Generic (5.5) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:05:23 20:58:38+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 11 |
| CodeSize: | 352256 |
| InitializedDataSize: | 413184 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x40092 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 4.4.46.9 |
| ProductVersionNumber: | 4.4.46.9 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| FileDescription: | Writer Keys No |
| CompanyName: | Vaidrius Petrauskas |
| FileVersion: | 4.4.46.9 |
| InternalName: | CaldicForward |
| LegalCopyright: | Vaidrius Petrauskas Copyright © 2000 - 2014 KG and its Licensors |
| ProductName: | CaldicForward |
| ProductVersion: | 4.4.46.9 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 23-May-2019 18:58:38 |
| Detected languages: |
|
| Debug artifacts: |
|
| FileDescription: | Writer Keys No |
| CompanyName: | Vaidrius Petrauskas |
| FileVersion: | 4.4.46.9 |
| InternalName: | CaldicForward |
| LegalCopyright: | Vaidrius Petrauskas Copyright © 2000 - 2014 KG and its Licensors |
| ProductName: | CaldicForward |
| ProductVersion: | 4.4.46.9 |
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: | 0x00000108 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 23-May-2019 18:58:38 |
| 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 | 0x00055FEC | 0x00056000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.47722 |
.rdata | 0x00057000 | 0x0001857C | 0x00018600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 6.06068 |
.data | 0x00070000 | 0x00004F40 | 0x00002200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 5.02176 |
.rsrc | 0x00075000 | 0x0003DD44 | 0x0003DE00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 6.60074 |
.reloc | 0x000B3000 | 0x0000C61A | 0x0000C800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 2.52048 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.14578 | 1438 | Latin 1 / Western European | English - United States | RT_MANIFEST |
2 | 4.87396 | 1128 | Latin 1 / Western European | English - United States | RT_ICON |
3 | 3.75805 | 9640 | Latin 1 / Western European | English - United States | RT_ICON |
4 | 4.12649 | 4264 | Latin 1 / Western European | English - United States | RT_ICON |
5 | 2.13143 | 10344 | Latin 1 / Western European | English - United States | RT_ICON |
6 | 3.55616 | 16936 | Latin 1 / Western European | English - United States | RT_ICON |
23 | 6.62651 | 10551 | Latin 1 / Western European | English - United States | 255 |
45 | 6.50754 | 9831 | Latin 1 / Western European | English - United States | 255 |
70 | 6.48958 | 10515 | Latin 1 / Western European | English - United States | SGADER |
101 | 2.80883 | 90 | Latin 1 / Western European | English - United States | RT_GROUP_ICON |
Imports
ADVAPI32.dll |
AVIFIL32.dll |
COMCTL32.dll |
COMDLG32.dll |
GDI32.dll |
KERNEL32.dll |
NETAPI32.dll |
OLEAUT32.dll |
OPENGL32.dll |
PSAPI.DLL |
Total processes
38
Monitored processes
4
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 2128 | "C:\Users\admin\AppData\Local\Temp\vchdnw9.tmp.exe" | C:\Users\admin\AppData\Local\Temp\vchdnw9.tmp.exe | explorer.exe | |
User: admin Company: Vaidrius Petrauskas Integrity Level: MEDIUM Description: Writer Keys No Version: 4.4.46.9 | ||||
| 1152 | "C:\Windows\system32\cmd.exe" /c vssadmin delete shadows /all /quiet | C:\Windows\system32\cmd.exe | vchdnw9.tmp.exe | |
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 3000 | vssadmin delete shadows /all /quiet | C:\Windows\system32\vssadmin.exe | — | cmd.exe |
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Command Line Interface for Microsoft® Volume Shadow Copy Service Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 1792 | C:\Windows\system32\vssvc.exe | C:\Windows\system32\vssvc.exe | — | services.exe |
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Microsoft® Volume Shadow Copy Service Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
144
Read events
97
Write events
0
Delete events
0
Modification events
Executable files
0
Suspicious files
414
Text files
320
Unknown types
15
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2128 | vchdnw9.tmp.exe | C:\Recovery\345b46fe-a9f9-11e7-a83c-e8a4f72b1d33\boot.sdi | — | |
MD5:— | SHA256:— | |||
| 2128 | vchdnw9.tmp.exe | C:\Recovery\345b46fe-a9f9-11e7-a83c-e8a4f72b1d33\Winre.wim.tmoeblommk | — | |
MD5:— | SHA256:— | |||
| 2128 | vchdnw9.tmp.exe | C:\Recovery\345b46fe-a9f9-11e7-a83c-e8a4f72b1d33\Winre.wim | — | |
MD5:— | SHA256:— | |||
| 2128 | vchdnw9.tmp.exe | C:\System Volume Information\SPP\OnlineMetadataCache\{05ed3515-06b3-48f6-8cf2-bf24b1bf0727}_OnDiskSnapshotProp | — | |
MD5:— | SHA256:— | |||
| 2128 | vchdnw9.tmp.exe | C:\System Volume Information\SPP\OnlineMetadataCache\{16d74681-6bc3-4c44-97f0-8b8dfefe2355}_OnDiskSnapshotProp | — | |
MD5:— | SHA256:— | |||
| 2128 | vchdnw9.tmp.exe | C:\System Volume Information\SPP\OnlineMetadataCache\{38e8535f-27d0-4352-aa3a-ce4178930102}_OnDiskSnapshotProp | — | |
MD5:— | SHA256:— | |||
| 2128 | vchdnw9.tmp.exe | C:\System Volume Information\SPP\OnlineMetadataCache\{3cc0f82b-873a-4e59-b89f-689fbdf88af9}_OnDiskSnapshotProp | — | |
MD5:— | SHA256:— | |||
| 2128 | vchdnw9.tmp.exe | C:\System Volume Information\SPP\OnlineMetadataCache\{5c4beaff-a038-4df7-9b35-072a18f8e3d6}_OnDiskSnapshotProp | — | |
MD5:— | SHA256:— | |||
| 2128 | vchdnw9.tmp.exe | C:\MSOCache\TMOEBLOMMK-MANUAL.txt | text | |
MD5:BBFAB2AC2FD361A3C18DD22D44BD75EC | SHA256:671A418677D6A847A86BB9935AE0776C49009B8410005047F4BC1B5C7A9AE051 | |||
| 2128 | vchdnw9.tmp.exe | C:\System Volume Information\SPP\OnlineMetadataCache\{6af49b38-a69b-4427-8e0d-1d7f53ed58e8}_OnDiskSnapshotProp | — | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
2
DNS requests
1
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2128 | vchdnw9.tmp.exe | GET | 301 | 185.52.2.154:80 | http://www.kakaocorp.link/ | NL | html | 162 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 |
|---|---|---|---|---|---|---|
2128 | vchdnw9.tmp.exe | 185.52.2.154:80 | www.kakaocorp.link | RouteLabel V.O.F. | NL | suspicious |
2128 | vchdnw9.tmp.exe | 185.52.2.154:443 | www.kakaocorp.link | RouteLabel V.O.F. | NL | suspicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
www.kakaocorp.link |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2128 | vchdnw9.tmp.exe | A Network Trojan was detected | MALWARE [PTsecurity] Blacklisted GandCrab Ransomware C2 Server |
2128 | vchdnw9.tmp.exe | A Network Trojan was detected | MALWARE [PTsecurity] Blacklisted GandCrab Ransomware C2 Server |
2 ETPRO signatures available at the full report