| File name: | 0f1a532aa02f59cf217ed41399864290 |
| Full analysis: | https://app.any.run/tasks/505a5ada-623f-4ba0-b269-16a0367a115a |
| Verdict: | Malicious activity |
| Threats: | Cobalt Strike is a legitimate penetration software toolkit developed by Forta. But its cracked versions are widely adopted by bad actors, who use it as a C2 system of choice for targeted attacks. |
| Analysis date: | April 13, 2020, 13:46:53 |
| 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: | 0F1A532AA02F59CF217ED41399864290 |
| SHA1: | 1A7D373D0E9F57B7A0F738166A3B4EC7F0750A8E |
| SHA256: | 240A739D90FD17D4EDC8856EE075A85E541984656FB9B7B3049F3BA5AC24BC3D |
| SSDEEP: | 24576:wSJJ5Y0B4IjSRCWJh8a6WbgWXFIE4XsyNYBw9K43pcB0Fwjx3aysk:nHmICLv6QlFIQR43muwjxy |
MALICIOUS
Application was dropped or rewritten from another process
- taskhostw.exe (PID: 3440)
- taskhosta.exe (PID: 1456)
- scaner.exe (PID: 2896)
- start.exe (PID: 2756)
- rundll.exe (PID: 3704)
- system.exe (PID: 3916)
- Eternalblue-2.2.0.exe (PID: 3048)
- system.exe (PID: 3340)
UAC/LUA settings modification
- 0f1a532aa02f59cf217ed41399864290.exe (PID: 2844)
Changes the autorun value in the registry
- taskhostw.exe (PID: 3440)
- 0f1a532aa02f59cf217ed41399864290.exe (PID: 2844)
Disables Windows Defender
- 0f1a532aa02f59cf217ed41399864290.exe (PID: 2844)
COBALTSTRIKE was detected
- taskhosta.exe (PID: 1456)
Loads dropped or rewritten executable
- system.exe (PID: 3916)
- system.exe (PID: 3340)
- Eternalblue-2.2.0.exe (PID: 3048)
SUSPICIOUS
Creates files in the program directory
- 0f1a532aa02f59cf217ed41399864290.exe (PID: 2844)
- taskhostw.exe (PID: 3440)
- start.exe (PID: 2756)
- system.exe (PID: 3916)
- scaner.exe (PID: 2896)
- system.exe (PID: 3340)
Starts SC.EXE for service management
- cmd.exe (PID: 4060)
Starts CMD.EXE for commands execution
- 0f1a532aa02f59cf217ed41399864290.exe (PID: 2844)
- WScript.exe (PID: 1500)
- rundll.exe (PID: 3704)
Executable content was dropped or overwritten
- 0f1a532aa02f59cf217ed41399864290.exe (PID: 2844)
- taskhostw.exe (PID: 3440)
- scaner.exe (PID: 2896)
Reads Internet Cache Settings
- taskhosta.exe (PID: 1456)
- taskhostw.exe (PID: 3440)
- 0f1a532aa02f59cf217ed41399864290.exe (PID: 2844)
Connects to FTP
- taskhostw.exe (PID: 3440)
Connects to unusual port
- taskhostw.exe (PID: 3440)
Executes scripts
- start.exe (PID: 2756)
INFO
No info indicators.
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) (42.2) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (37.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (8.8) |
| .exe | | | Win32 Executable (generic) (6) |
| .exe | | | Generic Win/DOS Executable (2.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:09:11 14:56:42+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 10 |
| CodeSize: | 1506816 |
| InitializedDataSize: | 805888 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x25f4 |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 11-Sep-2019 12:56:42 |
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: | 0x000000F8 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 4 |
| Time date stamp: | 11-Sep-2019 12:56:42 |
| 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 | 0x0016FC98 | 0x0016FE00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.99749 |
.rdata | 0x00171000 | 0x0000283E | 0x00002A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.87416 |
.data | 0x00174000 | 0x000AE80C | 0x00001200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 2.00321 |
.rsrc | 0x00223000 | 0x000121B8 | 0x00012200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 6.18062 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.41136 | 1184 | UNKNOWN | UNKNOWN | RT_MANIFEST |
2 | 6.04821 | 1736 | UNKNOWN | UNKNOWN | RT_ICON |
3 | 5.50974 | 9640 | UNKNOWN | UNKNOWN | RT_ICON |
4 | 5.54673 | 3752 | UNKNOWN | UNKNOWN | RT_ICON |
5 | 5.92382 | 2216 | UNKNOWN | UNKNOWN | RT_ICON |
6 | 5.33568 | 1736 | UNKNOWN | UNKNOWN | RT_ICON |
7 | 4.86489 | 1384 | UNKNOWN | UNKNOWN | RT_ICON |
8 | 5.66055 | 9640 | UNKNOWN | UNKNOWN | RT_ICON |
9 | 5.87127 | 4264 | UNKNOWN | UNKNOWN | RT_ICON |
10 | 5.62446 | 2440 | UNKNOWN | UNKNOWN | RT_ICON |
Imports
ADVAPI32.dll |
KERNEL32.dll |
USER32.dll |
Exports
Title | Ordinal | Address |
|---|---|---|
@calcPrecision@4 | 1 | 0x00001000 |
Total processes
56
Monitored processes
17
Malicious processes
10
Suspicious processes
4
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1456 | C:\ProgramData\install\taskhosta.exe | C:\ProgramData\install\taskhosta.exe | 0f1a532aa02f59cf217ed41399864290.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 1500 | "C:\Windows\System32\WScript.exe" "C:\Programdata\RunDLL\start.vbs" | C:\Windows\System32\WScript.exe | — | start.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft ® Windows Based Script Host Exit code: 0 Version: 5.8.7600.16385 Modules
| |||||||||||||||
| 2756 | C:\ProgramData\RunDLL\start.exe | C:\ProgramData\RunDLL\start.exe | — | taskhostw.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 10 Modules
| |||||||||||||||
| 2844 | "C:\Users\admin\AppData\Local\Temp\0f1a532aa02f59cf217ed41399864290.exe" | C:\Users\admin\AppData\Local\Temp\0f1a532aa02f59cf217ed41399864290.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 2896 | C:\Programdata\WindowsTask\scaner.exe -pnaxui | C:\Programdata\WindowsTask\scaner.exe | taskhostw.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 3048 | Eternalblue-2.2.0.exe --inconfig Eternalblue-2.2.0.xml --NetworkTimeout 60 --TargetIp Scan --TargetPort 445 --Target WIN72K8R2 | C:\Programdata\RunDLL\Eternalblue-2.2.0.exe | — | cmd.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 41 Modules
| |||||||||||||||
| 3220 | C:\Windows\system32\cmd.exe /c "Eternalblue-2.2.0.exe --inconfig Eternalblue-2.2.0.xml --NetworkTimeout 60 --TargetIp Scan --TargetPort 445 --Target WIN72K8R2" | C:\Windows\system32\cmd.exe | — | rundll.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 41 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 3328 | C:\Windows\system32\cmd.exe /c "system.exe TCP 192.168.100.104/16 445 150 /save" | C:\Windows\system32\cmd.exe | — | rundll.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 3340 | system.exe TCP 192.168.100.104/16 445 150 /save | C:\Programdata\RunDLL\system.exe | cmd.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: NT Kernel & System Exit code: 0 Version: 2.5.0 Modules
| |||||||||||||||
| 3440 | C:\ProgramData\RealtekHD\taskhostw.exe | C:\ProgramData\RealtekHD\taskhostw.exe | 0f1a532aa02f59cf217ed41399864290.exe | ||||||||||||
User: admin Integrity Level: HIGH Description: Realtek HD Audio Exit code: 0 Version: 1.0.0.5 Modules
| |||||||||||||||
Total events
300
Read events
215
Write events
85
Delete events
0
Modification events
| (PID) Process: | (2844) 0f1a532aa02f59cf217ed41399864290.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | Realtek HD Audio |
Value: C:\ProgramData\RealtekHD\taskhostw.exe | |||
| (PID) Process: | (2844) 0f1a532aa02f59cf217ed41399864290.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList |
| Operation: | write | Name: | John |
Value: 0 | |||
| (PID) Process: | (2844) 0f1a532aa02f59cf217ed41399864290.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\SOFTWARE\Policies\Microsoft\Windows Defender |
| Operation: | write | Name: | DisableAntiSpyware |
Value: 1 | |||
| (PID) Process: | (2844) 0f1a532aa02f59cf217ed41399864290.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-time Protection |
| Operation: | write | Name: | DisableIOAVProtection |
Value: 1 | |||
| (PID) Process: | (2844) 0f1a532aa02f59cf217ed41399864290.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-time Protection |
| Operation: | write | Name: | DisableBehaviorMonitoring |
Value: 1 | |||
| (PID) Process: | (2844) 0f1a532aa02f59cf217ed41399864290.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-time Protection |
| Operation: | write | Name: | DisableOnAccessProtection |
Value: 1 | |||
| (PID) Process: | (2844) 0f1a532aa02f59cf217ed41399864290.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-time Protection |
| Operation: | write | Name: | DisableRawWriteNotification |
Value: 1 | |||
| (PID) Process: | (2844) 0f1a532aa02f59cf217ed41399864290.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet |
| Operation: | write | Name: | DisableBlockAltFirstSeen |
Value: 1 | |||
| (PID) Process: | (2844) 0f1a532aa02f59cf217ed41399864290.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet |
| Operation: | write | Name: | LocalSettingOverrideSpynetRepting |
Value: 0 | |||
| (PID) Process: | (2844) 0f1a532aa02f59cf217ed41399864290.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Spynet |
| Operation: | write | Name: | SumbitSamplesConsent |
Value: 2 | |||
Executable files
102
Suspicious files
0
Text files
15
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2844 | 0f1a532aa02f59cf217ed41399864290.exe | C:\Programdata\Microsoft\Check\Check.txt | — | |
MD5:— | SHA256:— | |||
| 2844 | 0f1a532aa02f59cf217ed41399864290.exe | C:\Users\admin\AppData\Local\Temp\aut330.tmp | — | |
MD5:— | SHA256:— | |||
| 2844 | 0f1a532aa02f59cf217ed41399864290.exe | C:\Users\admin\AppData\Local\Temp\autB7E.tmp | — | |
MD5:— | SHA256:— | |||
| 2844 | 0f1a532aa02f59cf217ed41399864290.exe | C:\ProgramData\RealtekHD\taskhostw.exe | executable | |
MD5:— | SHA256:— | |||
| 3440 | taskhostw.exe | C:\Programdata\WindowsTask\scaner.exe | executable | |
MD5:— | SHA256:— | |||
| 2896 | scaner.exe | C:\ProgramData\RunDLL\x86.dll | executable | |
MD5:— | SHA256:— | |||
| 2896 | scaner.exe | C:\ProgramData\RunDLL\x64.dll | executable | |
MD5:— | SHA256:— | |||
| 3440 | taskhostw.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\78RFYB7Z\scaner[1].dat | executable | |
MD5:— | SHA256:— | |||
| 2844 | 0f1a532aa02f59cf217ed41399864290.exe | C:\ProgramData\install\taskhosta.exe | executable | |
MD5:— | SHA256:— | |||
| 3440 | taskhostw.exe | C:\Programdata\WindowsTask\scaner.dat | executable | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
8
DNS requests
3
Threats
4
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1456 | taskhosta.exe | GET | 200 | 64.227.8.3:80 | http://64.227.8.3/ptj | US | — | — | malicious |
1456 | taskhosta.exe | GET | 200 | 64.227.8.3:80 | http://64.227.8.3/jdU9 | US | binary | 208 Kb | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
1456 | taskhosta.exe | 64.227.8.3:80 | — | Peer 1 Network (USA) Inc. | US | malicious |
2844 | 0f1a532aa02f59cf217ed41399864290.exe | 88.99.66.31:443 | iplogger.org | Hetzner Online GmbH | DE | malicious |
3440 | taskhostw.exe | 172.86.75.158:21 | — | Host NIT Inc | US | unknown |
3440 | taskhostw.exe | 172.86.75.158:12319 | — | Host NIT Inc | US | unknown |
3440 | taskhostw.exe | 172.86.75.158:12225 | — | Host NIT Inc | US | unknown |
3340 | system.exe | 192.168.1.2:445 | — | — | — | suspicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
iplogger.org |
| shared |
dns.msftncsi.com |
| shared |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1456 | taskhosta.exe | A Network Trojan was detected | MALWARE [PTsecurity] Cobalt Strike Beacon Observed |
3340 | system.exe | Misc activity | ET SCAN Behavioral Unusual Port 445 traffic Potential Scan or Infection |
2 ETPRO signatures available at the full report
Process | Message |
|---|---|
rundll.exe | Python failed to load the default activation context
|