| File name: | conhost.exe |
| Full analysis: | https://app.any.run/tasks/f15db5e2-d48e-4343-a539-94ebf8658b08 |
| Verdict: | Malicious activity |
| Analysis date: | December 02, 2023, 16:47:54 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | MS-DOS executable PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 144C9D72C4ABF8F3F052929522749DC5 |
| SHA1: | B3172F803604089A2DAE8296D00D5E60BA394F4C |
| SHA256: | 45081E83D7D860FC7316761A9F88B5F0B607FF6500683E500B18551FA95AD048 |
| SSDEEP: | 12288:PJ7Cr3m/xK0t3LMbod6oCZEhcg6zf3f1d:PJ7Cr3m/PuodBKEhc5zVd |
MALICIOUS
Drops the executable file immediately after the start
- conhost.exe (PID: 2144)
- zyersydiabb.exe (PID: 3976)
- WinMail.exe (PID: 1152)
Scans artifacts that could help determine the target
- WinMail.exe (PID: 1152)
Runs injected code in another process
- zyersydiabb.exe (PID: 3976)
Application was injected by another process
- dwm.exe (PID: 932)
Actions looks like stealing of personal data
- dwm.exe (PID: 932)
SUSPICIOUS
Process drops legitimate windows executable
- conhost.exe (PID: 2144)
- zyersydiabb.exe (PID: 3976)
Starts itself from another location
- conhost.exe (PID: 2144)
Reads Internet Explorer settings
- WinMail.exe (PID: 1152)
Reads Microsoft Outlook installation path
- WinMail.exe (PID: 1152)
Reads security settings of Internet Explorer
- WinMail.exe (PID: 1152)
Reads settings of System Certificates
- WinMail.exe (PID: 1152)
Drops a self-deleting batch file
- conhost.exe (PID: 2144)
Starts CMD.EXE for commands execution
- conhost.exe (PID: 2144)
Reads the Internet Settings
- dwm.exe (PID: 932)
- conhost.exe (PID: 2144)
- WinMail.exe (PID: 1152)
- cmd.exe (PID: 2696)
Executing commands from a ".bat" file
- conhost.exe (PID: 2144)
Detected use of alternative data streams (AltDS)
- WinMail.exe (PID: 1152)
Checks Windows Trust Settings
- WinMail.exe (PID: 1152)
INFO
Create files in a temporary directory
- conhost.exe (PID: 2144)
- zyersydiabb.exe (PID: 3976)
- WinMail.exe (PID: 1152)
Reads the computer name
- conhost.exe (PID: 2144)
- zyersydiabb.exe (PID: 3976)
- WinMail.exe (PID: 1152)
Checks supported languages
- conhost.exe (PID: 2144)
- zyersydiabb.exe (PID: 3976)
- WinMail.exe (PID: 1152)
Creates files or folders in the user directory
- conhost.exe (PID: 2144)
- WinMail.exe (PID: 1152)
Reads the machine GUID from the registry
- WinMail.exe (PID: 1152)
- conhost.exe (PID: 2144)
Checks proxy server information
- WinMail.exe (PID: 1152)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable (generic) (42.5) |
|---|---|---|
| .exe | | | DOS Executable Borland Pascal 7.0x (19.2) |
| .exe | | | Generic Win/DOS Executable (18.8) |
| .exe | | | DOS Executable Generic (18.8) |
| .vxd | | | VXD Driver (0.2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2015:10:12 17:42:38+02:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 10 |
| CodeSize: | 255488 |
| InitializedDataSize: | 22528 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x3f4d4 |
| OSVersion: | 5.1 |
| ImageVersion: | 1 |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
Total processes
45
Monitored processes
5
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 932 | "C:\Windows\system32\Dwm.exe" | C:\Windows\System32\dwm.exe | svchost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Desktop Window Manager Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1152 | "C:\Program Files\Windows Mail\WinMail.exe" -Embedding | C:\Program Files\Windows Mail\WinMail.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Mail Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2144 | "C:\Users\admin\AppData\Local\Temp\conhost.exe" | C:\Users\admin\AppData\Local\Temp\conhost.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2696 | "C:\Windows\system32\cmd.exe" /c "C:\Users\admin\AppData\Local\Temp\tmpdb7d2ac7.bat" | C:\Windows\System32\cmd.exe | — | conhost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 3976 | "C:\Users\admin\AppData\Roaming\Myokuhesism\zyersydiabb.exe" | C:\Users\admin\AppData\Roaming\Myokuhesism\zyersydiabb.exe | — | conhost.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
Total events
4 547
Read events
4 507
Write events
34
Delete events
6
Modification events
| (PID) Process: | (1152) WinMail.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows Mail |
| Operation: | write | Name: | StoreMigratedV5 |
Value: 1 | |||
| (PID) Process: | (1152) WinMail.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows Mail |
| Operation: | write | Name: | Settings Upgraded |
Value: 10 | |||
| (PID) Process: | (1152) WinMail.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\IAM |
| Operation: | write | Name: | Server ID |
Value: 2 | |||
| (PID) Process: | (1152) WinMail.exe | Key: | HKEY_CURRENT_USER\Identities |
| Operation: | write | Name: | Identity Ordinal |
Value: 2 | |||
| (PID) Process: | (1152) WinMail.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows Mail |
| Operation: | write | Name: | LastBackup |
Value: E1070A0004000500090014000400CA01 | |||
| (PID) Process: | (1152) WinMail.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\IAM |
| Operation: | write | Name: | Default News Account |
Value: account{30CE7C98-AA27-4327-91CA-78FA20FFA850}.oeaccount | |||
| (PID) Process: | (1152) WinMail.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\WAB |
| Operation: | delete value | Name: | NamedProps |
Value: 0420060000000000C00000000000004604000000000000800E0000000100330032003800350034000000000001800E0000000100330032003800350035000000000002800E0000000100330032003800350036000000000003800E0000000100330032003800350037000000 | |||
| (PID) Process: | (1152) WinMail.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\WAB |
| Operation: | delete value | Name: | NamedPropCount |
Value: 1 | |||
| (PID) Process: | (1152) WinMail.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\WAB |
| Operation: | delete value | Name: | NamedProps |
Value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| |||
| (PID) Process: | (1152) WinMail.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\WAB |
| Operation: | delete value | Name: | NamedPropCount |
Value: 2 | |||
Executable files
6
Suspicious files
19
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3976 | zyersydiabb.exe | C:\Users\admin\AppData\Local\Temp\tmp7BDB.tmp | executable | |
MD5:EBB2B4FD62087283D9448F7F8796727D | SHA256:9C9EA64C0D56BF17D388C58B36AB7A79CA6AA74446B6DD2F614F5CBF9D828529 | |||
| 3976 | zyersydiabb.exe | C:\Users\admin\AppData\Local\Temp\tmp7BFB.tmp | executable | |
MD5:BFCB6AA8CEC2B46A696D9573BC3590B9 | SHA256:14C770C42C2AB9383540AF594CC546E6BEFEE0AFCCD48B4A24A9D8687711D689 | |||
| 1152 | WinMail.exe | C:\Users\admin\AppData\Local\Microsoft\Windows Mail\Local Folders\Sent Items\winmail.fol | binary | |
MD5:1D1A60631EFCF505795FB06471CB6A48 | SHA256:87EED194D869F1DEC6EBF639E985101ABAD37F6E5A347237A1B056B2DCBFC481 | |||
| 1152 | WinMail.exe | C:\Users\admin\AppData\Local\Microsoft\Windows Mail\WindowsMail.MSMessageStore | binary | |
MD5:47618B0406DA5BC324763E00D4A0CB93 | SHA256:0AE27C8570E08B362D07E902E634CA1C33E921A3C3EBC625E8B5DF0271BDDF60 | |||
| 1152 | WinMail.exe | C:\Users\admin\AppData\Local\Microsoft\Windows Mail\Local Folders\Outbox\winmail.fol | binary | |
MD5:9EF0149FAEFF67AA41DA62C9A4B3226C | SHA256:4B8D7DCC16F962586F50184B40E8AD4D2B6E1980ECCACE178BC4B4D645751E49 | |||
| 2144 | conhost.exe | C:\Users\admin\AppData\Local\Temp\tmp70A1.tmp | executable | |
MD5:BFCB6AA8CEC2B46A696D9573BC3590B9 | SHA256:14C770C42C2AB9383540AF594CC546E6BEFEE0AFCCD48B4A24A9D8687711D689 | |||
| 1152 | WinMail.exe | C:\Users\admin\AppData\Local\Microsoft\Windows Mail\edb.chk | binary | |
MD5:073F2394E22872C8AAC474B7F40802B5 | SHA256:EBF080E39266A308FFF262BB8F076F741F434CF1F6CA1A796A31495B389B63F3 | |||
| 1152 | WinMail.exe | C:\Users\admin\AppData\Local\Microsoft\Windows Mail\Backup\temp\WindowsMail.pat | binary | |
MD5:01D9836C4D2F53F64107614BE90ADB99 | SHA256:27B14F8CD89FA2C2F17D7570B08415D0B1AE79239A55757A7E3B049600C072A1 | |||
| 1152 | WinMail.exe | C:\Users\admin\AppData\Local\Microsoft\Windows Mail\edb00002.log | binary | |
MD5:D5FED0D952B448322A924A0064B3A38B | SHA256:4A087BA30C6AD95313C19A956D25875563A49328F71A4B3259B68959903F7AD2 | |||
| 1152 | WinMail.exe | C:\Users\admin\AppData\Local\Microsoft\Windows Mail\edbtmp.log | binary | |
MD5:07AE2538251773F3825975F7EE7E6270 | SHA256:93087DEE00D614C2629CEF76D0FD5ABE6A71C07435885B937C6A3136A373A9FB | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
DNS requests
1
Threats
1
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2588 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
zloy1312.tk |
| unknown |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1080 | svchost.exe | Potentially Bad Traffic | ET DNS Query to a .tk domain - Likely Hostile |