| File name: | Purchase Order CTPO18542#.iso.exe |
| Full analysis: | https://app.any.run/tasks/0784e431-98dc-4057-a8c3-48e4884b8805 |
| Verdict: | Malicious activity |
| Threats: | Agent Tesla is spyware that collects information about the actions of its victims by recording keystrokes and user interactions. It is falsely marketed as a legitimate software on the dedicated website where this malware is sold. |
| Analysis date: | January 17, 2020, 17:07:23 |
| 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 |
| MD5: | 1B25035FD4FC5B6F627AAC093BEAFF37 |
| SHA1: | 7028D353A1EF5A6B450FE82ADAEFE9002E3C8A20 |
| SHA256: | 0D19505220947D04C72DA6486C16E51061244A3691C869637894A8283884A59F |
| SSDEEP: | 24576:su6J33O0c+JY5UZ+XC0kGso6FaBPP7R6ycvS2UHRXnNDZOs+bKDieVNHWY:2u0c++OCvkGs9FaBV0q3d4b7Y |
MALICIOUS
Application was dropped or rewritten from another process
- RegAsm.exe (PID: 1880)
Changes the autorun value in the registry
- RegAsm.exe (PID: 1880)
AGENTTESLA detected
- RegAsm.exe (PID: 1880)
Actions looks like stealing of personal data
- RegAsm.exe (PID: 1880)
SUSPICIOUS
Executable content was dropped or overwritten
- RegAsm.exe (PID: 1880)
Connects to SMTP port
- RegAsm.exe (PID: 1880)
Creates files in the user directory
- RegAsm.exe (PID: 1880)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (64.6) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (15.4) |
| .exe | | | Win32 Executable (generic) (10.5) |
| .exe | | | Generic Win/DOS Executable (4.6) |
| .exe | | | DOS Executable Generic (4.6) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2020:01:14 09:51:08+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 12 |
| CodeSize: | 581120 |
| InitializedDataSize: | 962048 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x27dcd |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 0.0.0.0 |
| ProductVersionNumber: | 0.0.0.0 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (British) |
| CharacterSet: | Unicode |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 14-Jan-2020 08:51:08 |
| 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: | 0x00000110 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 14-Jan-2020 08:51:08 |
| 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 | 0x0008DCC4 | 0x0008DE00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.67612 |
.rdata | 0x0008F000 | 0x0002E10E | 0x0002E200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.76011 |
.data | 0x000BE000 | 0x00008F74 | 0x00005200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 1.19875 |
.rsrc | 0x000C7000 | 0x000B07B0 | 0x000B0800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 7.96201 |
.reloc | 0x00178000 | 0x0000711C | 0x00007200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.77903 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.40026 | 1007 | Latin 1 / Western European | English - United Kingdom | RT_MANIFEST |
2 | 2.05883 | 296 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
3 | 2.25499 | 296 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
4 | 3.65355 | 744 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
5 | 3.43704 | 296 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
6 | 4.16139 | 3752 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
7 | 3.34702 | 1428 | Latin 1 / Western European | English - United Kingdom | RT_STRING |
8 | 3.2817 | 1674 | Latin 1 / Western European | English - United Kingdom | RT_STRING |
9 | 3.28849 | 1168 | Latin 1 / Western European | English - United Kingdom | RT_STRING |
10 | 3.28373 | 1532 | Latin 1 / Western European | English - United Kingdom | RT_STRING |
Imports
ADVAPI32.dll |
COMCTL32.dll |
COMDLG32.dll |
GDI32.dll |
IPHLPAPI.DLL |
KERNEL32.dll |
MPR.dll |
OLEAUT32.dll |
PSAPI.DLL |
SHELL32.dll |
Total processes
36
Monitored processes
2
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1880 | "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | Purchase Order CTPO18542#.iso.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Assembly Registration Utility Exit code: 0 Version: 2.0.50727.5420 (Win7SP1.050727-5400) Modules
| |||||||||||||||
| 2720 | "C:\Users\admin\AppData\Local\Temp\Purchase Order CTPO18542#.iso.exe" | C:\Users\admin\AppData\Local\Temp\Purchase Order CTPO18542#.iso.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
Total events
76
Read events
60
Write events
16
Delete events
0
Modification events
| (PID) Process: | (1880) RegAsm.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | hcyyhPhE |
Value: C:\Users\admin\AppData\Roaming\PmnIRMv\sVfkj.exe | |||
| (PID) Process: | (1880) RegAsm.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (1880) RegAsm.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\p2pcollab.dll,-8042 |
Value: Peer to Peer Trust | |||
| (PID) Process: | (1880) RegAsm.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\qagentrt.dll,-10 |
Value: System Health Authentication | |||
| (PID) Process: | (1880) RegAsm.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\dnsapi.dll,-103 |
Value: Domain Name System (DNS) Server Trust | |||
| (PID) Process: | (1880) RegAsm.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\System32\fveui.dll,-843 |
Value: BitLocker Drive Encryption | |||
| (PID) Process: | (1880) RegAsm.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\System32\fveui.dll,-844 |
Value: BitLocker Data Recovery Agent | |||
Executable files
1
Suspicious files
0
Text files
0
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1880 | RegAsm.exe | C:\Users\admin\AppData\Local\Temp\f84b3c21-f03a-4727-8dad-2153fb60be17 | sqlite | |
MD5:— | SHA256:— | |||
| 1880 | RegAsm.exe | C:\Users\admin\AppData\Roaming\PmnIRMv\sVfkj.exe | executable | |
MD5:278EDBD499374BF73621F8C1F969D894 | SHA256:C6999B9F79932C3B4F1C461A69D9DC8DC301D6A155ABC33EFE1B6E9E4A038391 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
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 |
|---|---|---|---|---|---|---|
1880 | RegAsm.exe | 77.88.21.158:587 | smtp.yandex.com | YANDEX LLC | RU | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
smtp.yandex.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1880 | RegAsm.exe | Generic Protocol Command Decode | SURICATA Applayer Detect protocol only one direction |