| File name: | drvinst.exe |
| Full analysis: | https://app.any.run/tasks/8c52c266-1ed3-4bbe-861a-3bafee864c68 |
| Verdict: | Malicious activity |
| Threats: | Emotet is one of the most dangerous trojans ever created. Over the course of its lifetime, it was upgraded to become a very destructive malware. It targets mostly corporate victims but even private users get infected in mass spam email campaigns. |
| Analysis date: | October 15, 2020, 05:24:26 |
| 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: | 8BEA0B96C2CAACF1DBF9F3941E353230 |
| SHA1: | D3614546125E8DE2E4B0D65DE72AFB7A94130E78 |
| SHA256: | ED53A95B3C020987EA3E0D4C0CD8B6306D9C49C3719A5B394FC30491B0B7C5CC |
| SSDEEP: | 6144:0sePGThcirJtiBR7OJuzJKuuVV9C9pkZe:04rTG81Z |
MALICIOUS
EMOTET was detected
- msmpeg2adec.exe (PID: 3320)
Changes the autorun value in the registry
- msmpeg2adec.exe (PID: 3320)
Connects to CnC server
- msmpeg2adec.exe (PID: 3320)
SUSPICIOUS
Starts itself from another location
- drvinst.exe (PID: 2488)
Executable content was dropped or overwritten
- drvinst.exe (PID: 2488)
Reads Internet Cache Settings
- msmpeg2adec.exe (PID: 3320)
Connects to server without host name
- msmpeg2adec.exe (PID: 3320)
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: | 2020:10:14 22:15:46+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 9 |
| CodeSize: | 129536 |
| InitializedDataSize: | 197120 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xfc8b |
| OSVersion: | 5 |
| ImageVersion: | - |
| SubsystemVersion: | 5 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.1 |
| ProductVersionNumber: | 1.0.0.1 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| CompanyName: | - |
| FileDescription: | ColorBoxSample MFC Application |
| FileVersion: | 1, 0, 0, 1 |
| InternalName: | ColorBoxSample |
| LegalCopyright: | Copyright (C) 2004 |
| LegalTrademarks: | - |
| OriginalFileName: | ColorBoxSample.EXE |
| ProductName: | ColorBoxSample Application |
| ProductVersion: | 1, 0, 0, 1 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 14-Oct-2020 20:15:46 |
| Detected languages: |
|
| CompanyName: | - |
| FileDescription: | ColorBoxSample MFC Application |
| FileVersion: | 1, 0, 0, 1 |
| InternalName: | ColorBoxSample |
| LegalCopyright: | Copyright (C) 2004 |
| LegalTrademarks: | - |
| OriginalFilename: | ColorBoxSample.EXE |
| ProductName: | ColorBoxSample Application |
| ProductVersion: | 1, 0, 0, 1 |
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: | 0x000000F0 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 14-Oct-2020 20:15:46 |
| 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 | 0x0001F8DB | 0x0001FA00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.61001 |
.rdata | 0x00021000 | 0x0000805C | 0x00008200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.14986 |
.data | 0x0002A000 | 0x00005BFC | 0x00002200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.9736 |
.rsrc | 0x00030000 | 0x0001E83B | 0x0001EA00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 7.82693 |
.reloc | 0x0004F000 | 0x0000721C | 0x00007400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 2.6985 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 4.79597 | 346 | Latin 1 / Western European | English - United States | RT_MANIFEST |
2 | 2.56565 | 296 | Latin 1 / Western European | Swedish - Sweden | RT_ICON |
3 | 3.02695 | 308 | Latin 1 / Western European | English - United States | RT_CURSOR |
4 | 2.74274 | 180 | Latin 1 / Western European | English - United States | RT_CURSOR |
5 | 2.34038 | 308 | Latin 1 / Western European | English - United States | RT_CURSOR |
6 | 2.34004 | 308 | Latin 1 / Western European | English - United States | RT_CURSOR |
7 | 2.51649 | 308 | Latin 1 / Western European | English - United States | RT_CURSOR |
8 | 2.45401 | 308 | Latin 1 / Western European | English - United States | RT_CURSOR |
9 | 2.34864 | 308 | Latin 1 / Western European | English - United States | RT_CURSOR |
10 | 2.34505 | 308 | Latin 1 / Western European | English - United States | RT_CURSOR |
Imports
ADVAPI32.dll |
GDI32.dll |
KERNEL32.dll |
OLEACC.dll |
OLEAUT32.dll |
SHLWAPI.dll |
USER32.dll |
WINSPOOL.DRV |
Total processes
37
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2488 | "C:\Users\admin\AppData\Local\Temp\drvinst.exe" | C:\Users\admin\AppData\Local\Temp\drvinst.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: ColorBoxSample MFC Application Exit code: 0 Version: 1, 0, 0, 1 Modules
| |||||||||||||||
| 3320 | "C:\Users\admin\AppData\Local\msjter40\msmpeg2adec.exe" | C:\Users\admin\AppData\Local\msjter40\msmpeg2adec.exe | drvinst.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: ColorBoxSample MFC Application Exit code: 0 Version: 1, 0, 0, 1 Modules
| |||||||||||||||
Total events
69
Read events
63
Write events
6
Delete events
0
Modification events
| (PID) Process: | (3320) msmpeg2adec.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (3320) msmpeg2adec.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (3320) msmpeg2adec.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (3320) msmpeg2adec.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings |
| Operation: | write | Name: | ProxyEnable |
Value: 0 | |||
| (PID) Process: | (3320) msmpeg2adec.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections |
| Operation: | write | Name: | SavedLegacySettings |
Value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| |||
| (PID) Process: | (3320) msmpeg2adec.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | msmpeg2adec |
Value: "C:\Users\admin\AppData\Local\msjter40\msmpeg2adec.exe" | |||
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2488 | drvinst.exe | C:\Users\admin\AppData\Local\msjter40\msmpeg2adec.exe | executable | |
MD5:8BEA0B96C2CAACF1DBF9F3941E353230 | SHA256:ED53A95B3C020987EA3E0D4C0CD8B6306D9C49C3719A5B394FC30491B0B7C5CC | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
1
DNS requests
0
Threats
1
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3320 | msmpeg2adec.exe | POST | 200 | 125.200.20.233:80 | http://125.200.20.233/H1juKs0V8/v0SgdqZTWBkk/ | JP | binary | 132 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 |
|---|---|---|---|---|---|---|
3320 | msmpeg2adec.exe | 125.200.20.233:80 | — | NTT Communications Corporation | JP | malicious |
DNS requests
Threats
1 ETPRO signatures available at the full report