| File name: | Uninstall.exe |
| Full analysis: | https://app.any.run/tasks/0d6f9787-af3f-4171-ad97-e525b95a0d7b |
| Verdict: | Malicious activity |
| Analysis date: | April 25, 2022, 23:21:04 |
| 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: | BD88CD0D27FA7AA46652C5DD8941454B |
| SHA1: | 1748BD49005BA0B8C90E70708779E4442BC4B0BA |
| SHA256: | 27B67AF4650A0BFB2ED0DB836A0034868FFD2DAF871801E4001DDCB9C070ADC7 |
| SSDEEP: | 3072:YfY/TU9fE9PEtuMTo4bJ3emThLANDL7IlQK5HdxJGo:OYa62EEphLWDL7IlQK5jJv |
MALICIOUS
Drops executable file immediately after starts
- Uninstall.exe (PID: 3496)
Tries to delete the host file
- Un_A.exe (PID: 4036)
SUSPICIOUS
Starts itself from another location
- Uninstall.exe (PID: 3496)
Reads the computer name
- Uninstall.exe (PID: 3496)
- Un_A.exe (PID: 4036)
Checks supported languages
- Uninstall.exe (PID: 3496)
- Un_A.exe (PID: 4036)
Drops a file with a compile date too recent
- Uninstall.exe (PID: 3496)
Executable content was dropped or overwritten
- Uninstall.exe (PID: 3496)
Removes files from Windows directory
- Un_A.exe (PID: 4036)
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
| Subsystem: | Windows GUI |
|---|---|
| SubsystemVersion: | 4 |
| ImageVersion: | 6 |
| OSVersion: | 4 |
| EntryPoint: | 0x3640 |
| UninitializedDataSize: | 2048 |
| InitializedDataSize: | 141824 |
| CodeSize: | 26624 |
| LinkerVersion: | 6 |
| PEType: | PE32 |
| TimeStamp: | 2021:09:25 23:56:47+02:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 25-Sep-2021 21:56:47 |
| 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: | 0x000000D8 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 25-Sep-2021 21:56:47 |
| 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 | 0x00006676 | 0x00006800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.41746 |
.rdata | 0x00008000 | 0x0000139A | 0x00001400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.14107 |
.data | 0x0000A000 | 0x00020378 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.11058 |
.ndata | 0x0002B000 | 0x00012000 | 0x00000000 | IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rsrc | 0x0003D000 | 0x00026430 | 0x00026600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.54969 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.28834 | 1070 | UNKNOWN | English - United States | RT_MANIFEST |
2 | 3.97752 | 38056 | UNKNOWN | English - United States | RT_ICON |
3 | 4.03488 | 16936 | UNKNOWN | English - United States | RT_ICON |
4 | 4.07699 | 9640 | UNKNOWN | English - United States | RT_ICON |
5 | 4.26781 | 4264 | UNKNOWN | English - United States | RT_ICON |
6 | 4.7638 | 2440 | UNKNOWN | English - United States | RT_ICON |
7 | 5.30208 | 1128 | UNKNOWN | English - United States | RT_ICON |
103 | 3.0112 | 104 | UNKNOWN | English - United States | RT_GROUP_ICON |
105 | 2.67385 | 512 | UNKNOWN | English - United States | RT_DIALOG |
106 | 2.91148 | 248 | UNKNOWN | English - United States | RT_DIALOG |
Imports
ADVAPI32.dll |
COMCTL32.dll |
GDI32.dll |
KERNEL32.dll |
SHELL32.dll |
USER32.dll |
ole32.dll |
Total processes
38
Monitored processes
3
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1560 | "C:\Windows\Uninstall.exe" | C:\Windows\Uninstall.exe | — | Explorer.EXE | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 3221226540 Modules
| |||||||||||||||
| 3496 | "C:\Windows\Uninstall.exe" | C:\Windows\Uninstall.exe | Explorer.EXE | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 4036 | "C:\Users\admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Windows\ | C:\Users\admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe | — | Uninstall.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
Total events
763
Read events
761
Write events
2
Delete events
0
Modification events
| (PID) Process: | (3496) Uninstall.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager |
| Operation: | write | Name: | PendingFileRenameOperations |
Value: \??\C:\Users\admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe | |||
Executable files
1
Suspicious files
2
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3496 | Uninstall.exe | C:\Users\admin\AppData\Local\Temp\nsk8F91.tmp | binary | |
MD5:— | SHA256:— | |||
| 4036 | Un_A.exe | C:\Users\admin\AppData\Local\Temp\nsa903D.tmp | binary | |
MD5:— | SHA256:— | |||
| 4036 | Un_A.exe | C:\Users\admin\AppData\Local\Temp\nsp904D.tmp\modern-header.bmp | image | |
MD5:459A7337A5C6FF6A14750524BF016517 | SHA256:1240717FEC5B759D435C9A937EE499265ABFC0DF87F2962685F47B8E753A4254 | |||
| 3496 | Uninstall.exe | C:\Users\admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe | executable | |
MD5:BD88CD0D27FA7AA46652C5DD8941454B | SHA256:27B67AF4650A0BFB2ED0DB836A0034868FFD2DAF871801E4001DDCB9C070ADC7 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report