| File name: | uninst.exe |
| Full analysis: | https://app.any.run/tasks/3a904715-c4d9-477f-8363-87ef9b8c406c |
| Verdict: | Malicious activity |
| Analysis date: | February 25, 2021, 01:34:24 |
| 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: | EDD26C5C88150AECB94E217135DAEBBB |
| SHA1: | F9CF78BB7AAE87CACB0B9C428811E64B83ECB33B |
| SHA256: | F28ACFEB40FB5C1F5502E863767F669AF40A62C96185F2F913410B4D62AA37F0 |
| SSDEEP: | 1536:judZEszWriITJGrvopX1VF7CXjl7yTqkSZZZ3gURD8ib8m+LGiqiS:jRszWOITsEL50jl7yJUNRD5bwL3S |
MALICIOUS
Loads dropped or rewritten executable
- Au_.exe (PID: 2944)
Drops executable file immediately after starts
- uninst.exe (PID: 3832)
Registers / Runs the DLL via REGSVR32.EXE
- Au_.exe (PID: 2944)
SUSPICIOUS
Executable content was dropped or overwritten
- Au_.exe (PID: 2944)
- uninst.exe (PID: 3832)
Starts itself from another location
- uninst.exe (PID: 3832)
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: | 2010:04:10 14:19:38+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 9 |
| CodeSize: | 26624 |
| InitializedDataSize: | 475136 |
| UninitializedDataSize: | 16896 |
| EntryPoint: | 0x3415 |
| OSVersion: | 5 |
| ImageVersion: | 6 |
| SubsystemVersion: | 5 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 3.4.0.6 |
| ProductVersionNumber: | 3.4.0.6 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| CompanyName: | CFCA |
| FileDescription: | CFCA Crypto Kit IE ActiveX |
| FileVersion: | 3.4.0.6 |
| LegalCopyright: | Copyright(C) 2011 CFCA |
| ProductName: | CryptoKit.CertEnrollment.BOC.x86 |
| ProductVersion: | 3.4.0.6 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 10-Apr-2010 12:19:38 |
| Detected languages: |
|
| CompanyName: | CFCA |
| FileDescription: | CFCA Crypto Kit IE ActiveX |
| FileVersion: | 3.4.0.6 |
| LegalCopyright: | Copyright(C) 2011 CFCA |
| ProductName: | CryptoKit.CertEnrollment.BOC.x86 |
| ProductVersion: | 3.4.0.6 |
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: | 0x000000E0 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 10-Apr-2010 12:19:38 |
| 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 | 0x0000671C | 0x00006800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.50461 |
.rdata | 0x00008000 | 0x000019D6 | 0x00001A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.02684 |
.data | 0x0000A000 | 0x0007139C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 1.73601 |
.ndata | 0x0007C000 | 0x000D1000 | 0x00000000 | IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rsrc | 0x0014D000 | 0x00007450 | 0x00007600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.7035 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.21494 | 966 | UNKNOWN | English - United States | RT_MANIFEST |
2 | 5.6303 | 4264 | UNKNOWN | English - United States | RT_ICON |
3 | 6.5168 | 3752 | UNKNOWN | English - United States | RT_ICON |
4 | 6.72637 | 2216 | UNKNOWN | English - United States | RT_ICON |
5 | 3.68656 | 1640 | UNKNOWN | English - United States | RT_ICON |
6 | 5.62942 | 1384 | UNKNOWN | English - United States | RT_ICON |
7 | 6.07002 | 1128 | UNKNOWN | English - United States | RT_ICON |
8 | 3.89724 | 744 | UNKNOWN | English - United States | RT_ICON |
9 | 3.70745 | 296 | UNKNOWN | English - United States | RT_ICON |
103 | 2.89097 | 132 | UNKNOWN | English - United States | RT_GROUP_ICON |
Imports
ADVAPI32.dll |
COMCTL32.dll |
GDI32.dll |
KERNEL32.dll |
SHELL32.dll |
USER32.dll |
VERSION.dll |
ole32.dll |
Total processes
42
Monitored processes
4
Malicious processes
0
Suspicious processes
2
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2340 | "C:\Users\admin\AppData\Local\Temp\uninst.exe" | C:\Users\admin\AppData\Local\Temp\uninst.exe | — | explorer.exe | |||||||||||
User: admin Company: CFCA Integrity Level: MEDIUM Description: CFCA Crypto Kit IE ActiveX Exit code: 3221226540 Version: 3.4.0.6 Modules
| |||||||||||||||
| 2668 | "C:\Windows\system32\regsvr32.exe" /u "C:\Windows\system32\CryptoKit.CertEnrollment.BOC.x86.dll" /s | C:\Windows\system32\regsvr32.exe | — | Au_.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft(C) Register Server Exit code: 3 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2944 | "C:\Users\admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\admin\AppData\Local\Temp\ | C:\Users\admin\AppData\Local\Temp\~nsu.tmp\Au_.exe | uninst.exe | ||||||||||||
User: admin Company: CFCA Integrity Level: HIGH Description: CFCA Crypto Kit IE ActiveX Exit code: 0 Version: 3.4.0.6 Modules
| |||||||||||||||
| 3832 | "C:\Users\admin\AppData\Local\Temp\uninst.exe" | C:\Users\admin\AppData\Local\Temp\uninst.exe | explorer.exe | ||||||||||||
User: admin Company: CFCA Integrity Level: HIGH Description: CFCA Crypto Kit IE ActiveX Exit code: 0 Version: 3.4.0.6 Modules
| |||||||||||||||
Total events
677
Read events
669
Write events
8
Delete events
0
Modification events
| (PID) Process: | (3832) uninst.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager |
| Operation: | write | Name: | PendingFileRenameOperations |
Value: \??\C:\Users\admin\AppData\Local\Temp\~nsu.tmp\Au_.exe | |||
| (PID) Process: | (2944) Au_.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager |
| Operation: | write | Name: | PendingFileRenameOperations |
Value: \??\C:\Users\admin\AppData\Local\Temp\~nsu.tmp\Au_.exe | |||
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3832 | uninst.exe | C:\Users\admin\AppData\Local\Temp\~nsu.tmp\Au_.exe | executable | |
MD5:— | SHA256:— | |||
| 2944 | Au_.exe | C:\Users\admin\AppData\Local\Temp\nsbD01A.tmp\System.dll | executable | |
MD5:959EA64598B9A3E494C00E8FA793BE7E | SHA256:03CD57AB00236C753E7DDEEE8EE1C10839ACE7C426769982365531042E1F6F8B | |||
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