download: | unnasce.exe |
Full analysis: | https://app.any.run/tasks/c894f5ef-5403-4448-9c2b-baddfdd927b5 |
Verdict: | Malicious activity |
Threats: | GuLoader is an advanced downloader written in shellcode. It’s used by criminals to distribute other malware, notably trojans, on a large scale. It’s infamous for using anti-detection and anti-analysis capabilities. |
Analysis date: | May 30, 2020, 06:55:39 |
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: | E187A97CA62429D4D61437A83EEE308D |
SHA1: | 0A8888839BDD99C2E0875949373B66205AD93E69 |
SHA256: | 7CA90C14BD5ED0EED66F26051883A84EAA393BF51B1C1C877B2D98325342EF9F |
SSDEEP: | 1536:JZDJ/aowEGVQETCg5DAE9u3big3e/ngtIegFg:fDkcKQKp03GxCp |
.exe | | | Win32 Executable Microsoft Visual Basic 6 (90.6) |
---|---|---|
.exe | | | Win32 Executable (generic) (4.9) |
.exe | | | Generic Win/DOS Executable (2.2) |
.exe | | | DOS Executable Generic (2.2) |
MachineType: | Intel 386 or later, and compatibles |
---|---|
TimeStamp: | 2015:03:31 07:19:43+02:00 |
PEType: | PE32 |
LinkerVersion: | 6 |
CodeSize: | 167936 |
InitializedDataSize: | 8192 |
UninitializedDataSize: | - |
EntryPoint: | 0x1474 |
OSVersion: | 4 |
ImageVersion: | 1 |
SubsystemVersion: | 4 |
Subsystem: | Windows GUI |
FileVersionNumber: | 1.0.0.0 |
ProductVersionNumber: | 1.0.0.0 |
FileFlagsMask: | 0x0000 |
FileFlags: | (none) |
FileOS: | Win32 |
ObjectFileType: | Executable application |
FileSubtype: | - |
LanguageCode: | English (U.S.) |
CharacterSet: | Unicode |
Comments: | Harleem |
CompanyName: | Harleem |
FileDescription: | supp |
ProductName: | LANGUE |
FileVersion: | 1 |
ProductVersion: | 1 |
InternalName: | unnasce |
OriginalFileName: | unnasce.exe |
Architecture: | IMAGE_FILE_MACHINE_I386 |
---|---|
Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
Compilation Date: | 31-Mar-2015 05:19:43 |
Detected languages: |
|
Comments: | Harleem |
CompanyName: | Harleem |
FileDescription: | supp |
ProductName: | LANGUE |
FileVersion: | 1.00 |
ProductVersion: | 1.00 |
InternalName: | unnasce |
OriginalFilename: | unnasce.exe |
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: | 0x000000B8 |
Signature: | PE |
---|---|
Machine: | IMAGE_FILE_MACHINE_I386 |
Number of sections: | 3 |
Time date stamp: | 31-Mar-2015 05:19:43 |
Pointer to Symbol Table: | 0x00000000 |
Number of symbols: | 0 |
Size of Optional Header: | 0x00E0 |
Characteristics: |
|
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
---|---|---|---|---|---|
.text | 0x00001000 | 0x000281C0 | 0x00029000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 3.54331 |
.data | 0x0002A000 | 0x00000B28 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rsrc | 0x0002B000 | 0x00000924 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 1.98008 |
Title | Entropy | Size | Codepage | Language | Type |
---|---|---|---|---|---|
1 | 3.15904 | 612 | Unicode (UTF 16LE) | English - United States | RT_VERSION |
30001 | 2.57965 | 304 | Unicode (UTF 16LE) | UNKNOWN | RT_ICON |
30002 | 1.76987 | 744 | Unicode (UTF 16LE) | UNKNOWN | RT_ICON |
30003 | 2.07177 | 296 | Unicode (UTF 16LE) | UNKNOWN | RT_ICON |
MSVBVM60.DLL |
PID | CMD | Path | Indicators | Parent process |
---|---|---|---|---|
1216 | "C:\Users\admin\AppData\Local\Temp\unnasce.exe" | C:\Users\admin\AppData\Local\Temp\unnasce.exe | — | explorer.exe |
User: admin Company: Harleem Integrity Level: MEDIUM Description: supp Exit code: 0 Version: 1.00 | ||||
1748 | "C:\Users\admin\AppData\Local\Temp\unnasce.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | unnasce.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Assembly Registration Utility Version: 2.0.50727.5420 (Win7SP1.050727-5400) |
(PID) Process: | (1748) RegAsm.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings |
Operation: | write | Name: | ProxyEnable |
Value: 0 | |||
(PID) Process: | (1748) RegAsm.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections |
Operation: | write | Name: | SavedLegacySettings |
Value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| |||
(PID) Process: | (1748) RegAsm.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
(PID) Process: | (1748) RegAsm.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
Operation: | write | Name: | AutoDetect |
Value: 1 | |||
(PID) Process: | (1748) RegAsm.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
Operation: | write | Name: | CachePrefix |
Value: | |||
(PID) Process: | (1748) RegAsm.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
(PID) Process: | (1748) RegAsm.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
(PID) Process: | (1748) RegAsm.exe | Key: | HKEY_CURRENT_USER\Software |
Operation: | write | Name: | UremO9eifjRAyPANy0OqUA== |
Value: d6mHXUjH80slwByNJYscKQ== | |||
(PID) Process: | (1748) RegAsm.exe | Key: | HKEY_CURRENT_USER\Software |
Operation: | write | Name: | dCZASLe/Djn+Y20IQfXf0w== |
Value: wdseNGeVwCMmPrOKju/DuA== |
PID | Process | Filename | Type | |
---|---|---|---|---|
1748 | RegAsm.exe | C:\ProgramData\7433cdb324b04dd5e3c3db213381216c7c539baa | text | |
MD5:FFA24B14FF04B246316067394CAEFDA9 | SHA256:E21F57CEAC20C7D96C8788F674C8EA8B5CEC37BB45F0515ADD57B373F8F96F38 |
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
---|---|---|---|---|---|---|---|---|---|
1748 | RegAsm.exe | GET | 200 | 77.47.133.102:80 | http://joule.kpi.ua/wp-content/plugins/myll_vZkviSvF68.bin | UA | binary | 221 Kb | malicious |
PID | Process | IP | Domain | ASN | CN | Reputation |
---|---|---|---|---|---|---|
1748 | RegAsm.exe | 77.47.133.102:80 | joule.kpi.ua | Association of users of Ukrainian Research & Academic Network URAN | UA | malicious |
1748 | RegAsm.exe | 104.37.174.219:49152 | — | Host NIT Inc | US | malicious |
Domain | IP | Reputation |
---|---|---|
joule.kpi.ua |
| malicious |
PID | Process | Class | Message |
---|---|---|---|
1748 | RegAsm.exe | A Network Trojan was detected | MALWARE [PTsecurity] EJNT_Loader |