| File name: | 晒背.exe |
| Full analysis: | https://app.any.run/tasks/6cfa47f1-e271-4519-b91d-4693729568b8 |
| Verdict: | Malicious activity |
| Analysis date: | December 08, 2020, 07:25:23 |
| 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: | 4B982FE1558576B420589FAA9D55E81A |
| SHA1: | A858C92A664491D1195370C20F2E4FA6B6AE5C3C |
| SHA256: | FF84E79CAE99F5714F363588BC8238096249A85D34982B8D8C9AC2F9C3A639E8 |
| SSDEEP: | 24576:jGvrY3tcr1R2ydMQULhbeeE7xoD46mJvC0wErDpGvrY3tcr1R2ydMQULhbeeE7xP:jLN+GE3pLN+GE3 |
MALICIOUS
Changes appearance of the explorer extensions
- 晒背.exe (PID: 2372)
SUSPICIOUS
No suspicious indicators.INFO
Manual execution by user
- WINWORD.EXE (PID: 3684)
Reads Microsoft Office registry keys
- WINWORD.EXE (PID: 3684)
Creates files in the user directory
- WINWORD.EXE (PID: 3684)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | InstallShield setup (64.5) |
|---|---|---|
| .scr | | | Windows screen saver (19.6) |
| .exe | | | Win32 Executable (generic) (6.7) |
| .exe | | | Win16/32 Executable Delphi generic (3.1) |
| .exe | | | Generic Win/DOS Executable (2.9) |
EXIF
EXE
| Subsystem: | Windows GUI |
|---|---|
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0x4f9a4 |
| UninitializedDataSize: | - |
| InitializedDataSize: | 137216 |
| CodeSize: | 322048 |
| LinkerVersion: | 2.25 |
| PEType: | PE32 |
| TimeStamp: | 0000:00:00 00:00:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 01-Jan-1970 00:00:00 |
| Detected languages: |
|
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0050 |
| Pages in file: | 0x0002 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x000F |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x001A |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x00000100 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 8 |
| Time date stamp: | 01-Jan-1970 00:00:00 |
| 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 |
|---|---|---|---|---|---|
CODE | 0x00001000 | 0x0004E9F4 | 0x0004EA00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 6.53427 |
DATA | 0x00050000 | 0x00001140 | 0x00001200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.0694 |
BSS | 0x00052000 | 0x00000BD9 | 0x00000000 | IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.idata | 0x00053000 | 0x000020AC | 0x00002200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.84829 |
.tls | 0x00056000 | 0x00000010 | 0x00000000 | IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rdata | 0x00057000 | 0x00000018 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 0.180244 |
.reloc | 0x00058000 | 0x00005890 | 0x00005A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 6.64954 |
.rsrc | 0x0005E000 | 0x00019000 | 0x00018800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 5.06499 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 2.7552 | 1640 | UNKNOWN | Chinese - PRC | RT_ICON |
2 | 3.1264 | 744 | UNKNOWN | Chinese - PRC | RT_ICON |
3 | 3.31077 | 296 | UNKNOWN | Chinese - PRC | RT_ICON |
4 | 3.84352 | 3752 | UNKNOWN | Chinese - PRC | RT_ICON |
5 | 3.91649 | 2216 | UNKNOWN | Chinese - PRC | RT_ICON |
6 | 3.98653 | 1736 | UNKNOWN | Chinese - PRC | RT_ICON |
7 | 3.84672 | 1384 | UNKNOWN | Chinese - PRC | RT_ICON |
8 | 3.31712 | 9640 | UNKNOWN | Chinese - PRC | RT_ICON |
9 | 3.78865 | 4264 | UNKNOWN | Chinese - PRC | RT_ICON |
10 | 3.9998 | 2440 | UNKNOWN | Chinese - PRC | RT_ICON |
Imports
advapi32.dll |
comctl32.dll |
gdi32.dll |
kernel32.dll |
oleaut32.dll |
shell32.dll |
user32.dll |
version.dll |
Total processes
37
Monitored processes
2
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2372 | "C:\Users\admin\AppData\Local\Temp\晒背.exe" | C:\Users\admin\AppData\Local\Temp\晒背.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Modules
| |||||||||||||||
| 3684 | "C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\Desktop\standardsoffer.rtf" | C:\Program Files\Microsoft Office\Office14\WINWORD.EXE | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Word Exit code: 0 Version: 14.0.6024.1000 Modules
| |||||||||||||||
Total events
1 637
Read events
790
Write events
700
Delete events
147
Modification events
| (PID) Process: | (2372) 晒背.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce |
| Operation: | write | Name: | msfsa |
Value: C:\windows\tsay.exe | |||
| (PID) Process: | (2372) 晒背.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced |
| Operation: | write | Name: | HideFileExt |
Value: 1 | |||
| (PID) Process: | (2372) 晒背.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced |
| Operation: | write | Name: | Hidden |
Value: 2 | |||
| (PID) Process: | (2372) 晒背.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL |
| Operation: | write | Name: | checkedvalue |
Value: 0 | |||
| (PID) Process: | (3684) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Word\Resiliency\StartupItems |
| Operation: | write | Name: | +7? |
Value: 2B373F00640E0000010000000000000000000000 | |||
| (PID) Process: | (3684) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1033 |
Value: Off | |||
| (PID) Process: | (3684) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1041 |
Value: Off | |||
| (PID) Process: | (3684) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1046 |
Value: Off | |||
| (PID) Process: | (3684) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1036 |
Value: Off | |||
| (PID) Process: | (3684) WINWORD.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1031 |
Value: Off | |||
Executable files
0
Suspicious files
0
Text files
2
Unknown types
3
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3684 | WINWORD.EXE | C:\Users\admin\AppData\Local\Temp\CVR8B0B.tmp.cvr | — | |
MD5:— | SHA256:— | |||
| 3684 | WINWORD.EXE | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{3FD105A1-F1AE-45AA-B7A8-BDE9536CC182}.tmp | — | |
MD5:— | SHA256:— | |||
| 3684 | WINWORD.EXE | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{C18CE275-E24D-406E-BAEA-F417F2C4EDC4}.tmp | — | |
MD5:— | SHA256:— | |||
| 3684 | WINWORD.EXE | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRF{C85CFBB3-8A99-47F9-AF55-0A6D90DD25AC}.tmp | — | |
MD5:— | SHA256:— | |||
| 3684 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm | pgc | |
MD5:4EA46EE543C14E1408D8B8CB8B1BEC08 | SHA256:B8A10C928C3D39EB9CDD12301FE3E798E43B2BDE4A3C76535AF68C67CCFD1839 | |||
| 3684 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\standardsoffer.LNK | lnk | |
MD5:E6840E98D0EAE43B52B0C69A99B28D8C | SHA256:FC909D04319950E2D4DC74D1534B31B10AE8E59CFD4973C833BBBEBE7D7DA426 | |||
| 3684 | WINWORD.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\index.dat | text | |
MD5:81063AB53D6C1037B2FCE4A6E249A713 | SHA256:2B620E8AEE805807D3AD0099707F3894BCED5523DA9EF972C41E7F02B848774E | |||
| 3684 | WINWORD.EXE | C:\Users\admin\Desktop\~$andardsoffer.rtf | pgc | |
MD5:661CAAA746EE57CF53DFEB4B444B3859 | SHA256:306B8474751AC45F50B31E2A5CA94F52A1617747950F003975BFD2D46632DF47 | |||
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