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| File name: | 8d |
| Full analysis: | https://app.any.run/tasks/0737dec1-da31-4d8a-a0d0-b5570918e11f |
| Verdict: | Malicious activity |
| Analysis date: | October 14, 2019, 12:03:32 |
| 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: | 42519F1F3ED65F20A46C3A0D9C8A47AD |
| SHA1: | DC8943F94820E446595A33A096069A9223D9628D |
| SHA256: | 8DC6E3521EF1A9DB885AE1F6A212AEFDE813B9C93CBE7B456CA3E5E306532801 |
| SSDEEP: | 12288:xXrR1h3i6j+Rti78W0+pXCBD/2H/jEUGGIW:Nr9Jjutip0uAO/jEUGnW |
MALICIOUS
Application was dropped or rewritten from another process
- 7F29.tmp.exe (PID: 2836)
- 3D0E.tmp.exe (PID: 3272)
Changes settings of System certificates
- 8d.exe (PID: 2820)
Loads dropped or rewritten executable
- regsvr32.exe (PID: 2236)
Registers / Runs the DLL via REGSVR32.EXE
- 7F29.tmp.exe (PID: 2836)
Downloads executable files from the Internet
- 8d.exe (PID: 2820)
SUSPICIOUS
Executable content was dropped or overwritten
- 8d.exe (PID: 2820)
- 7F29.tmp.exe (PID: 2836)
Creates files in the user directory
- 8d.exe (PID: 2820)
- 7F29.tmp.exe (PID: 2836)
Adds / modifies Windows certificates
- 8d.exe (PID: 2820)
Application launched itself
- 8d.exe (PID: 436)
Starts CMD.EXE for self-deleting
- 8d.exe (PID: 2820)
Starts CMD.EXE for commands execution
- 8d.exe (PID: 2820)
Uses RUNDLL32.EXE to load library
- regsvr32.exe (PID: 2236)
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 Delphi generic (31.9) |
|---|---|---|
| .scr | | | Windows screen saver (29.4) |
| .dll | | | Win32 Dynamic Link Library (generic) (14.8) |
| .exe | | | Win32 Executable (generic) (10.1) |
| .exe | | | Win16/32 Executable Delphi generic (4.6) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 1992:06:13 05:45:13+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 2.25 |
| CodeSize: | 487424 |
| InitializedDataSize: | 114688 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x77e14 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 13-Jun-1992 03:45:13 |
| 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: | 13-Jun-1992 03:45:13 |
| 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 | 0x00076E5C | 0x00077000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.53804 |
DATA | 0x00078000 | 0x000098DC | 0x00009A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 5.06752 |
BSS | 0x00082000 | 0x00000E61 | 0x00000000 | IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.idata | 0x00083000 | 0x00002638 | 0x00002800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.83103 |
.tls | 0x00086000 | 0x00000010 | 0x00000000 | IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rdata | 0x00087000 | 0x00000018 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 0.195201 |
.reloc | 0x00088000 | 0x00007F80 | 0x00008000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 6.64193 |
.rsrc | 0x00090000 | 0x00007C00 | 0x00007C00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 5.36562 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.07513 | 2440 | Latin 1 / Western European | English - United States | RT_ICON |
819 | 4.06062 | 57 | Latin 1 / Western European | English - United States | RT_FONT |
820 | 5.46877 | 57 | Latin 1 / Western European | English - United States | RT_FONT |
821 | 5.10861 | 57 | Latin 1 / Western European | English - United States | RT_FONT |
822 | 4.97041 | 57 | Latin 1 / Western European | English - United States | RT_FONT |
823 | 4.8566 | 57 | Latin 1 / Western European | English - United States | RT_FONT |
824 | 4.17912 | 57 | Latin 1 / Western European | English - United States | RT_FONT |
825 | 4.22281 | 57 | Latin 1 / Western European | English - United States | RT_FONT |
826 | 4.09966 | 57 | Latin 1 / Western European | English - United States | RT_FONT |
827 | 4.07386 | 57 | Latin 1 / Western European | English - United States | RT_FONT |
Imports
advapi32.dll |
comctl32.dll |
gdi32.dll |
kernel32.dll |
ole32.dll |
oleaut32.dll |
shell32.dll |
user32.dll |
version.dll |
Total processes
43
Monitored processes
8
Malicious processes
2
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 436 | "C:\Users\admin\AppData\Local\Temp\8d.exe" | C:\Users\admin\AppData\Local\Temp\8d.exe | — | explorer.exe |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 2820 | "C:\Users\admin\AppData\Local\Temp\8d.exe" | C:\Users\admin\AppData\Local\Temp\8d.exe | 8d.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 3272 | "C:\Users\admin\AppData\Roaming\3D0E.tmp.exe" | C:\Users\admin\AppData\Roaming\3D0E.tmp.exe | — | 8d.exe |
User: admin Integrity Level: MEDIUM | ||||
| 2836 | "C:\Users\admin\AppData\Roaming\7F29.tmp.exe" | C:\Users\admin\AppData\Roaming\7F29.tmp.exe | 8d.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 1160 | "C:\Windows\system32\cmd.exe" /c ping 127.0.0.1 && del "C:\Users\admin\AppData\Local\Temp\8d.exe" >> NUL | C:\Windows\system32\cmd.exe | — | 8d.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 3828 | ping 127.0.0.1 | C:\Windows\system32\PING.EXE | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: TCP/IP Ping Command Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 2236 | C:\Windows\system32\regsvr32.exe -s C:\Users\admin\AppData\Roaming\7F29.dll f1 C:\Users\admin\AppData\Roaming\7F29TM~1.EXE@2836 | C:\Windows\system32\regsvr32.exe | — | 7F29.tmp.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft(C) Register Server Exit code: 3 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3084 | C:\Windows\system32\\rundll32.exe C:\Users\admin\AppData\Roaming\7F29.dll,f0 | C:\Windows\system32\rundll32.exe | — | regsvr32.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
432
Read events
396
Write events
0
Delete events
0
Modification events
Executable files
5
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2820 | 8d.exe | C:\Users\admin\AppData\Roaming\7F29.tmp.exe | executable | |
MD5:D9B47EE9BD00B8DF935136F2683CD0B5 | SHA256:7C034CED070E3FAAD536FAFCD82B79D9A245380F3223F1C9E30B8E570566B85D | |||
| 2820 | 8d.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\I0488CJO\file2[1].exe | executable | |
MD5:D9B47EE9BD00B8DF935136F2683CD0B5 | SHA256:7C034CED070E3FAAD536FAFCD82B79D9A245380F3223F1C9E30B8E570566B85D | |||
| 2820 | 8d.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\LH043OAM\file1[1].exe | executable | |
MD5:E45CC1738A579221F128D22E8D07979E | SHA256:5CCCACB812959F0C29B70CDEB2C01B52E2335C1FBA3E9403DB563413F5BF6CD1 | |||
| 2820 | 8d.exe | C:\Users\admin\AppData\Roaming\3D0E.tmp.exe | executable | |
MD5:E45CC1738A579221F128D22E8D07979E | SHA256:5CCCACB812959F0C29B70CDEB2C01B52E2335C1FBA3E9403DB563413F5BF6CD1 | |||
| 2836 | 7F29.tmp.exe | C:\Users\admin\AppData\Roaming\7F29.dll | executable | |
MD5:B0C67A5113EFFD652384BC508DC207AD | SHA256:2147A7F70616DD8C3131DE966F8B23144391B99E663BDEF5F488409A446F2CEE | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
3
DNS requests
4
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2820 | 8d.exe | GET | 200 | 193.233.149.17:80 | http://crasyhost.com/file1.exe | RU | executable | 619 Kb | malicious |
2820 | 8d.exe | GET | 404 | 193.233.149.17:80 | http://crasyhost.com/file3.exe | RU | html | 289 b | malicious |
2820 | 8d.exe | GET | 404 | 193.233.149.17:80 | http://crasyhost.com/file4.exe | RU | html | 289 b | malicious |
2820 | 8d.exe | GET | 200 | 193.233.149.17:80 | http://crasyhost.com/file2.exe | RU | executable | 1.51 Mb | malicious |
2820 | 8d.exe | GET | 404 | 193.233.149.17:80 | http://crasyhost.com/file5.exe | RU | html | 289 b | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2820 | 8d.exe | 88.99.66.31:443 | iplogger.org | Hetzner Online GmbH | DE | malicious |
2820 | 8d.exe | 193.233.149.17:80 | crasyhost.com | OOO FREEnet Group | RU | suspicious |
2820 | 8d.exe | 176.99.11.28:80 | crasyhost.com | Domain names registrar REG.RU, Ltd | RU | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
crasyhost.com |
| malicious |
dns.msftncsi.com |
| shared |
iplogger.org |
| shared |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2820 | 8d.exe | Potential Corporate Privacy Violation | ET POLICY PE EXE or DLL Windows file download HTTP |
2820 | 8d.exe | Potentially Bad Traffic | ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download |
2820 | 8d.exe | Potentially Bad Traffic | ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download |
3 ETPRO signatures available at the full report