File name:

u1902.exe

Full analysis: https://app.any.run/tasks/f37c179d-1f82-44ff-99cb-9fd1afb70154
Verdict: Malicious activity
Analysis date: March 22, 2021, 22:58:26
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, UPX compressed
MD5:

48FE7B7C67BC65AAA1F0A1318B45A3B5

SHA1:

9C3756CC878A5C80EEECC376A66F985969AEAE76

SHA256:

B4D77967038ACE1D5ABFCED3EAE4152C7EB3D04C18FF54DF17D4DF6591B94702

SSDEEP:

98304:6XTU15sTq7nCmrxd9Jozx9vdS3/IZRt8+6XmExMSbejtRUCNuOV3aFSp:Ea5sTwC9dS3KRtH62igRUwdaFc

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Changes internet zones settings

      • u1902.exe (PID: 1868)

    • Application was dropped or rewritten from another process

      • u.exe (PID: 3532)

  • SUSPICIOUS

    • Executed via COM

      • DllHost.exe (PID: 2820)
      • DllHost.exe (PID: 2356)

    • Executable content was dropped or overwritten

      • u1902.exe (PID: 1868)

    • Drops a file with too old compile date

      • u1902.exe (PID: 1868)

  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | UPX compressed Win32 Executable (39.3)
.exe | Win32 EXE Yoda's Crypter (38.6)
.dll | Win32 Dynamic Link Library (generic) (9.5)
.exe | Win32 Executable (generic) (6.5)
.exe | Generic Win/DOS Executable (2.9)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2019:02:12 09:13:16+01:00
PEType: PE32
LinkerVersion: 6
CodeSize: 3665920
InitializedDataSize: 12288
UninitializedDataSize: 1306624
EntryPoint: 0x4bec30
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 12-Feb-2019 08:13:16

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: 0x000000F0

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 12-Feb-2019 08:13:16
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
UPX0
0x00001000
0x0013F000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
UPX1
0x00140000
0x0037F000
0x0037EE00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.81989
.rsrc
0x004BF000
0x00003000
0x00002400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.66596

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.DLL
NETAPI32.dll
SHELL32.dll
USER32.dll
WININET.dll
WINMM.dll
WINSPOOL.DRV
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
4
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start u1902.exe WinInetBrokerServer no specs u.exe WinInetBrokerServer no specs

Process information

PID
CMD
Path
Indicators
Parent process
1868"C:\Users\admin\AppData\Local\Temp\u1902.exe" C:\Users\admin\AppData\Local\Temp\u1902.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\u1902.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll
2356C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}C:\Windows\system32\DllHost.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
COM Surrogate
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\dllhost.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2820C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}C:\Windows\system32\DllHost.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
COM Surrogate
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\dllhost.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3532C:\Users\admin\AppData\Local\Temp\utmp\u.exe -L="127.0.0.1:9666" -CID="18777450", -ProgPath="C:\Users\admin\AppData\Local\Temp\\" -TmpPath="C:\Users\admin\AppData\Local\Temp\utmp\\" -ConnMode=0 -version="1902100"C:\Users\admin\AppData\Local\Temp\utmp\u.exe
u1902.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\utmp\u.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\winmm.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
Total events
218
Read events
101
Write events
100
Delete events
17

Modification events

(PID) Process:(1868) u1902.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(1868) u1902.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(1868) u1902.exeKey:HKEY_CURRENT_USER\Software\Microsoft\MediaPlayer\Preferences
Operation:writeName:UseHTTP
Value:
1
(PID) Process:(1868) u1902.exeKey:HKEY_CURRENT_USER\Software\Microsoft\MediaPlayer\Preferences
Operation:writeName:UseTCP
Value:
0
(PID) Process:(1868) u1902.exeKey:HKEY_CURRENT_USER\Software\Microsoft\MediaPlayer\Preferences
Operation:writeName:UseUDP
Value:
0
(PID) Process:(1868) u1902.exeKey:HKEY_CURRENT_USER\Software\Microsoft\MediaPlayer\Preferences
Operation:writeName:UseMulticast
Value:
0
(PID) Process:(1868) u1902.exeKey:HKEY_CURRENT_USER\Software\Microsoft\MediaPlayer\Preferences\ProxySettings\HTTP
Operation:writeName:ProxyBypass
Value:
0
(PID) Process:(1868) u1902.exeKey:HKEY_CURRENT_USER\Software\Microsoft\MediaPlayer\Preferences\ProxySettings\HTTP
Operation:writeName:ProxyStyle
Value:
1
(PID) Process:(1868) u1902.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
Operation:writeName:1C00
Value:
00000000
(PID) Process:(1868) u1902.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
Operation:writeName:CurrentLevel
Value:
00000000
Executable files
1
Suspicious files
4
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
1868u1902.exeC:\Users\admin\AppData\Local\Temp\utmp\~mgtbrmtaa3v2c3pbinary
MD5:—
SHA256:—
1868u1902.exeC:\Users\admin\PUTTY.RNDbinary
MD5:—
SHA256:—
1868u1902.exeC:\Users\admin\AppData\Local\Temp\utmp\~jtmteujzy8p5z9xbinary
MD5:—
SHA256:—
1868u1902.exeC:\Users\admin\AppData\Local\Temp\utmp\~grdccewps6k6s5xbinary
MD5:—
SHA256:—
1868u1902.exeC:\Users\admin\AppData\Local\Temp\utmp\u.exeexecutable
MD5:6F39F6931A136376C66289970639A50C
SHA256:0217F1F5E59CD1459665D7B1B89D1C21B1F414D8FD37A50CAA7D760FB83B9D10
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
11
DNS requests
6
Threats
3

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3532
u.exe
152.199.19.160:443
ajax.microsoft.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
3532
u.exe
172.217.18.101:443
www.gmail.com
Google Inc.
US
whitelisted
3532
u.exe
152.199.19.161:443
do.skype.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
—
—
143.204.209.12:443
www.tsx.com
—
US
suspicious

DNS requests

Domain
IP
Reputation
ajax.microsoft.com
  • 152.199.19.160
whitelisted
www.gmail.com
  • 172.217.18.101
shared
do.skype.com
  • 152.199.19.161
whitelisted
iecvlist.microsoft.com
  • 152.199.19.161
whitelisted
mail.google.com
  • 172.217.18.101
shared
www.tsx.com
  • 143.204.209.12
  • 143.204.209.11
  • 143.204.209.39
  • 143.204.209.117
whitelisted

Threats

PID
Process
Class
Message
3532
u.exe
Potential Corporate Privacy Violation
POLICY [PTsecurity] Possible JA3 UltraSurf Proxy Anonymizer
3532
u.exe
Potential Corporate Privacy Violation
POLICY [PTsecurity] Possible JA3 UltraSurf Proxy Anonymizer
3532
u.exe
Potential Corporate Privacy Violation
POLICY [PTsecurity] Possible JA3 UltraSurf Proxy Anonymizer
No debug info
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Reports
u1902.exe