File name:

oci.dll

Full analysis: https://app.any.run/tasks/137ca59f-e705-4927-9315-678909468e57
Verdict: Malicious activity
Analysis date: May 04, 2021, 06:01:58
OS: Windows 7 Professional Service Pack 1 (build: 7601, 64 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32+ executable (DLL) (GUI) x86-64, for MS Windows
MD5:

264C2EDE235DC7232D673D4748437969

SHA1:

0190495D0C3BE6C0EDBAB0D4DBD5A7E122EFBB3F

SHA256:

E50943D9F361830502DCFDB00971CBEE76877AA73665245427D817047523667F

SSDEEP:

1536:b8TTUkboM8m64G95k3TdvdNs5Dpqi1d52cI:b8TTLbT36x9AY5r1d53

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

    • Loads dropped or rewritten executable

      • explorer.exe (PID: 1572)

    • Drops executable file immediately after starts

      • explorer.exe (PID: 1572)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • explorer.exe (PID: 1572)

    • Drops a file that was compiled in debug mode

      • explorer.exe (PID: 1572)

    • Uses RUNDLL32.EXE to load library

      • explorer.exe (PID: 1572)

  • 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 | Win64 Executable (generic) (87.3)
.exe | Generic Win/DOS Executable (6.3)
.exe | DOS Executable Generic (6.3)

EXIF

EXE

ProductVersion: 10, 2, 0, 1
ProductName: Oracle Call interface
OriginalFileName: OCI.dll
LegalCopyright: Copyright (C) 2010
InternalName: OCI
FileVersion: 10, 2, 0, 1
FileDescription: Oracle Call interface
CharacterSet: Unicode
LanguageCode: English (U.S.)
FileSubtype: -
ObjectFileType: Dynamic link library
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x0017
ProductVersionNumber: 10.2.0.1
FileVersionNumber: 10.2.0.1
Subsystem: Windows GUI
SubsystemVersion: 5.2
ImageVersion: -
OSVersion: 5.2
EntryPoint: 0x3e98
UninitializedDataSize: -
InitializedDataSize: 20992
CodeSize: 45568
LinkerVersion: 9
PEType: PE32+
TimeStamp: 2020:02:12 04:00:01+01:00
MachineType: AMD AMD64

Summary

Architecture: IMAGE_FILE_MACHINE_AMD64
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 12-Feb-2020 03:00:01
Detected languages:
  • English - United States
Debug artifacts:
  • c:\Users\XL\Documents\Visual Studio 2008\Projects\PingBackService0509\x64\Release\PingBackService0509.pdb
FileDescription: Oracle Call interface
FileVersion: 10, 2, 0, 1
InternalName: OCI
LegalCopyright: Copyright (C) 2010
OriginalFilename: OCI.dll
ProductName: Oracle Call interface
ProductVersion: 10, 2, 0, 1

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_AMD64
Number of sections: 6
Time date stamp: 12-Feb-2020 03:00:01
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00F0
Characteristics:
  • IMAGE_FILE_DLL
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x0000B19F
0x0000B200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.27631
.rdata
0x0000D000
0x00002BA8
0x00002C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.28469
.data
0x00010000
0x00003BF8
0x00001400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.89383
.pdata
0x00014000
0x000007E0
0x00000800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.42677
.rsrc
0x00015000
0x00000498
0x00000600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.57609
.reloc
0x00016000
0x00000292
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
1.91844

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.36584
668
Latin 1 / Western European
English - United States
RT_VERSION
2
4.79597
346
Latin 1 / Western European
English - United States
RT_MANIFEST

Imports

KERNEL32.dll
WS2_32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
36
Monitored processes
3
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start rundll32.exe no specs explorer.exe rundll32.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1572C:\Windows\Explorer.EXEC:\Windows\explorer.exe
—
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\explorer.exe
c:\windows\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\system32\user32.dll
2816"C:\Windows\System32\rundll32.exe" C:\Users\admin\Desktop\oci.dll.exeC:\Windows\System32\rundll32.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imagehlp.dll
3032"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\admin\Desktop\oci.dlC:\Windows\system32\rundll32.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\imagehlp.dll
Total events
1 870
Read events
1 839
Write events
31
Delete events
0

Modification events

(PID) Process:(1572) explorer.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:writeName:NodeSlots
Value:
02020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202
(PID) Process:(1572) explorer.exeKey:HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:writeName:MRUListEx
Value:
01000000020000000000000006000000030000000500000004000000FFFFFFFF
(PID) Process:(1572) explorer.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13C\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(1572) explorer.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13C\52C64B7E
Operation:writeName:@sendmail.dll,-21
Value:
Desktop (create shortcut)
(PID) Process:(1572) explorer.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13C\52C64B7E
Operation:writeName:@zipfldr.dll,-10148
Value:
Compressed (zipped) folder
(PID) Process:(1572) explorer.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13C\52C64B7E
Operation:writeName:@sendmail.dll,-4
Value:
Mail recipient
(PID) Process:(1572) explorer.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13C\52C64B7E
Operation:writeName:@C:\Windows\system32\FXSRESM.dll,-120
Value:
Fax recipient
(PID) Process:(1572) explorer.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\13C\52C64B7E
Operation:writeName:@C:\Windows\system32\ntshrui.dll,-103
Value:
S&hare with
(PID) Process:(1572) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{CEBFF5CD-ACE2-4F4F-9178-9926F41749EA}\Count
Operation:writeName:{1NP14R77-02R7-4R5Q-O744-2RO1NR5198O7}\ehaqyy32.rkr
Value:
00000000030000000000000000000000000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BFFFFFFFFFC0D6B516AB40D70100000000
(PID) Process:(1572) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{CEBFF5CD-ACE2-4F4F-9178-9926F41749EA}\Count
Operation:writeName:HRZR_PGYFRFFVBA
Value:
00000000570000005100000018501E000B00000012000000F5B703007B00460033003800420046003400300034002D0031004400340033002D0034003200460032002D0039003300300035002D003600370044004500300042003200380046004300320033007D005C006500780070006C006F007200650072002E006500780065000000000000004F2574020000000090DE03030000000020DE030300000000000000000000000058060000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000010DF0303000000004000000000000000000000000000000000000000000000001900020000000000340000C0000000008156707700000000E8CC450400000000190002000000000000000200000000008156707700000000000000000000000030DF030300000000000000000000000081567077000000000B0000001200000009B203007B00460033003800420046003400300034002D0031004400340033002D0034003200460032002D0039003300300035002D003600370044004500300042003200380046004300320033007D005C006500780070006C006F007200650072002E006500780065000000000000001856A8FEFE07000000000040573E2C4100000040573E2C4100000040573E2C4100000040573E2C4100000000000000002C5DA8FEFE070000000000000000000018B74A04000000003C97E4FEFE07000018B74A0400000000030000000B00000012000000F5B703007B00460033003800420046003400300034002D0031004400340033002D0034003200460032002D0039003300300035002D003600370044004500300042003200380046004300320033007D005C006500780070006C006F007200650072002E006500780065000000000000004F2574020000000090DE03030000000020DE030300000000000000000000000058060000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000010DF0303000000004000000000000000000000000000000000000000000000001900020000000000340000C0000000008156707700000000E8CC450400000000190002000000000000000200000000008156707700000000000000000000000030DF030300000000000000000000000081567077000000000B0000001200000009B203007B00460033003800420046003400300034002D0031004400340033002D0034003200460032002D0039003300300035002D003600370044004500300042003200380046004300320033007D005C006500780070006C006F007200650072002E006500780065000000000000001856A8FEFE07000000000040573E2C4100000040573E2C4100000040573E2C4100000040573E2C4100000000000000002C5DA8FEFE070000000000000000000018B74A04000000003C97E4FEFE07000018B74A0400000000030000000B00000012000000F5B703007B00460033003800420046003400300034002D0031004400340033002D0034003200460032002D0039003300300035002D003600370044004500300042003200380046004300320033007D005C006500780070006C006F007200650072002E006500780065000000000000004F2574020000000090DE03030000000020DE030300000000000000000000000058060000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000010DF0303000000004000000000000000000000000000000000000000000000001900020000000000340000C0000000008156707700000000E8CC450400000000190002000000000000000200000000008156707700000000000000000000000030DF030300000000000000000000000081567077000000000B0000001200000009B203007B00460033003800420046003400300034002D0031004400340033002D0034003200460032002D0039003300300035002D003600370044004500300042003200380046004300320033007D005C006500780070006C006F007200650072002E006500780065000000000000001856A8FEFE07000000000040573E2C4100000040573E2C4100000040573E2C4100000040573E2C4100000000000000002C5DA8FEFE070000000000000000000018B74A04000000003C97E4FEFE07000018B74A040000000003000000
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
1572explorer.exeC:\Users\admin\Desktop\oci.dlexecutable
MD5:264C2EDE235DC7232D673D4748437969
SHA256:E50943D9F361830502DCFDB00971CBEE76877AA73665245427D817047523667F
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

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

Connections

No data

DNS requests

No data

Threats

No threats detected
No debug info
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Reports
oci.dll