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File name:

ref no_BHD-008356743.exe

Full analysis: https://app.any.run/tasks/a71ed7b1-cb2a-4f8f-b2c1-0a16e211f51d
Verdict: Malicious activity
Threats:

Agent Tesla is spyware that collects information about the actions of its victims by recording keystrokes and user interactions. It is falsely marketed as a legitimate software on the dedicated website where this malware is sold.

Analysis date: December 02, 2019, 23:09:04
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
stealer
agenttesla
rat
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

B98E106A81187B2174AA888676C1512C

SHA1:

BDED3ED103A73BAB8181849546AA3C457F3A3D2C

SHA256:

9B169A6AF6D8BC37790ED69206A8CF7AD1A1907FC96EAB134C0F3C2658269038

SSDEEP:

24576:Qu6Jx3O0c+JY5UZ+XC0kGso/WaGa7f0AzqKiyDk+YfWY:aI0c++OCvkGsUWa35DkSY

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

    • AGENTTESLA detected

      • RegAsm.exe (PID: 2096)
    • Writes to a start menu file

      • ref no_BHD-008356743.exe (PID: 2536)
    • Actions looks like stealing of personal data

      • RegAsm.exe (PID: 2096)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • ref no_BHD-008356743.exe (PID: 2536)
    • Reads the cookies of Mozilla Firefox

      • RegAsm.exe (PID: 2096)
    • Creates files in the user directory

      • ref no_BHD-008356743.exe (PID: 2536)
      • RegAsm.exe (PID: 2096)
    • Reads the cookies of Google Chrome

      • RegAsm.exe (PID: 2096)
  • 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) (64.6)
.dll | Win32 Dynamic Link Library (generic) (15.4)
.exe | Win32 Executable (generic) (10.5)
.exe | Generic Win/DOS Executable (4.6)
.exe | DOS Executable Generic (4.6)

EXIF

EXE

ProductVersion: 712, 556, 713, 437
ProductName: RtkAudioService64
LegalCopyright: TSWbPrxy
CompanyName: IMTCPROP
OriginalFileName: AssignedAccessShellProxy.exe
FileDescription: pwcreator
CharacterSet: Unicode
LanguageCode: English (U.S.)
FileSubtype: -
ObjectFileType: Unknown
FileOS: Unknown (0)
FileFlags: (none)
FileFlagsMask: 0x0000
ProductVersionNumber: 0.0.0.0
FileVersionNumber: 696.943.250.195
Subsystem: Windows GUI
SubsystemVersion: 5.1
ImageVersion: -
OSVersion: 5.1
EntryPoint: 0x27dcd
UninitializedDataSize: -
InitializedDataSize: 987136
CodeSize: 581120
LinkerVersion: 12
PEType: PE32
TimeStamp: 2019:12:02 08:14:20+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 02-Dec-2019 07:14:20
Detected languages:
  • English - United Kingdom
  • English - United States
  • French - France
FileDescription: pwcreator
OriginalFilename: AssignedAccessShellProxy.exe
CompanyName: IMTCPROP
LegalCopyright: TSWbPrxy
ProductName: RtkAudioService64
ProductVersion: 712, 556, 713, 437

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: 0x00000110

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 02-Dec-2019 07:14:20
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_LARGE_ADDRESS_AWARE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x0008DCC4
0x0008DE00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.67613
.rdata
0x0008F000
0x0002E10E
0x0002E200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.7601
.data
0x000BE000
0x00008F74
0x00005200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.19875
.rsrc
0x000C7000
0x000B69B4
0x000B6A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.21781
.reloc
0x0017E000
0x0000711C
0x00007200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.77903

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.40026
1007
Latin 1 / Western European
English - United Kingdom
RT_MANIFEST
2
2.05883
296
Latin 1 / Western European
English - United Kingdom
RT_ICON
3
2.25499
296
Latin 1 / Western European
English - United Kingdom
RT_ICON
4
1.50019
60104
Latin 1 / Western European
English - United Kingdom
RT_ICON
7
3.34702
1428
Latin 1 / Western European
English - United Kingdom
RT_STRING
8
3.2817
1674
Latin 1 / Western European
English - United Kingdom
RT_STRING
9
3.28849
1168
Latin 1 / Western European
English - United Kingdom
RT_STRING
10
3.28373
1532
Latin 1 / Western European
English - United Kingdom
RT_STRING
11
3.26322
1628
Latin 1 / Western European
English - United Kingdom
RT_STRING
12
3.25812
1126
Latin 1 / Western European
English - United Kingdom
RT_STRING

Imports

ADVAPI32.dll
COMCTL32.dll
COMDLG32.dll
GDI32.dll
IPHLPAPI.DLL
KERNEL32.dll
MPR.dll
OLEAUT32.dll
PSAPI.DLL
SHELL32.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
36
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start ref no_bhd-008356743.exe #AGENTTESLA regasm.exe

Process information

PID
CMD
Path
Indicators
Parent process
2536"C:\Users\admin\AppData\Local\Temp\ref no_BHD-008356743.exe" C:\Users\admin\AppData\Local\Temp\ref no_BHD-008356743.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
2096"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
ref no_BHD-008356743.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Version:
2.0.50727.5420 (Win7SP1.050727-5400)
Total events
55
Read events
55
Write events
0
Delete events
0

Modification events

No data
Executable files
1
Suspicious files
1
Text files
2
Unknown types
1

Dropped files

PID
Process
Filename
Type
2096RegAsm.exeC:\Users\admin\AppData\Roaming\avf1hj5a.cq2\Chrome\Default\Cookies
MD5:
SHA256:
2096RegAsm.exeC:\Users\admin\AppData\Roaming\avf1hj5a.cq2\Firefox\Profiles\qldyz51w.default\cookies.sqlite
MD5:
SHA256:
2536ref no_BHD-008356743.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\baaupdate.urltext
MD5:174C0C9C93C83DFABB757A488A9A6C3B
SHA256:6570DDC85D153D6774F05E2B2B05244D171B23EC8FCE74FC5E6B8C89B3E14981
2536ref no_BHD-008356743.exeC:\Users\admin\baaupdate\baaupdate.vbstext
MD5:72E94067DF772AE3A0E3A8EAE29147BC
SHA256:5AA0CC1176457A29627B656742B5CDC3BC50225C9462314651CE97D1B9D74269
2096RegAsm.exeC:\Users\admin\AppData\Roaming\avf1hj5a.cq2.zipcompressed
MD5:1BD68F44D452E4A1DF34EC06519A94F9
SHA256:DE313A8C7B93E3C39231FD3A4410FD103179FD42155CE1A21117643780BC7238
2096RegAsm.exeC:\Users\admin\AppData\Local\Temp\f9befcbd-7403-4c8b-bf87-51f0c1cb47cfsqlite
MD5:0B3C43342CE2A99318AA0FE9E531C57B
SHA256:0CCB4915E00390685621DA3D75EBFD5EDADC94155A79C66415A7F4E9763D71B8
2536ref no_BHD-008356743.exeC:\Users\admin\baaupdate\reset.exeexecutable
MD5:B98E106A81187B2174AA888676C1512C
SHA256:9B169A6AF6D8BC37790ED69206A8CF7AD1A1907FC96EAB134C0F3C2658269038
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2
DNS requests
1
Threats
0

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
2096
RegAsm.exe
208.91.198.143:587
smtp.sertvua.com
PDR
US
shared

DNS requests

Domain
IP
Reputation
smtp.sertvua.com
  • 208.91.198.143
  • 208.91.199.223
  • 208.91.199.225
  • 208.91.199.224
malicious

Threats

PID
Process
Class
Message
2096
RegAsm.exe
Generic Protocol Command Decode
SURICATA Applayer Detect protocol only one direction
2096
RegAsm.exe
A Network Trojan was detected
SPYWARE [PTsecurity] Trojan-Spy.Keylogger.AgentTesla Exfiltration by SMTP
2096
RegAsm.exe
Generic Protocol Command Decode
SURICATA Applayer Detect protocol only one direction
2096
RegAsm.exe
A Network Trojan was detected
SPYWARE [PTsecurity] Trojan-Spy.Keylogger.AgentTesla Exfiltration by SMTP
No debug info