File name:

acrobroker.exe

Full analysis: https://app.any.run/tasks/f0d7a565-73a9-4615-99db-e100f87924d8
Verdict: Malicious activity
Threats:

Stealers are a group of malicious software that are intended for gaining unauthorized access to users’ information and transferring it to the attacker. The stealer malware category includes various types of programs that focus on their particular kind of data, including files, passwords, and cryptocurrency. Stealers are capable of spying on their targets by recording their keystrokes and taking screenshots. This type of malware is primarily distributed as part of phishing campaigns.

Analysis date: January 23, 2025, 15:01:10
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
neshta
stealer
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386, for MS Windows, 8 sections
MD5:

8E689215B7800FC566C1843D5231641F

SHA1:

0484E4FC2085BD1E4A04ECA4880FFB3F17800B92

SHA256:

6FE40E509F4E44963392C301A081300DB4C7915E3D5746643C0541DC76BCCC27

SSDEEP:

6144:k9dyr8oe0K+rMQAt63mby+LCtmVxYNG/uMrqrX+pb:oy34gWd+QYNK7qrX+Z

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

    • Executing a file with an untrusted certificate

      • acrobroker.exe (PID: 2996)
    • Actions looks like stealing of personal data

      • acrobroker.exe (PID: 2992)
    • NESHTA mutex has been found

      • acrobroker.exe (PID: 2992)
  • SUSPICIOUS

    • Reads security settings of Internet Explorer

      • acrobroker.exe (PID: 2992)
    • Executable content was dropped or overwritten

      • acrobroker.exe (PID: 2992)
    • Mutex name with non-standard characters

      • acrobroker.exe (PID: 2992)
    • There is functionality for taking screenshot (YARA)

      • acrobroker.exe (PID: 2992)
  • INFO

    • Create files in a temporary directory

      • acrobroker.exe (PID: 2992)
    • The process uses the downloaded file

      • acrobroker.exe (PID: 2992)
    • The sample compiled with english language support

      • acrobroker.exe (PID: 2992)
    • Checks supported languages

      • acrobroker.exe (PID: 2992)
    • Reads the computer name

      • acrobroker.exe (PID: 2992)
    • Process checks computer location settings

      • acrobroker.exe (PID: 2992)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable Borland Delphi 6 (85.5)
.exe | Win32 Executable Delphi generic (4.6)
.scr | Windows screen saver (4.2)
.dll | Win32 Dynamic Link Library (generic) (2.1)
.exe | Win32 Executable (generic) (1.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 1992:06:19 22:22:17+00:00
ImageFileCharacteristics: Executable, No line numbers, No symbols, Bytes reversed lo, 32-bit, Bytes reversed hi
PEType: PE32
LinkerVersion: 2.25
CodeSize: 29696
InitializedDataSize: 10752
UninitializedDataSize: -
EntryPoint: 0x80e4
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
117
Monitored processes
2
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
start #NESHTA acrobroker.exe acrobroker.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2992"C:\Users\admin\Desktop\acrobroker.exe" C:\Users\admin\Desktop\acrobroker.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\desktop\acrobroker.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\user32.dll
2996"C:\Users\admin\AppData\Local\Temp\3582-490\acrobroker.exe" C:\Users\admin\AppData\Local\Temp\3582-490\acrobroker.exeacrobroker.exe
User:
admin
Company:
Adobe Systems Incorporated
Integrity Level:
MEDIUM
Description:
Adobe PDF Broker Process for Internet Explorer
Exit code:
3221225781
Version:
15.7.20033.133275
Modules
Images
c:\users\admin\appdata\local\temp\3582-490\acrobroker.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\user32.dll
Total events
289
Read events
289
Write events
0
Delete events
0

Modification events

No data
Executable files
8
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
2992acrobroker.exeC:\ProgramData\Adobe\ARM\S\388\AdobeARMHelper.exeexecutable
MD5:85A67D34298E33D2D5A9EC789B6AB594
SHA256:1DEE143B4F88F2375B85C6271A58E2E78FED081BEAE4090678CB2DD7A37FB2D4
2992acrobroker.exeC:\Users\admin\AppData\Local\Microsoft\OneDrive\OneDrive.exeexecutable
MD5:178B773B3FB050FCE26E40A9E8C2EE9A
SHA256:1E03573733F25B44004049A535E7E79366FD86FE953F6DFEDAAD05513B46A6C5
2992acrobroker.exeC:\Users\admin\AppData\Local\Microsoft\OneDrive\19.043.0304.0013\FileSyncConfig.exeexecutable
MD5:0C5EC1AE9A301408AF26032B445FBB08
SHA256:3A8010F1E4E028782093877D969EB127B80AE48B7215A8D3F91E8AB9C165AC7A
2992acrobroker.exeC:\Users\admin\AppData\Local\Microsoft\OneDrive\OneDriveStandaloneUpdater.exeexecutable
MD5:A747FA4161FE3C00C3FBB4BF391D4D4E
SHA256:B7BA59428AF7AE08C5BF927B57E326D5259E6ED31BD4237AA6A44378177364C1
2992acrobroker.exeC:\Users\admin\AppData\Local\Temp\3582-490\acrobroker.exeexecutable
MD5:C093DB94882BAE3A1914355074243A0A
SHA256:800F69C886281CC62FBC7CD1F2355525399334A05C912A659D80A19E66C9C364
2992acrobroker.exeC:\Users\admin\AppData\Local\Microsoft\OneDrive\19.043.0304.0013\OneDriveUpdaterService.exeexecutable
MD5:E73AC057B2CFEF016B8199389F0DF590
SHA256:20ABA9D6001E5CDC287CD5BD452D0F2D05980D83F851D2B309BF49E9D9A8AC4C
2992acrobroker.exeC:\Users\admin\AppData\Local\Microsoft\OneDrive\19.043.0304.0013\FileCoAuth.exeexecutable
MD5:13C2D5BF03C4A2B28E930F990CCC32DB
SHA256:12D24D0BC0E7CDC902E3540A3C6F7B755094F011A8EAD49A47A00563710B8F80
2992acrobroker.exeC:\Users\admin\AppData\Local\Microsoft\OneDrive\19.043.0304.0013\FileSyncHelper.exeexecutable
MD5:1C0BE16E6ED8F5B6F0910650A25F4FA7
SHA256:3028F6A6A7A10DC5D63F256FEEB8275F3818BF3371EAF8B20A2D0BF2FCD5F4A9
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
17
DNS requests
7
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
4712
MoUsoCoreWorker.exe
GET
200
23.37.237.227:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
4712
MoUsoCoreWorker.exe
GET
200
23.48.23.183:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:137
whitelisted
4712
MoUsoCoreWorker.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:138
whitelisted
4712
MoUsoCoreWorker.exe
23.48.23.183:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
4712
MoUsoCoreWorker.exe
23.37.237.227:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
4712
MoUsoCoreWorker.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
3976
svchost.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 40.127.240.158
  • 51.104.136.2
  • 4.231.128.59
whitelisted
google.com
  • 142.250.185.238
whitelisted
crl.microsoft.com
  • 23.48.23.183
  • 23.48.23.180
  • 23.48.23.174
  • 23.48.23.176
  • 23.48.23.171
  • 23.48.23.177
  • 23.48.23.181
  • 23.48.23.185
  • 23.48.23.188
whitelisted
www.microsoft.com
  • 23.37.237.227
whitelisted
self.events.data.microsoft.com
  • 20.42.73.26
whitelisted

Threats

No threats detected
No debug info