File name:

Win32.SofacyCarberp.exe

Full analysis: https://app.any.run/tasks/d6a8d1db-52c8-4371-b6d3-bf740408bb10
Verdict: Malicious activity
Threats:

Trojans are a group of malicious programs distinguished by their ability to masquerade as benign software. Depending on their type, trojans possess a variety of capabilities, ranging from maintaining full remote control over the victim’s machine to stealing data and files, as well as dropping other malware. At the same time, the main functionality of each trojan family can differ significantly depending on its type. The most common trojan infection chain starts with a phishing email.

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Analysis date: July 27, 2020, 15:55:56
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
apt
apt28
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

36524C90CA1FAC2102E7653DFADB31B2

SHA1:

8D6DB316EA4E348021CB59CF3C6EC65C390F0497

SHA256:

FF808D0A12676BFAC88FD26F955154F8884F2BB7C534B9936510FD6296C543E8

SSDEEP:

3072:t1k+GeIPLGjgSe8s0UWx5rJ1GI+qDVvDW3NjTTiP1ZWE:/GuDe8ZUaJxs3NnKZ

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

      • rundll32.exe (PID: 3528)

    • Changes the autorun value in the registry

      • Win32.SofacyCarberp.exe (PID: 700)

    • Changes settings of System certificates

      • rundll32.exe (PID: 3528)

    • APT28 was detected

      • rundll32.exe (PID: 3528)

  • SUSPICIOUS

    • Uses RUNDLL32.EXE to load library

      • Win32.SofacyCarberp.exe (PID: 700)

    • Executable content was dropped or overwritten

      • Win32.SofacyCarberp.exe (PID: 700)

    • Reads Internet Cache Settings

      • rundll32.exe (PID: 3528)

    • Adds / modifies Windows certificates

      • rundll32.exe (PID: 3528)

  • 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

Subsystem: Windows GUI
SubsystemVersion: 6
ImageVersion: -
OSVersion: 6
EntryPoint: 0x2c50
UninitializedDataSize: -
InitializedDataSize: 60928
CodeSize: 74240
LinkerVersion: 14
PEType: PE32
TimeStamp: 2017:02:01 07:22:56+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 01-Feb-2017 06:22:56

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: 0x00000100

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 01-Feb-2017 06:22:56
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x000121B9
0x00012200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.66861
.rdata
0x00014000
0x00006984
0x00006A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.24761
.data
0x0001B000
0x00006E58
0x00006600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.73823
.gfids
0x00022000
0x000000DC
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
1.66107
.reloc
0x00023000
0x00001108
0x00001200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.43883

Imports

ADVAPI32.dll
KERNEL32.dll
SHELL32.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
35
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start win32.sofacycarberp.exe #APT28 rundll32.exe

Process information

PID
CMD
Path
Indicators
Parent process
700"C:\Users\admin\AppData\Local\Temp\Win32.SofacyCarberp.exe" C:\Users\admin\AppData\Local\Temp\Win32.SofacyCarberp.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\win32.sofacycarberp.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\shell32.dll
c:\windows\system32\shlwapi.dll
3528"C:\Windows\System32\rundll32.exe" "C:\Users\admin\AppData\Local\cdnver.dll",#1C:\Windows\System32\rundll32.exe
Win32.SofacyCarberp.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
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
121
Read events
91
Write events
28
Delete events
2

Modification events

(PID) Process:(700) Win32.SofacyCarberp.exeKey:HKEY_CURRENT_USER\Environment
Operation:writeName:UserInitMprLogonScript
Value:
C:\Users\admin\AppData\Local\cdnver.bat
(PID) Process:(700) Win32.SofacyCarberp.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(700) Win32.SofacyCarberp.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3528) rundll32.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(3528) rundll32.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(3528) rundll32.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(3528) rundll32.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(3528) rundll32.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(3528) rundll32.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3528) rundll32.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
Executable files
1
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
700Win32.SofacyCarberp.exeC:\Users\admin\AppData\Local\cdnver.battext
MD5:26AA4D7B0C99C5D8707CAFA723933465
SHA256:D947E85667DE70603ABC83AEE32204DCFB3BECD01A63020159CFB4241A1A5E14
700Win32.SofacyCarberp.exeC:\Users\admin\AppData\Local\cdnver.dllexecutable
MD5:AA2CD9D9FC5D196CAA6F8FD5979E3F14
SHA256:12E6642CF6413BDF5388BEE663080FA299591B2BA023D069286F3BE9647547C8
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
5
DNS requests
1
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
3528
rundll32.exe
172.217.22.110:443
—
Google Inc.
US
whitelisted
3528
rundll32.exe
52.45.178.122:443
cdnverify.net
Amazon.com, Inc.
US
malicious

DNS requests

Domain
IP
Reputation
cdnverify.net
  • 52.45.178.122
malicious

Threats

Found threats are available for the paid subscriptions
3 ETPRO signatures available at the full report
No debug info
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Reports
Win32.SofacyCarberp.exe