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File name:

cb.exe

Full analysis: https://app.any.run/tasks/d6742ed9-6cc0-486a-8062-356440ba7ed5
Verdict: Malicious activity
Threats:

Cobalt Strike is a legitimate penetration software toolkit developed by Forta. But its cracked versions are widely adopted by bad actors, who use it as a C2 system of choice for targeted attacks.

Analysis date: May 15, 2019, 11:20:23
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
cobaltstrike
loader
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

C3EE35FC9DAE9DF6A59828D05218F615

SHA1:

A0B608B709611A49BE4768F06816E2E00BCA0226

SHA256:

BC81E142C758EB8F77E34BCD1D825CE289DF939B4E4E04D4475106EACC46D8E3

SSDEEP:

1536:bgp4qe2X5rrBZ+Cxs/50N7m9Qiz6BE2RVMGbDJj1Z5aZR:iewDMh+m9ynRVMGpzEZR

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

    • COBALTSTRIKE was detected

      • cb.exe (PID: 2564)
    • Downloads executable files from the Internet

      • cb.exe (PID: 2564)
  • SUSPICIOUS

    • Application launched itself

      • cb.exe (PID: 3276)
  • 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 | Win32 Executable MS Visual C++ (generic) (42.2)
.exe | Win64 Executable (generic) (37.3)
.dll | Win32 Dynamic Link Library (generic) (8.8)
.exe | Win32 Executable (generic) (6)
.exe | Generic Win/DOS Executable (2.7)

EXIF

EXE

ProductVersion: 1.0.0.11
LegalCopyright: Copyright (C) 2019, frgdsjgj
InternalName: ghyk.uxe
FileVersion: 1.0.0.11
CharacterSet: Unknown (684B0)
LanguageCode: Unknown (5685)
FileSubtype: -
ObjectFileType: Executable application
FileOS: Unknown (0x40444)
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 1.0.0.0
FileVersionNumber: 1.0.0.0
Subsystem: Windows GUI
SubsystemVersion: 5
ImageVersion: -
OSVersion: 5
EntryPoint: 0x13fe
UninitializedDataSize: -
InitializedDataSize: 638976
CodeSize: 58368
LinkerVersion: 9
PEType: PE32
TimeStamp: 2018:08:15 01:31:56+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 14-Aug-2018 23:31:56
FileVersion: 1.0.0.11
InternalName: ghyk.uxe
LegalCopyright: Copyright (C) 2019, frgdsjgj
ProductVersion: 1.0.0.11

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: 5
Time date stamp: 14-Aug-2018 23:31:56
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
0x0000E308
0x0000E400
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.99235
.rdata
0x00010000
0x00001D48
0x00001E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.5109
.data
0x00012000
0x000923DC
0x00002200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.15587
.rsrc
0x000A5000
0x000076E0
0x00007800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.19939
.reloc
0x000AD000
0x000013DE
0x00001400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
3.53462

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.30494
480
UNKNOWN
UNKNOWN
RT_VERSION
2
5.28437
2216
UNKNOWN
UNKNOWN
RT_ICON
3
5.93177
1736
UNKNOWN
UNKNOWN
RT_ICON
4
5.0812
1384
UNKNOWN
UNKNOWN
RT_ICON
5
4.21149
9640
UNKNOWN
UNKNOWN
RT_ICON
6
5.22214
4264
UNKNOWN
UNKNOWN
RT_ICON
7
5.12321
2440
UNKNOWN
UNKNOWN
RT_ICON
8
5.19371
1128
UNKNOWN
UNKNOWN
RT_ICON
12
3.32576
1128
UNKNOWN
UNKNOWN
RT_STRING
14
3.24832
1454
UNKNOWN
UNKNOWN
RT_STRING

Imports

KERNEL32.dll
USER32.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
33
Monitored processes
2
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
start cb.exe no specs #COBALTSTRIKE cb.exe

Process information

PID
CMD
Path
Indicators
Parent process
3276"C:\Users\admin\AppData\Local\Temp\cb.exe" C:\Users\admin\AppData\Local\Temp\cb.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
2564"C:\Users\admin\AppData\Local\Temp\cb.exe" C:\Users\admin\AppData\Local\Temp\cb.exe
cb.exe
User:
admin
Integrity Level:
MEDIUM
Total events
34
Read events
16
Write events
18
Delete events
0

Modification events

(PID) Process:(2564) cb.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2564) cb.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(2564) cb.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(2564) cb.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(2564) cb.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(2564) cb.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(2564) cb.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2564) cb.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(2564) cb.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASMANCS
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(2564) cb.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASMANCS
Operation:writeName:ConsoleTracingMask
Value:
4294901760
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

No data
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
2
DNS requests
0
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2564
cb.exe
GET
200
37.1.192.68:12890
http://37.1.192.68:12890/fwlink
DE
malicious
2564
cb.exe
GET
200
37.1.192.68:12890
http://37.1.192.68:12890/7Hyd
DE
executable
206 Kb
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2564
cb.exe
37.1.192.68:12890
Leaseweb Deutschland GmbH
DE
malicious

DNS requests

No data

Threats

PID
Process
Class
Message
2564
cb.exe
Potential Corporate Privacy Violation
ET POLICY PE EXE or DLL Windows file download HTTP
2564
cb.exe
A Network Trojan was detected
MALWARE [PTsecurity] Cobalt Strike Beacon Observed
1 ETPRO signatures available at the full report
No debug info