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File name:

GrandCrab.v5.1.exe.bim

Full analysis: https://app.any.run/tasks/d3295fea-16e1-45af-8776-75b7ba027cf8
Verdict: Malicious activity
Threats:

GandCrab is probably one of the most famous Ransomware. A Ransomware is a malware that asks the victim to pay money in order to restore access to encrypted files. If the user does not cooperate the files are forever lost.

Analysis date: January 17, 2019, 13:59:43
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
ransomware
gandcrab
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

E387BD817E9B7F02FA9C2511CC345F12

SHA1:

98B3EC47B64198E3604C738F8C1F4753E0AFA8C7

SHA256:

39514226B71AEBBE775AA14627C716973282CBA201532DF3F820A209D87F6DF9

SSDEEP:

3072:06scOhLLGEdJT5GBQ8eTgeOJnflLfe1ndzo9cLvJkXky6GHBTfFhTWkCvaTdmGlB:0ccLLGEsC7v4c1ndzhe0IdfJC6BtZtb

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

    • GandCrab keys found

      • GrandCrab.v5.1.exe.bim.exe (PID: 3000)
    • Actions looks like stealing of personal data

      • GrandCrab.v5.1.exe.bim.exe (PID: 3000)
    • Dropped file may contain instructions of ransomware

      • GrandCrab.v5.1.exe.bim.exe (PID: 3000)
    • Deletes shadow copies

      • GrandCrab.v5.1.exe.bim.exe (PID: 3000)
    • Writes file to Word startup folder

      • GrandCrab.v5.1.exe.bim.exe (PID: 3000)
    • Renames files like Ransomware

      • GrandCrab.v5.1.exe.bim.exe (PID: 3000)
    • Changes settings of System certificates

      • GrandCrab.v5.1.exe.bim.exe (PID: 3000)
  • SUSPICIOUS

    • Creates files in the program directory

      • GrandCrab.v5.1.exe.bim.exe (PID: 3000)
    • Reads the cookies of Mozilla Firefox

      • GrandCrab.v5.1.exe.bim.exe (PID: 3000)
    • Creates files like Ransomware instruction

      • GrandCrab.v5.1.exe.bim.exe (PID: 3000)
    • Adds / modifies Windows certificates

      • GrandCrab.v5.1.exe.bim.exe (PID: 3000)
    • Creates files in the user directory

      • GrandCrab.v5.1.exe.bim.exe (PID: 3000)
  • INFO

    • Dropped object may contain TOR URL's

      • GrandCrab.v5.1.exe.bim.exe (PID: 3000)
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

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2017:07:26 02:54:11+02:00
PEType: PE32
LinkerVersion: 9
CodeSize: 65536
InitializedDataSize: 307200
UninitializedDataSize: -
EntryPoint: 0x5072
OSVersion: 5
ImageVersion: -
SubsystemVersion: 5
Subsystem: Windows GUI
FileVersionNumber: 1.45.8.4
ProductVersionNumber: 7.32.568.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Windows NT 32-bit
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (British)
CharacterSet: Unicode
FileVersion: 1.0.8.39
ProductVersion: 1.0.8.39

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 26-Jul-2017 00:54:11

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: 26-Jul-2017 00:54:11
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
0x0000FEDB
0x00010000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.54749
.rdata
0x00011000
0x0000411E
0x00004200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.17141
.data
0x00016000
0x0001D2DC
0x0001B800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.73542
.rsrc
0x00034000
0x00028BCA
0x00028C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
6.29617
.reloc
0x0005D000
0x00001AE0
0x00001C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
4.66732

Imports

KERNEL32.dll

Exports

Title
Ordinal
Address
156966
0x00000000
No data.
screenshotscreenshot
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 #GANDCRAB grandcrab.v5.1.exe.bim.exe wmic.exe vssvc.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3000"C:\Users\admin\AppData\Local\Temp\GrandCrab.v5.1.exe.bim.exe" C:\Users\admin\AppData\Local\Temp\GrandCrab.v5.1.exe.bim.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
2320"C:\Windows\system32\wbem\wmic.exe" shadowcopy deleteC:\Windows\system32\wbem\wmic.exe
GrandCrab.v5.1.exe.bim.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
WMI Commandline Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
3384C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exeservices.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Microsoft® Volume Shadow Copy Service
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
135
Read events
97
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
418
Text files
317
Unknown types
20

Dropped files

PID
Process
Filename
Type
3000GrandCrab.v5.1.exe.bim.exeC:\Recovery\345b46fe-a9f9-11e7-a83c-e8a4f72b1d33\boot.sdi
MD5:
SHA256:
3000GrandCrab.v5.1.exe.bim.exeC:\Recovery\345b46fe-a9f9-11e7-a83c-e8a4f72b1d33\Winre.wim.crotpifb
MD5:
SHA256:
3000GrandCrab.v5.1.exe.bim.exeC:\Recovery\345b46fe-a9f9-11e7-a83c-e8a4f72b1d33\Winre.wim
MD5:
SHA256:
3000GrandCrab.v5.1.exe.bim.exeC:\System Volume Information\SPP\OnlineMetadataCache\{05ed3515-06b3-48f6-8cf2-bf24b1bf0727}_OnDiskSnapshotProp
MD5:
SHA256:
3000GrandCrab.v5.1.exe.bim.exeC:\System Volume Information\SPP\OnlineMetadataCache\{16d74681-6bc3-4c44-97f0-8b8dfefe2355}_OnDiskSnapshotProp
MD5:
SHA256:
3000GrandCrab.v5.1.exe.bim.exeC:\System Volume Information\SPP\OnlineMetadataCache\{38e8535f-27d0-4352-aa3a-ce4178930102}_OnDiskSnapshotProp
MD5:
SHA256:
3000GrandCrab.v5.1.exe.bim.exeC:\System Volume Information\SPP\OnlineMetadataCache\{3cc0f82b-873a-4e59-b89f-689fbdf88af9}_OnDiskSnapshotProp
MD5:
SHA256:
3000GrandCrab.v5.1.exe.bim.exeC:\Recovery\CROTPIFB-DECRYPT.txttext
MD5:238BF6270A9180F0E86D6F921464C671
SHA256:09ED6192C7720A8BC07C6DA8498777F605C64A1180E57FAC72C3D4A3B701E546
3000GrandCrab.v5.1.exe.bim.exeC:\Config.Msi\CROTPIFB-DECRYPT.txttext
MD5:238BF6270A9180F0E86D6F921464C671
SHA256:09ED6192C7720A8BC07C6DA8498777F605C64A1180E57FAC72C3D4A3B701E546
3000GrandCrab.v5.1.exe.bim.exeC:\PerfLogs\CROTPIFB-DECRYPT.txttext
MD5:238BF6270A9180F0E86D6F921464C671
SHA256:09ED6192C7720A8BC07C6DA8498777F605C64A1180E57FAC72C3D4A3B701E546
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
2
DNS requests
1
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3000
GrandCrab.v5.1.exe.bim.exe
GET
301
138.201.162.99:80
http://www.kakaocorp.link/
DE
html
162 b
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3000
GrandCrab.v5.1.exe.bim.exe
138.201.162.99:80
www.kakaocorp.link
Hetzner Online GmbH
DE
malicious
3000
GrandCrab.v5.1.exe.bim.exe
138.201.162.99:443
www.kakaocorp.link
Hetzner Online GmbH
DE
malicious

DNS requests

Domain
IP
Reputation
www.kakaocorp.link
  • 138.201.162.99
malicious

Threats

No threats detected
No debug info