File name:

Gandcrab_5.0.4.exe

Full analysis: https://app.any.run/tasks/232c5459-252b-47c6-ac4d-25d0e67993eb
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: October 11, 2018, 14:23:31
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
ransomware
gandcrab
opendir
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

335859768D9A489EAB3E3CBD157FB98F

SHA1:

18C379B521788FC610623129EC3960DE0F15F19D

SHA256:

9B5B364A32C759ADA38BDC4CBFAAD3ED8DC333F87796E27EEF52A96D43C821A2

SSDEEP:

6144:Q8HMR1aMIM00M2Kkv3FQvI3e28tCdN9BFQvI3e28tCdN9:QH16M00Mw3FjNkMN9BFjNkMN9

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

    • Deletes shadow copies

      • Gandcrab_5.0.4.exe (PID: 2044)
    • Dropped file may contain instructions of ransomware

      • Gandcrab_5.0.4.exe (PID: 2044)
    • Writes file to Word startup folder

      • Gandcrab_5.0.4.exe (PID: 2044)
    • Renames files like Ransomware

      • Gandcrab_5.0.4.exe (PID: 2044)
    • GandCrab keys found

      • Gandcrab_5.0.4.exe (PID: 2044)
    • Actions looks like stealing of personal data

      • Gandcrab_5.0.4.exe (PID: 2044)
  • SUSPICIOUS

    • Creates files like Ransomware instruction

      • Gandcrab_5.0.4.exe (PID: 2044)
    • Reads Internet Cache Settings

      • Gandcrab_5.0.4.exe (PID: 2044)
    • Creates files in the user directory

      • Gandcrab_5.0.4.exe (PID: 2044)
  • INFO

    • Dropped object may contain TOR URL's

      • Gandcrab_5.0.4.exe (PID: 2044)
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

Subsystem: Windows GUI
SubsystemVersion: 5.1
ImageVersion: 0
OSVersion: 5.1
EntryPoint: 0x62f8
UninitializedDataSize: 0
InitializedDataSize: 97280
CodeSize: 81408
LinkerVersion: 12
PEType: PE32
TimeStamp: 2018:09:30 00:01:53+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 29-Sep-2018 22:01:53
Detected languages:
  • English - United States

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: 0x000000E8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 7
Time date stamp: 29-Sep-2018 22:01:53
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
0x00013CC4
0x00013E00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.57495
.rdata
0x00015000
0x00006B84
0x00006C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.60593
.data
0x0001C000
0x0000F894
0x0000DC00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.48966
.rsrc
0x0002C000
0x000001E0
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.71768
.reloc
0x0002D000
0x000013C0
0x00001400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.69088
.GAND
0x0002F000
0x0004BAF0
0x0004BC00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.73491
.CRAB
0x0007B000
0x00000200
0x00000200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.88315

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.91161
381
UNKNOWN
English - United States
RT_MANIFEST

Imports

ADVAPI32.dll
GDI32.dll
KERNEL32.dll
MPR.dll
RPCRT4.dll
SHELL32.dll
USER32.dll
WININET.dll
kernel32.dll
ole32.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
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #GANDCRAB gandcrab_5.0.4.exe wmic.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2044"C:\Users\admin\AppData\Local\Temp\Gandcrab_5.0.4.exe" C:\Users\admin\AppData\Local\Temp\Gandcrab_5.0.4.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
3880"C:\Windows\system32\wbem\wmic.exe" shadowcopy deleteC:\Windows\system32\wbem\wmic.exeGandcrab_5.0.4.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
WMI Commandline Utility
Exit code:
2147749908
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
122
Read events
91
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
284
Text files
207
Unknown types
4

Dropped files

PID
Process
Filename
Type
2044Gandcrab_5.0.4.exeC:\Users\admin\.oracle_jre_usage\90737d32e3abaa4.timestamp
MD5:
SHA256:
2044Gandcrab_5.0.4.exeC:\Users\admin\AppData\Roaming\Adobe\Acrobat\DC\JSCache\GlobData
MD5:
SHA256:
2044Gandcrab_5.0.4.exeC:\Users\admin\AppData\Roaming\Adobe\Acrobat\DC\JSCache\GlobSettings
MD5:
SHA256:
2044Gandcrab_5.0.4.exeC:\Users\admin\AppData\Roaming\Adobe\Acrobat\DC\Security\addressbook.acrodata
MD5:
SHA256:
2044Gandcrab_5.0.4.exeC:\Users\admin\AppData\Roaming\Adobe\Acrobat\DC\Security\CRLCache\0FDED5CEB68C302B1CDB2BDDD9D0000E76539CB0.crl
MD5:
SHA256:
2044Gandcrab_5.0.4.exeC:\Users\admin\AppData\Roaming\Adobe\Acrobat\DC\Security\CRLCache\CE338828149963DCEA4CD26BB86F0363B4CA0BA5.crl
MD5:
SHA256:
2044Gandcrab_5.0.4.exeC:\Users\admin\.oracle_jre_usage\JPRUU-DECRYPT.txttext
MD5:D383157FB6CBBBB1DF251E9EEA67A225
SHA256:04D2C9EAFCA52C4A074614DB10EB818FAE9C26163C8925BC2798572815D6D302
2044Gandcrab_5.0.4.exeC:\Users\admin\AppData\JPRUU-DECRYPT.txttext
MD5:D383157FB6CBBBB1DF251E9EEA67A225
SHA256:04D2C9EAFCA52C4A074614DB10EB818FAE9C26163C8925BC2798572815D6D302
2044Gandcrab_5.0.4.exeC:\Users\admin\AppData\Roaming\Adobe\Acrobat\JPRUU-DECRYPT.txttext
MD5:D383157FB6CBBBB1DF251E9EEA67A225
SHA256:04D2C9EAFCA52C4A074614DB10EB818FAE9C26163C8925BC2798572815D6D302
2044Gandcrab_5.0.4.exeC:\Users\admin\AppData\Roaming\Adobe\Acrobat\DC\Forms\JPRUU-DECRYPT.txttext
MD5:D383157FB6CBBBB1DF251E9EEA67A225
SHA256:04D2C9EAFCA52C4A074614DB10EB818FAE9C26163C8925BC2798572815D6D302