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File name:

1blm.exe

Full analysis: https://app.any.run/tasks/c4a36bdb-e5da-4fc9-97ca-70e345bbed0e
Verdict: Malicious activity
Threats:

Dharma is advanced ransomware that has been observed in the wild since 2016. It is considered to be the second most profitable RaaS operation by the FBI. The malware targets hospitals and state organizations, encrypts files, and demands a payment to restore access to lost information.

Malware Trends Tracker     >>>
Analysis date: September 28, 2020, 15:17:46
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
ransomware
dharma
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

1F6A4160A9AFE021956AFC921DAE881F

SHA1:

DD1A1FBBFEB3595302683ACE3E4EC89519CC1C43

SHA256:

4708750C9A6FDEAEC5F499A3CD26BB5F61DB4F82E66484DC7B44118EFFBB246F

SSDEEP:

1536:mBwl+KXpsqN5vlwWYyhY9S4A7I4yhotfH28NwqYSRVm4qgq:Qw+asqN5aW/hL11RW8NwqJ+3

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

      • cmd.exe (PID: 3132)
      • cmd.exe (PID: 2512)
      • cmd.exe (PID: 392)

    • Runs app for hidden code execution

      • 1blm.exe (PID: 2116)
      • 1blm.exe (PID: 2816)

    • Writes to a start menu file

      • 1blm.exe (PID: 2116)
      • 1blm.exe (PID: 2816)

    • Dharma/Crysis was detected

      • 1blm.exe (PID: 2116)
      • 1blm.exe (PID: 2816)

    • Changes the autorun value in the registry

      • 1blm.exe (PID: 2116)
      • 1blm.exe (PID: 2816)

    • Renames files like Ransomware

      • 1blm.exe (PID: 2816)

  • SUSPICIOUS

    • Starts CMD.EXE for commands execution

      • 1blm.exe (PID: 2116)
      • 1blm.exe (PID: 2816)

    • Application launched itself

      • 1blm.exe (PID: 2116)

    • Executable content was dropped or overwritten

      • 1blm.exe (PID: 2116)
      • 1blm.exe (PID: 2816)

    • Creates files in the user directory

      • 1blm.exe (PID: 2116)

    • Creates files in the Windows directory

      • 1blm.exe (PID: 2816)

    • Executed as Windows Service

      • vssvc.exe (PID: 2776)

    • Creates files in the program directory

      • 1blm.exe (PID: 2116)
      • 1blm.exe (PID: 2816)

  • 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

.dll | Win32 Dynamic Link Library (generic) (43.5)
.exe | Win32 Executable (generic) (29.8)
.exe | Generic Win/DOS Executable (13.2)
.exe | DOS Executable Generic (13.2)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2017:03:03 00:49:06+01:00
PEType: PE32
LinkerVersion: 10
CodeSize: 40448
InitializedDataSize: 54272
UninitializedDataSize: -
EntryPoint: 0xa9d0
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 02-Mar-2017 23:49:06
Debug artifacts:
  • C:\crysis\Release\PDB\payload.pdb

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: 0x000000C8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 02-Mar-2017 23:49:06
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_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00009C25
0x00009E00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.96531
.rdata
0x0000B000
0x00002636
0x00002800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.78504
.data
0x0000E000
0x0000AAD5
0x0000A800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.98151

Imports

KERNEL32.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
52
Monitored processes
12
Malicious processes
5
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start #DHARMA 1blm.exe cmd.exe no specs mode.com no specs vssadmin.exe no specs #DHARMA 1blm.exe cmd.exe no specs cmd.exe no specs mode.com no specs mode.com no specs vssadmin.exe no specs vssadmin.exe no specs vssvc.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2116"C:\Users\admin\AppData\Local\Temp\1blm.exe" C:\Users\admin\AppData\Local\Temp\1blm.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
3132"C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe—1blm.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
2
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
2468mode con cp select=1251C:\Windows\system32\mode.com—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
DOS Device MODE Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
1932vssadmin delete shadows /all /quietC:\Windows\system32\vssadmin.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Command Line Interface for Microsoft® Volume Shadow Copy Service
Exit code:
2
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2816"C:\Users\admin\AppData\Local\Temp\1blm.exe" -aC:\Users\admin\AppData\Local\Temp\1blm.exe
1blm.exe
User:
admin
Integrity Level:
HIGH
392"C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe—1blm.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
2512"C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe—1blm.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
1540mode con cp select=1251C:\Windows\system32\mode.com—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
DOS Device MODE Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
3036mode con cp select=1251C:\Windows\system32\mode.com—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
DOS Device MODE Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2780vssadmin delete shadows /all /quietC:\Windows\system32\vssadmin.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Command Line Interface for Microsoft® Volume Shadow Copy Service
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
387
Read events
380
Write events
0
Delete events
0

Modification events

No data
Executable files
5
Suspicious files
465
Text files
2
Unknown types
12

Dropped files

PID
Process
Filename
Type
21161blm.exeC:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\desktop.ini —
MD5:—
SHA256:—
21161blm.exeC:\Users\admin\AppData\Local\VirtualStore\Program Files\Adobe\Acrobat Reader DC\Leame.htm —
MD5:—
SHA256:—
21161blm.exeC:\Users\admin\AppData\Local\VirtualStore\Program Files\Adobe\Acrobat Reader DC\Berime.htm —
MD5:—
SHA256:—
21161blm.exeC:\Users\admin\AppData\Local\VirtualStore\Program Files\Adobe\Acrobat Reader DC\IrakHau.htm —
MD5:—
SHA256:—
21161blm.exeC:\Users\admin\AppData\Local\VirtualStore\Program Files\Adobe\Acrobat Reader DC\Benioku.htm —
MD5:—
SHA256:—
21161blm.exeC:\Users\admin\AppData\Local\VirtualStore\Program Files\Adobe\Acrobat Reader DC\Reader\AcroApp\CAT\AppCenter_R.aapp —
MD5:—
SHA256:—
21161blm.exeC:\Users\admin\AppData\Local\VirtualStore\Program Files\Adobe\Acrobat Reader DC\Reader\AcroApp\CAT\Certificates_R.aapp —
MD5:—
SHA256:—
21161blm.exeC:\Users\admin\AppData\Local\VirtualStore\Program Files\Adobe\Acrobat Reader DC\Reader\AcroApp\CAT\Comments.aapp —
MD5:—
SHA256:—
21161blm.exeC:\Users\admin\AppData\Local\VirtualStore\Program Files\Adobe\Acrobat Reader DC\Reader\AcroApp\CAT\Combine_R_RHP.aapp —
MD5:—
SHA256:—
21161blm.exeC:\Users\admin\AppData\Local\VirtualStore\Program Files\Adobe\Acrobat Reader DC\LeesMij.htm —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

No data

DNS requests

No data

Threats

No threats detected
No debug info
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Reports
1blm.exe