analyze malware
  • Huge database of samples and IOCs
  • Custom VM setup
  • Unlimited submissions
  • Interactive approach
Sign up, it’s free
File name:

RakhniDecryptor.exe

Full analysis: https://app.any.run/tasks/6d97bb32-383a-4e8e-86cc-ffe9a76ff51e
Verdict: Malicious activity
Analysis date: March 31, 2020, 11:17:24
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

2B13B937BB824F5E668167F1884DDFAC

SHA1:

B2D3BDD16CABF3848A61AC5877567DD69BCE6BD4

SHA256:

C2A18A36AFC82F06671B678FCA4EA13728C67C26B65E58720D20233DEA63F100

SSDEEP:

98304:JsTgq0ys13y+aDqmwkRmk8S3UieYfReQe1mI47GaJh/RuPE/Ewh+rHGg7mEIKF:8s13yBuhkRDk+fy1147GaJFgEswhgm1W

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

    • Application was dropped or rewritten from another process

      • {9CF55965-A84A-4ED6-A93D-B8E18BBE710B}.exe (PID: 3068)

    • Changes settings of System certificates

      • {9CF55965-A84A-4ED6-A93D-B8E18BBE710B}.exe (PID: 3068)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • RakhniDecryptor.exe (PID: 2404)

    • Adds / modifies Windows certificates

      • {9CF55965-A84A-4ED6-A93D-B8E18BBE710B}.exe (PID: 3068)

  • INFO

    • Reads settings of System Certificates

      • {9CF55965-A84A-4ED6-A93D-B8E18BBE710B}.exe (PID: 3068)
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) (76.4)
.exe | Win32 Executable (generic) (12.4)
.exe | Generic Win/DOS Executable (5.5)
.exe | DOS Executable Generic (5.5)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2019:04:18 17:40:37+02:00
PEType: PE32
LinkerVersion: 14
CodeSize: 74240
InitializedDataSize: 5383680
UninitializedDataSize: -
EntryPoint: 0x2ef0
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI
FileVersionNumber: 1.22.1.0
ProductVersionNumber: 1.22.1.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Windows NT 32-bit
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
CompanyName: Kaspersky Lab ZAO
LegalCopyright: © 1997-2015 Kaspersky Lab ZAO.
LegalTrademarks: Kaspersky™ Anti-Virus ® is registered trademark of Kaspersky Lab ZAO.
ProductName: RakhniDecryptor
ProductVersion: 1.22.1.0
FileVersion: 1.22.1.0
FileDescription: Trojan-Ransom.Win32.Rakhni decryption tool
InternalName: RakhniDecryptor
OriginalFileName: RakhniDecryptor.exe

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 18-Apr-2019 15:40:37
Detected languages:
  • English - United States
  • Russian - Russia
Debug artifacts:
  • C:\Perforce\All\virlab\anti_rootkit\research\KlDropper\Release\KlDropper.pdb
CompanyName: Kaspersky Lab ZAO
LegalCopyright: © 1997-2015 Kaspersky Lab ZAO.
LegalTrademarks: Kaspersky™ Anti-Virus ® is registered trademark of Kaspersky Lab ZAO.
ProductName: RakhniDecryptor
ProductVersion: 1.22.1.0
FileVersion: 1.22.1.0
FileDescription: Trojan-Ransom.Win32.Rakhni decryption tool
InternalName: RakhniDecryptor
OriginalFilename: RakhniDecryptor.exe

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: 18-Apr-2019 15:40:37
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
0x0001212F
0x00012200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.62798
.rdata
0x00014000
0x00006F7A
0x00007000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.19943
.data
0x0001B000
0x00001394
0x00000A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
2.29802
.rsrc
0x0001D000
0x00519984
0x00519A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.99192
.reloc
0x00537000
0x000010C4
0x00001200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.347

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.01229
633
Latin 1 / Western European
English - United States
RT_MANIFEST
2
2.70591
488
Latin 1 / Western European
Russian - Russia
RT_ICON
3
2.72293
296
Latin 1 / Western European
Russian - Russia
RT_ICON
4
3.39609
3752
Latin 1 / Western European
Russian - Russia
RT_ICON
5
2.99642
2216
Latin 1 / Western European
Russian - Russia
RT_ICON
6
3.04565
1736
Latin 1 / Western European
Russian - Russia
RT_ICON
7
1.27489
1384
Latin 1 / Western European
Russian - Russia
RT_ICON
101
7.99388
5334680
Latin 1 / Western European
Russian - Russia
RT_RCDATA
102
2.95517
104
Latin 1 / Western European
Russian - Russia
RT_GROUP_ICON

Imports

ADVAPI32.dll
KERNEL32.dll
RPCRT4.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
39
Monitored processes
3
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start rakhnidecryptor.exe no specs rakhnidecryptor.exe {9cf55965-a84a-4ed6-a93d-b8e18bbe710b}.exe

Process information

PID
CMD
Path
Indicators
Parent process
3864"C:\Users\admin\AppData\Local\Temp\RakhniDecryptor.exe" C:\Users\admin\AppData\Local\Temp\RakhniDecryptor.exe—explorer.exe
User:
admin
Company:
Kaspersky Lab ZAO
Integrity Level:
MEDIUM
Description:
Trojan-Ransom.Win32.Rakhni decryption tool
Exit code:
3221226540
Version:
1.22.1.0
2404"C:\Users\admin\AppData\Local\Temp\RakhniDecryptor.exe" C:\Users\admin\AppData\Local\Temp\RakhniDecryptor.exe
explorer.exe
User:
admin
Company:
Kaspersky Lab ZAO
Integrity Level:
HIGH
Description:
Trojan-Ransom.Win32.Rakhni decryption tool
Exit code:
0
Version:
1.22.1.0
3068"C:\Users\admin\AppData\Local\Temp\{E91BE5B8-FE9B-40EF-8FB8-1993EF8B095A}\{9CF55965-A84A-4ED6-A93D-B8E18BBE710B}.exe" C:\Users\admin\AppData\Local\Temp\{E91BE5B8-FE9B-40EF-8FB8-1993EF8B095A}\{9CF55965-A84A-4ED6-A93D-B8E18BBE710B}.exe
RakhniDecryptor.exe
User:
admin
Company:
Kaspersky Lab ZAO
Integrity Level:
HIGH
Description:
Trojan-Ransom.Win32.Rakhni decryption tool
Exit code:
0
Version:
1.22.1.0
Total events
1 743
Read events
522
Write events
0
Delete events
0

Modification events

No data
Executable files
1
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
3068{9CF55965-A84A-4ED6-A93D-B8E18BBE710B}.exeC:\RakhniDecryptor.1.22.1.0_31.03.2020_12.17.51_log.txttext
MD5:5FA27AFADE70C1A4480E183BA9FDA691
SHA256:33D5B72FCC439B73C0E235229F8AFF35EEB88AC3065DB6E4A585CE335F4F4EFF
2404RakhniDecryptor.exeC:\Users\admin\AppData\Local\Temp\{E91BE5B8-FE9B-40EF-8FB8-1993EF8B095A}\{9CF55965-A84A-4ED6-A93D-B8E18BBE710B}.exeexecutable
MD5:FA6415E74A915959005F4F35F10A0AA3
SHA256:A03C9835DCCEC64647C959E49588BE0CD552BCF8B8B958055482A57C4F748134
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2
DNS requests
1
Threats
0

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
3068
{9CF55965-A84A-4ED6-A93D-B8E18BBE710B}.exe
185.85.15.38:80
support.kaspersky.com
Kaspersky Lab AO
RU
suspicious
3068
{9CF55965-A84A-4ED6-A93D-B8E18BBE710B}.exe
185.85.15.38:443
support.kaspersky.com
Kaspersky Lab AO
RU
suspicious

DNS requests

Domain
IP
Reputation
support.kaspersky.com
  • 185.85.15.38
whitelisted

Threats

Found threats are available for the paid subscriptions
1 ETPRO signatures available at the full report
No debug info
Interactive malware hunting service ANY.RUN
© 2017-2024 ANY.RUN LLC. ALL RIGHTS RESERVED
ANY.RUN
Reports
RakhniDecryptor.exe