MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0fb8417720da120c09f19ad62030bf1dc7f51b74326582f2f9d4488d426a800. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Threat unknown


Vendor detections: 10


Intelligence 10 IOCs YARA 6 File information Comments

SHA256 hash: a0fb8417720da120c09f19ad62030bf1dc7f51b74326582f2f9d4488d426a800
SHA3-384 hash: ddc55c2022069867601a5ea41c6c899902180dc76572c27474b3d1c7d5097e54fdf6aca71f29af0eef699a6a3c089f46
SHA1 hash: bafda67a9dd19795584ed8679d3a0e5b36d2432a
MD5 hash: a07ad47b052c812a2c2da5b1787855f4
humanhash: early-kentucky-grey-ceiling
File name:a07ad47b052c812a2c2da5b1787855f4.exe
Download: download sample
File size:28'672 bytes
First seen:2022-01-01 15:41:16 UTC
Last seen:2022-01-01 17:31:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:VFSI3IplDFSI3IxfIAuxI5IagIcITBIplFQKIKBwKDhrhihT6uokwlwAoox5qgHe:pRukcp08LDo5OXcFulaD9M+TygaQ
Threatray 1'092 similar samples on MalwareBazaar
TLSH T1C7D2D814FEF7459CE17FBE3A8DE643874670B542A839E32F19A1039E1A736104A52F72
Reporter abuse_ch
Tags:exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
217
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a07ad47b052c812a2c2da5b1787855f4.exe
Verdict:
Malicious activity
Analysis date:
2022-01-01 15:45:20 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a service
Changing a file
Modifying an executable file
Deleting volume shadow copies
Enabling autorun
Encrypting user's files
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
anti-vm evasive filecoder fingerprint obfuscated overlay packed ransomware stealer
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
Conti Voidcrypt
Detection:
malicious
Classification:
rans.evad
Score:
87 / 100
Signature
Contains functionality to disable the Task Manager (.Net Source)
Creates an undocumented autostart registry key
Deletes shadow drive data (may be related to ransomware)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: Shadow Copies Deletion Using Operating Systems Utilities
Sigma detected: WannaCry Ransomware
Uses bcdedit to modify the Windows boot settings
Yara detected Conti ransomware
Yara detected Voidcrypt Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 546956 Sample: e6EEK2FCem.exe Startdate: 01/01/2022 Architecture: WINDOWS Score: 87 45 Sigma detected: WannaCry Ransomware 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 7 other signatures 2->51 7 e6EEK2FCem.exe 4 3 2->7         started        11 OpenWith.exe 17 8 2->11         started        process3 file4 37 C:\Users\user\Desktop\...\IZMFBFKMEB.docx, ASCII 7->37 dropped 39 C:\Users\user\Desktop\...behaviorgraphNLQNHOLWB.xlsx, ASCII 7->39 dropped 41 C:\Users\user\Desktop\...\BUFZSQPCOH.jpg, ASCII 7->41 dropped 43 2 other malicious files 7->43 dropped 53 Deletes shadow drive data (may be related to ransomware) 7->53 55 Uses bcdedit to modify the Windows boot settings 7->55 57 Modifies existing user documents (likely ransomware behavior) 7->57 13 cmd.exe 1 7->13         started        16 cmd.exe 1 7->16         started        18 WerFault.exe 23 9 7->18         started        21 2 other processes 7->21 signatures5 process6 file7 59 Deletes shadow drive data (may be related to ransomware) 13->59 23 WMIC.exe 1 13->23         started        25 conhost.exe 13->25         started        27 vssadmin.exe 1 13->27         started        61 Creates an undocumented autostart registry key 16->61 29 conhost.exe 16->29         started        35 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 18->35 dropped 31 conhost.exe 21->31         started        33 conhost.exe 21->33         started        signatures8 process9
Threat name:
ByteCode-MSIL.Ransomware.RozbehCrypt
Status:
Malicious
First seen:
2021-12-28 03:09:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 43 (58.14%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
ransomware
Behaviour
Interacts with shadow copies
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Drops desktop.ini file(s)
Deletes shadow copies
Unpacked files
SH256 hash:
a0fb8417720da120c09f19ad62030bf1dc7f51b74326582f2f9d4488d426a800
MD5 hash:
a07ad47b052c812a2c2da5b1787855f4
SHA1 hash:
bafda67a9dd19795584ed8679d3a0e5b36d2432a
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Destructive_Ransomware_Gen1
Author:Florian Roth
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:Destructive_Ransomware_Gen1_RID31CB
Author:Florian Roth
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
Author:ditekSHen
Description:Detects executables containing URLs to raw contents of a Github gist
Rule name:INDICATOR_SUSPICIOUS_GENRansomware
Author:ditekSHen
Description:detects command variations typically used by ransomware
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

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