MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfce8a1632b5e76de8a495604fe72f908e6272a78aa709e2c202d25a51860952. 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



Sage


Vendor detections: 8


Intelligence 8 IOCs YARA File information Comments

SHA256 hash: cfce8a1632b5e76de8a495604fe72f908e6272a78aa709e2c202d25a51860952
SHA3-384 hash: 1d2febd1fd97ebb1a9e8141f4d6c783a3c99fa2815f9f10ec07b43ad2090dad2c17364a0584978fc5cca7389cedcc7a0
SHA1 hash: 56de801ca6a25ff7d161907b0adb222a212045fc
MD5 hash: 9811130f0d0c9567fce1f400c6f64edb
humanhash: mockingbird-pennsylvania-zulu-shade
File name:cfce8a1632b5e76de8a495604fe72f908e6272a78aa709e2c202d25a51860952
Download: download sample
Signature Sage
File size:416'256 bytes
First seen:2020-07-29 07:20:39 UTC
Last seen:2020-07-29 07:53:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 8c1c08278267de8658ab678d7c5a6015 (9 x Sage)
ssdeep 6144:m2EDYH4aaPx2v909HPNvg/7K4GHTOmicdKsXv5o7bKSMwaM0hY:zV5l09lg/7HGqmP0sXv5gKSMwaM0hY
Threatray 76 similar samples on MalwareBazaar
TLSH 3294BF11F3E090B1D1B20536067A9B625A3E3D219D20C96BF7E47E1EDAB01D0EB36767
Reporter JAMESWT_WT
Tags:Sage

Intelligence


File Origin
# of uploads :
2
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% directory
Launching a process
Creating a process with a hidden window
Creating a file in the %temp% directory
Creating a process from a recently created file
Deleting a recently created file
Reading critical registry keys
Creating a file
Moving a recently created file
Changing a file
Creating a file in the %AppData% subdirectories
Deleting volume shadow copies
Stealing user critical data
Creating a file in the mass storage device
Enabling autorun with the shell\open\command registry branches
Enabling autorun with Startup directory
Deleting of the original file
Encrypting user's files
Result
Threat name:
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Signature
Deletes itself after installation
Deletes shadow drive data (may be related to ransomware)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found Tor onion address
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
PE file has a writeable .text section
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Sage
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 253053 Sample: oVfsbzuot4 Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 48 Malicious sample detected (through community Yara rule) 2->48 50 Yara detected Sage 2->50 52 Machine Learning detection for sample 2->52 54 4 other signatures 2->54 8 oVfsbzuot4.exe 4 7 2->8         started        12 Rj3fNWF3.exe 2 2->12         started        process3 file4 44 C:\Users\user\AppData\Roaming\Rj3fNWF3.exe, PE32 8->44 dropped 56 Detected unpacking (changes PE section rights) 8->56 58 Detected unpacking (overwrites its own PE header) 8->58 14 Rj3fNWF3.exe 137 8->14         started        18 wscript.exe 8->18         started        20 schtasks.exe 1 8->20         started        22 oVfsbzuot4.exe 1 8->22         started        24 Rj3fNWF3.exe 12->24         started        signatures5 process6 file7 46 C:\Users\user\Documents\...\QCOILOQIKC.pdf..., VAX-order 14->46 dropped 60 Detected unpacking (changes PE section rights) 14->60 62 Detected unpacking (overwrites its own PE header) 14->62 64 Machine Learning detection for dropped file 14->64 68 2 other signatures 14->68 26 vssadmin.exe 14->26         started        28 vssadmin.exe 14->28         started        30 vssadmin.exe 14->30         started        34 5 other processes 14->34 66 Deletes itself after installation 18->66 32 conhost.exe 20->32         started        signatures8 process9 process10 36 conhost.exe 26->36         started        38 conhost.exe 28->38         started        40 conhost.exe 30->40         started        42 conhost.exe 34->42         started       
Threat name:
Win32.Ransomware.SageCrypt
Status:
Malicious
First seen:
2020-07-28 16:22:09 UTC
File Type:
PE (Exe)
Extracted files:
39
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
ransomware persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Modifies Control Panel
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Interacts with shadow copies
Suspicious behavior: EnumeratesProcesses
Interacts with shadow copies
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Modifies registry class
Modifies Control Panel
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Modifies service
Sets desktop wallpaper using registry
Modifies service
Sets desktop wallpaper using registry
JavaScript code in executable
JavaScript code in executable
Loads dropped DLL
Deletes itself
Deletes itself
Executes dropped EXE
Modifies extensions of user files
Executes dropped EXE
Modifies extensions of user files
Deletes shadow copies
Deletes shadow copies
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

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