MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 929dea381136f491a6b9e291182835ab8d9b190614fed258d744cac0939aada4. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 929dea381136f491a6b9e291182835ab8d9b190614fed258d744cac0939aada4
SHA3-384 hash: d30687bb463618e2dab4cf34d1ca7f934154b4e9babf98948526daece69d48a6e5d1d60ba8697b6d491762754aaf000e
SHA1 hash: 8830a08089cec18587c202e3adfc25940a40eace
MD5 hash: 9b163a5ca8bdb527de702718ce487383
humanhash: november-seven-jersey-network
File name:929dea381136f491a6b9e291182835ab8d9b190614fed258d744cac0939aada4
Download: download sample
Signature Sage
Create hunting rule
File size:416'256 bytes
First seen:2020-07-29 07:20:34 UTC
Last seen:2020-07-29 07:52:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 8c1c08278267de8658ab678d7c5a6015 (9 x Sage)
ssdeep 6144:b2EDYH4aaPx2v909HPNvg/7K4GHTOmVcdKsXv5o7bKSMwaM0hY:CV5l09lg/7HGqmm0sXv5gKSMwaM0hY
Threatray 78 similar samples on MalwareBazaar
TLSH 5D94BF11F3E090B1D1B20536067A9B625A3E3D219D20C96BF7E47E1EDAB01D0EB36767
Reporter JAMESWT_WT
Tags:Sage

Intelligence

File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Sage
Create hunting rule
Link:
https://www.capesandbox.com/analysis/34370/
Detection(s):
PUA.Win.Downloader.Aiis-6803892-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a process from a recently created file
Creating a window
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:
Sage
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/401581
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 253045 Sample: Ykf2nvf2W9 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 Ykf2nvf2W9.exe 5 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 103 8->14         started        18 wscript.exe 8->18         started        20 schtasks.exe 1 8->20         started        22 Ykf2nvf2W9.exe 1 8->22         started        24 Rj3fNWF3.exe 12->24         started        signatures5 process6 file7 46 C:\Users\user\Documents\ATJBEMHSSB.pdf..., DOS 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       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/929dea381136f491a6b9e291182835ab8d9b190614fed258d744cac0939aada4/
Threat name:
Win32.Ransomware.SageCrypt
Create hunting rule
Status:
Malicious
First seen:
2020-07-28 16:18:44 UTC
File Type:
PE (Exe)
Extracted files:
39
AV detection:
35 of 48 (72.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sko6uoarg32jdjvz4kirqkbvvogzwgigct7newgxitfmbe42vwsa._file
Verdict:
malicious
Similar samples:
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146fb5b594f6b9da202cd0d303548afb1f364ca93c27c44e2f442b1fe26ff77f
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19a05417793c14ee11b2ca7c32f96cbf70f15cae8b26aec7c2e3fc3c0a0f94e7
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359a83d05d6d30510f26f95146ddad7da943eb4e7014fa5c3a6caa41ac102681
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41ad22e98d897261ae57cd021c5dd9fbbc09f1fb39765e0d1b68a78625840555
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594af48b4da21f654d0ceadede4257865f96d9ae3b1f2ef4a96298a9385c7b2c
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8fecf056f3580282cdb101c01e354425f208656fb7e5c5dcad19c64a62197184
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cfce8a1632b5e76de8a495604fe72f908e6272a78aa709e2c202d25a51860952
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d48065a0aafccae7758e31d78cf01e08e85269324d5bc4b5048138c9a6603ef8
Sage
+ 68 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
ransomware persistence
Link:
https://tria.ge/reports/200729-gy8m5vzfye/
Behaviour
Interacts with shadow copies
Modifies Control Panel
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Modifies Control Panel
Creates scheduled task(s)
Modifies registry class
Interacts with shadow copies
Suspicious use of AdjustPrivilegeToken
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Sets desktop wallpaper using registry
Modifies service
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
Modifies extensions of user files
Executes dropped EXE
Deletes shadow copies
Deletes shadow copies
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/929dea381136f491a6b9e291182835ab8d9b190614fed258d744cac0939aada4

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/34370/

Comments