MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0f5ed9c64792717b7c69940fc2e3db1a1b21515b506ab1de34da534012a5cac2. 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


JobCrypter


Vendor detections: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0f5ed9c64792717b7c69940fc2e3db1a1b21515b506ab1de34da534012a5cac2
SHA3-384 hash: 2489a4659a3ecfc7b33995b82bdfdbc4fb719cbc6446542fb5b89cbd53747d20b9de3557bdf07140122c90858ba58f3f
SHA1 hash: fc7b99e6f666784c804190b3a45563c153c83cb2
MD5 hash: 2185400e57eccfe7a305caad403dcd37
humanhash: monkey-jupiter-ink-fanta
File name:yokingg.bin
Download: download sample
Signature JobCrypter
Create hunting rule
File size:211'458 bytes
First seen:2021-03-22 07:44:43 UTC
Last seen:2021-03-22 09:35:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:7Bq81bzwf9LzH2lbNqEyo7W1ivY53PN1VeYM:FZ1YzWlb/yoC0vY5FiR
Threatray 557 similar samples on MalwareBazaar
TLSH 1124396E76D40F10CA5819B0C1E7993407E3EA8B7377D74A3E4416DA0E027A8EEDA7C5
Reporter JAMESWT_WT
Tags:exe Filecoder.ABC JobCrypter

Intelligence

File Origin
# of uploads :
2
# of downloads :
1'416
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
555411442.js
Verdict:
Malicious activity
Analysis date:
2021-03-22 07:43:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5d5eca7a-eed7-4cf6-aff0-8312e81a9bbe

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.14245.23710.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Creating a file
Changing a file
Modifying an executable file
Enabling autorun by creating a file
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Gathering data
Result
Threat name:
Unknown
Detection:
malicious
Classification:
rans.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/647469
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Drops script or batch files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sets debug register (to hijack the execution of another thread)
Sigma detected: Drops script at startup location
Writes a notice file (html or txt) to demand a ransom
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 372699 Sample: yokingg.bin Startdate: 22/03/2021 Architecture: WINDOWS Score: 88 36 Multi AV Scanner detection for submitted file 2->36 38 Sigma detected: Drops script at startup location 2->38 40 .NET source code contains method to dynamically call methods (often used by packers) 2->40 42 Machine Learning detection for sample 2->42 6 yokingg.exe 11 2->6         started        11 wscript.exe 1 2->11         started        process3 dnsIp4 32 smtp.ionos.fr 213.165.67.103, 49720, 49724, 587 ONEANDONE-ASBrauerstrasse48DE Germany 6->32 18 C:\Users\user\AppData\RoamingRFFREEED.exe, PE32 6->18 dropped 20 C:\Users\user\AppData\Roaming\...\REZZZS.js, ASCII 6->20 dropped 22 C:\Users\...RFFREEED.exe:Zone.Identifier, ASCII 6->22 dropped 24 2 other malicious files 6->24 dropped 44 Drops script or batch files to the startup folder 6->44 46 Writes a notice file (html or txt) to demand a ransom 6->46 48 Sets debug register (to hijack the execution of another thread) 6->48 13 ERFFREEED.exe 13 11->13         started        file5 signatures6 process7 dnsIp8 34 smtp.ionos.fr 13->34 26 C:\MSOCache\All Users\...\ose.exe.txt, ASCII 13->26 dropped 28 C:\MSOCache\All Users\...\ProPlusWW.xml.txt, ASCII 13->28 dropped 30 C:\MSOCache\All Users\...\Office64WW.xml.txt, ASCII 13->30 dropped 50 Multi AV Scanner detection for dropped file 13->50 52 Machine Learning detection for dropped file 13->52 54 Writes a notice file (html or txt) to demand a ransom 13->54 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0f5ed9c64792717b7c69940fc2e3db1a1b21515b506ab1de34da534012a5cac2/
Threat name:
Win32.PUA.Wacapew
Create hunting rule
Status:
Malicious
First seen:
2021-03-22 07:45:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
11 of 47 (23.40%)
Threat level:
  1/5
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
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JobCrypter
+ 547 additional samples on MalwareBazaar
Result
Malware family:
ryuk
Create hunting rule
Score:
  10/10
Tags:
family:ryuk ransomware spyware stealer
Link:
https://tria.ge/reports/210322-a1ycj5rb4e/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops startup file
Reads user/profile data of web browsers
Ryuk
Unpacked files
SH256 hash:
d56ecd48789d7001b9e7d436d9890dc7fc9b63d21b3370b8ba1483600baa6d2e
MD5 hash:
c76e46802f4acc38411805517580e943
SHA1 hash:
fa86996944a223450db5d43af26d2420f274a283
Link:
https://www.unpac.me/results/9b4521a8-91ad-49a3-837f-b0c839551889/
SH256 hash:
0f5ed9c64792717b7c69940fc2e3db1a1b21515b506ab1de34da534012a5cac2
MD5 hash:
2185400e57eccfe7a305caad403dcd37
SHA1 hash:
fc7b99e6f666784c804190b3a45563c153c83cb2
Link:
https://www.unpac.me/results/9b4521a8-91ad-49a3-837f-b0c839551889/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/0f5ed9c64792717b7c69940fc2e3db1a1b21515b506ab1de34da534012a5cac2

File information

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

Comments