MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77a9b2214093e9cbeae4d3b1b4ea8ab3cb3dd84453b6cddfe1089e0c4bb56251. 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


Stop


Vendor detections: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77a9b2214093e9cbeae4d3b1b4ea8ab3cb3dd84453b6cddfe1089e0c4bb56251
SHA3-384 hash: 0c09ab030039cb30a9fb35783df2ec36e47f97c2542d3d2967f222e725f1c83fce891f37b499851061f88107f3092de9
SHA1 hash: cedd161a95f766bb77d7241cfc095bed6f2ad306
MD5 hash: 714f288c2228bc74eb770c7174fb15a1
humanhash: romeo-asparagus-nitrogen-queen
File name:714f288c2228bc74eb770c7174fb15a1.exe
Download: download sample
Signature Stop
Create hunting rule
File size:736'768 bytes
First seen:2021-10-29 05:31:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 18875662b19ade4ddd6bba43f9abb4a3 (12 x RaccoonStealer, 3 x RedLineStealer, 1 x DanaBot)
ssdeep 12288:NMnNVMteGft5czplHsbpo41rujcg4+4+I1QtOMltQnysIDHYunnF7:NkMtee5cwbhkcg4+jt3tQys8z
Threatray 807 similar samples on MalwareBazaar
TLSH T183F412F27269C631C45376729C7A8AA18A7FBD21E930964633B42E1D0934ECE51F522F
File icon (PE):PE icon
dhash icon fcfcb4d4d4d4d8c0 (70 x RedLineStealer, 59 x RaccoonStealer, 24 x Smoke Loader)
Reporter abuse_ch
Tags:exe Ransomware Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Variant.Fragtor.35416.2589.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending an HTTP GET request to an infection source
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:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1594fd31-5bce-4f4e-a9dd-d4dfd1e9792a
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/879043
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found malware configuration
Injects a PE file into a foreign processes
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
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 511474 Sample: cjzu7hTifh.exe Startdate: 29/10/2021 Architecture: WINDOWS Score: 92 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected Djvu Ransomware 2->47 49 2 other signatures 2->49 8 cjzu7hTifh.exe 2->8         started        11 cjzu7hTifh.exe 2->11         started        13 cjzu7hTifh.exe 2->13         started        15 cjzu7hTifh.exe 2->15         started        process3 signatures4 51 Contains functionality to inject code into remote processes 8->51 53 Injects a PE file into a foreign processes 8->53 17 cjzu7hTifh.exe 1 16 8->17         started        55 Multi AV Scanner detection for dropped file 11->55 57 Machine Learning detection for dropped file 11->57 21 cjzu7hTifh.exe 12 11->21         started        23 cjzu7hTifh.exe 12 13->23         started        25 cjzu7hTifh.exe 12 15->25         started        process5 dnsIp6 41 api.2ip.ua 77.123.139.190, 443, 49760, 49765 VOLIA-ASUA Ukraine 17->41 35 C:\Users\user\AppData\...\cjzu7hTifh.exe, PE32 17->35 dropped 37 C:\Users\...\cjzu7hTifh.exe:Zone.Identifier, ASCII 17->37 dropped 27 cjzu7hTifh.exe 17->27         started        30 icacls.exe 17->30         started        file7 process8 signatures9 59 Injects a PE file into a foreign processes 27->59 32 cjzu7hTifh.exe 12 27->32         started        process10 dnsIp11 39 api.2ip.ua 32->39
Detection:
vidar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/77a9b2214093e9cbeae4d3b1b4ea8ab3cb3dd84453b6cddfe1089e0c4bb56251/
Threat name:
Win32.Trojan.Fragtor
Create hunting rule
Status:
Malicious
First seen:
2021-10-28 22:00:17 UTC
AV detection:
25 of 45 (55.56%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=o6u3eikaspu4x2xe2oy3j2ukwpft3wceko3m3x7bbcpays5vmjiq._file
Verdict:
malicious
Similar samples:
0c1571e0f22ecc1c3ed2b80ee90df329d820e287ac0be834aa905726ea96887e
Stop
5651c726a433d942eb9cdbe74c6631178fa3e243e0953e0a55f54f1752e05682
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5d232ce70bfdc3344ad9c117da898e5d72ea5a5ff0704933735abb186714c9f4
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6aae67d87cd2ef23c4b9265c8e83db5142f00154e66e47b1e54219cea794682b
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9afa91c839d958185548eccf40690eb7db7859a852ac06f3870a6165c287d6ba
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adc2c80f4a9f969a641f2674c94bd576420b34d338b12ba5b4cab09e6c51a466
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fd9842238da90428e16ae7954f2ad0f2bda6cfed2bde5f8383a546f7b257f350
Stop
+ 797 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware spyware stealer suricata
Link:
https://tria.ge/reports/211029-f8a75ahddl/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Detected Djvu ransomware
Djvu Ransomware
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
Malware Config
C2 Extraction:
https://mas.to/@xeroxxx
http://rlrz.org/lancer
Unpacked files
SH256 hash:
08e7add564647fa580ca8addba5ed5c25be60b1fef814d4a422dd5d9154c5209
MD5 hash:
61dc58338be2d3439eed3f6e14ceff0d
SHA1 hash:
43801f2b4e9a16d5a21c42bed004f964272a2107
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/70bee2c0-7716-40d9-9149-6145b94e41b8/
Parent samples :
4473839f300ceead336e44aa80b012e0fbd880c2e52c432f95847814049354e7
c9d2ec6165ddea749228a9bd96352f638a665b2d8088b086ee9bf2dacce1f539
db120e118351b75a6b7b19ae4ffa65ef0d5d0ebd438dea2de0276c4af23177f2
52d44751cce977c53335e571317611533fe955f4827fb34656034c0cfe224024
77a9b2214093e9cbeae4d3b1b4ea8ab3cb3dd84453b6cddfe1089e0c4bb56251
934690e391745fca58ca0df6d41952d6f58ed7b18ab8fdda22484b01eb262be8
SH256 hash:
77a9b2214093e9cbeae4d3b1b4ea8ab3cb3dd84453b6cddfe1089e0c4bb56251
MD5 hash:
714f288c2228bc74eb770c7174fb15a1
SHA1 hash:
cedd161a95f766bb77d7241cfc095bed6f2ad306
Link:
https://www.unpac.me/results/70bee2c0-7716-40d9-9149-6145b94e41b8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/77a9b2214093e9cbeae4d3b1b4ea8ab3cb3dd84453b6cddfe1089e0c4bb56251

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:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_stop_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.
Rule name:XOREngine_Misc_XOR_Func
Create hunting rule
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

File information

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

Web download

Stop

Executable exe 77a9b2214093e9cbeae4d3b1b4ea8ab3cb3dd84453b6cddfe1089e0c4bb56251

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1706197/
  
Delivery method
Distributed via web download

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