MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2665f89ba53abd3deb81988c0d5194992214053e77fc89b98b64a31a7504d77. 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


Chaos


Vendor detections: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f2665f89ba53abd3deb81988c0d5194992214053e77fc89b98b64a31a7504d77
SHA3-384 hash: a5e57e9962c3d0feea617fa97dbc23cdf3f79b185a47bbc2b14fbe6f63e0a04451630b4f3a0dd29dca5d93a6d482be6d
SHA1 hash: 17ea75272cfe3749c6727388fd444d2c970f9d01
MD5 hash: 8b855e56e41a6e10d28522a20c1e0341
humanhash: stairway-potato-johnny-neptune
File name:Chaos Ransomware Builder v4.exe
Download: download sample
Signature Chaos
Create hunting rule
File size:563'712 bytes
First seen:2021-08-04 12:49:29 UTC
Last seen:2022-12-18 15:13:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 3072:9UJAYdi2YcRVm16Pn6tpzqJG/sX9i2YcRPm16Pn6ckCjSH5EyR9aKZt18rTu+i2S:9aiWm162qJEsNiym16ryAiym168
TLSH T1C0C4C504AEF48A2FD32947B9E363F11CC7E5A8333652C2667ACD21C96B737A08513756
dhash icon 60e0ca8dadcac060 (4 x Chaos, 1 x RedLineStealer)
Reporter JAMESWT_WT
Tags:Builder Chaos exe Ransomware v4

Intelligence

File Origin
# of uploads :
5
# of downloads :
464
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Chaos Ransomware Builder v4.exe
Verdict:
Malicious activity
Analysis date:
2021-08-04 12:50:10 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/786d7c69-7325-4963-82e1-67bdcb5fafb7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/176326/
Detection(s):
ditekSHen.MALWARE.Win.Trojan.TRAT.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/40668f10-b2ab-459f-904c-920a0f5ca505
Result
Threat name:
Bengalcat Chaos
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/826842
Signature
Deletes shadow drive data (may be related to ransomware)
Detected unpacking (overwrites its own PE header)
Multi AV Scanner detection for submitted file
Yara detected Bengalcat Ransomware
Yara detected Chaos Ransomware
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f2665f89ba53abd3deb81988c0d5194992214053e77fc89b98b64a31a7504d77/
Threat name:
ByteCode-MSIL.Ransomware.RyukCrypt
Create hunting rule
Status:
Malicious
First seen:
2021-08-04 12:49:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
33
AV detection:
14 of 27 (51.85%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6jtf7cn2kov5hxvydgembvizjgjccqct4574rg4ywzfddj2qjv3q._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/210804-hms6jmkq86/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Unpacked files
SH256 hash:
f2665f89ba53abd3deb81988c0d5194992214053e77fc89b98b64a31a7504d77
MD5 hash:
8b855e56e41a6e10d28522a20c1e0341
SHA1 hash:
17ea75272cfe3749c6727388fd444d2c970f9d01
Link:
https://www.unpac.me/results/a04c5566-688a-45a6-9792-a51e612f9df5/
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/f2665f89ba53abd3deb81988c0d5194992214053e77fc89b98b64a31a7504d77

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:INDICATOR_SUSPICIOUS_GENRansomware
Create hunting rule
Author:ditekSHen
Description:detects command variations typically used by ransomware
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

  
X
https://twitter.com/fbgwls245/status/1422900986104872961?s=20
Cape
Cape
https://www.capesandbox.com/analysis/176326/

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