MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 543e39242762d61e740f9c22c173f914cf01dd88c22ad61e65d2c18d9f5162ca. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 543e39242762d61e740f9c22c173f914cf01dd88c22ad61e65d2c18d9f5162ca
SHA3-384 hash: dfbdb14342922c88c0f965fa7890eb53bc1e7fdf112c3d93e23cda1056cf146967a904cce347710e95b10da89b872ee8
SHA1 hash: c84f4947f17e6dc46d420307feb920cd500fb1bb
MD5 hash: e82fcd653029059ccfb7cbb23fbb041e
humanhash: wyoming-nevada-robin-nitrogen
File name:543e39242762d61e740f9c22c173f914cf01dd88c22ad61e65d2c18d9f5162ca.bin
Download: download sample
Signature Chaos
Create hunting rule
File size:1'526'272 bytes
First seen:2022-01-17 06:48:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Bl/0F4QoLcwX5lzxTZWMhZA5fCcUDIuJ7S8Lmftj58PUu545/QGAulW5fAPlEX6U:b0SOfpQ3KfrtlWvanJUWuivEqDMaWr7
Threatray 379 similar samples on MalwareBazaar
TLSH T15E655C2439FE901AB2B3EF665FE8B5EBDA6FB7733A06645D104103460623D41DE8253E
File icon (PE):PE icon
dhash icon e6e6a6cc13361a1f (1 x Chaos)
Reporter JAMESWT_WT
Tags:Chaos exe POLIZIA DI STATO POLIZIA_DI_STATO

Intelligence

File Origin
# of uploads :
1
# of downloads :
236
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
543e39242762d61e740f9c22c173f914cf01dd88c22ad61e65d2c18d9f5162ca.bin
Verdict:
Malicious activity
Analysis date:
2022-01-17 06:49:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/978a81d0-01a3-4603-b90f-9ac956164ad4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Chaos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/219724/
Detection(s):
Win.Ransomware.Hydracrypt-9878672-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Sending a custom TCP request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Moving a recently created file
Changing a file
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Modifying an executable file
Unauthorized injection to a recently created process
Creating a file in the mass storage device
Stealing user critical data
Enabling autorun by creating a file
Encrypting user's files
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cmd.exe control.exe obfuscated packed replace.exe wmic.exe
Link:
https://www.filescan.io/uploads/61e5115f0f8c757253c33ffc/reports/0afea86c-9837-4eaa-9e16-d9809377fcef/overview
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:
CHAOS Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fa3ff062-3164-49da-960a-2aa09bfff370
Result
Threat name:
Polizia Ransomware
Create hunting rule
Detection:
malicious
Classification:
rans.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/921568
Signature
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Deletes shadow drive data (may be related to ransomware)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for dropped file
Machine Learning detection for sample
May disable shadow drive data (uses vssadmin)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: Drops script at startup location
Sigma detected: Shadow Copies Deletion Using Operating Systems Utilities
Yara detected Polizia Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 554047 Sample: zVTa3up8mh.bin Startdate: 17/01/2022 Architecture: WINDOWS Score: 100 47 Antivirus / Scanner detection for submitted sample 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 Yara detected Polizia Ransomware 2->51 53 6 other signatures 2->53 8 zVTa3up8mh.exe 4 2->8         started        12 ArchivioAmatoriali.exe 1 2->12         started        14 notepad.exe 2->14         started        16 OpenWith.exe 2->16         started        process3 file4 39 C:\Users\user\...\ArchivioAmatoriali.exe, PE32 8->39 dropped 41 C:\...\ArchivioAmatoriali.exe:Zone.Identifier, ASCII 8->41 dropped 43 C:\Users\user\AppData\...\zVTa3up8mh.exe.log, ASCII 8->43 dropped 67 Detected unpacking (overwrites its own PE header) 8->67 18 ArchivioAmatoriali.exe 43 8->18         started        45 C:\Users\user\...\ArchivioAmatoriali.exe.log, ASCII 12->45 dropped signatures5 process6 file7 31 C:\Users\user\Desktop\...\ZTGJILHXQB.docx, ASCII 18->31 dropped 33 C:\Users\user\Desktop\...behaviorgraphAOBCVIQIJ.mp3, ASCII 18->33 dropped 35 C:\Users\user\Desktop\ZTGJILHXQB.docx, ASCII 18->35 dropped 37 C:\Users\user\...\ArchivioAmatoriali.url, MS 18->37 dropped 55 Antivirus detection for dropped file 18->55 57 Multi AV Scanner detection for dropped file 18->57 59 Detected unpacking (overwrites its own PE header) 18->59 61 3 other signatures 18->61 22 cmd.exe 1 18->22         started        signatures8 process9 signatures10 63 May disable shadow drive data (uses vssadmin) 22->63 65 Deletes shadow drive data (may be related to ransomware) 22->65 25 conhost.exe 22->25         started        27 WMIC.exe 1 22->27         started        29 vssadmin.exe 1 22->29         started        process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/543e39242762d61e740f9c22c173f914cf01dd88c22ad61e65d2c18d9f5162ca/
Threat name:
ByteCode-MSIL.Ransomware.FileCoder
Create hunting rule
Status:
Malicious
First seen:
2022-01-15 12:35:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
24 of 27 (88.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kq7dsjbhmllb45aptqrmc47zcthqdxmiyivnmhtf2lay3h2rmlfa._file
Verdict:
malicious
Label(s):
ryuk
Create hunting rule
Similar samples:
076ef4ca884b774579713f120329d8c3b7b973f41ff17a50f221cd3d3bbf1377
Chaos
0d683d2e4fa69e5a5780ffcec285131df7d3467d0f5483ad7d1e918160817886
Chaos
1ba5ab55b7212ba92a9402677e30e45f12d98a98f78cdcf5864a67d6c264d053
Chaos
2169f4931cb7ddeffcb816a487491c0df2035162f3b6652352b42dbceaace7fd
Chaos
543e39242762d61e740f9c22c173f914cf01dd88c22ad61e65d2c18d9f5162ca
Chaos
b103fc649787eb1f6121df8174d0f16aaac736fb53f5f078d312871189285956
Chaos
db7681db479489fe2319d8eb00090749b4a56cb97cbe3c0f867a0f7a66a37f9f
Chaos
+ 369 additional samples on MalwareBazaar
Result
Malware family:
chaos
Create hunting rule
Score:
  10/10
Tags:
family:chaos evasion ransomware spyware stealer
Link:
https://tria.ge/reports/220117-hlb71shbcl/
Behaviour
Checks processor information in registry
Interacts with shadow copies
Opens file in notepad (likely ransom note)
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Sets desktop wallpaper using registry
Drops desktop.ini file(s)
Checks computer location settings
Drops startup file
Reads user/profile data of web browsers
Deletes backup catalog
Executes dropped EXE
Modifies extensions of user files
Deletes shadow copies
Modifies boot configuration data using bcdedit
Chaos
Chaos Ransomware
Unpacked files
SH256 hash:
543e39242762d61e740f9c22c173f914cf01dd88c22ad61e65d2c18d9f5162ca
MD5 hash:
e82fcd653029059ccfb7cbb23fbb041e
SHA1 hash:
c84f4947f17e6dc46d420307feb920cd500fb1bb
Link:
https://www.unpac.me/results/9e45b81c-44cf-481b-80f0-d9d75c9a980c/
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/543e39242762d61e740f9c22c173f914cf01dd88c22ad61e65d2c18d9f5162ca

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:MALWARE_Win_Chaos
Create hunting rule
Author:ditekSHen
Description:Detects Chaos ransomware
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/malwrhunterteam/status/1482419249020821506?s=20
Cape
Cape
https://www.capesandbox.com/analysis/219724/

Comments