MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a30c4fc8b11cb71e7b91b955a1ac756daf4444bbf04d79d4f292953599e2abfd. 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: 15


Intelligence 15 IOCs YARA 36 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a30c4fc8b11cb71e7b91b955a1ac756daf4444bbf04d79d4f292953599e2abfd
SHA3-384 hash: f8ef04b2088f851d0bf6973d995140f0db47bb6ef2e89d32453e5af2f972beaf92765fb23ccc9a0cd107bcde4ca45e7a
SHA1 hash: 445b6b935b5b9a52f92bb8b4c7dd86ee69eb2530
MD5 hash: be80bf893afad8fdddc18a1c04a88d49
humanhash: connecticut-beer-alpha-victor
File name:file
Download: download sample
Signature Chaos
Create hunting rule
File size:1'889'792 bytes
First seen:2025-02-16 19:50:18 UTC
Last seen:2025-02-17 20:33:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6ed4f5f04d62b18d96b26d6db7c18840 (405 x SalatStealer, 78 x BitRAT, 42 x RedLineStealer)
ssdeep 49152:mDmghls3y1+XfWL6Vcp5/7x3Bj9x9UjXYUYr+7slq:Umghls5Bq/7H9fUdA
TLSH T1E795336AE9926047D40A3835B7B1A161C047A21DC5BD908F038647E7A2FFFCA6E4D7C7
TrID 32.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
28.9% (.EXE) Win32 Executable (generic) (4504/4/1)
13.0% (.EXE) OS/2 Executable (generic) (2029/13)
12.8% (.EXE) Generic Win/DOS Executable (2002/3)
12.8% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter jstrosch
Tags:Chaos exe


Avatar
jstrosch
Found at hxxp://199.195.252[.]200:808/win.exe by #subcrawl

Intelligence

File Origin
# of uploads :
2
# of downloads :
480
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-02-16 20:11:32 UTC
Tags:
upx golang
Link:
https://app.any.run/tasks/5a8ff09b-6866-42ae-a900-ec696a85debc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Malware.Lazy-9969515-0
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67b2426fa0fd713c335b4493
Tags:
lien hype
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a file
Connection attempt
Sending a custom TCP request
Launching a process
Creating a window
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypto obfuscated packed packed packed packer_detected upx
Link:
https://www.filescan.io/uploads/67b241ae1195447a80c461c7/reports/d05287a7-849c-4570-a7e6-982e93dee76f/overview
Verdict:
Malicious
Labled as:
Fragtor.Generic
Link:
https://www.hybrid-analysis.com/sample/a30c4fc8b11cb71e7b91b955a1ac756daf4444bbf04d79d4f292953599e2abfd
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:
Kaiji
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c407ab43-b676-4b9f-bf64-7b3e5d592b30
Result
Threat name:
Chaos
Create hunting rule
Detection:
malicious
Classification:
troj.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1616489
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many different private IPs (likely to spread or exploit)
Drops PE files with benign system names
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: System File Execution Location Anomaly
Uses known network protocols on non-standard ports
Yara detected Chaos
Behaviour
Behavior Graph:
Download SVG
Score:
94%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a30c4fc8b11cb71e7b91b955a1ac756daf4444bbf04d79d4f292953599e2abfd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a30c4fc8b11cb71e7b91b955a1ac756daf4444bbf04d79d4f292953599e2abfd/
Threat name:
Win32.Ransomware.Apis
Create hunting rule
Status:
Malicious
First seen:
2025-02-16 16:01:35 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
28 of 37 (75.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=umge7sfrds3r464rxfk2dldvnwxuirf36bgxtvhsskktlgpcvp6q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery persistence upx
Link:
https://tria.ge/reports/250216-ykx14axjdj/
Behaviour
GoLang User-Agent
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
UPX packed file
Adds Run key to start application
Downloads MZ/PE file
Verdict:
Malicious
Tags:
trojan Win.Malware.Lazy-9969515-0
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/589dac19-3eae-4834-83d7-8e3842ae43e6
Unpacked files
SH256 hash:
a30c4fc8b11cb71e7b91b955a1ac756daf4444bbf04d79d4f292953599e2abfd
MD5 hash:
be80bf893afad8fdddc18a1c04a88d49
SHA1 hash:
445b6b935b5b9a52f92bb8b4c7dd86ee69eb2530
Link:
https://www.unpac.me/results/c5f5b989-d215-4885-be06-d20110a4106a/
SH256 hash:
10ac8efc60a4e40991926fae10259f3feabcde6b1eefc44974721af0e069d1d1
MD5 hash:
c862af8ff9c4c0ea7633fc45ed57b55a
SHA1 hash:
13d76445705a74e4e2f541701c0951f3197e4252
Detections:
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Link:
https://www.unpac.me/results/c5f5b989-d215-4885-be06-d20110a4106a/
SH256 hash:
6535a473f830162d8d03e92182ca1ff50013fdc7c6b93d9284397e4148566103
MD5 hash:
016f578e6e2c1ca83637f10ee53c6561
SHA1 hash:
222b297498a33a256d3e6b7c0869cdcbcc8924c5
Detections:
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Link:
https://www.unpac.me/results/c5f5b989-d215-4885-be06-d20110a4106a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/a30c4fc8b11cb71e7b91b955a1ac756daf4444bbf04d79d4f292953599e2abfd

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:Linux_Generic_Threat_a40aaa96
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Kaiji_91091be3
Create hunting rule
Author:Elastic Security
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:UPX290LZMAMarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:upx_largefile
Create hunting rule
Author:k3nr9

File information

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

Web download

Chaos

Executable exe a30c4fc8b11cb71e7b91b955a1ac756daf4444bbf04d79d4f292953599e2abfd

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3441989/
  
URLhaus
https://urlhaus.abuse.ch/url/3441960/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA

Comments