MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4938f6743d7631038c1bd6bed20e4c9e531c741a396316d9c7ea59a6d1972d86. 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


TaurusStealer


Vendor detections: 5


Intelligence 5 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4938f6743d7631038c1bd6bed20e4c9e531c741a396316d9c7ea59a6d1972d86
SHA3-384 hash: fcf20338a6a38b08c9a8d42ee012d5e31255c43b216d8a9de065fc3210def542c24d80a9edf8b96aa9255f0badccbc59
SHA1 hash: 301ca0cc3c24e4c87f03d5573270624d515ce391
MD5 hash: 54aff7ce3066faeb202cd8cf069bb5a8
humanhash: mike-washington-purple-enemy
File name:54aff7ce3066faeb202cd8cf069bb5a8.exe
Download: download sample
Signature TaurusStealer
Create hunting rule
File size:280'064 bytes
First seen:2020-09-26 07:46:04 UTC
Last seen:2020-09-26 08:40:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9099744e6500b12369dae2ac6b374383 (3 x SystemBC, 2 x TaurusStealer)
ssdeep 6144:LN8XF8eS07Fn/6XdOjf1ktUTUrm1N8hHAqjno:WXmKcYjtktUTUrm14HAq
TLSH CD54D0007592C833E9421A7A4826C7A54E3BF8B18F2526C77B943F6EDB316D1A731787
Reporter abuse_ch
Tags:exe TaurusStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/66036/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.55706.7548.26269.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Containing strings that indicate a threat
Creating a window
Reading critical registry keys
Creating a file
Deleting a recently created file
Replacing files
DNS request
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Launching a process
Sending an HTTP GET request
Launching cmd.exe command interpreter
Launching the default Windows debugger (dwwin.exe)
Stealing user critical data
Sending an HTTP POST request to an infection source
Enabling autorun by creating a file
Result
Threat name:
Unknown
Detection:
malicious
Classification:
spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/475756
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for dropped file
Machine Learning detection for sample
May use the Tor software to hide its network traffic
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 290328 Sample: Jl3d9zaQ12.exe Startdate: 26/09/2020 Architecture: WINDOWS Score: 100 62 Multi AV Scanner detection for dropped file 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 Machine Learning detection for sample 2->66 68 3 other signatures 2->68 7 Jl3d9zaQ12.exe 20 2->7         started        12 imkhgh.exe 2->12         started        14 IeljbAKC.exe 2->14         started        16 IeljbAKC.exe 2->16         started        process3 dnsIp4 54 111.90.149.143, 49718, 80 SHINJIRU-MY-AS-APShinjiruTechnologySdnBhdMY Malaysia 7->54 56 aandetiling.com.au 139.99.138.39, 443, 49722 OVHFR Canada 7->56 58 fmiafricang.org 143.95.238.98, 49725, 80 ASMALLORANGE1US United States 7->58 46 C:\Users\user\AppData\Local\...\lBJCdEJC.exe, PE32 7->46 dropped 48 C:\Users\user\AppData\Local\...\IeljbAKC.exe, PE32 7->48 dropped 50 C:\Users\user\AppData\Local\...\soc[1].exe, PE32 7->50 dropped 52 C:\Users\user\AppData\Local\...\ntnt[1].exe, PE32 7->52 dropped 80 Detected unpacking (changes PE section rights) 7->80 82 Detected unpacking (overwrites its own PE header) 7->82 84 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 7->84 86 Tries to steal Mail credentials (via file access) 7->86 18 lBJCdEJC.exe 3 7->18         started        22 IeljbAKC.exe 7->22         started        24 cmd.exe 1 7->24         started        28 2 other processes 7->28 60 89.203.249.203, 4035, 49726 CDT-ASTheCzechRepublicCZ Czech Republic 12->60 88 Machine Learning detection for dropped file 12->88 26 WerFault.exe 2 9 14->26         started        file5 signatures6 process7 file8 44 C:\ProgramData\jrurjsi\imkhgh.exe, PE32 18->44 dropped 70 Detected unpacking (changes PE section rights) 18->70 72 Detected unpacking (overwrites its own PE header) 18->72 74 Machine Learning detection for dropped file 18->74 76 Tries to detect virtualization through RDTSC time measurements 18->76 78 Multi AV Scanner detection for dropped file 22->78 30 WerFault.exe 23 9 22->30         started        32 conhost.exe 24->32         started        34 timeout.exe 1 24->34         started        36 conhost.exe 28->36         started        38 conhost.exe 28->38         started        40 schtasks.exe 1 28->40         started        42 schtasks.exe 1 28->42         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4938f6743d7631038c1bd6bed20e4c9e531c741a396316d9c7ea59a6d1972d86/
Threat name:
Win32.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-09-24 09:03:47 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=je4pm5b5oyyqhda3227nedsmtzjry5a2hfrrnwoh5jm2numxfwda._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware discovery
Link:
https://tria.ge/reports/200926-d7ev4jde7j/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Windows directory
Checks installed software on the system
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Unpacked files
SH256 hash:
4938f6743d7631038c1bd6bed20e4c9e531c741a396316d9c7ea59a6d1972d86
MD5 hash:
54aff7ce3066faeb202cd8cf069bb5a8
SHA1 hash:
301ca0cc3c24e4c87f03d5573270624d515ce391
Link:
https://www.unpac.me/results/13c56307-cc00-42aa-9551-940d51738b3e/
SH256 hash:
10bac68c574a31c82189c809fd25f9fdd16e8c5e05a3d380da057412133e348f
MD5 hash:
92f7a14cf6d314ed38624a51d03efc00
SHA1 hash:
04af4feb730aa08a685f2464b72eeacbfdb78fa6
Link:
https://www.unpac.me/results/13c56307-cc00-42aa-9551-940d51738b3e/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:SUSP_XORed_Mozilla
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research

File information

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

Web download

TaurusStealer

Executable exe 4938f6743d7631038c1bd6bed20e4c9e531c741a396316d9c7ea59a6d1972d86

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/66036/
  
URLhaus
https://urlhaus.abuse.ch/url/605723/
  
Delivery method
Distributed via web download

Comments