MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37bba90d20e429ce3fd56847e4e7aaf83c62fdd70a7dbdcd35b6f2569d47d533. 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


RustyStealer


Vendor detections: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37bba90d20e429ce3fd56847e4e7aaf83c62fdd70a7dbdcd35b6f2569d47d533
SHA3-384 hash: 7219de279454f72bae57dc8eaf9b0875a1a27af74ed03716e12fc4d4fec8bff84a91bc7fa4e13c6249e077861778252c
SHA1 hash: 718f0861dfbd06cbac887a6aa9f912797d3aaa78
MD5 hash: 8c7f9e2e1533bee0c53f494aa84b0d3d
humanhash: asparagus-mountain-kitten-bulldog
File name:ChrоmеSеtuр.exe
Download: download sample
Signature RustyStealer
Create hunting rule
File size:19'564'584 bytes
First seen:2023-09-20 20:10:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash de79444535980bb1ec949331a1b89433 (4 x RustyStealer, 1 x RaccoonStealer)
ssdeep 393216:IKmLEgApAXnTJS+s1+ujmg8L9lfIkZscsE:IxLEgApAX61jag8L9fZjX
TLSH T1DC1712C7A6D941F8C483867065462396F5907C8E8679A52F3ECD3C022B31EB7960EB77
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 70dc9e8e8e84e071 (1 x RecordBreaker, 1 x RustyStealer)
Reporter monitorsg
Tags:ClearFake exe RustyStealer


Avatar
monitorsg
hXXps://bsc-dataseed1.binance[.]org (Binance 0x7f36D9292e7c70A204faCC2d255475A861487c60) --> hXXps://oiuugyfytvgb22h[.]com/vvmd54/ --> hXXps://oiuugyfytvgb22h[.]com/ZgbN19Mx (Keitaro) --> hXXps://oiuugyfytvgb22h[.]com/lander/chrome_1695206714/_index.php (landing) --> hXXps://stats-best[.]site/fp.php (fingerprint) --> hXXps://dl.dropboxusercontent[.]com (download)

Intelligence

File Origin
# of uploads :
1
# of downloads :
330
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ChrоmеSеtuр.exe
Verdict:
Malicious activity
Analysis date:
2023-09-20 20:14:08 UTC
Tags:
lumma
Link:
https://app.any.run/tasks/ccb78975-4e7b-4171-9afe-85ddcb91a6f5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.3740.26646.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
90%
Tags:
anti-debug anti-vm control expand lolbin overlay packed packed remote shell32 vmprotect
Link:
https://www.filescan.io/uploads/650b51da988a26b6d96f26f2/reports/55f239b5-ba23-47da-a467-d27da52eb215/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/37bba90d20e429ce3fd56847e4e7aaf83c62fdd70a7dbdcd35b6f2569d47d533
Result
Verdict:
MALICIOUS
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/0629aeb2-55f5-42d5-9f47-02db02e396ef
Result
Threat name:
n/a
Detection:
suspicious
Classification:
n/a
Score:
22 / 100
Link:
https://www.joesandbox.com/analysis/1311904
Signature
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37bba90d20e429ce3fd56847e4e7aaf83c62fdd70a7dbdcd35b6f2569d47d533/
Threat name:
Win64.Spyware.Rustystealer
Create hunting rule
Status:
Malicious
First seen:
2023-09-20 20:11:09 UTC
File Type:
PE+ (Exe)
Extracted files:
36
AV detection:
14 of 23 (60.87%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g652sdja4qu44p6vnbd6jz5k7a6gf7oxbj633tjvw3zfnhkh2uzq._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/230920-yx9knacd82/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Looks up external IP address via web service
Downloads MZ/PE file
Unpacked files
SH256 hash:
37bba90d20e429ce3fd56847e4e7aaf83c62fdd70a7dbdcd35b6f2569d47d533
MD5 hash:
8c7f9e2e1533bee0c53f494aa84b0d3d
SHA1 hash:
718f0861dfbd06cbac887a6aa9f912797d3aaa78
Link:
https://www.unpac.me/results/66d39f8d-c664-4a32-9840-3d7a1cea95bd/
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/37bba90d20e429ce3fd56847e4e7aaf83c62fdd70a7dbdcd35b6f2569d47d533

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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Rustyloader_mem_loose
Create hunting rule
Author:James_inthe_box
Description:Corroded buerloader
Reference:https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

RustyStealer

Executable exe 37bba90d20e429ce3fd56847e4e7aaf83c62fdd70a7dbdcd35b6f2569d47d533

(this sample)

  
Delivery method
Distributed via web download

Comments