MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e31cd7ecf4a5533a38fe21f0bb7ac8fb0ae81719a1efdecf01469c8ecf1df68a. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e31cd7ecf4a5533a38fe21f0bb7ac8fb0ae81719a1efdecf01469c8ecf1df68a
SHA3-384 hash: 6c99f1444e5122b156893d3f18453c05c5ff265dd5363a0c9ac89cdbc8b308feacee82439f32092bd108b8a35f9e5e7d
SHA1 hash: 0b0346f516151e5f5ea1f6fb785d86364e72f69a
MD5 hash: 007714f3c2f3d5c6870210c93364d743
humanhash: yankee-uncle-princess-xray
File name:SecuriteInfo.com.Win32.BotX-gen.15697.26422
Download: download sample
Signature RustyStealer
Create hunting rule
File size:1'398'784 bytes
First seen:2023-04-26 07:31:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'076 x AgentTesla, 20'039 x Formbook, 12'353 x SnakeKeylogger)
ssdeep 12288:NWRyCrbr1Gwe6C4j1U9Gll7lwf5oaH1AcDfomomQ+UARGpSPAMZAMwJO6:wyykwvxUyzwftZDAfmrGpSPAMZAMwl
Threatray 540 similar samples on MalwareBazaar
TLSH T1E055E792C23598E9E85987354C3F6F260A93ED6BE4B01619125CFC5E2AF234320B7DD7
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 00b28eabababa600 (6 x Cosmu, 5 x RemcosRAT, 4 x AsyncRAT)
Reporter SecuriteInfoCom
Tags:exe RustyStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
263
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.BotX-gen.15697.26422
Verdict:
Malicious activity
Analysis date:
2023-04-26 07:33:14 UTC
Tags:
evasion
Link:
https://app.any.run/tasks/80da42bd-0e69-4265-ad31-af856b0cdcd9

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/385002/
Detection(s):
SecuriteInfo.com.Win32.BotX-gen.15697.26422.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Moving a file to the %AppData% directory
Creating a process from a recently created file
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed packed phishing
Link:
https://www.filescan.io/uploads/6448d3758615b5d32a532053/reports/e4455561-13b7-424b-9014-351869b9442b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/e31cd7ecf4a5533a38fe21f0bb7ac8fb0ae81719a1efdecf01469c8ecf1df68a
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6724a25b-f976-4890-836c-24f6bf6f9589
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1221281
Signature
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e31cd7ecf4a5533a38fe21f0bb7ac8fb0ae81719a1efdecf01469c8ecf1df68a/
Threat name:
Win32.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2023-04-26 07:31:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
521
AV detection:
13 of 19 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4monp3huuvjtuoh6ehylw6wi7mfoqfyzuhx55tybi2oi5ty562fa._file
Verdict:
unknown
Similar samples:
0da5ba0bc2bc6e77fb7c69598730e88c63e4a9e9b2ae3e726541448bec596dc3
RustyStealer
712470c1721440949852dbaf4ab546e9a489dd81345b7ba6a1c61ccf996a0ba0
RustyStealer
72f4064c6ed879040bb5a91bfbcca2b4829739766dbc7c2d99b8631e5966242f
RustyStealer
774d7c77607bc7964f40cbe18a7d63c76524fe5af7f6ad09a68fead4c35e9cdb
RustyStealer
a1e645b31ee112fee86474a6620ba9ad4ba5ab301d1af7599a2281af23460b5b
RustyStealer
bbe645c9580d37f74350e17d80b68b6fa73fbeaee7c574320ff758d9c3cb7552
RustyStealer
d9d9a78770bcd89cf5a0875a3c099bd2be2f6460878aa6db722f3fcd2319f322
RustyStealer
eb4423d64614ae887d69aea9c635b44f2df31a9d5c52c6b7cf1aab9ad196bdf8
RustyStealer
fe80bfb679c9884cd19c2052a41dff9548673a7ef71f691f4621e0adee488ecc
RustyStealer
+ 530 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/230426-jcykbshg3y/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
aca11731d8ab17df9b1519d3e9bc0af757e763c42328635f3bf329acafc94af3
MD5 hash:
b396352e7df4311dcec4ec491dbdc244
SHA1 hash:
c8480d672553fca601f210ceb5e49043912094fc
Link:
https://www.unpac.me/results/3d4846d0-b96a-42a4-949c-89dfffa6ef1c/
SH256 hash:
37451ffee79a9e7aa7996923e33d36fd8a107d6db138d221d2e4bc8eb397b7a8
MD5 hash:
2f767c9d7a7f6114f8198bbc8670ce1e
SHA1 hash:
8327d33d8b85e4e6ec841299a50507d47ed89012
Link:
https://www.unpac.me/results/3d4846d0-b96a-42a4-949c-89dfffa6ef1c/
SH256 hash:
e31cd7ecf4a5533a38fe21f0bb7ac8fb0ae81719a1efdecf01469c8ecf1df68a
MD5 hash:
007714f3c2f3d5c6870210c93364d743
SHA1 hash:
0b0346f516151e5f5ea1f6fb785d86364e72f69a
Link:
https://www.unpac.me/results/3d4846d0-b96a-42a4-949c-89dfffa6ef1c/
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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:pe_imphash
Create hunting rule
Rule name:Saudi_Phish_Trojan
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a trojan used in Saudi Aramco Phishing
Reference:https://goo.gl/Z3JUAA
Rule name:Saudi_Phish_Trojan_RID2E2F
Create hunting rule
Author:Florian Roth
Description:Detects a trojan used in Saudi Aramco Phishing
Reference:https://goo.gl/Z3JUAA
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.

Web download

RustyStealer

Executable exe e31cd7ecf4a5533a38fe21f0bb7ac8fb0ae81719a1efdecf01469c8ecf1df68a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2618427/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/385002/

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