MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3c25b59d03904e7b450763e5864d933339f2c37c3d52e43f36bc82b417ff9d0. 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: 13


Intelligence 13 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3c25b59d03904e7b450763e5864d933339f2c37c3d52e43f36bc82b417ff9d0
SHA3-384 hash: e4e530923cfcf538e1e2f64c5ca71c49f27c076b4309c06b269d53f388b984db9d7adf5c2ccf1ddca030aabda4c25495
SHA1 hash: 628350259786b47118de8a42dcd71cac65c17486
MD5 hash: 44f726b4fd39ae985d026ad0ace5142b
humanhash: jersey-lion-social-juliet
File name:美国精料十二月全新思路大全.exe
Download: download sample
Signature RustyStealer
Create hunting rule
File size:6'120'280 bytes
First seen:2025-12-16 06:33:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1e2d8b9d2b5f4b13181bdaae113cacfc (2 x RustyStealer)
ssdeep 98304:XQBeRIVa81v4MadXBcKamGkQE8WzOuPwsjse1XKGVpYPKa66buuSRu1OJ6/JxaaH:XQBCP81BadXBzHGE8WzOm3sGfu+uS3QR
TLSH T1FE5612137662B0EACAC70174E4BA83351A37823847214AF7B2C75FBC595AAD05D3B72D
TrID 56.8% (.EXE) InstallShield setup (43053/19/16)
13.8% (.EXE) Win64 Executable (generic) (10522/11/4)
8.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter dght_432
Tags:exe malware RustyStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
美国精料十二月全新思路大全.exe
Verdict:
Malicious activity
Analysis date:
2025-12-16 06:37:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a3ce402a-82be-4092-b801-dc6a40da745a

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/45173/
Detection(s):
MiscreantPunch.SingleXOR.EXE.155.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6940fd664d2b81828c3b416e
Tags:
emotet cobalt
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending an HTTP GET request
Launching a process
Creating a file in the Program Files subdirectories
Creating a process from a recently created file
Moving a file to the Program Files subdirectory
Creating a file in the Windows directory
Creating a file
Creating a process with a hidden window
Sending a custom TCP request
Searching for synchronization primitives
Enabling autorun
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 cmd evasive evasive installer installer invalid-signature lolbin lumma nsis obfuscated overlay packed rust signed wmic xor-pe xor-url
Link:
https://www.filescan.io/uploads/6940fd64e126b9ff4381e7fa/reports/95ed6604-6ce9-41fa-80b9-0a455cfae776/overview
Verdict:
Malicious
Labled as:
BScope.TrojanPSW
Link:
https://www.hybrid-analysis.com/sample/a3c25b59d03904e7b450763e5864d933339f2c37c3d52e43f36bc82b417ff9d0
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-12T20:25:00Z UTC
Last seen:
2025-12-17T10:53:00Z UTC
Hits:
~100
Detections:
Trojan.Win32.Inject.sb Trojan.Win32.Agent.sb MEM:Trojan.Win64.Shellcode.gen Backdoor.Win32.Androm Trojan-Dropper.Win32.Injector.sb Backdoor.Win32.Androm.vzoq
Link:
https://opentip.kaspersky.com/a3c25b59d03904e7b450763e5864d933339f2c37c3d52e43f36bc82b417ff9d0/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e7c09006-9be2-407f-97bb-b250d1310612
Score:
69%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/a3c25b59d03904e7b450763e5864d933339f2c37c3d52e43f36bc82b417ff9d0
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/44f726b4fd39ae985d026ad0ace5142b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3c25b59d03904e7b450763e5864d933339f2c37c3d52e43f36bc82b417ff9d0/
Verdict:
Malicious
Threat:
Trojan.Win32.Inject
Link:
https://tip.neiki.dev/file/a3c25b59d03904e7b450763e5864d933339f2c37c3d52e43f36bc82b417ff9d0
Threat name:
Win32.Backdoor.Androm
Create hunting rule
Status:
Suspicious
First seen:
2025-12-16 06:34:14 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
10 of 23 (43.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=upbfwwoqhecopncqoy7fqzgzgmzz6lbxypks4q7tnpecwql77hia._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/251216-hbvavavphx/
Behaviour
System Location Discovery: System Language Discovery
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5633eb44-a680-4090-8ca5-5437491678ad
Unpacked files
SH256 hash:
a3c25b59d03904e7b450763e5864d933339f2c37c3d52e43f36bc82b417ff9d0
MD5 hash:
44f726b4fd39ae985d026ad0ace5142b
SHA1 hash:
628350259786b47118de8a42dcd71cac65c17486
Link:
https://www.unpac.me/results/637aad8e-d784-4b43-bc78-262dbbb24d6d/
SH256 hash:
06654d17334fa342f62d42bd805c8bc6da8105612d9ff45c45b8f092a7c46e17
MD5 hash:
0fe04f5747f21419bc96e130b2068238
SHA1 hash:
558279fe10e5dc98419c3d7e138a569e7ca59011
Link:
https://www.unpac.me/results/637aad8e-d784-4b43-bc78-262dbbb24d6d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a3c25b59d039/report/overview.html
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/a3c25b59d03904e7b450763e5864d933339f2c37c3d52e43f36bc82b417ff9d0

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__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
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:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SUSP_XORed_MSDOS_Stub_Message
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed MSDOS stub message
Reference:https://yara.readthedocs.io/en/latest/writingrules.html#xor-strings
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/45173/

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