MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16121d32125f708b514d8e3f1508948c6d07885977a027753f64b4ea4542b0c3. 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: 7

Intelligence 7 IOCs YARA 9 File information Comments 1

SHA256 hash:	16121d32125f708b514d8e3f1508948c6d07885977a027753f64b4ea4542b0c3
SHA3-384 hash:	262f5f27320de3fddb91fd5698e9e92c338c6ca85ab533befc1e8eb1b5f98ecc91cb6d3fafc457fd2d5122945e2fd9a3
SHA1 hash:	3300e9ac2ff8b3bed613e1cd0e09a3bd4f37d18b
MD5 hash:	fc9d7fcfd12d5d2d1efb51b6494f6561
humanhash:	nitrogen-oscar-emma-kilo
File name:	fc9d7fcfd12d5d2d1efb51b6494f6561
Download:	download sample
Signature	RustyStealer Create hunting rule
File size:	1'783'808 bytes
First seen:	2022-04-09 21:39:41 UTC
Last seen:	2022-07-14 07:30:39 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	0bb2f7efaf0a710e379997d93c59634f (3 x RustyStealer)
ssdeep	49152:5iOnW3Y9QUtDbNL51vi4M7zK2+kA0z2K+kv:0uzVil7zKJkAM+k
TLSH	T1BF8533F93778C388E573A0392559432A0866A58E0059FC4B973DB6AFBA27B445D0DF0B
Reporter	zbetcheckin
Tags:	exe RustyStealer

Intelligence

File Origin

# of uploads :

# of downloads :

312

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

fc9d7fcfd12d5d2d1efb51b6494f6561

Verdict:

No threats detected

Analysis date:

2022-04-09 21:43:31 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/48b759b6-327a-4b9b-9ff4-a029455c04d8

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/262350/

Detection(s):

SecuriteInfo.com.Trojan.GenericKD.50100994.9824.17799.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Сreating synchronization primitives

Using the Windows Management Instrumentation requests

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

anti-debug greyware packed

Link:

https://www.filescan.io/uploads/6251fd390d7cd5530a76f75c/reports/06a7d42e-7d5c-47f2-86fc-e08d80669487/overview

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.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/906721ec-7501-4015-adfa-cf9afccc7c35

Result

Threat name:

Unknown

Detection:

malicious

Classification:

phis.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/973856

Signature

Antivirus / Scanner detection for submitted sample

Connects to a pastebin service (likely for C&C)

Found many strings related to Crypto-Wallets (likely being stolen)

Malicious sample detected (through community Yara rule)

May check the online IP address of the machine

Multi AV Scanner detection for submitted file

Queries temperature or sensor information (via WMI often done to detect virtual machines)

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Crypto Currency Wallets

Tries to steal Instant Messenger accounts or passwords

Uses the Telegram API (likely for C&C communication)

Yara detected Telegram RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/16121d32125f708b514d8e3f1508948c6d07885977a027753f64b4ea4542b0c3/

Threat name:

Win64.Infostealer.Disco

Status:

Malicious

First seen:

2022-04-09 05:03:06 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

14 of 26 (53.85%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=cyjb2mqsl5yiwuknry7rkceurrwqpcczo6qco5j7ms2ourkcwdbq._file

Verdict:

malicious

Result

Malware family:

n/a

Score:

10/10

Tags:

spyware stealer suricata upx

Link:

https://tria.ge/reports/220409-1h674ahggp/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Program crash

Accesses cryptocurrency files/wallets, possible credential harvesting

Legitimate hosting services abused for malware hosting/C2

Reads local data of messenger clients

Reads user/profile data of web browsers

suricata: ET MALWARE SepSys/SepSystem Ransomware Style External IP Address Check

Unpacked files

SH256 hash:

16121d32125f708b514d8e3f1508948c6d07885977a027753f64b4ea4542b0c3

MD5 hash:

fc9d7fcfd12d5d2d1efb51b6494f6561

SHA1 hash:

3300e9ac2ff8b3bed613e1cd0e09a3bd4f37d18b

Link:

https://www.unpac.me/results/4e0865a1-0150-41eb-912e-67c1e4ad9203/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Legit

Score:

0.15

Link:

https://yomi.yoroi.company/submissions/16121d32125f708b514d8e3f1508948c6d07885977a027753f64b4ea4542b0c3

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:	grakate_stealer_nov_2021 Create hunting rule

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_Discord_Regex Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing Discord tokens regular expressions

Rule name:	INDICATOR_SUSPICIOUS_EXE_RawPaste_URL Create hunting rule
Author:	ditekSHen
Description:	Detects executables (downlaoders) containing URLs to raw contents of a paste

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing SQL queries to confidential data stores. Observed in infostealers

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:	shad0w_beacon_16June Create hunting rule
Author:	SBousseaden
Description:	Shad0w beacon compressed
Reference:	https://github.com/bats3c/shad0w

Rule name:	SUSP_Websites Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects the reference of suspicious sites that might be used to download further malware