MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca03561b59f1ba61afadfb577241e8c4f6ba56c7912ea62b6db9fb32a52b36bb. 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


VectorStealer


Vendor detections: 10


Intelligence 10 IOCs YARA 8 File information Comments
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SHA256 hash: ca03561b59f1ba61afadfb577241e8c4f6ba56c7912ea62b6db9fb32a52b36bb
SHA3-384 hash: aa5e6e970c59d4aab76884c8b263dea8f3367ca992a12ad2328446a5b08be9957e2382859e820941acd214f79c5fee32
SHA1 hash: 2ca7b12d8473867b6667a463aec7588a41ef9803
MD5 hash: 939d6f6dd06eb826b27eda72f2ebe9c2
humanhash: winter-pluto-violet-california
File name:939d6f6dd06eb826b27eda72f2ebe9c2.exe
Download: download sample
Signature VectorStealer
Create hunting rule
File size:1'506'816 bytes
First seen:2023-01-19 12:20:27 UTC
Last seen:2023-01-19 13:35:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:O6/ZjTQHEFtxd/UdKir+X4vBrgQKf+VtHCi6uOUteZk:xy0Q81YtH1/e
Threatray 973 similar samples on MalwareBazaar
TLSH T11565CF3A04B81AD2C1BEF27E6B94DD14FEE09042F7018D5EDEE60886D95368322DBD5D
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe VectorStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
POM-8501.doc
Verdict:
Malicious activity
Analysis date:
2023-01-19 07:47:48 UTC
Tags:
loader evasion stealer
Link:
https://app.any.run/tasks/6e676dd3-98b6-4ec0-97f9-a9173a90409c

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/354472/
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.12872.8159.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
83%
Tags:
packed
Link:
https://www.filescan.io/uploads/63c935afe56ca96f6d5039ba/reports/583a2ae3-e09c-4c29-81df-4b129a294753/overview
Result
Verdict:
UNKNOWN
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/6a4836d9-19de-4ec0-a039-1364be026f23
Result
Threat name:
Vector Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1154616
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
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 Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Vector Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 787349 Sample: f0pl993Jlv.exe Startdate: 19/01/2023 Architecture: WINDOWS Score: 100 47 Sigma detected: Scheduled temp file as task from temp location 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 Yara detected Vector Stealer 2->51 53 8 other signatures 2->53 7 f0pl993Jlv.exe 6 2->7         started        11 LthjWtJJuAygQr.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\...\LthjWtJJuAygQr.exe, PE32 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmp8478.tmp, XML 7->35 dropped 37 C:\Users\user\AppData\...\f0pl993Jlv.exe.log, ASCII 7->37 dropped 55 May check the online IP address of the machine 7->55 57 Uses schtasks.exe or at.exe to add and modify task schedules 7->57 59 Injects a PE file into a foreign processes 7->59 13 f0pl993Jlv.exe 15 50 7->13         started        17 schtasks.exe 1 7->17         started        19 MpCmdRun.exe 7->19         started        21 f0pl993Jlv.exe 7->21         started        61 Multi AV Scanner detection for dropped file 11->61 23 LthjWtJJuAygQr.exe 14 48 11->23         started        25 schtasks.exe 1 11->25         started        signatures5 process6 dnsIp7 39 api.telegram.org 149.154.167.220, 443, 49704, 49705 TELEGRAMRU United Kingdom 13->39 41 ipinfo.io 34.117.59.81, 443, 49700, 49707 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 13->41 43 discord.com 162.159.138.232, 443, 49701 CLOUDFLARENETUS United States 13->43 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        45 162.159.137.232, 443, 49708 CLOUDFLARENETUS United States 23->45 63 Tries to steal Mail credentials (via file / registry access) 23->63 65 Tries to harvest and steal browser information (history, passwords, etc) 23->65 31 conhost.exe 25->31         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca03561b59f1ba61afadfb577241e8c4f6ba56c7912ea62b6db9fb32a52b36bb/
Threat name:
ByteCode-MSIL.Trojan.Formbookinj
Create hunting rule
Status:
Malicious
First seen:
2023-01-19 08:59:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zibvmg2z6g5gdl5n7nlxeqpiyt3luvwhsexkmk3nxh5tfjjlg25q._file
Verdict:
malicious
Similar samples:
0ba769f784583af015d366c78b4c2ab090eb66fecd22a0d0783f48c2df61f562
VectorStealer
33eb01298c822b2c9c60a352e6669aed70b6c35f4245ec3732e2c1fc02a20620
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3d3fe471d5702b4a73c7374dbab85b88fc3c209968c6804440e3322153ad64bd
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4a8195f159274fb6b2edf61864824e9c686398ce60df94d23fabb21c48d57499
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842fb6327e8d09667003b87a199aafde3dd0b05b9e603cd154bfefc0fe0c7280
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8aec272dd17b671df1658d76d8513ac93124abb7d587979ac585c843d2feeeb6
VectorStealer
8edeefa8a8c07604e753db1011e4389d057560cfb57b307e12587cdb17a13606
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969348318c0a26bb74e7468c4151541043671c232f0839766e479f19941c359c
VectorStealer
a8904248c21089344f42647030b9554b2e08b17ecd0d5aa192fc759789e74176
VectorStealer
+ 963 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection spyware stealer
Link:
https://tria.ge/reports/230119-pjbxssfh36/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Modifies system certificate store
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/753c4d2f-3981-4c6b-ac3a-8507cd459bbc
Unpacked files
SH256 hash:
b4b2386c9eaaebff22f9d89b2605a52dc993f9fa4382f1783be56c3d3d101cf5
MD5 hash:
e6896d752675aa957200689dbe4a7adc
SHA1 hash:
a707006f6e43ed73ceb6be301399a3a697afd190
Link:
https://www.unpac.me/results/88f59d6f-e7c2-4f0e-ae10-d370b86d04f8/
SH256 hash:
94c2ba257a21a0eb4527346753abdedc7bb2fe3aa72d20642546994626602129
MD5 hash:
874dcc6be499121b1425bfdff1f8ad46
SHA1 hash:
66f83bedc73876b77e152c604b8214bde86d965e
Link:
https://www.unpac.me/results/88f59d6f-e7c2-4f0e-ae10-d370b86d04f8/
SH256 hash:
002ddf43c9725599e06a9e4b1e389f985372c23032a87f31849f8dfc0210be10
MD5 hash:
cb9ebb8e45969bcd7594f451c748a858
SHA1 hash:
40336c7aaf003de854233564728adc4274ac3403
Link:
https://www.unpac.me/results/88f59d6f-e7c2-4f0e-ae10-d370b86d04f8/
SH256 hash:
ca03561b59f1ba61afadfb577241e8c4f6ba56c7912ea62b6db9fb32a52b36bb
MD5 hash:
939d6f6dd06eb826b27eda72f2ebe9c2
SHA1 hash:
2ca7b12d8473867b6667a463aec7588a41ef9803
Link:
https://www.unpac.me/results/88f59d6f-e7c2-4f0e-ae10-d370b86d04f8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/ca03561b59f1ba61afadfb577241e8c4f6ba56c7912ea62b6db9fb32a52b36bb

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:BAZT_B5_NOCEXInvalidStream
Create hunting rule
Rule name:NETDIC208_NOCEX_NOREACTOR
Create hunting rule
Rule name:pe_imphash
Create hunting rule
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

VectorStealer

Executable exe ca03561b59f1ba61afadfb577241e8c4f6ba56c7912ea62b6db9fb32a52b36bb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2512330/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/354472/

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