MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b3aaa175f97c142679b9d9e7e9b9a2b2d85bf3990b1f9276f0dc79b0aaab06e. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
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SHA256 hash: 2b3aaa175f97c142679b9d9e7e9b9a2b2d85bf3990b1f9276f0dc79b0aaab06e
SHA3-384 hash: 7c4f0a7225c40dda07cd5803f4942fad3c57b660a93e114a050e8aa0b618191058eaf888adb3b0daee12e450373b8bf9
SHA1 hash: 421569147d9734ed3a9277bd3fbeacd42f1552ca
MD5 hash: a6280d3f50d1b373d5fa5f45247ac08b
humanhash: uniform-papa-speaker-equal
File name:a6280d3f50d1b373d5fa5f45247ac08b.exe
Download: download sample
Signature VectorStealer
Create hunting rule
File size:1'672'192 bytes
First seen:2023-01-20 19:31:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 49152:mgNagVJMQ4ATyMYVyRGx9rJqaCDTws6Ieplr2VaX2:mgNagVJMRNmGHJrC3l6MVK
Threatray 974 similar samples on MalwareBazaar
TLSH T10D75012021DFCE50F7EDA7BC40D69C108BBAAC5A26EAFB6B541072E07573B51C582D36
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 3111070731110101 (2 x VectorStealer, 1 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe VectorStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a6280d3f50d1b373d5fa5f45247ac08b.exe
Verdict:
Malicious activity
Analysis date:
2023-01-20 19:36:24 UTC
Tags:
evasion stealer
Link:
https://app.any.run/tasks/8c548034-502f-4f17-beb4-67c654cb2e5f

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/355076/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.42198.7576.10225.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Enabling autorun by creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63caec35905a5ac3b9085c02/reports/fdde2e51-d906-4c68-8d3a-052eeabd66ea/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/7bf18169-d3d1-46be-8249-384fa40efef6
Result
Threat name:
Vector Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1155960
Signature
.NET source code contains method to dynamically call methods (often used by packers)
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 788689 Sample: JzCtXNHXQe.exe Startdate: 21/01/2023 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Sigma detected: Scheduled temp file as task from temp location 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 9 other signatures 2->49 7 JzCtXNHXQe.exe 6 2->7         started        11 tUhoCz.exe 5 2->11         started        process3 file4 29 C:\Users\user\AppData\Roaming\tUhoCz.exe, PE32 7->29 dropped 31 C:\Users\user\AppData\Local\Temp\tmp6E1.tmp, XML 7->31 dropped 33 C:\Users\user\AppData\...\JzCtXNHXQe.exe.log, ASCII 7->33 dropped 51 May check the online IP address of the machine 7->51 53 Uses schtasks.exe or at.exe to add and modify task schedules 7->53 55 Injects a PE file into a foreign processes 7->55 13 JzCtXNHXQe.exe 15 35 7->13         started        17 schtasks.exe 1 7->17         started        19 BackgroundTransferHost.exe 7->19         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 21 tUhoCz.exe 14 33 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 35 api.telegram.org 149.154.167.220, 443, 49745, 49746 TELEGRAMRU United Kingdom 13->35 37 ipinfo.io 34.117.59.81, 443, 49739, 49772 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 13->37 39 discord.com 162.159.138.232, 443, 49741 CLOUDFLARENETUS United States 13->39 25 conhost.exe 17->25         started        41 162.159.135.232, 443, 49775 CLOUDFLARENETUS United States 21->41 61 Tries to steal Mail credentials (via file / registry access) 21->61 63 Tries to harvest and steal browser information (history, passwords, etc) 21->63 27 conhost.exe 23->27         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b3aaa175f97c142679b9d9e7e9b9a2b2d85bf3990b1f9276f0dc79b0aaab06e/
Threat name:
ByteCode-MSIL.Trojan.Formbookinj
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Status:
Malicious
First seen:
2023-01-20 19:32:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fm5kuf27s7auez43twph5g42fmwylpzzscy7sj3pbxdzwcvkwbxa._file
Verdict:
malicious
Similar samples:
0ba769f784583af015d366c78b4c2ab090eb66fecd22a0d0783f48c2df61f562
VectorStealer
19f5de1fab76d8bdac9d3bab7ec590152f1b9b4f154d1c429a1fd1acb65ba628
VectorStealer
33eb01298c822b2c9c60a352e6669aed70b6c35f4245ec3732e2c1fc02a20620
VectorStealer
3d3fe471d5702b4a73c7374dbab85b88fc3c209968c6804440e3322153ad64bd
VectorStealer
59403e64a6441e0e6e1f5abac201ed76f81afbd8ab74e39f59f33830c02eaded
VectorStealer
8edeefa8a8c07604e753db1011e4389d057560cfb57b307e12587cdb17a13606
VectorStealer
969348318c0a26bb74e7468c4151541043671c232f0839766e479f19941c359c
VectorStealer
a8904248c21089344f42647030b9554b2e08b17ecd0d5aa192fc759789e74176
VectorStealer
ca03561b59f1ba61afadfb577241e8c4f6ba56c7912ea62b6db9fb32a52b36bb
VectorStealer
f1296c58d318f766077a9c3b3d36d60dc4dd27012e728af8be0a41432daf19bd
VectorStealer
+ 964 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection spyware stealer
Link:
https://tria.ge/reports/230120-x8yf4abd6t/
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
Unpacked files
SH256 hash:
3986c5892a68f99e02869d4290393c49076fb734bdf70b92aea0cbcf4cebcfa4
MD5 hash:
1c214ee36243b7397109a497405b87e9
SHA1 hash:
f88da419df3cc9e9daffc018ed328ce9ee7f2587
Link:
https://www.unpac.me/results/ee693fc2-6040-4f2a-a086-b8ff0b1738be/
SH256 hash:
9104f3be19b164dfe191912cb890ccfac5f69d0ccc6f12a03a5317c5169c4d3c
MD5 hash:
416fcad35ab228887196270e4ba4685f
SHA1 hash:
e5a764754a870d5ef49fb11a36ddf9d6ca7e72f7
Link:
https://www.unpac.me/results/ee693fc2-6040-4f2a-a086-b8ff0b1738be/
SH256 hash:
94c2ba257a21a0eb4527346753abdedc7bb2fe3aa72d20642546994626602129
MD5 hash:
874dcc6be499121b1425bfdff1f8ad46
SHA1 hash:
66f83bedc73876b77e152c604b8214bde86d965e
Link:
https://www.unpac.me/results/ee693fc2-6040-4f2a-a086-b8ff0b1738be/
SH256 hash:
002ddf43c9725599e06a9e4b1e389f985372c23032a87f31849f8dfc0210be10
MD5 hash:
cb9ebb8e45969bcd7594f451c748a858
SHA1 hash:
40336c7aaf003de854233564728adc4274ac3403
Link:
https://www.unpac.me/results/ee693fc2-6040-4f2a-a086-b8ff0b1738be/
SH256 hash:
2b3aaa175f97c142679b9d9e7e9b9a2b2d85bf3990b1f9276f0dc79b0aaab06e
MD5 hash:
a6280d3f50d1b373d5fa5f45247ac08b
SHA1 hash:
421569147d9734ed3a9277bd3fbeacd42f1552ca
Link:
https://www.unpac.me/results/ee693fc2-6040-4f2a-a086-b8ff0b1738be/
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/2b3aaa175f97c142679b9d9e7e9b9a2b2d85bf3990b1f9276f0dc79b0aaab06e

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 2b3aaa175f97c142679b9d9e7e9b9a2b2d85bf3990b1f9276f0dc79b0aaab06e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2513706/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/355076/

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