MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 201b3143e9e4ba28c3dacba060233db540cce934825d05f91165bc50a3e2c996. 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


Formbook


Vendor detections: 16


Intelligence 16 IOCs YARA 15 File information Comments
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SHA256 hash: 201b3143e9e4ba28c3dacba060233db540cce934825d05f91165bc50a3e2c996
SHA3-384 hash: 664026a69d6cf0770f7f0272be49e1f9a1a29b9d1c43a61b18d2888d6c0ab7bb8f0bfc68644862d7c2cf7c74dd0acee6
SHA1 hash: 5fb94f6e77ecd9f3f3baa523f332bd5c75db73ac
MD5 hash: acd04306f9838fb1b154c2a42e072ef5
humanhash: summer-river-king-massachusetts
File name:Advice Ref.[G91222721471].exe
Download: download sample
Signature Formbook
Create hunting rule
File size:650'240 bytes
First seen:2023-12-04 18:07:36 UTC
Last seen:2023-12-04 19:25:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:+a45+po2d1pgIyS8+YI6fELRCQce6S5cJc4ZuNqFsU8dZE:+5+pJrISm3sLRCHFMcC3NksU8dS
Threatray 3'349 similar samples on MalwareBazaar
TLSH T12AD4238773DA4F01ECBAD7FC35C956645773CA596224FAAE0E7121DA5302F011E80B6B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 23ccccfc3c6c2c17 (12 x Formbook, 8 x AgentTesla, 5 x SnakeKeylogger)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
372
Origin country :
CH CH
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/462425/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.8884.2656.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/656e15fc3f60a8103488822d/reports/c5a7e36f-12ee-4848-a566-da541ab4ec6a/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/201b3143e9e4ba28c3dacba060233db540cce934825d05f91165bc50a3e2c996
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3146a6c2-7d0c-4a51-a6ef-e408282ebd1e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1353409
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1353409 Sample: Advice_Ref.[G91222721471].exe Startdate: 04/12/2023 Architecture: WINDOWS Score: 100 14 mail.dmsinnovative.ro 2->14 16 ip-api.com 2->16 18 3 other IPs or domains 2->18 26 Found malware configuration 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 8 other signatures 2->32 7 Advice_Ref.[G91222721471].exe 3 2->7         started        signatures3 process4 signatures5 34 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->34 36 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->36 38 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->38 40 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->40 10 Advice_Ref.[G91222721471].exe 15 2 7->10         started        process6 dnsIp7 20 api4.ipify.org 104.237.62.212, 443, 49710 WEBNXUS United States 10->20 22 ip-api.com 208.95.112.1, 49711, 80 TUT-ASUS United States 10->22 24 dmsinnovative.ro 93.119.153.1, 49713, 49716, 587 GTSCEGTSCentralEuropeAntelGermanyCZ Romania 10->24 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->42 44 Tries to steal Mail credentials (via file / registry access) 10->44 46 Tries to harvest and steal browser information (history, passwords, etc) 10->46 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/201b3143e9e4ba28c3dacba060233db540cce934825d05f91165bc50a3e2c996/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-04 01:35:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=eantcq7j4s5crq62zoqgaiz5wvamz2juqjoql6irmw6fbi7czgla._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
0517bf10dbb8a2078f9a7bccea9fab3012093f637568dadfc5410a7ffad41452
Formbook
201b3143e9e4ba28c3dacba060233db540cce934825d05f91165bc50a3e2c996
Formbook
3656375c71986015e3c67ae98baa0e3ccb6a5bf4676fb7a336cb41e50b094a8d
Formbook
644a614093e652cd1f25a25e72479b6a50c3075cbf557a0549600bdbc521c3a3
Formbook
96947895a165cded8e241abcd9f43381761dc570c8b1305e327f1ca699c7d3ce
Formbook
fa1263a8e9dea6c3fa9dce2ca23f8f235f8821446eb5089574c706c37db54442
Formbook
+ 3'339 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231204-wqv3ksec75/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/34e5a9a5-fae6-496f-be01-5223abb3d1e4/
SH256 hash:
b2c19a33a95c95b59b6ee18e2324ab72771097a1890f73d01335174a018b61da
MD5 hash:
84d3aaf3db5616d54ac0f0c980e6a204
SHA1 hash:
9f9f6c63c07773267f421a2a9491350d3f4b066a
Link:
https://www.unpac.me/results/34e5a9a5-fae6-496f-be01-5223abb3d1e4/
SH256 hash:
7fa6342560b497a18146dd6b9841992b18d9c077135977fe26139821058a4cd3
MD5 hash:
b4bbca1c613fcae703f1ec6fd514c496
SHA1 hash:
4145d88512331f57472fac46cf1742d97a2d1a8c
Link:
https://www.unpac.me/results/34e5a9a5-fae6-496f-be01-5223abb3d1e4/
SH256 hash:
793c60776b758b2e86b6d693b5ee69a184cba7eb1a023914dd688caafe64284c
MD5 hash:
1ae3c9a78b5d9da275d586b03b88fad4
SHA1 hash:
2794422042ec08ac47dda3a5366710d8b2bc51c2
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/34e5a9a5-fae6-496f-be01-5223abb3d1e4/
SH256 hash:
201b3143e9e4ba28c3dacba060233db540cce934825d05f91165bc50a3e2c996
MD5 hash:
acd04306f9838fb1b154c2a42e072ef5
SHA1 hash:
5fb94f6e77ecd9f3f3baa523f332bd5c75db73ac
Link:
https://www.unpac.me/results/34e5a9a5-fae6-496f-be01-5223abb3d1e4/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/201b3143e9e4/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/201b3143e9e4ba28c3dacba060233db540cce934825d05f91165bc50a3e2c996

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

Malspam

Formbook

Executable exe 201b3143e9e4ba28c3dacba060233db540cce934825d05f91165bc50a3e2c996

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/462425/

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