MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d838d8dfcbba6f068d455c39821bff5e4fa44008adb85a54106ac06f6382dfb. 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


AgentTesla


Vendor detections: 13


Intelligence 13 IOCs YARA 19 File information Comments 1
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SHA256 hash: 8d838d8dfcbba6f068d455c39821bff5e4fa44008adb85a54106ac06f6382dfb
SHA3-384 hash: bb1070816a797b3eb167bdb03593991fe09654ee856b803e4b361cf166e0be85e9d93e107a82d3efb461dc2533d7530a
SHA1 hash: 22b7f695e9ea23a7717b69179f76d05f69df38f2
MD5 hash: 43793501051282b49746c790640bcf31
humanhash: carbon-tango-comet-william
File name:43793501051282b49746c790640bcf31
Download: download sample
Signature AgentTesla
Create hunting rule
File size:6'598'656 bytes
First seen:2023-10-04 21:20:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:HTICumncpTGb5g5qfc7/MnhsoieMc2h1+mlzB553puKaTMjrCGu4IELoy4HQQVka:
Threatray 43 similar samples on MalwareBazaar
TLSH T1346667202DFF101DB3B3AA9C5BD8B9AFA95EF7B3270A64B9107116864713D418DD2339
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)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
450
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2424.30240.1533.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a file
Сreating synchronization primitives
Creating a process from a recently created file
Creating a window
Searching for synchronization primitives
Sending a custom TCP request
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Enabling the 'hidden' option for recently created files
Moving a file to the %temp% directory
Reading critical registry keys
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
control fingerprint lolbin shell32 stealer
Link:
https://www.filescan.io/uploads/651dd7401e07d7e1e9afadb2/reports/00e0a549-34bd-4aa0-8977-7f5d4e401432/overview
Verdict:
Malicious
Labled as:
MSIL.Binder.Generic
Link:
https://www.hybrid-analysis.com/sample/8d838d8dfcbba6f068d455c39821bff5e4fa44008adb85a54106ac06f6382dfb
Result
Verdict:
MALICIOUS
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6ea9fb31-42f6-4f2a-a52e-2800e0c65ab7
Result
Threat name:
Agent Tesla, AgentTesla
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1319779
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to capture screen (.Net source)
Detected Agent Tesla keylogger
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Installs a global keyboard hook
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
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: 1319779 Sample: 5CHDiZt0tf.exe Startdate: 04/10/2023 Architecture: WINDOWS Score: 100 32 checkip.dyndns.org 2->32 34 tse1.mm.bing.net 2->34 36 2 other IPs or domains 2->36 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 Antivirus / Scanner detection for submitted sample 2->60 62 10 other signatures 2->62 7 5CHDiZt0tf.exe 6 2->7         started        10 Ja.exe 14 16 2->10         started        13 Ja.exe 2->13         started        signatures3 process4 file5 28 C:\ProgramData\USOShared\HG4EGAAH.exe, PE32 7->28 dropped 30 C:\ProgramData\Microsoft\...\TINZTV88.exe, PE32 7->30 dropped 15 TINZTV88.exe 17 20 7->15         started        20 HG4EGAAH.exe 12 7->20         started        22 conhost.exe 7->22         started        64 Antivirus detection for dropped file 10->64 66 Multi AV Scanner detection for dropped file 10->66 68 Tries to steal Mail credentials (via file / registry access) 10->68 70 5 other signatures 10->70 signatures6 process7 dnsIp8 38 132.226.8.169, 49691, 80 UTMEMUS United States 15->38 40 checkip.dyndns.com 193.122.6.168, 49712, 49715, 80 ORACLE-BMC-31898US United States 15->40 42 rakishev.org 104.21.20.56, 443, 49702, 49703 CLOUDFLARENETUS United States 15->42 24 C:\Users\user\AppData\Roaming\Ja\Ja.exe, PE32 15->24 dropped 26 C:\Users\user\AppData\...\tmpG128.tmp (copy), PE32 15->26 dropped 46 Antivirus detection for dropped file 15->46 48 Multi AV Scanner detection for dropped file 15->48 50 Detected Agent Tesla keylogger 15->50 54 6 other signatures 15->54 44 156.237.223.130, 49690, 49692, 49693 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 20->44 52 Hides threads from debuggers 20->52 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8d838d8dfcbba6f068d455c39821bff5e4fa44008adb85a54106ac06f6382dfb/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-10-04 20:38:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
27 of 35 (77.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rwby3dp4xotpa2gukxbzqin76xspuraarlnyljkba2wan5ryfx5q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0c70db6a9ca76b810f83954cfd531c69d437484d7346c11cb8234e600a1fa2c3
AgentTesla
1be4551aa3f6e1c1e3ca71c9de748778f2280e45225c9abc439c79d6bb40919c
AgentTesla
2cddcb281a866b9161475a879856e59ecae640656c7cbaece0cc69f5c53ecd78
AgentTesla
313897bcfd2d0d82e6f41eef6161976f84c602ebed626ee29feaec6ee36f2c94
AgentTesla
4eda7fdcc6081486e3a840365c46e5d069fb5c521b9eecad775456fea48c9ab3
AgentTesla
5498127f11928bb91062949e7f2d2a140164036490563db5fcfb85c29e4d3e1f
AgentTesla
630c670e2a7d49cba82a68aa324da4ea80e0cba429f2da39e52375aac154a283
AgentTesla
6f7ca91ba97ef5763da989b082f5f48168ecd080d20867e90194759c5516f2c5
AgentTesla
a77c3003795e0256c94937337cec5be20d883849bd77f940956607cdf719e637
AgentTesla
ad5cea196ca0aea1509a4b135d94ac4e86690b4769a09605e98bf9c31b1053d6
AgentTesla
+ 33 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection persistence spyware stealer
Link:
https://tria.ge/reports/231004-z6tfgahb55/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
942d015df927f1f340d031688e5e3434ecbed4fc643c2857f7e8f1b5a26c1e88
MD5 hash:
04246ff0b3e31e0055e4457a85e5f8f1
SHA1 hash:
bfdd0102f473acc83221101f0ddc795914d420dc
Link:
https://www.unpac.me/results/b76d586f-acea-40a4-ac07-e3834d92faa6/
SH256 hash:
4b145824b7d8925df8648316b35a8270a236517b0bbe23c879205901fb1af8ca
MD5 hash:
2c8e90b3989b19958a8df9c2d818a620
SHA1 hash:
1dee9070d8c417662fce9e7269b529603e6c508b
Detections:
win_agent_tesla_g1
Create hunting rule
Link:
https://www.unpac.me/results/b76d586f-acea-40a4-ac07-e3834d92faa6/
SH256 hash:
d55800a825792f55999abdad199dfa54f3184417215a298910f2c12cd9cc31ee
MD5 hash:
bfb160a89f4a607a60464631ed3ed9fd
SHA1 hash:
1c981ef3eea8548a30e8d7bf8d0d61f9224288dd
Link:
https://www.unpac.me/results/b76d586f-acea-40a4-ac07-e3834d92faa6/
SH256 hash:
8d838d8dfcbba6f068d455c39821bff5e4fa44008adb85a54106ac06f6382dfb
MD5 hash:
43793501051282b49746c790640bcf31
SHA1 hash:
22b7f695e9ea23a7717b69179f76d05f69df38f2
Link:
https://www.unpac.me/results/b76d586f-acea-40a4-ac07-e3834d92faa6/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8d838d8dfcbb/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/8d838d8dfcbba6f068d455c39821bff5e4fa44008adb85a54106ac06f6382dfb

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:AgentTesla
Create hunting rule
Author:kevoreilly
Description:AgentTesla Payload
Rule name:AgentTeslaV2
Create hunting rule
Author:ditekshen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:AgentTesla_mod_tough_mem
Create hunting rule
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:agent_tesla
Create hunting rule
Author:Stormshield
Description:Detecting HTML strings used by Agent Tesla malware
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
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_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:MALWARE_Win_AgentTeslaV2
Create hunting rule
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETDLLMicrosoft
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.

Web download

AgentTesla

Executable exe 8d838d8dfcbba6f068d455c39821bff5e4fa44008adb85a54106ac06f6382dfb

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2716432/

Comments


Avatar
zbet commented on 2023-10-04 21:20:06 UTC

url : hxxps://cdn1.frocdn.ch/XZJ7pcVdxODBwEr.exe