MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcb3f0c471ef7ff8146f911b7d5f5394699872e9140869c5531901b2170b2498. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
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SHA256 hash: bcb3f0c471ef7ff8146f911b7d5f5394699872e9140869c5531901b2170b2498
SHA3-384 hash: 9833becdfb752911a6c44e1f1433e8bf7e667913c75cb907016cfc4f840d699e04b1286b38d1b07214253a44caf03b59
SHA1 hash: ebb79141a3ff6f350d6881735e9707a849d955ce
MD5 hash: 393f12f18f28e9275a7d98731785f74d
humanhash: carpet-berlin-ten-happy
File name:hesaphareketi-01.Pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:687'104 bytes
First seen:2024-02-09 10:13:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:6xEd6gdfA5qhTR1p62uBQwyQeQp91C4enl/stJdWdHls4WiYbmdFC:6xcTA4TpYGSDC4wetJUlWxioQ4
TLSH T168E42296E63AB327D66D83F464A4A1D507B2353F7580E7AC1CCA24DC1E5230A5B60E3F
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
356
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
bcb3f0c471ef7ff8146f911b7d5f5394699872e9140869c5531901b2170b2498.exe
Verdict:
Malicious activity
Analysis date:
2024-02-09 10:16:35 UTC
Tags:
evasion stealer agenttesla
Link:
https://app.any.run/tasks/099ae41d-866e-4d6b-b3f3-5ff8fe922bc7

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/475560/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.4747.2236.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65c5faebdd5f280012673e42/reports/866151b7-5f6c-48f4-be7c-8cbc542fdcdb/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/bcb3f0c471ef7ff8146f911b7d5f5394699872e9140869c5531901b2170b2498
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/82ea6fe7-f987-4a20-becf-05b3c208171b
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1389679
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension File Execution
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1389679 Sample: hesaphareketi-01.Pdf.exe Startdate: 09/02/2024 Architecture: WINDOWS Score: 100 44 mail.ozmetalsan.com.tr 2->44 46 ozmetalsan.com.tr 2->46 48 2 other IPs or domains 2->48 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 62 14 other signatures 2->62 8 hesaphareketi-01.Pdf.exe 7 2->8         started        12 fTHyakQcyyeUIE.exe 5 2->12         started        signatures3 process4 file5 40 C:\Users\user\AppData\...\fTHyakQcyyeUIE.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmpE8D5.tmp, XML 8->42 dropped 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->64 66 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->66 68 Uses schtasks.exe or at.exe to add and modify task schedules 8->68 76 2 other signatures 8->76 14 hesaphareketi-01.Pdf.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 22 8->20         started        28 2 other processes 8->28 70 Multi AV Scanner detection for dropped file 12->70 72 Machine Learning detection for dropped file 12->72 74 Injects a PE file into a foreign processes 12->74 22 fTHyakQcyyeUIE.exe 12->22         started        24 schtasks.exe 12->24         started        26 fTHyakQcyyeUIE.exe 12->26         started        signatures6 process7 dnsIp8 50 ip-api.com 208.95.112.1, 49735, 49738, 80 TUT-ASUS United States 14->50 52 ozmetalsan.com.tr 95.173.177.114, 49736, 49739, 49740 NETINTERNETNetinternetBilisimTeknolojileriASTR Turkey 14->52 54 api.ipify.org 104.26.12.205, 443, 49734, 49737 CLOUDFLARENETUS United States 14->54 30 conhost.exe 18->30         started        32 WmiPrvSE.exe 18->32         started        34 conhost.exe 20->34         started        78 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->78 80 Tries to steal Mail credentials (via file / registry access) 22->80 82 Tries to harvest and steal browser information (history, passwords, etc) 22->82 36 conhost.exe 24->36         started        38 conhost.exe 28->38         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bcb3f0c471ef7ff8146f911b7d5f5394699872e9140869c5531901b2170b2498
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bcb3f0c471ef7ff8146f911b7d5f5394699872e9140869c5531901b2170b2498/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-02-09 08:56:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xsz7brdr5577qfdpsenx2x2tsruzq4xjcqegtrktdea3efylesma._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240209-l9mv7sca84/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
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:
0b3f45247161811c3e77bd6c3d4b3387cbf536d807b8da3c6a7a795337916fbb
MD5 hash:
ef5b3f80c4b7c972adb8ef81f85ca53e
SHA1 hash:
adc5208682e41c0cd935654b2e58cae4f5475862
Link:
https://www.unpac.me/results/e23cafd0-4544-497d-9057-a4471361fde4/
SH256 hash:
6d1ee05c7c47a0313f23aa092eeddad16879486a2cbfdd4ce0c941f1d8100a1a
MD5 hash:
19beb8cc9ddbbf874cdf84fcdb5b280f
SHA1 hash:
aa251f6a589d4af16e5ad5bf157a8efafc10513d
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/e23cafd0-4544-497d-9057-a4471361fde4/
Parent samples :
0bc08c76c241a4d33f07a116644a7a588f8c2d749995d171c89fb7bb619915ad
bcb3f0c471ef7ff8146f911b7d5f5394699872e9140869c5531901b2170b2498
1c98180948dc869d00e1fe42476559fae2d76e95ce809c47736aca2ed6c20970
SH256 hash:
16355e814f23d1a5c92929338ec687efe26c0926d6e1c6de3b1c067696f89055
MD5 hash:
0580f9d6b44d430fda773b60190d576b
SHA1 hash:
1384ddca072e3032ef5d070f983c587fdabf1c3f
Link:
https://www.unpac.me/results/e23cafd0-4544-497d-9057-a4471361fde4/
SH256 hash:
a3b82e2d17f660c450ba4dae95a26b906f12626462a4bb9a6c2833071dd9faf5
MD5 hash:
cf3241f04cc546fa617566e84b5c1793
SHA1 hash:
0b9cbe0c45fba268857e11ad4d71105193c19d02
Link:
https://www.unpac.me/results/e23cafd0-4544-497d-9057-a4471361fde4/
SH256 hash:
bcb3f0c471ef7ff8146f911b7d5f5394699872e9140869c5531901b2170b2498
MD5 hash:
393f12f18f28e9275a7d98731785f74d
SHA1 hash:
ebb79141a3ff6f350d6881735e9707a849d955ce
Link:
https://www.unpac.me/results/e23cafd0-4544-497d-9057-a4471361fde4/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bcb3f0c471ef/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/bcb3f0c471ef7ff8146f911b7d5f5394699872e9140869c5531901b2170b2498

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_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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

AgentTesla

Executable exe bcb3f0c471ef7ff8146f911b7d5f5394699872e9140869c5531901b2170b2498

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/475560/

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