MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfcb9c79ec828bd527ecb92c7a159d23279d845f1a67c96bafa03aa8b957ad69. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bfcb9c79ec828bd527ecb92c7a159d23279d845f1a67c96bafa03aa8b957ad69
SHA3-384 hash: 0184d317982a00213e5528c8b3f0d3aafdfeaac36572601373d22a7df930308c8c7c885be178528ce32def5c5c898d1a
SHA1 hash: 179b44a3314470137c950384b2e5e200b5591947
MD5 hash: e84ce570dc26c88560c8e6bcb6925019
humanhash: october-mobile-sad-quiet
File name:Halkbank_Ekstre_20230816_080757_783952.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:818'176 bytes
First seen:2023-08-17 18:16:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:0ZnD4tz98xqfdQhtjN3Wc8xhsAEXdi0gytuYBPSU/03S:0KtJCqf2hxYvzN403S
TLSH T1C205D07232F806ABE06E81B956243103DF7295BB6466E6C5BCCE12E69FC6F411603F17
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 006868cccc686800 (8 x AgentTesla, 4 x Formbook, 1 x DarkCloud)
Reporter abuse_ch
Tags:AgentTesla exe geo Halkbank TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
294
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Halkbank_Ekstre_20230816_080757_783952.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-08-17 18:26:48 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/2540af97-b342-47a2-bbb0-f609fd6daf7a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/443296/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/bfcb9c79ec828bd527ecb92c7a159d23279d845f1a67c96bafa03aa8b957ad69
Result
Verdict:
MALICIOUS
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a0cd60dc-0152-4a7d-ad2a-52c175e9652c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1293017
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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
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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1293017 Sample: Halkbank_Ekstre_20230816_08... Startdate: 17/08/2023 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 7 other signatures 2->68 7 Halkbank_Ekstre_20230816_080757_783952.pdf.exe 7 2->7         started        11 cKHpTdnLC.exe 5 2->11         started        13 plQRn125.exe 2->13         started        15 plQRn125.exe 2->15         started        process3 file4 46 C:\Users\user\AppData\Roaming\cKHpTdnLC.exe, PE32 7->46 dropped 48 C:\Users\user\AppData\Local\Temp\tmpF93.tmp, XML 7->48 dropped 78 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->78 80 May check the online IP address of the machine 7->80 82 Uses schtasks.exe or at.exe to add and modify task schedules 7->82 84 Adds a directory exclusion to Windows Defender 7->84 17 Halkbank_Ekstre_20230816_080757_783952.pdf.exe 17 5 7->17         started        22 powershell.exe 20 7->22         started        24 schtasks.exe 1 7->24         started        86 Multi AV Scanner detection for dropped file 11->86 26 cKHpTdnLC.exe 2 11->26         started        28 schtasks.exe 1 11->28         started        30 plQRn125.exe 13->30         started        32 schtasks.exe 13->32         started        signatures5 process6 dnsIp7 50 mail.imajbranda.com 160.153.133.219, 49719, 49723, 49739 GODADDY-AMSDE United States 17->50 52 api4.ipify.org 173.231.16.76, 443, 49716, 49724 WEBNXUS United States 17->52 54 api.ipify.org 17->54 42 C:\Users\user\AppData\...\plQRn125.exe, PE32 17->42 dropped 44 C:\Users\...\plQRn125.exe:Zone.Identifier, ASCII 17->44 dropped 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->70 72 Tries to steal Mail credentials (via file / registry access) 17->72 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->74 34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        56 api.ipify.org 26->56 38 conhost.exe 28->38         started        58 64.185.227.156, 443, 49727 WEBNXUS United States 30->58 60 api.ipify.org 30->60 76 Tries to harvest and steal browser information (history, passwords, etc) 30->76 40 conhost.exe 32->40         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bfcb9c79ec828bd527ecb92c7a159d23279d845f1a67c96bafa03aa8b957ad69/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-08-16 08:54:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x7fzy6pmqkf5kj7mxewhufm5emtz3bc7djt4s25pua5krokxvvuq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence spyware stealer
Link:
https://tria.ge/reports/230817-ww3dvade3x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
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
Unpacked files
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
Link:
https://www.unpac.me/results/6bacac48-14fc-4535-92d3-371952d2194b/
SH256 hash:
b59d84484378f014208d0a7ca1e20e80528f8618632a9086ce3e2e251a07a3c1
MD5 hash:
4597c6b34bc04a71f6a60a47b94c2e7a
SHA1 hash:
7658aad24af836d1c65cac3edd84ae6208b394fe
Link:
https://www.unpac.me/results/6bacac48-14fc-4535-92d3-371952d2194b/
SH256 hash:
b0c2e684af3f79b0a2258406c1daf6c93e38805499eea244c8afab7a5bd09919
MD5 hash:
bf51bee80a58df524c94fff484626376
SHA1 hash:
1b7490d00236b96452117ffb861b6590b350bfa5
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/6bacac48-14fc-4535-92d3-371952d2194b/
Parent samples :
6818b7dbbe4752b07a9e9aa8c52e4e7544b71f062bb6a5f4b7e0c9172601fa97
bfcb9c79ec828bd527ecb92c7a159d23279d845f1a67c96bafa03aa8b957ad69
SH256 hash:
b26a7e88c2fc5a6dbf3e1f5d8ac59c4579b3b9047f462c5cb7ee79548fa18da9
MD5 hash:
06dc1333af7361fb9ebebe5c4dbe58e4
SHA1 hash:
1adadf881904c5370e96c0a566085cf3c83ca8d0
Link:
https://www.unpac.me/results/6bacac48-14fc-4535-92d3-371952d2194b/
SH256 hash:
bfcb9c79ec828bd527ecb92c7a159d23279d845f1a67c96bafa03aa8b957ad69
MD5 hash:
e84ce570dc26c88560c8e6bcb6925019
SHA1 hash:
179b44a3314470137c950384b2e5e200b5591947
Link:
https://www.unpac.me/results/6bacac48-14fc-4535-92d3-371952d2194b/
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/bfcb9c79ec828bd527ecb92c7a159d23279d845f1a67c96bafa03aa8b957ad69

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:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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

AgentTesla

Executable exe bfcb9c79ec828bd527ecb92c7a159d23279d845f1a67c96bafa03aa8b957ad69

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/443296/

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