MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bccd1fc4ce5a57bec557420fab248f7eb3c090d0374c454375f2c864376c970d. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bccd1fc4ce5a57bec557420fab248f7eb3c090d0374c454375f2c864376c970d
SHA3-384 hash: 26767e761f245d4d22119fff5383894e2bc914cb9d9dd1149af22b91df46ad24ebde8b07945beaf645b431677de465fa
SHA1 hash: de2d65cdc934ac14b1289e2e3f0f908ad4103367
MD5 hash: 73f57c8645a734065ef7fd76033bd997
humanhash: sweet-october-foxtrot-vegan
File name:purchase_Order.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:800'768 bytes
First seen:2021-08-30 13:11:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:z6ESlA7rf2gW20ZlFuF1wDMFfBj2kydk:OEsA7rf2H20Hs5j29+
Threatray 9'142 similar samples on MalwareBazaar
TLSH T168050B7E19BDA227C165C6F58BE38423F0409B6F3110A96476D357664332A7AB4F332E
Reporter info_sec_ca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
purchase_Order.pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-30 14:27:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8ddbe25c-6c69-442b-8c04-036a3caa6747

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/183763/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8a5a936b-7b0a-458c-8efa-734700c3574e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/841889
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Suspicious Double Extension
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 474316 Sample: purchase_Order.pdf.exe Startdate: 30/08/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected AgentTesla 2->49 51 8 other signatures 2->51 6 purchase_Order.pdf.exe 3 2->6         started        10 OBjSdZX.exe 3 2->10         started        12 OBjSdZX.exe 2 2->12         started        process3 file4 29 C:\Users\user\...\purchase_Order.pdf.exe.log, ASCII 6->29 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->55 57 Injects a PE file into a foreign processes 6->57 14 purchase_Order.pdf.exe 2 5 6->14         started        19 purchase_Order.pdf.exe 6->19         started        21 purchase_Order.pdf.exe 6->21         started        59 Multi AV Scanner detection for dropped file 10->59 61 Machine Learning detection for dropped file 10->61 23 OBjSdZX.exe 2 10->23         started        25 OBjSdZX.exe 10->25         started        27 OBjSdZX.exe 2 12->27         started        signatures5 process6 dnsIp7 35 us2.smtp.mailhostbox.com 208.91.198.143, 49713, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->35 31 C:\Users\user\AppData\Roaming\...\OBjSdZX.exe, PE32 14->31 dropped 33 C:\Users\user\...\OBjSdZX.exe:Zone.Identifier, ASCII 14->33 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Tries to steal Mail credentials (via file access) 14->39 41 Tries to harvest and steal ftp login credentials 14->41 43 2 other signatures 14->43 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bccd1fc4ce5a57bec557420fab248f7eb3c090d0374c454375f2c864376c970d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-30 03:23:18 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xtgr7rgoljl35rkxiih2wjepp2z4begqg5gekq3v6legin3ms4gq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
25e011e57e7ef6ca2c972b6f32bfce6fc649e96d392c9dd430d7679085391b6f
AgentTesla
2e10233f14882e29da2131e7239cb850c3541e014ff77ce51a1a355f6a57e431
AgentTesla
5cf8e944ea54195e221343dec2bb3728c5faecc2b55be781b597503a7ae2fd39
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657c69de502eb40844ebd953f665be2d7e1679b886a049ec6cdd246c3baf2360
AgentTesla
6f871f3642191d04e4fe20f022f738d89b3ad90b531cef6adde91d10f257431d
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7fb4a26d9f2c3a08c69d7f5838b7f88d8c6f31ab2aa69b130b150449baaea7ad
AgentTesla
b045b7b993b005e1930ca50a9eb65df8b62ca29d1dfdbbb28ca6621384172908
AgentTesla
bd89f6e2794f0c383ca15b99c53a28d6b527be58ec713efcafff4f0db21959f9
AgentTesla
c21d2f1d2c5dad844ee2c789b2a424f0808e9eaf4edbf4319dca34531aacbe2c
AgentTesla
+ 9'132 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210830-gzwecd2a1s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
Link:
https://www.unpac.me/results/25af4531-a6c0-49ec-ba7f-d3d0e464e353/
SH256 hash:
a1422e8cba24f2f4b09aa5f1dd97ff604169eb2ae6f9d486a92aa27e73a80328
MD5 hash:
47436ad86664cd20c4bc03c64d83bc04
SHA1 hash:
c271262d438830bc50cbaef2c9a4f507ee36ec05
Link:
https://www.unpac.me/results/25af4531-a6c0-49ec-ba7f-d3d0e464e353/
SH256 hash:
3b890180377ca2324e175cba735360482a56f06c569d6880d004e10d5c6b53c5
MD5 hash:
e8c66c6e342dc2d781d1f4cd23d9675a
SHA1 hash:
27135388a53f3390114c7fad50f21f54d431acd8
Link:
https://www.unpac.me/results/25af4531-a6c0-49ec-ba7f-d3d0e464e353/
SH256 hash:
bccd1fc4ce5a57bec557420fab248f7eb3c090d0374c454375f2c864376c970d
MD5 hash:
73f57c8645a734065ef7fd76033bd997
SHA1 hash:
de2d65cdc934ac14b1289e2e3f0f908ad4103367
Link:
https://www.unpac.me/results/25af4531-a6c0-49ec-ba7f-d3d0e464e353/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/bccd1fc4ce5a/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/bccd1fc4ce5a57bec557420fab248f7eb3c090d0374c454375f2c864376c970d

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/183763/

Comments