MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a8550bd2fe9e9d67d5433a95e8fd069dde38b79027000dcd915bb0ca8c27774. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5a8550bd2fe9e9d67d5433a95e8fd069dde38b79027000dcd915bb0ca8c27774
SHA3-384 hash: 5cefc6f5bec10b547937992058e0a6f732c4c79bafeb538f54da9f2f5dcf49af82400be37f99e4f1ab51f500b3ed9159
SHA1 hash: b80f66da52369b9f7bcea80a17f4b78da31300d2
MD5 hash: a227796d7f3dc7be6b62a87ef8f19bb4
humanhash: snake-tennessee-illinois-batman
File name:a227796d7f3dc7be6b62a87ef8f19bb4.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:969'728 bytes
First seen:2021-09-06 17:13:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'754 x AgentTesla, 19'660 x Formbook, 12'251 x SnakeKeylogger)
ssdeep 12288:V2Jm4MzH+hB/pzxJi3X3+b6umJBDARbeqTJgl7UInbZuXFrJFcDC:V8LpXk+b6umJBDAJeqtglgk+rJ5
Threatray 9'706 similar samples on MalwareBazaar
TLSH T19A259D1037FC8E25DADE2B34E071590487F9FC17A6BAD78E6944B5AA0C63B409E513B3
dhash icon 1030e8aa96969686 (12 x AgentTesla, 4 x Formbook, 1 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
00033265.doc
Verdict:
Malicious activity
Analysis date:
2021-09-06 16:28:08 UTC
Tags:
ole-embedded loader
Link:
https://app.any.run/tasks/d4e431d9-a9cd-42ab-84f4-55ca923e8477

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/185701/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
DNS request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cc9a874c-e554-4db2-a74e-32c475e0a837
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/846087
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
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)
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 powershell Test-Connection to delay payload execution;
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 478518 Sample: qQfUQAAbSe.exe Startdate: 06/09/2021 Architecture: WINDOWS Score: 100 40 youtube.com 2->40 42 outlook.com 2->42 44 3 other IPs or domains 2->44 58 Found malware configuration 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 Yara detected AgentTesla 2->62 64 5 other signatures 2->64 8 qQfUQAAbSe.exe 6 2->8         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\qQfUQAAbSe.exe, PE32 8->34 dropped 36 C:\Users\...\qQfUQAAbSe.exe:Zone.Identifier, ASCII 8->36 dropped 38 C:\Users\user\AppData\...\qQfUQAAbSe.exe.log, ASCII 8->38 dropped 66 Writes to foreign memory regions 8->66 68 Uses powershell Test-Connection to delay payload execution; 8->68 70 Injects a PE file into a foreign processes 8->70 12 qQfUQAAbSe.exe 8->12         started        16 powershell.exe 18 8->16         started        18 powershell.exe 19 8->18         started        20 4 other processes 8->20 signatures6 process7 dnsIp8 46 api.telegram.org 149.154.167.220, 443, 49719, 49720 TELEGRAMRU United Kingdom 12->46 72 Multi AV Scanner detection for dropped file 12->72 74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->74 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->76 78 5 other signatures 12->78 48 facebook.com 16->48 22 conhost.exe 16->22         started        50 youtube.com 18->50 24 conhost.exe 18->24         started        52 192.168.2.1 unknown unknown 20->52 54 outlook.com 20->54 56 2 other IPs or domains 20->56 26 conhost.exe 20->26         started        28 conhost.exe 20->28         started        30 conhost.exe 20->30         started        32 conhost.exe 20->32         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5a8550bd2fe9e9d67d5433a95e8fd069dde38b79027000dcd915bb0ca8c27774/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2021-09-06 16:32:51 UTC
AV detection:
11 of 43 (25.58%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lkcvbpjp5hu5m7kugouv5d6qnho6hc3zajyabxgzcw5qzkgco52a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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054147573d08967dfe8425a2df8295d8829e4cd839c3a73124bdeeaff2b991f8
AgentTesla
1147da78f52d880376bf4e7c1a6833dbef0003f90e4eb2c2bcae2fb99e18ed78
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4e3660b8e20daf7fd30c539195fee951da2a9cd27a1301ca2a5ea5e04e957682
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76de5f4fd5c14ff6571946669330ec2b0f1fcffd7b1427aadc90c1c7869fab60
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7f02a7523107a99faf4041a8a82fd768840612dc913b0e1c3081d28ed7a8edfc
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e64b92bf32ded15a31b4d29b24e7bcd4f20a8af4a62832384bc7e027a9ea41bd
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f1f5174c7267e492c229c159fcbcd8e0c11678a9bca170066efbd9824d77b030
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fca02c1e43831d819e18a62b8437ce43942eca3110c68a09be88a600fba74fce
AgentTesla
+ 9'696 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/210906-vrzxgseedp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot1880141509:AAHjseWsCVnzygKB72YGbdj6S0DpdeKfGSs/sendDocument
Unpacked files
SH256 hash:
6b3dceee9136c588aee3bcf4abba7307910923a35f5a9b0c3cb80391f197a04c
MD5 hash:
6a7169232ef9971365438668aac9cfac
SHA1 hash:
a9d611e46da9b2f02aa8d5f4427f0b43e011ae08
Link:
https://www.unpac.me/results/e0f97940-1592-4a8a-9a30-b0a6c3f7a620/
SH256 hash:
0ef4bc5d27c14cce144d5556512eaff01b9874908f01247e435edb635bf4a03e
MD5 hash:
2aeb67092e971dd29d5ac01184a20299
SHA1 hash:
6ad9c67544521b0d0561d3d0c860df46daea1c66
Link:
https://www.unpac.me/results/e0f97940-1592-4a8a-9a30-b0a6c3f7a620/
SH256 hash:
d5c9714fca84348b3acc44f0f617bd259def43ac69155d06a34d3c59a0c4efc8
MD5 hash:
4c6a5af082941dbd122063e8c8e50e09
SHA1 hash:
1be4e975c035016a8c2ef79bc030154e92ed981e
Link:
https://www.unpac.me/results/e0f97940-1592-4a8a-9a30-b0a6c3f7a620/
SH256 hash:
5a8550bd2fe9e9d67d5433a95e8fd069dde38b79027000dcd915bb0ca8c27774
MD5 hash:
a227796d7f3dc7be6b62a87ef8f19bb4
SHA1 hash:
b80f66da52369b9f7bcea80a17f4b78da31300d2
Link:
https://www.unpac.me/results/e0f97940-1592-4a8a-9a30-b0a6c3f7a620/
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/5a8550bd2fe9e9d67d5433a95e8fd069dde38b79027000dcd915bb0ca8c27774

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:Telegram_Exfiltration_Via_Api
Create hunting rule
Author:lsepaolo
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.

Web download

AgentTesla

Executable exe 5a8550bd2fe9e9d67d5433a95e8fd069dde38b79027000dcd915bb0ca8c27774

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1566396/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/185701/

Comments