MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5bb2779f0527200837d519ee00b5a45d1cf8d40c2a4cba5031eb4fd14113271. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5bb2779f0527200837d519ee00b5a45d1cf8d40c2a4cba5031eb4fd14113271
SHA3-384 hash: bfc7fcae58e3af7396329966111132046067fe5001f793d183761e712d270f66be7a4c768657fc33496f2e04a2ce8657
SHA1 hash: 6c9a4f16280f85b756c1b2c10b052b541ded92d4
MD5 hash: 015954859f8ac80d76b97720c726c24a
humanhash: magnesium-sierra-tennessee-batman
File name:MDmlvV50riQvp4a.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:712'704 bytes
First seen:2022-05-18 06:03:02 UTC
Last seen:2022-05-18 06:32:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:04RAs1tc8XGmdyND+J3zc2ORZpIxy5/ZvwfBnL6W6WMHNiHesETvBy:Vus1tBWZgpzXuIQ5/RPWXHezpy
Threatray 17'210 similar samples on MalwareBazaar
TLSH T110E4F12952B8DE55E9AA83FED06216F807756D07D402F78BCEA47CDA3D32380471A61B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter FORMALITYDE
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
MDmlvV50riQvp4a.exe
Verdict:
Malicious activity
Analysis date:
2022-05-18 06:07:37 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/60eb7636-9e54-47ed-be62-b2c51b166e8d

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/271937/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.6402.17878.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/62848c24d06ea2f4a0740ef9/reports/4d4a0f0d-b13a-47df-b92e-4cc5301777a4/overview
Result
Verdict:
UNKNOWN
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/9e557e8a-56b6-4e7d-999a-8bf56698ee1a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/996523
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
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 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)
Snort IDS alert for network traffic
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 629019 Sample: MDmlvV50riQvp4a.exe Startdate: 18/05/2022 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 10 other signatures 2->45 7 MDmlvV50riQvp4a.exe 7 2->7         started        process3 file4 27 C:\Users\user\AppData\Roaming\AucZuGK.exe, PE32 7->27 dropped 29 C:\Users\user\...\AucZuGK.exe:Zone.Identifier, ASCII 7->29 dropped 31 C:\Users\user\AppData\Local\Temp\tmpD19.tmp, XML 7->31 dropped 33 C:\Users\user\...\MDmlvV50riQvp4a.exe.log, ASCII 7->33 dropped 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->49 51 Uses schtasks.exe or at.exe to add and modify task schedules 7->51 53 2 other signatures 7->53 11 MDmlvV50riQvp4a.exe 2 7->11         started        15 powershell.exe 24 7->15         started        17 powershell.exe 25 7->17         started        19 2 other processes 7->19 signatures5 process6 dnsIp7 35 smtp.vhs-tr.com 11->35 37 us2.smtp.mailhostbox.com 162.222.225.29, 49760, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->37 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->55 57 Tries to steal Mail credentials (via file / registry access) 11->57 59 Tries to harvest and steal ftp login credentials 11->59 61 Tries to harvest and steal browser information (history, passwords, etc) 11->61 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b5bb2779f0527200837d519ee00b5a45d1cf8d40c2a4cba5031eb4fd14113271/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-18 04:26:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ww5so6pqkjzaba35kgpoac22ixi47dkayksmxjidd22p2fargjyq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
24f55e34af7010e53d6a0995e548eda8eb3adfc74de7ad01234d54ca2faffe97
AgentTesla
53fce8aab41263385b29397ddc1c46ea6de10edff1a1de180ceeac03d4e7eed6
AgentTesla
89ce93397cc9b5fae1209e68500959ba10d348614540c108f128ab08c54d7904
AgentTesla
8a4699cabc04b0716891f5bf981b24c119ab93b2dfd8f8db80651b16a896ffdb
AgentTesla
98f93717508683716d5455b957ec8b87912116f61f117a30f97b605ec9a842a1
AgentTesla
c3e4fe19f441967777b0510d88398919d01ec08e717502c952e761bf74bfd6c5
AgentTesla
c853971e3407ddf8473e72af56a304a5e283e548ef93dd9aff02060c5da57ead
AgentTesla
ec2435e5f30ac118fc59de569e9331715b89754a16c838054b625bb4983d3cb4
AgentTesla
+ 17'200 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer suricata trojan
Link:
https://tria.ge/reports/220518-gr25ysebf5/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
172f9027b79092afed454c953e197ff8ca429fb3011dce2564e856ddbaa66b81
MD5 hash:
47445cf8b5987e8aa6c17c29eea89b58
SHA1 hash:
7685757bcd4e735287fabc6d1eef3e7efeedf6de
Link:
https://www.unpac.me/results/386b680c-243a-4fd4-92bc-5ed10fbe8002/
SH256 hash:
09602efe05dc6b9738b23b91708978231d20c08329940541a086561795a6c9fd
MD5 hash:
1521132bd568891debf24b4973aaa24e
SHA1 hash:
393fafe43a177d02d2a8be164101fc2add2748dc
Link:
https://www.unpac.me/results/386b680c-243a-4fd4-92bc-5ed10fbe8002/
SH256 hash:
5c63d2f0c0e872429e7349942583cb13ca117939d2b96f037d715e6b9a9a69c0
MD5 hash:
8cd0466e14f3e2301134d24192fc98cf
SHA1 hash:
280a7a660c2b798e774ce8524ffc77e2cb8e768f
Link:
https://www.unpac.me/results/386b680c-243a-4fd4-92bc-5ed10fbe8002/
SH256 hash:
da897d2265c66673c225399a21bd82d8b3c79f7ac03f678280627765e8aabcc1
MD5 hash:
4f4d1616cf162c2567cdd926f98eb2e0
SHA1 hash:
142cf00c374b229aeb81aca90bb7e50334b882a0
Link:
https://www.unpac.me/results/386b680c-243a-4fd4-92bc-5ed10fbe8002/
SH256 hash:
b5bb2779f0527200837d519ee00b5a45d1cf8d40c2a4cba5031eb4fd14113271
MD5 hash:
015954859f8ac80d76b97720c726c24a
SHA1 hash:
6c9a4f16280f85b756c1b2c10b052b541ded92d4
Link:
https://www.unpac.me/results/386b680c-243a-4fd4-92bc-5ed10fbe8002/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b5bb2779f052/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/b5bb2779f0527200837d519ee00b5a45d1cf8d40c2a4cba5031eb4fd14113271

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: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 b5bb2779f0527200837d519ee00b5a45d1cf8d40c2a4cba5031eb4fd14113271

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/271937/

Comments