MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b749b4fbee63a62c60dbc94694a64fad5907d26016c7eb67674e8e640d0791be. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b749b4fbee63a62c60dbc94694a64fad5907d26016c7eb67674e8e640d0791be
SHA3-384 hash: 356125ace4cf4b7fd0bb0a9db81f22ea8f1d24d429d6db17b26895685013a35d2f1ab7646763fc7a4b7a77b42fdf5286
SHA1 hash: 107f801fd5e7cd9c6fe7dcbe5cdf4fda494f5ed5
MD5 hash: 0d7e0cc68f65ce59286b5fb245ead3db
humanhash: queen-two-pluto-undress
File name:New_requirement-pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:845'312 bytes
First seen:2021-08-23 04:17:10 UTC
Last seen:2021-08-23 06:47:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:0c9228+IDBG23xuke2xVLubBBsoMFXvNr+echWoNy5nwuU90Mo6wj:0xaIM23wke2oBB+V6Psm0Myj
Threatray 8'753 similar samples on MalwareBazaar
TLSH T1CA05F63C19B91637D1B5C365EBE48423F1489C5FB414AE696CDE23A7036BA9334C722E
dhash icon a0890925196894d4 (3 x AgentTesla)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
293
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New_requirement-pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-23 04:20:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0475813d-818c-46e2-bae6-8df7d69dd180

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/181343/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.20741.17808.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
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/14c4523d-a1b4-4083-80d5-7a441f1b2c13
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/837235
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts 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 (e.g. based on Emerging Threat rules)
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 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: 469665 Sample: New_requirement-pdf.exe Startdate: 23/08/2021 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->34 36 Found malware configuration 2->36 38 Yara detected AgentTesla 2->38 40 6 other signatures 2->40 7 New_requirement-pdf.exe 7 2->7         started        process3 file4 22 C:\Users\user\AppData\Roaming\yjihvPJv.exe, PE32 7->22 dropped 24 C:\Users\...\yjihvPJv.exe:Zone.Identifier, ASCII 7->24 dropped 26 C:\Users\user\AppData\Local\...\tmp3CDB.tmp, XML 7->26 dropped 28 C:\Users\user\...28ew_requirement-pdf.exe.log, ASCII 7->28 dropped 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->42 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->44 46 Uses schtasks.exe or at.exe to add and modify task schedules 7->46 48 Injects a PE file into a foreign processes 7->48 11 New_requirement-pdf.exe 2 7->11         started        16 schtasks.exe 1 7->16         started        18 New_requirement-pdf.exe 7->18         started        signatures5 process6 dnsIp7 32 server240.web-hosting.com 199.188.200.15, 49714, 587 NAMECHEAP-NETUS United States 11->32 30 C:\Windows\System32\drivers\etc\hosts, ASCII 11->30 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->50 52 Tries to steal Mail credentials (via file access) 11->52 54 Tries to harvest and steal ftp login credentials 11->54 56 3 other signatures 11->56 20 conhost.exe 16->20         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b749b4fbee63a62c60dbc94694a64fad5907d26016c7eb67674e8e640d0791be/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-23 04:18:10 UTC
AV detection:
13 of 46 (28.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w5e3j67omotcyyg3zfdjjjspvvmqputac3d6wz3hj2hgidihsg7a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0daf489ca1617986915a80c73dd00c81ba6d72854ddc415c495f5c907b640c7b
AgentTesla
1252078421caf8c3415891ca9012a285c509a1b952b56cc84d163000155def0a
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2849f8e54789388e2464504860329fc6d42ca47879cc61b8960e7297477cc948
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4d5efc07157713342c2b04e645ad4df03a689c09f92c928024518ebffa883bfd
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5f74b97ca7c8e3552f74e34bf854ff775122c4e0f24d0c8a3ff83bed4df3b9cc
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7d28dda4c85b9f4e9658a3876eb71c573aebac106f3ab82d85c04217f459322f
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9d3231435b27ab9cdf3e1f654f3cb48d240aa1636891c62867db3f0036deba04
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b1cd69c48573c38bbdcd957962221e6d14ebe9e1221e9c05b3c4460c4e5f5204
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df6e91bb335e1dc025fc44a26278f59896444e851065b2639c122264503e62f7
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e276b5f5931b82efa92a3d7a9e771b672c2e65fc69b04acb921ef96eff08f4f3
AgentTesla
+ 8'743 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/210823-594l1qmype/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
Link:
https://www.unpac.me/results/b9509b02-8dae-4157-ac00-6a1ce6ca2b6d/
SH256 hash:
f43d999ffd78efe096f25f55d59fade036cc793a44821983ddb1dbd68d294b1b
MD5 hash:
5133cd4cca62b16934f30dfc2bc580f3
SHA1 hash:
af5231fb0ea3bf8b53eabde5bc114088a907147a
Link:
https://www.unpac.me/results/b9509b02-8dae-4157-ac00-6a1ce6ca2b6d/
SH256 hash:
7949e39ca64710defdd14d4b073b6590f6f6b132f2c62241b331d2ca0896453d
MD5 hash:
5229bc5c628b9ae38f0385c7f3eaad1b
SHA1 hash:
240e09a25dcf268adbdd4359707ed2005dfd79cf
Link:
https://www.unpac.me/results/b9509b02-8dae-4157-ac00-6a1ce6ca2b6d/
SH256 hash:
b749b4fbee63a62c60dbc94694a64fad5907d26016c7eb67674e8e640d0791be
MD5 hash:
0d7e0cc68f65ce59286b5fb245ead3db
SHA1 hash:
107f801fd5e7cd9c6fe7dcbe5cdf4fda494f5ed5
Link:
https://www.unpac.me/results/b9509b02-8dae-4157-ac00-6a1ce6ca2b6d/
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/b749b4fbee63a62c60dbc94694a64fad5907d26016c7eb67674e8e640d0791be

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: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 b749b4fbee63a62c60dbc94694a64fad5907d26016c7eb67674e8e640d0791be

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/181343/

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