MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b583dd518cd3af269e4d7a0ebbcb04016cfb88e873ba31dc1c7e4f1db663345. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b583dd518cd3af269e4d7a0ebbcb04016cfb88e873ba31dc1c7e4f1db663345
SHA3-384 hash: a491bfeb8172213eb4706ce83404943d6a80b4cbda90e1a015f15101ba80a133d00ce9ed6278443a25d5e11a29bb959f
SHA1 hash: d45e7d81ca786af1039e392115489f70368f467d
MD5 hash: 2964918d50b05b33cbcbd80a5ba88b68
humanhash: undress-high-victor-table
File name:QUOTATION_REQUIRED-TTHl4OQVoJKWpph.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:878'080 bytes
First seen:2022-02-15 10:20:34 UTC
Last seen:2022-02-15 11:47:37 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:R1PgQ4NkiUb7AxD4YmC3iMyothzLOaGwPCdhcloqjsVPodj1wL5kQdDNZ/j:R1PtiUbsHV3i1otRSojsVPoxq5vN
Threatray 15'104 similar samples on MalwareBazaar
TLSH T1F815010BBA6FEE25C87417B944EB913607F19F4C2633CE7A687A32D81A413720D79539
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/241582/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1197.23155.26436.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/620b7e91ac8ad0468b41bcd9/reports/73ed3d5c-8343-4510-972d-8e6260f7453e/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bfd9183c-6f2f-4dd4-945d-933b185303e5
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/940016
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
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
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)
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 dnsIp2 2 Behavior Graph ID: 572496 Sample: QUOTATION_REQUIRED-TTHl4OQV... Startdate: 15/02/2022 Architecture: WINDOWS Score: 100 34 yaghis.cl 2->34 36 mail.yaghis.cl 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for dropped file 2->42 44 12 other signatures 2->44 8 QUOTATION_REQUIRED-TTHl4OQVoJKWpph.exe 7 2->8         started        signatures3 process4 file5 26 C:\Users\user\AppData\RoamingSXfjlun.exe, PE32 8->26 dropped 28 C:\Users\...SXfjlun.exe:Zone.Identifier, ASCII 8->28 dropped 30 C:\Users\user\AppData\Local\...\tmpA846.tmp, XML 8->30 dropped 32 QUOTATION_REQUIRED...4OQVoJKWpph.exe.log, ASCII 8->32 dropped 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->46 48 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->48 50 Uses schtasks.exe or at.exe to add and modify task schedules 8->50 52 2 other signatures 8->52 12 powershell.exe 21 8->12         started        14 powershell.exe 25 8->14         started        16 schtasks.exe 8->16         started        18 QUOTATION_REQUIRED-TTHl4OQVoJKWpph.exe 8->18         started        signatures6 process7 process8 20 conhost.exe 12->20         started        22 conhost.exe 14->22         started        24 conhost.exe 16->24         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b583dd518cd3af269e4d7a0ebbcb04016cfb88e873ba31dc1c7e4f1db663345/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-02-15 10:21:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1f332e13d0ba87a0dbbed2a27f3fa73be40d1b2468f95ddc4e18b3395947cd0c
AgentTesla
491139cde010544822237cf87d9a34ace22a8e2bfd4eb7cc5ebd060e465e63f7
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4fcdae562d7a9bba5bd8997e152ffb33211a2e42c322adfd24b68cf448e5272c
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83349469149f13b2d777f92f2bf3205d506331d6c743aecfcd62d497e5efe902
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c18f93ea28669c12395a479b0ca24a8b9fd1caa30cb816172584a9c6cea6fb5b
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c7a14d6475b58ba96618ff0d54d28ec4b1e03325030e873ebc7a2c0a7692c51a
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cb8a7d1d9c86d996899769e9abac0b326053dae7f9d8fc226aabfa89f3f8d16e
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d0e52d49dac173d7e660fe4c404de85fdc3098cf323d3969959a4faf71b9b7e1
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d32c2c7ba858b6fea5e943b58247a9c8bc8437966d7e682085ab150e18101b8e
AgentTesla
+ 15'094 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/220215-mdncjafbel/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
47b28bbdad13ae195e148eef429a5820d80035fe9f6a7394ce08ed40646bbbf0
MD5 hash:
9a62d71069d9f8b68e408280df94e2dc
SHA1 hash:
f55591ce4ae96540e93f9f1fc6877d5d619a4893
Link:
https://www.unpac.me/results/2456d47b-b224-47f0-ad62-5af1d7e13c50/
SH256 hash:
3ca74eb4ce4c2c5604dc298949ae47996d93063abfde0682d689205561d17d44
MD5 hash:
4e35b541f3d9162d0ac93d336df67779
SHA1 hash:
bb9e65761186806d4bada659e9d5db0c070501d4
Link:
https://www.unpac.me/results/2456d47b-b224-47f0-ad62-5af1d7e13c50/
SH256 hash:
f0cac394303a4dc8a15bb11fe6a63c616dd2e6cbe02f9a1e12911566385ae5ac
MD5 hash:
86c22f11a79d4e9486ded03b40cb8ae0
SHA1 hash:
a6315b92a3be72d1dca6b62372d2963db0ce64f6
Link:
https://www.unpac.me/results/2456d47b-b224-47f0-ad62-5af1d7e13c50/
SH256 hash:
08a02f3c9b0d768ad7b2dad9889058eb6e43995dbb9b8fd941db930171451b9d
MD5 hash:
b30b2181629deae330d1e6c9e075fe9e
SHA1 hash:
9aeef04d0d25a967efa1333710582d778a6994b7
Link:
https://www.unpac.me/results/2456d47b-b224-47f0-ad62-5af1d7e13c50/
SH256 hash:
4b583dd518cd3af269e4d7a0ebbcb04016cfb88e873ba31dc1c7e4f1db663345
MD5 hash:
2964918d50b05b33cbcbd80a5ba88b68
SHA1 hash:
d45e7d81ca786af1039e392115489f70368f467d
Link:
https://www.unpac.me/results/2456d47b-b224-47f0-ad62-5af1d7e13c50/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4b583dd518cd/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/4b583dd518cd3af269e4d7a0ebbcb04016cfb88e873ba31dc1c7e4f1db663345

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
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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 4b583dd518cd3af269e4d7a0ebbcb04016cfb88e873ba31dc1c7e4f1db663345

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/241582/

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