MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 750ac1c22fae6298acf85f62700ebbc8ccd8aff1f3ff20b28d8baa075a73c4bf. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 750ac1c22fae6298acf85f62700ebbc8ccd8aff1f3ff20b28d8baa075a73c4bf
SHA3-384 hash: a2017f740103505c516f2fc37439d0e90c49a49ae5e802ca26cb021915f24a0a92d7b95a8232200ac3cd3eb6c8ce2f3b
SHA1 hash: 774926accd036daf78478d7740526c919310f71b
MD5 hash: 899830be8695c78d6de6c199afde238b
humanhash: april-indigo-steak-wolfram
File name:899830be8695c78d6de6c199afde238b.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:72'392 bytes
First seen:2021-03-25 09:53:18 UTC
Last seen:2021-03-25 12:09:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:QBI28C0G+VKufO5fIA5O4Sg1/goBjCGflaGflvx/FIwJGun51uFDGflvx/FIwJGC:zpVGcKufejO4r/BjnhySBya
Threatray 3'510 similar samples on MalwareBazaar
TLSH EF63EEF80D7747EBE67CFA749282550AA231E83724248B6B45C783C3C45679F2CD46AE
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.weldasys.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0073083611.doc
Verdict:
Malicious activity
Analysis date:
2021-03-25 08:13:19 UTC
Tags:
exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/ad1fe0a2-1955-4991-8b2c-09c91024a250

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.DownLoader38.11437.15813.1045.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Sending a UDP request
Creating a file
Moving a recently created file
Launching a process
Creating a process with a hidden window
Running batch commands
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a window
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Blocking the User Account Control
Adding exclusions to Windows Defender
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/653643
Signature
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 375762 Sample: L7zXl7UfDE.exe Startdate: 25/03/2021 Architecture: WINDOWS Score: 88 33 weldasys.com 2->33 35 mail.weldasys.com 2->35 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected AgentTesla 2->47 8 L7zXl7UfDE.exe 17 8 2->8         started        signatures3 process4 dnsIp5 37 braxsilcxfxc.net.br 104.21.56.235, 49683, 80 CLOUDFLARENETUS United States 8->37 39 172.67.137.252, 443, 49684 CLOUDFLARENETUS United States 8->39 41 192.168.2.1 unknown unknown 8->41 31 C:\Users\user\AppData\...\4erjj0bs.newcfg, XML 8->31 dropped 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->51 53 Adds a directory exclusion to Windows Defender 8->53 55 2 other signatures 8->55 13 L7zXl7UfDE.exe 2 8->13         started        16 WerFault.exe 20 11 8->16         started        19 cmd.exe 1 8->19         started        21 powershell.exe 26 8->21         started        file6 signatures7 process8 file9 57 Tries to harvest and steal browser information (history, passwords, etc) 13->57 29 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 16->29 dropped 23 conhost.exe 19->23         started        25 timeout.exe 1 19->25         started        27 conhost.exe 21->27         started        signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/750ac1c22fae6298acf85f62700ebbc8ccd8aff1f3ff20b28d8baa075a73c4bf/
Threat name:
Win32.Trojan.Bulz
Create hunting rule
Status:
Malicious
First seen:
2021-03-25 01:51:41 UTC
AV detection:
9 of 48 (18.75%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oufmdqrpvzrjrlhyl5rhadv3zdgnrl7r6p7sbmunrovaowttys7q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
06b297adafce01483cae411b664c7ff6a80240e0e2562726aeb2db60fedeb3ab
AgentTesla
26a56f9240f2e8e51f0a564b08fd5d0c26f8ac99ffe1fe9875d787b2d026913a
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4d451eddbf3edc6f1038d1706253491f5912ef73f093d7ffa95b164f80b71384
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77dafc4c23c98c2d0518eb6bcee7cfc13128c249dafc4d5faefbfb67425f40e1
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9f804fc3753da4dfcfd24ff6b1962817f93ad1d281bd86742b8660396d2ebf54
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b399203403e92ab8865f492c93233be4d4d1ac1316c571b43171a052c7b214d7
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b54106089f5aa0b97aca6eb87655113e0629010b71d0a47c34d7dfaee54f0891
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cbf445acf88f00bf98448420369d09bb35264d53667272e3363fae6378fa7a1b
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f01dbed6e7c2bdd717fc4fa8b8924e3ded176c2e7eb8171c5699e118c4f6b69b
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f05d2a28234ee0f0d9997e2d8101df57dfcb78bd48557fa70ddb65d6f64bf5e2
AgentTesla
+ 3'500 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210325-qnrnyjbk96/
Behaviour
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
AgentTesla Payload
AgentTesla
UAC bypass
Windows security bypass
Unpacked files
SH256 hash:
750ac1c22fae6298acf85f62700ebbc8ccd8aff1f3ff20b28d8baa075a73c4bf
MD5 hash:
899830be8695c78d6de6c199afde238b
SHA1 hash:
774926accd036daf78478d7740526c919310f71b
Link:
https://www.unpac.me/results/992482f8-8109-414f-84ef-7642f2d130ab/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/750ac1c22fae6298acf85f62700ebbc8ccd8aff1f3ff20b28d8baa075a73c4bf

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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 750ac1c22fae6298acf85f62700ebbc8ccd8aff1f3ff20b28d8baa075a73c4bf

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1090631/
  
Delivery method
Distributed via web download

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