MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b40d1df45c1dba407a1d0e969d076e7278b648f94633c74d10ceee2c3f81f9b7. 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: b40d1df45c1dba407a1d0e969d076e7278b648f94633c74d10ceee2c3f81f9b7
SHA3-384 hash: 478ad9dc145a51d9d6221578597463568aa0ef1a6ed5e8a4291584b619f94f3d3a6a777da43b0c6dfe05b8e155db18f2
SHA1 hash: 855b6b83d3252e18141bfeeb4f6068607d991489
MD5 hash: 16a92911eafba2cb829d29223fc9b0e3
humanhash: venus-lima-magnesium-vermont
File name:b40d1df45c1dba407a1d0e969d076e7278b648f94633c74d10ceee2c3f81f9b7
Download: download sample
Signature AgentTesla
Create hunting rule
File size:173'056 bytes
First seen:2023-03-13 07:10:02 UTC
Last seen:2023-03-13 08:33:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:j1nYgl94b6tGXFv7XLTNjImvkYK/QE5G3PwLxUXt/h0Y4T3A3Fp0:j1nYgtG3jLK/0oH3ED
Threatray 1'332 similar samples on MalwareBazaar
TLSH T18704286D93898A11CB2D40B9C7B010C816B29277B617E75D6EE199FA3F067C3322EC57
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b40d1df45c1dba407a1d0e969d076e7278b648f94633c74d10ceee2c3f81f9b7
Verdict:
Malicious activity
Analysis date:
2023-03-13 07:22:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1c0bd32d-243c-47a3-9cb3-f54ee56bbee7

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/373862/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.24596.15611.27316.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a window
Reading critical registry keys
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
hacktool packed
Link:
https://www.filescan.io/uploads/640ecc5415e425e0dcc1c56c/reports/bd6fee08-a233-42cc-ad11-ba08ac05e540/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/b40d1df45c1dba407a1d0e969d076e7278b648f94633c74d10ceee2c3f81f9b7
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1c34d791-d3e0-4cc5-a889-a42ab84a396e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1192233
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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 harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 825109 Sample: 4wqRVHUtpe.exe Startdate: 13/03/2023 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 2 other signatures 2->38 5 IfInhwq.exe 14 7 2->5         started        9 4wqRVHUtpe.exe 17 10 2->9         started        12 IfInhwq.exe 7 2->12         started        process3 dnsIp4 18 162.159.138.232, 443, 49713, 49716 CLOUDFLARENETUS United States 5->18 28 2 other IPs or domains 5->28 40 Antivirus detection for dropped file 5->40 42 Multi AV Scanner detection for dropped file 5->42 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 5->44 58 2 other signatures 5->58 20 discord.com 162.159.137.232, 443, 49710, 49711 CLOUDFLARENETUS United States 9->20 22 api4.ipify.org 64.185.227.155, 443, 49709, 49712 WEBNXUS United States 9->22 24 api.ipify.org 9->24 14 C:\Users\user\AppData\Roaming\...\IfInhwq.exe, PE32 9->14 dropped 16 C:\Users\user\...\IfInhwq.exe:Zone.Identifier, ASCII 9->16 dropped 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->46 48 May check the online IP address of the machine 9->48 50 Tries to steal Mail credentials (via file / registry access) 9->50 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->52 26 173.231.16.76, 443, 49715 WEBNXUS United States 12->26 30 2 other IPs or domains 12->30 54 Tries to harvest and steal browser information (history, passwords, etc) 12->54 56 Installs a global keyboard hook 12->56 file5 signatures6
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b40d1df45c1dba407a1d0e969d076e7278b648f94633c74d10ceee2c3f81f9b7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-03-13 07:11:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wqgr35c4dw5ea6q5b2lj2b3ooj4lmshziyz4otiqz3xcyp4b7g3q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
29efaf03dee08b4e3f4e23e41b9581513da070dc49e746e91aee2022fef12088
AgentTesla
441db0ba656348d924bb8cd264d09f13cc1f5d1f457ce758aa5baed1ee029fb6
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4b6468989653964cef811f5f54369376c1f07ee33a4d5cb279374a03d0c06a9d
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50e54a9fde90cc5b555710e820516e6a54715ba6633efea4310ba017c113d464
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58173548c2124b6a23d02762e8699b9bb1d8f7fdc2b4365a7c1f97ab8639c1d8
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589459202b13d455eb66686b0ad19c3dcadc8b7b915515fced84ede742868c10
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5f0ac25045091660d4c19a11ef3fa4c75ca597a69bde1ccbee3a99135fcb1832
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60756600b313edbba5f10915507ae6f7e1fe22bb7dc34e7efa2c1503441f8736
AgentTesla
aa5336fbd1f094aabf356588943e259fdb8330a19e9e957bf8bbcac9d3ae7401
AgentTesla
f81ea0341cc62ab6c2d730bcfd2d03ec3a970030b028c2083c3e4cb59b2efe9e
AgentTesla
+ 1'322 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230313-hze6tsha45/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
outlook_office_path
outlook_win_path
Accesses Microsoft Outlook profiles
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1081900989902241792/rFoN7jlk0MR9o77RpDTjOrhpsFg6tisJf4nr5Ve5BgdWMpUtC-5sPLHRnlZHzX0I_4Pg
Unpacked files
SH256 hash:
b40d1df45c1dba407a1d0e969d076e7278b648f94633c74d10ceee2c3f81f9b7
MD5 hash:
16a92911eafba2cb829d29223fc9b0e3
SHA1 hash:
855b6b83d3252e18141bfeeb4f6068607d991489
Link:
https://www.unpac.me/results/2256ef58-d6e4-40a7-a8b3-d75c6ac587e4/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b40d1df45c1d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b40d1df45c1dba407a1d0e969d076e7278b648f94633c74d10ceee2c3f81f9b7

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 b40d1df45c1dba407a1d0e969d076e7278b648f94633c74d10ceee2c3f81f9b7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/373862/

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