MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91a10a6ddbdd84c582c2cd618a659bee55d9da5f6b8a4b94241069958a710951. 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: 18


Intelligence 18 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91a10a6ddbdd84c582c2cd618a659bee55d9da5f6b8a4b94241069958a710951
SHA3-384 hash: 626feaf8c76c8eb240ff2cbd74fe0155b0803ad9a3fd7bc4ba4b09e7665ebd5278e2b734a4746687d28072ef903bc57a
SHA1 hash: b801d35b137a16645692b86faeaa8ca39c9eda5d
MD5 hash: 2fe5d36f267da6b072f024fc1436eb2d
humanhash: bacon-lamp-earth-johnny
File name:Shipping documentsInvoice and Packing List, Certificate of Origin.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:566'272 bytes
First seen:2023-09-28 06:54:35 UTC
Last seen:2023-09-28 07:44:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:atzX+Uw6SuNKR0f8gr2qgEcXQXX6sCC/4BNdWko72R4f2HPCU:atzDSuNKR0f8gr2q7ssCCAD872RPC
Threatray 5'774 similar samples on MalwareBazaar
TLSH T1C3C4AE2536EA1606F17AABB307B7FC4487FEF2E2A72BF51E2C9601C742D2D40DA11525
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter cocaman
Tags:AgentTesla exe Shipping

Intelligence

File Origin
# of uploads :
2
# of downloads :
314
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Shipping documentsInvoice and Packing List, Certificate of Origin.exe
Verdict:
Malicious activity
Analysis date:
2023-09-28 08:40:33 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/3a900b53-ad7a-48a5-86d1-179aef783860

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/451729/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.8106.9439.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware masquerade packed
Link:
https://www.filescan.io/uploads/651523494a9bd894f59992a3/reports/c5032b0b-b354-45cc-88dd-b055f7569938/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/91a10a6ddbdd84c582c2cd618a659bee55d9da5f6b8a4b94241069958a710951
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3c3d5195-6df8-4151-acc3-1db59e488c5d
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1315679
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 strings
Contains functionality to log keystrokes (.Net Source)
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
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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 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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1315679 Sample: Shipping_documentsInvoice_a... Startdate: 28/09/2023 Architecture: WINDOWS Score: 100 34 tse1.mm.bing.net 2->34 44 Found malware configuration 2->44 46 Sigma detected: Scheduled temp file as task from temp location 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 9 other signatures 2->50 8 Shipping_documentsInvoice_and_Packing_List,_Certificate_of_Origin.exe 6 2->8         started        12 gVNdwqtecNzPlw.exe 5 2->12         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\gVNdwqtecNzPlw.exe, PE32 8->30 dropped 32 C:\Users\user\AppData\Local\...\tmp388C.tmp, XML 8->32 dropped 52 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->52 54 Uses schtasks.exe or at.exe to add and modify task schedules 8->54 56 Writes to foreign memory regions 8->56 14 RegSvcs.exe 15 2 8->14         started        18 backgroundTaskHost.exe 8->18         started        20 schtasks.exe 1 8->20         started        58 Multi AV Scanner detection for dropped file 12->58 60 Machine Learning detection for dropped file 12->60 62 Injects a PE file into a foreign processes 12->62 22 RegSvcs.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 36 api4.ipify.org 104.237.62.212, 443, 49790, 49792 WEBNXUS United States 14->36 38 sh003.webhostbox.net 162.241.27.12, 49791, 49793, 587 UNIFIEDLAYER-AS-1US United States 14->38 40 api.ipify.org 14->40 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->64 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->66 68 May check the online IP address of the machine 14->68 26 conhost.exe 20->26         started        42 api.ipify.org 22->42 70 Tries to steal Mail credentials (via file / registry access) 22->70 72 Tries to harvest and steal browser information (history, passwords, etc) 22->72 28 conhost.exe 24->28         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/91a10a6ddbdd84c582c2cd618a659bee55d9da5f6b8a4b94241069958a710951/
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2023-09-27 17:15:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sgqqu3o33wcmlawczvqyuzm35zk5tws7nofexfbecbuzlctrbfiq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
48e030cc0ca1af0e027949d1f16b86226e352065d9bf5eba4ca7719efe61b0cf
AgentTesla
674a748111a6ce0179d7282aec3a9b3da359f024c4206f61876a78261e65c19d
AgentTesla
7576e8a511b554c10cbb9af84a0e764f2c22e05bbeb04747ffc773aa39e0590d
AgentTesla
83748a5ac66d6a53d6c71eafa0bc7da28546bb58b60fd27bedd158730844a6dc
AgentTesla
abe8a963227c2e0dc5889b256d4e390e712a0cfa2f154db2600cce722d118b5e
AgentTesla
db44e1da719b971f2fb5919d535170aab2779e13ab8db9e04e054c6efd4dff65
AgentTesla
e44909d74d74294240a22cf582583e73e11ed097d32a32470ad5a354ba1b2dc6
AgentTesla
e99c7823014dff669b4d6a384acf9cd230acda7449a111f376084a39adf4fa84
AgentTesla
+ 5'764 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/230928-hpsdeaaa32/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
6b6f0d0008346e351a105a7839d85b9aaae5b3c957c28618dcbc347c5c9db77f
MD5 hash:
fc82262057015206c59954e04996f8ac
SHA1 hash:
8650746ca799d0bc8020a5383b03b3d747ee889b
Link:
https://www.unpac.me/results/d99e4671-159b-456e-b2e3-bf89d47719f9/
SH256 hash:
77d0a15aa311d024d9bc81854b8f0125e22b03e3310d09efe9c69f86300b48c1
MD5 hash:
7325134f63db58cb2d63f66ff88a7a0e
SHA1 hash:
8466563fd947299f1fbd9947898ad0657021ae51
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/d99e4671-159b-456e-b2e3-bf89d47719f9/
Parent samples :
83748a5ac66d6a53d6c71eafa0bc7da28546bb58b60fd27bedd158730844a6dc
7576e8a511b554c10cbb9af84a0e764f2c22e05bbeb04747ffc773aa39e0590d
674a748111a6ce0179d7282aec3a9b3da359f024c4206f61876a78261e65c19d
91a10a6ddbdd84c582c2cd618a659bee55d9da5f6b8a4b94241069958a710951
SH256 hash:
7a867e931f8de44358573166d6a75e8b538f84fccc4e68683bb42f95b9c05053
MD5 hash:
a3ebd39c31008d17925bfbf0e515aa7a
SHA1 hash:
2f354b102e41d21c1e407551a5c92057b9cab2c2
Link:
https://www.unpac.me/results/d99e4671-159b-456e-b2e3-bf89d47719f9/
SH256 hash:
91a10a6ddbdd84c582c2cd618a659bee55d9da5f6b8a4b94241069958a710951
MD5 hash:
2fe5d36f267da6b072f024fc1436eb2d
SHA1 hash:
b801d35b137a16645692b86faeaa8ca39c9eda5d
Link:
https://www.unpac.me/results/d99e4671-159b-456e-b2e3-bf89d47719f9/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/91a10a6ddbdd/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/91a10a6ddbdd84c582c2cd618a659bee55d9da5f6b8a4b94241069958a710951

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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

rar 34cffd24e946d378c67d1c3b80d99434de4ea9ab98c55044ba641229594dd66a

AgentTesla

Executable exe 91a10a6ddbdd84c582c2cd618a659bee55d9da5f6b8a4b94241069958a710951

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 34cffd24e946d378c67d1c3b80d99434de4ea9ab98c55044ba641229594dd66a
Cape
Cape
https://www.capesandbox.com/analysis/451729/
  
Dropped by
SHA256 ced98dc09fa08964abefbfd411c7a6375e958c8988290c22975f07b1c3c06af0
  
Dropped by
MD5 305091e270364db22e6e93f5e0e1b8a9
  
Dropped by
MD5 cbd8c48d06fcd7b2b0f7dadb5798ef4d

Comments