MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4727fdf3bd0f0672ff3d689ca9376e0ce682a286556d7bace16be4b9cfb8b33. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d4727fdf3bd0f0672ff3d689ca9376e0ce682a286556d7bace16be4b9cfb8b33
SHA3-384 hash: c8d02bba46cc1efa83f3a02a02acec76757df2d94dfac0cd0056c1b3a2bc2d82648ba3200ff20950292d1a3707f9a30c
SHA1 hash: bd371a79dfc4b5394cdc56aad1bafe0b15a3a4e6
MD5 hash: b461a52c7404f78eb0f7d43a351aa2da
humanhash: lion-four-wyoming-west
File name:SKM_B3350191107102300.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:412'672 bytes
First seen:2021-11-10 15:08:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:AJEu1oTIvriRdErCqmgtNeq6k9ClGFeuV5:Aqu1yKrTrCqxerY6GFDT
Threatray 12'599 similar samples on MalwareBazaar
TLSH T11794011525A4471AC4E87BF851F1608057B52E932070C39AAEF87DDEAD72353CEC2A6F
File icon (PE):PE icon
dhash icon 174f4559191b1b13 (81 x AgentTesla, 68 x Formbook, 34 x SnakeKeylogger)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/204762/
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/618be090175442ca93aad035/reports/8acff45c-edbb-42aa-a73a-3a54d9415adf/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4432f98b-b855-49eb-893e-fe27af4e257b
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/886829
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Modifies the hosts file
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: 519305 Sample: SKM_B3350191107102300.exe Startdate: 10/11/2021 Architecture: WINDOWS Score: 100 46 mail.mus.com.pk 2->46 48 x1.i.lencr.org 2->48 54 Found malware configuration 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->58 60 8 other signatures 2->60 8 SKM_B3350191107102300.exe 7 2->8         started        12 NXLun.exe 4 2->12         started        14 NXLun.exe 3 2->14         started        signatures3 process4 file5 40 C:\Users\user\AppData\...\vtuatpNjwq.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\Temp\tmpD1D.tmp, XML 8->42 dropped 44 C:\Users\...\SKM_B3350191107102300.exe.log, ASCII 8->44 dropped 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->62 64 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->64 66 Uses schtasks.exe or at.exe to add and modify task schedules 8->66 68 Adds a directory exclusion to Windows Defender 8->68 16 SKM_B3350191107102300.exe 2 5 8->16         started        20 powershell.exe 24 8->20         started        22 schtasks.exe 1 8->22         started        70 Multi AV Scanner detection for dropped file 12->70 72 Injects a PE file into a foreign processes 12->72 24 schtasks.exe 12->24         started        26 NXLun.exe 12->26         started        signatures6 process7 file8 34 C:\Users\user\AppData\Roaming\...34XLun.exe, PE32 16->34 dropped 36 C:\Windows\System32\drivers\etc\hosts, ASCII 16->36 dropped 38 C:\Users\user\...38XLun.exe:Zone.Identifier, ASCII 16->38 dropped 50 Modifies the hosts file 16->50 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->52 28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d4727fdf3bd0f0672ff3d689ca9376e0ce682a286556d7bace16be4b9cfb8b33/
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2021-11-10 15:08:21 UTC
AV detection:
14 of 44 (31.82%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2rzh7xz32dygol7t22e4ve3w4dhgqkrimvlnpowoc27exhh3rmzq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
09aee6abb9346613d79d14df006bde49924dfe308ca268e349ad134db2d0afa9
AgentTesla
231a59ef13ab58b2ca74ac6a680d5bca3a01dac79a9b27827a75a04c1e18a981
AgentTesla
60ea5d831209598cc0aebbd8d5f31f4bb43c29b054f565bbbcb5353b9c7ad06d
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81d4a8f888a6d81d95c4bd6f0a727f335f5064b445203acf298405baf6fecc29
AgentTesla
8ffd510513cafe4d5b4812ef693f06dcff7dc4097cccacd1be4ca0d308f3494d
AgentTesla
a13358dc68fa269593c748326b56c608532c665b023915758bdec940aacc89ec
AgentTesla
b019e8d729a835b9834889650eb87183538da0a1ff600e138db6065efea24a57
AgentTesla
f0d328b8d12d32d2bc29faac2f18c30b74a2e99053113fe7e9d8068408e46299
AgentTesla
f97b20de4d8f123a11901c5dee2121c2c5b6f6d6baea3cb26404c53f5f681822
AgentTesla
+ 12'589 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/211110-sjfsjaedgr/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
50b87a1d335012b25ecd2964c77aaef51ed1f0a8a9328bb2a2ecf7b05b2fa5be
MD5 hash:
713ea8f4d57f3b23c1b134918854dbc9
SHA1 hash:
c52e6f78d2e2c1f002eef72812005769a80a101c
Link:
https://www.unpac.me/results/22cf2ed9-5ac0-45ef-8ad6-b81e2e9b547d/
SH256 hash:
29c1f5c47a4de341754532fb08c047768bc84137959fa58c10b3550703bbd42b
MD5 hash:
09f049763a84b5e723d0112145146890
SHA1 hash:
b59810b480962bdc68dc320aa4d8a6088f842f86
Link:
https://www.unpac.me/results/22cf2ed9-5ac0-45ef-8ad6-b81e2e9b547d/
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
Link:
https://www.unpac.me/results/22cf2ed9-5ac0-45ef-8ad6-b81e2e9b547d/
SH256 hash:
d4727fdf3bd0f0672ff3d689ca9376e0ce682a286556d7bace16be4b9cfb8b33
MD5 hash:
b461a52c7404f78eb0f7d43a351aa2da
SHA1 hash:
bd371a79dfc4b5394cdc56aad1bafe0b15a3a4e6
Link:
https://www.unpac.me/results/22cf2ed9-5ac0-45ef-8ad6-b81e2e9b547d/
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/d4727fdf3bd0f0672ff3d689ca9376e0ce682a286556d7bace16be4b9cfb8b33

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/204762/

Comments