MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 172bf83e65684b1b9312684aa6cc37ddb15003b93fd80571fe4f9a8289d96da0. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 172bf83e65684b1b9312684aa6cc37ddb15003b93fd80571fe4f9a8289d96da0
SHA3-384 hash: 267540598b68915e932925eef368691083d13809be99dd58450bc000327b145a150c5214c86b97e84277c8c656bfeef0
SHA1 hash: af227a6f1dca153b8f3c4e5e0b82e1fa4c7f846e
MD5 hash: d18a3e6e203af3176ad4d29968c1e1b6
humanhash: oregon-cat-six-don
File name:overdue_account.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:667'136 bytes
First seen:2021-03-05 13:04:44 UTC
Last seen:2021-03-10 01:08:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:MXh3zN1lABRMN3twykVqB5udUeZkAPkagGEgZfTMKEIUbTV4n9EcwSaHA3NQknqN:MXdNkB6N3qpqB5OlNkYrLM/vc/Q6NiN
Threatray 3'023 similar samples on MalwareBazaar
TLSH 56E4E1817A0C324BF17C19B91C46A6B41339BF1535ACD589308A73AF53B37EB852A53B
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
7
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
overdue_account.exe
Verdict:
Malicious activity
Analysis date:
2021-03-05 13:33:35 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/13cef336-e6b8-4b34-badb-9c9a1146ba44

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/122461/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Unauthorized injection to a system process
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.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/629865
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 363918 Sample: overdue_account.exe Startdate: 05/03/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Multi AV Scanner detection for dropped file 2->40 42 5 other signatures 2->42 7 overdue_account.exe 6 2->7         started        10 ppptOL.exe 2 2->10         started        12 ppptOL.exe 1 2->12         started        process3 file4 26 C:\Users\user\AppData\...\vuPgVqcnPISHBu.exe, PE32 7->26 dropped 28 C:\Users\user\AppData\Local\...\tmpE88B.tmp, XML 7->28 dropped 30 C:\Users\user\...\overdue_account.exe.log, ASCII 7->30 dropped 14 RegSvcs.exe 2 4 7->14         started        18 schtasks.exe 1 7->18         started        20 conhost.exe 10->20         started        22 conhost.exe 12->22         started        process5 file6 32 C:\Users\user\AppData\Roaming\...\ppptOL.exe, PE32 14->32 dropped 34 C:\Windows\System32\drivers\etc\hosts, ASCII 14->34 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->44 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->46 48 Tries to steal Mail credentials (via file access) 14->48 50 5 other signatures 14->50 24 conhost.exe 18->24         started        signatures7 process8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/172bf83e65684b1b9312684aa6cc37ddb15003b93fd80571fe4f9a8289d96da0/
Threat name:
ByteCode-MSIL.Trojan.Barys
Create hunting rule
Status:
Malicious
First seen:
2021-03-04 21:47:43 UTC
AV detection:
14 of 47 (29.79%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=c4v7qptfnbfrxeysnbfkntbx3wyvaa5zh7mak4p6j6nifcoznwqa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
181929c58e5ce4833a2847c9ff077dd87e8c0128793217d7e690311087ecc80a
AgentTesla
569d9358801eb518b152cb73009131508a3f14b136b0eb80025ccf438865a440
AgentTesla
72da1e5fdfc57c07501ab49085450aac225737f4eafd1a9a2a2d2ce46f615b19
AgentTesla
809815c63e37c07507539aa45956ac24b05ea3988866850fc565ad8616d2037a
AgentTesla
9785024470a4d46ec73337a43698c74387853bbe500c7d893eed47730da1ecd5
AgentTesla
a1071d7b923717b0ef2dbc6fa2549510f1a4921273828037753c27a77b2abfbe
AgentTesla
b9c82068f2880f34b3bf0dfb60d5c14c51d9317845cc58cb181a1e2639a960c4
AgentTesla
d62db8a909debd7ac39dca5850db5bf150756f27cc50417efc285a812b378b84
AgentTesla
dca80db9c7ade94a508600fcc3982e3f8ff292d464cf3041bae8cc1600f715a2
AgentTesla
e769369f1fd04a2fdb3976c69cbaaefee66cee1f54f523d7eab4712ce764f73f
AgentTesla
+ 3'013 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210305-mkvwxgwlsn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
f8b5b51efedb3e87493ac2439473564603cc3059d57956f209a7310e311a1027
MD5 hash:
d66f89bf838fb52ed59d311a99aea214
SHA1 hash:
342525c4aabbb92abf51459081d34ed0f1cdc965
Link:
https://www.unpac.me/results/65e91229-70f3-4d3e-8f36-3773ea5ba48c/
SH256 hash:
83670b069f736cb315e7a363894904cbf122ea49e7d188d63e93c8dd9993352f
MD5 hash:
da573d702806a63c2bbfdc030b0583a9
SHA1 hash:
1e46311c78f36bd368f3ece268405fe719ea22a6
Link:
https://www.unpac.me/results/65e91229-70f3-4d3e-8f36-3773ea5ba48c/
SH256 hash:
99d7822750fe2badda1b2fd318f92b247dc7ed236a9e2f13755fba75860ef24f
MD5 hash:
bc84fa22b8644e28687151087c40f505
SHA1 hash:
138ccc1d8464e5135ea858db28b1d4582583dec2
Link:
https://www.unpac.me/results/65e91229-70f3-4d3e-8f36-3773ea5ba48c/
SH256 hash:
172bf83e65684b1b9312684aa6cc37ddb15003b93fd80571fe4f9a8289d96da0
MD5 hash:
d18a3e6e203af3176ad4d29968c1e1b6
SHA1 hash:
af227a6f1dca153b8f3c4e5e0b82e1fa4c7f846e
Link:
https://www.unpac.me/results/65e91229-70f3-4d3e-8f36-3773ea5ba48c/
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/172bf83e65684b1b9312684aa6cc37ddb15003b93fd80571fe4f9a8289d96da0

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: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.

Malspam

AgentTesla

unknown 852bbb4f9a3b7d1b61a95dc7c329fc6d6974cb8cc9135382b3e748b25accb5e9

AgentTesla

Executable exe 172bf83e65684b1b9312684aa6cc37ddb15003b93fd80571fe4f9a8289d96da0

(this sample)

  
Dropped by
MD5 62ba3800d9ba11a57532dd666a80577f
  
Dropped by
SHA256 852bbb4f9a3b7d1b61a95dc7c329fc6d6974cb8cc9135382b3e748b25accb5e9
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/122461/

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