MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b134e7c308ccf75e2917ccbb97f5ae74ced91398bf35c9a477e5b41d58468f5f. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b134e7c308ccf75e2917ccbb97f5ae74ced91398bf35c9a477e5b41d58468f5f
SHA3-384 hash: 3192363e21e82f2944c99f46b4ec57da3881fd020fb30ed3bf15d8e21d4f8418b4c39e341680974133b67aa3c7da61ae
SHA1 hash: 132ebfd39688224a166983e831d4434a88f0fb68
MD5 hash: a26d93bb36e59cc3dcaddc052bdf9667
humanhash: social-washington-lithium-william
File name:EST P.D JKT.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:977'408 bytes
First seen:2021-09-08 05:46:41 UTC
Last seen:2021-09-08 09:51:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:C0ZF84DtPASSVdYiO5GpS4u6C5oWpf0y3k0Vb/AElj8iDxLBYR1p2Z3+Xf6Mei0h:CtblhBc5HS/f0Xl4uRNmtTbBitZaF4d
Threatray 9'652 similar samples on MalwareBazaar
TLSH T17B25D03DAD162633AFA9B27CD4D6194EE79410EB23718DE9D5E2B38C2007917B2D631C
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
EST P.D JKT.exe
Verdict:
Malicious activity
Analysis date:
2021-09-08 05:50:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/296159d2-dc5d-4bdc-b67d-617536ece57f

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/186165/
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
Unauthorized injection to a recently created process
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
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b5084230-2c64-4e71-9ac6-641ff61d5e08
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/847067
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 479496 Sample: EST P.D JKT.exe Startdate: 08/09/2021 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 10 other signatures 2->53 7 EST P.D JKT.exe 6 2->7         started        11 tKZVPq.exe 5 2->11         started        13 tKZVPq.exe 2 2->13         started        process3 file4 31 C:\Users\user\AppData\Roaming\XTVrnrsyU.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp4C1F.tmp, XML 7->33 dropped 35 C:\Users\user\AppData\...ST P.D JKT.exe.log, ASCII 7->35 dropped 55 Injects a PE file into a foreign processes 7->55 15 EST P.D JKT.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        57 Multi AV Scanner detection for dropped file 11->57 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->59 61 Machine Learning detection for dropped file 11->61 63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->63 21 schtasks.exe 1 11->21         started        23 tKZVPq.exe 2 11->23         started        25 tKZVPq.exe 11->25         started        signatures5 process6 file7 37 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->37 dropped 39 C:\Windows\System32\drivers\etc\hosts, ASCII 15->39 dropped 41 C:\Users\user\...\tKZVPq.exe:Zone.Identifier, ASCII 15->41 dropped 43 Modifies the hosts file 15->43 45 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->45 27 conhost.exe 19->27         started        29 conhost.exe 21->29         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b134e7c308ccf75e2917ccbb97f5ae74ced91398bf35c9a477e5b41d58468f5f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-08 05:20:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
11 of 45 (24.44%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=we2opqyizt3v4kixzs5zp5noothnse4yx424tjdx4w2b2wcgr5pq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
163ef298631297419211b54d77f7d354fb39f96b04d1ae951e085ceb80b5db4d
AgentTesla
25922d6822859829e6d25812e8a420ee71953e096161d19849862cd0db1de535
AgentTesla
49429d85a78cc14195f70b6263e813424b83312af0cc8a5ebb4cd52ffa98e19a
AgentTesla
5a2ce470fbe1babd44df83899f5909e3dcd031bc95de5a748f473f288084de7a
AgentTesla
5e217b05cea5bdca46a0ce7a304f151fded34ab21b897b1374edc882b8300c5e
AgentTesla
b1f7ca6e53ff7dd757a49539f5e5c18bfeabbe24b06270ce08df45f1c2efffff
AgentTesla
e038617a4e24d10d131f995a6491407f85597a82b3b01f6d565b32efa1193666
AgentTesla
eb12f5ac4c8669a097af19e970c05103b43e542a4ad162401c68acef25ff8b5c
AgentTesla
+ 9'642 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/210908-ggwkeshafn/
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
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:
ae795a5f180fa6f99794fcf38e0f4db80521d6af2309f8ee47ede5b891928e5a
MD5 hash:
01abfece36c56cafc3f11da7ed8c32fd
SHA1 hash:
aa36da9bc6ca65f53b8a2b995bb83beef418acd5
Link:
https://www.unpac.me/results/d5fc25ab-fd83-4aca-8fd8-33ea795caad6/
SH256 hash:
1ea5aca3845a6b05016c2e5cbff1969fcd1c92f133efda39d1b99c572cfcef6c
MD5 hash:
f16ddbfcd9751f44c0d599cf339cf08e
SHA1 hash:
99af79c4b697495207a4287c004b08f4e506d8ed
Link:
https://www.unpac.me/results/d5fc25ab-fd83-4aca-8fd8-33ea795caad6/
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
Link:
https://www.unpac.me/results/d5fc25ab-fd83-4aca-8fd8-33ea795caad6/
SH256 hash:
b134e7c308ccf75e2917ccbb97f5ae74ced91398bf35c9a477e5b41d58468f5f
MD5 hash:
a26d93bb36e59cc3dcaddc052bdf9667
SHA1 hash:
132ebfd39688224a166983e831d4434a88f0fb68
Link:
https://www.unpac.me/results/d5fc25ab-fd83-4aca-8fd8-33ea795caad6/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b134e7c308cc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/b134e7c308ccf75e2917ccbb97f5ae74ced91398bf35c9a477e5b41d58468f5f

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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
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

rar 58a7da616791cd0b8dc58bbedc3dde4297d814bcfc5568c4856a3588437c5860

AgentTesla

Executable exe b134e7c308ccf75e2917ccbb97f5ae74ced91398bf35c9a477e5b41d58468f5f

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 58a7da616791cd0b8dc58bbedc3dde4297d814bcfc5568c4856a3588437c5860
Cape
Cape
https://www.capesandbox.com/analysis/186165/

Comments