MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a87d451055feeae538e7a7a5d024fbbd01e9e0d7194b0c7285753b1cf5281cf. 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: 2a87d451055feeae538e7a7a5d024fbbd01e9e0d7194b0c7285753b1cf5281cf
SHA3-384 hash: 1e563e10668f6b244113d151575b5023b2b02b52d7c5c0ab8a7d370bc56f9f5c2e15e7f243ec24938ece9be46ff309c6
SHA1 hash: 31874003b10ba831be6193fc412d2c637a6804b7
MD5 hash: 7bd9fe78714431347ef3ea762afc0f59
humanhash: delta-lamp-south-foxtrot
File name:OCM1000371.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'148'928 bytes
First seen:2021-09-17 13:38:37 UTC
Last seen:2021-09-17 20:16:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:q5DIBrxhaqs9uAjGgXJd2dthOsTVcgRdrEAzvHG4z:uDIBmx9uAaaJAsshRdrEAbm4z
TLSH T19E352C38ED0A21B7EBAAD334E4BA150AA5F418BB33348D5EC592774D091770374DA3AD
dhash icon 54e49e9edcecf054 (3 x AgentTesla, 1 x SnakeKeylogger, 1 x RedLineStealer)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
OCM1000371.exe
Verdict:
Malicious activity
Analysis date:
2021-09-17 13:42:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5032d3e8-3244-4039-b85e-e793184dbb22

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/188714/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1026-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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 system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61752c789a5a1e91c5d207ca/reports/c5179d7e-dd4c-48ee-bf23-5659461655f0/overview
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bc7556c0-4e00-400b-9a7e-525eb1192a19
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/852754
Signature
.NET source code contains potential unpacker
.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
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 485186 Sample: OCM1000371.exe Startdate: 17/09/2021 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Multi AV Scanner detection for dropped file 2->49 51 6 other signatures 2->51 7 OCM1000371.exe 6 2->7         started        11 tKZVPq.exe 2 2->11         started        13 tKZVPq.exe 1 2->13         started        process3 file4 27 C:\Users\user\AppData\...\bCUbaTXNvVm.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmpAB95.tmp, XML 7->29 dropped 31 C:\Users\user\AppData\...\OCM1000371.exe.log, ASCII 7->31 dropped 53 Uses schtasks.exe or at.exe to add and modify task schedules 7->53 55 Writes to foreign memory regions 7->55 57 Injects a PE file into a foreign processes 7->57 15 RegSvcs.exe 2 4 7->15         started        19 schtasks.exe 1 7->19         started        21 conhost.exe 11->21         started        23 conhost.exe 13->23         started        signatures5 process6 file7 33 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->33 dropped 35 C:\Windows\System32\drivers\etc\hosts, ASCII 15->35 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->39 41 Modifies the hosts file 15->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->43 25 conhost.exe 19->25         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2a87d451055feeae538e7a7a5d024fbbd01e9e0d7194b0c7285753b1cf5281cf/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-17 10:40:38 UTC
AV detection:
24 of 45 (53.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fkd5iuifl7xk4u4opj5f2aspxpib5hqnogklbrzik5j3dt2sqhhq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210917-qxzrfsfgc8/
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:
0507d783effdaf5feb5c1f15d3ebea1d9933d7b7f7d37ce531fa91b95e28e725
MD5 hash:
35e929164924d01051feeeaa537b2890
SHA1 hash:
9d000a1a91475eaf3510be0ab08a667eac7ff5ec
Link:
https://www.unpac.me/results/440589e6-ca87-4bd2-ba69-8c152b1813cc/
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
Link:
https://www.unpac.me/results/440589e6-ca87-4bd2-ba69-8c152b1813cc/
SH256 hash:
de04d7b587d62132696179d21650becc5d24e33300aabf625d11a6a6ab5a59b7
MD5 hash:
46f60f68d7d5094650d6a86206da4110
SHA1 hash:
5ea549bb10be066885da343b8462b7549c0391c2
Link:
https://www.unpac.me/results/440589e6-ca87-4bd2-ba69-8c152b1813cc/
SH256 hash:
2a87d451055feeae538e7a7a5d024fbbd01e9e0d7194b0c7285753b1cf5281cf
MD5 hash:
7bd9fe78714431347ef3ea762afc0f59
SHA1 hash:
31874003b10ba831be6193fc412d2c637a6804b7
Link:
https://www.unpac.me/results/440589e6-ca87-4bd2-ba69-8c152b1813cc/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/2a87d451055f/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/2a87d451055feeae538e7a7a5d024fbbd01e9e0d7194b0c7285753b1cf5281cf

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.

Malspam

AgentTesla

zip cac13ceabc04fc40ab2089545329f27fb2fbce5afbb7fa1daf0c342c79dbc9f0

AgentTesla

Executable exe 2a87d451055feeae538e7a7a5d024fbbd01e9e0d7194b0c7285753b1cf5281cf

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 cac13ceabc04fc40ab2089545329f27fb2fbce5afbb7fa1daf0c342c79dbc9f0
Cape
Cape
https://www.capesandbox.com/analysis/188714/

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