MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a20d6f1b2ff848088c1a588170ad1a1d726af6bb6a929c31ddf4cfc0e9e76a5f. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a20d6f1b2ff848088c1a588170ad1a1d726af6bb6a929c31ddf4cfc0e9e76a5f
SHA3-384 hash: 68c04791635c37623a0212f1772127d4ac61cda7e8189d26cf70938c815d8ef231edba567e6c02bb59823cad6abd2391
SHA1 hash: e13ce926ba589227a0ea0699be6e05b8eb466245
MD5 hash: a456262a3687a2e321a9c3405a60746b
humanhash: four-muppet-ack-butter
File name:PO CPWPKL-1901088.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:398'336 bytes
First seen:2021-10-14 12:34:04 UTC
Last seen:2021-10-15 07:44:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:sY/vGFNpOyMHBhqS4tP6qRlxq1EHHDR9LSB:7/uF33u3qSC5tjnuB
Threatray 11'800 similar samples on MalwareBazaar
TLSH T13A841222B328C434C1EA8737D4EF8A5023BDBA45A953CB0E3CCDB7641D223DD556D69A
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
5
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO CPWPKL-1901088.exe
Verdict:
Suspicious activity
Analysis date:
2021-10-14 21:10:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e44ba94b-c1bb-41e7-80bd-93665e292526

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/197554/
Detection(s):
SecuriteInfo.com.Variant.Fonctuzim.1.32727.9733.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/616823c59fb4d8593d64cffe/reports/209a4adc-580c-44a3-b7f9-791925374435/overview
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/eabef057-8676-489d-b2aa-e34050ed4c2c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/870454
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Modifies the hosts 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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 502888 Sample: PO CPWPKL-1901088.exe Startdate: 14/10/2021 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected AgentTesla 2->36 38 4 other signatures 2->38 6 PO CPWPKL-1901088.exe 3 2->6         started        9 NXLun.exe 2 2->9         started        11 NXLun.exe 1 2->11         started        process3 file4 24 C:\Users\user\...\PO CPWPKL-1901088.exe.log, ASCII 6->24 dropped 13 RegSvcs.exe 2 4 6->13         started        18 RegSvcs.exe 6->18         started        20 conhost.exe 9->20         started        22 conhost.exe 11->22         started        process5 dnsIp6 30 sg2plcpnl0023.prod.sin2.secureserver.net 182.50.132.92, 49832, 587 AS-26496-GO-DADDY-COM-LLCUS Singapore 13->30 26 C:\Users\user\AppData\Roaming\...26XLun.exe, PE32 13->26 dropped 28 C:\Windows\System32\drivers\etc\hosts, ASCII 13->28 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->40 42 Tries to steal Mail credentials (via file access) 13->42 44 Tries to harvest and steal ftp login credentials 13->44 50 3 other signatures 13->50 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->46 48 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 18->48 file7 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a20d6f1b2ff848088c1a588170ad1a1d726af6bb6a929c31ddf4cfc0e9e76a5f/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uigw6gzp7bearda2lcaxbli2dvzgv5v3nkjjymo56th4b2phnjpq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0b66c77b36e765f63a2e3b4ce5e17ab7ff02001739288b4a6ee17732c183b90f
AgentTesla
7d9a0b271b7d8bbb781fd3fadea2002fe1a74669d841ef4379f57f7ac8b5dcf9
AgentTesla
81c6ab8a5c8ea969d37b9b55d052cf8b352109f1d7e85e1115570f54e542b7c2
AgentTesla
a76ac31b5f300abf857e49e2de2680d265be0c9c5b891358d5aa4fe849f3713d
AgentTesla
d504a9984da543a8ea1904d55aee911590b2635ea6da7e88d118acbf9aff2e79
AgentTesla
dbf947a367cfe28cc7e5e33af9d8aa7fe3166d74d787200b1bcce777ac65efcf
AgentTesla
f4f5e820b5256651b441c484c16a5b1155a679e1fc4182f2e5aa086866a8fc18
AgentTesla
f519a7adeec97db32f536e9868c000842db13a165080a6f85a6d990c8e45dfb6
AgentTesla
+ 11'790 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/211014-prswaaacdp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
750e0931921e06446f40e5d23df0757a4681507202fdc386181f281ff6065788
MD5 hash:
4314d96f13c0c66bfed45677c0d8e0ce
SHA1 hash:
776c2b4058c90bc7535f317d9c5f24b4d89b1fde
Link:
https://www.unpac.me/results/b97093cb-5d8b-4cc5-94f3-0849906c9453/
SH256 hash:
2449165190b108bb5f53a0a08e2ff3508e8dd9de1f2afce602cb2b6d089b8520
MD5 hash:
ada4094b51a8aa9a8cf38950f3966c4f
SHA1 hash:
16a45b7b36769e450cd04c7185aa1db86795951d
Link:
https://www.unpac.me/results/b97093cb-5d8b-4cc5-94f3-0849906c9453/
SH256 hash:
eda4d687b865aed0078ab87078de7d9722888b2d2af71c6fc0dcdc986ffb7567
MD5 hash:
12cf5402be16590c300b442a66e9ebc1
SHA1 hash:
0ea28394d301ca1ce840f039d2da62a5ce6d9334
Link:
https://www.unpac.me/results/b97093cb-5d8b-4cc5-94f3-0849906c9453/
SH256 hash:
a20d6f1b2ff848088c1a588170ad1a1d726af6bb6a929c31ddf4cfc0e9e76a5f
MD5 hash:
a456262a3687a2e321a9c3405a60746b
SHA1 hash:
e13ce926ba589227a0ea0699be6e05b8eb466245
Link:
https://www.unpac.me/results/b97093cb-5d8b-4cc5-94f3-0849906c9453/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a20d6f1b2ff8/report/overview.html
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/a20d6f1b2ff848088c1a588170ad1a1d726af6bb6a929c31ddf4cfc0e9e76a5f

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

Executable exe a20d6f1b2ff848088c1a588170ad1a1d726af6bb6a929c31ddf4cfc0e9e76a5f

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/197554/

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