MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f822c6bef395de7b97eb1ccf69a2869431daeb520dce76c722c8a5071b4c2d30. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f822c6bef395de7b97eb1ccf69a2869431daeb520dce76c722c8a5071b4c2d30
SHA3-384 hash: 6d47aeb97745e8bd8f079068bc7925a7e2b5f69d0ac2d7c7b7ddcfec2c2c0c9f14b8956da661afc6439920e3df5977ef
SHA1 hash: a80419c0a08a19c026c37bcb3358af100ecab657
MD5 hash: c8fa537e0bfedf8c95d14e861ad22dbf
humanhash: idaho-lamp-cardinal-alanine
File name:NEW PO.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:656'384 bytes
First seen:2020-12-17 23:47:34 UTC
Last seen:2020-12-18 14:05:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ImS+YKgeTbGmX54C6czTQbz3rKpjS+acaMdhd56pfLDyiXZ+CFjgS3+EsR2xL:e+zB6+4UzTUk95aL+iXZ+lrR2x
Threatray 1'885 similar samples on MalwareBazaar
TLSH BBD4121137A85FA3EAFA47F16532105023B7796A6476E30E5DCA31DA0327F244A21F3B
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
5
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NEW PO.exe
Verdict:
Malicious activity
Analysis date:
2020-12-17 23:47:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1cf2089b-3871-4856-ae46-660d62f08914

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/108397/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.60864.7906.17995.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
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Gathering data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/565874
Signature
.NET source code contains very large array initializations
Binary contains a suspicious time stamp
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
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 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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 332023 Sample: NEW PO.exe Startdate: 18/12/2020 Architecture: WINDOWS Score: 100 72 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->72 74 Found malware configuration 2->74 76 Multi AV Scanner detection for dropped file 2->76 78 12 other signatures 2->78 7 NEW PO.exe 6 2->7         started        11 kprUEGC.exe 5 2->11         started        13 kprUEGC.exe 2->13         started        process3 file4 44 C:\Users\user\AppData\Roaming\ntpcXufj.exe, PE32 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmp6DC8.tmp, XML 7->46 dropped 48 C:\Users\user\AppData\...48EW PO.exe.log, ASCII 7->48 dropped 80 Injects a PE file into a foreign processes 7->80 15 NEW PO.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        82 Multi AV Scanner detection for dropped file 11->82 84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->84 86 Machine Learning detection for dropped file 11->86 88 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->88 22 kprUEGC.exe 2 11->22         started        24 schtasks.exe 1 11->24         started        26 kprUEGC.exe 11->26         started        28 kprUEGC.exe 13->28         started        30 schtasks.exe 13->30         started        signatures5 process6 dnsIp7 50 akhtargroup.com.bd 50.31.147.37, 49743, 49744, 49745 SERVERCENTRALUS United States 15->50 52 mail.akhtargroup.com.bd 15->52 38 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->38 dropped 40 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->40 dropped 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->58 60 Tries to steal Mail credentials (via file access) 15->60 62 Modifies the hosts file 15->62 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->64 32 conhost.exe 20->32         started        54 mail.akhtargroup.com.bd 22->54 34 conhost.exe 24->34         started        56 mail.akhtargroup.com.bd 28->56 42 C:\Windows\System32\drivers\etc\hosts, ASCII 28->42 dropped 66 Tries to harvest and steal ftp login credentials 28->66 68 Tries to harvest and steal browser information (history, passwords, etc) 28->68 70 Installs a global keyboard hook 28->70 36 conhost.exe 30->36         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f822c6bef395de7b97eb1ccf69a2869431daeb520dce76c722c8a5071b4c2d30/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-12-17 05:45:18 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7armnpxtsxphxf7ldthwtiugsqy5v22sbxhhnrzczcsqog2mfuya._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
090d89a937fd7d559781a19a60bbd2ffb50950b7f60925cb14834bb2d8e80993
AgentTesla
1d489bde326240c639875d1adbf09d0d3614cde9ac3a7561cff8d7fb297ee56c
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3683cace922eb770b74e1212f079751cffa7db8fd5f24f46ec06d710437a5652
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648c171a8c5826be80f742fb646028c13d834c125fbe0dd002c1d0175b8f5305
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a9af2bddccc4126a93f8b0a3413df57fd0f70d8829c8cba61c8aae21c07423f6
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b1db9b45aa4903a5d9086d759765f4cb76a23e601c7bfd8133d440cace108307
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b3169da25d6a50990a664203361eac74ab36b8f9412e46fd89e19f450993e307
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c4aab608e10b16dfd3bebdece470906af3b0595a50a5350eb7b65a6546dc1e36
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d174e57a97b4bccb71d49b9f9005940829c6ed542e3cc534cd13dd8568fb28f4
AgentTesla
d6815935b80fc0d39cceab37523c71add55b175d975fa0d42169894b551e27cd
AgentTesla
+ 1'875 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/201217-q7sy3ny5ta/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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
Unpacked files
SH256 hash:
f822c6bef395de7b97eb1ccf69a2869431daeb520dce76c722c8a5071b4c2d30
MD5 hash:
c8fa537e0bfedf8c95d14e861ad22dbf
SHA1 hash:
a80419c0a08a19c026c37bcb3358af100ecab657
Link:
https://www.unpac.me/results/30d2ee57-0779-4392-a782-c0891bca8c75/
SH256 hash:
e83cef9cfa4e2ea30e28843e43c60ebf8f6590fb753ad0aa5ed1123c01280527
MD5 hash:
bf99ee5fbf42797bd1ade95b109d634c
SHA1 hash:
e02abfdbca94a24a36b47d49a28360b79aabd294
Link:
https://www.unpac.me/results/30d2ee57-0779-4392-a782-c0891bca8c75/
SH256 hash:
c70b10e68a41d45054042b85beab975d67b11212edb79708fc83e7216b49a605
MD5 hash:
4f77fad3e89e64bbddc3e4d472bec305
SHA1 hash:
e6f6d2e6591e665045928dfd778182a359f81356
Link:
https://www.unpac.me/results/30d2ee57-0779-4392-a782-c0891bca8c75/
SH256 hash:
ed1e92da4ace1a993c0339fcfab330f00778322c925460714da74ffe3bb68d47
MD5 hash:
6875a39464fceb13c1c11d556d19c277
SHA1 hash:
e8467a9c14483fbb64154742a14f219e50a8522b
Link:
https://www.unpac.me/results/30d2ee57-0779-4392-a782-c0891bca8c75/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f822c6bef395de7b97eb1ccf69a2869431daeb520dce76c722c8a5071b4c2d30

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: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

zip a540f1d5da048603fb0d872b8cda8b0cf0cda17107c84a7143e8ae75b23156b6

AgentTesla

Executable exe f822c6bef395de7b97eb1ccf69a2869431daeb520dce76c722c8a5071b4c2d30

(this sample)

  
Dropped by
MD5 645c56d2c35324fed0b070062f871b03
  
Dropped by
SHA256 a540f1d5da048603fb0d872b8cda8b0cf0cda17107c84a7143e8ae75b23156b6
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/108397/

Comments