MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 657c69de502eb40844ebd953f665be2d7e1679b886a049ec6cdd246c3baf2360. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
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SHA256 hash: 657c69de502eb40844ebd953f665be2d7e1679b886a049ec6cdd246c3baf2360
SHA3-384 hash: 7c5ababd27a1a62131b9a4e4d0257c27c6dfe05ce9d7e583ab15ad359c3eb79fb43e764ca739909e5b926128afd42144
SHA1 hash: 02034f7e9c9d63ff0c689491d88800507947fac4
MD5 hash: 50854edd7d0b76d8934d27c093656f32
humanhash: juliet-charlie-colorado-cup
File name:PO No.48743310321-RCN.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:741'376 bytes
First seen:2021-08-09 14:23:38 UTC
Last seen:2021-08-09 14:58:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:2dLEYstm9C86PWvo123x6IJYy0gL/+mHmq1z8H0HK7zwv5iTuj83n8gyu1UOntEH:YwUx6dgTuzyYRFWOnpl3zuoUP7p
Threatray 8'101 similar samples on MalwareBazaar
TLSH T1CCF4E0212A989B55F07AA7B98470504207F6EC97E732DA8E7D9531DA1E33B818373B13
dhash icon f99924e3634948d0 (37 x AgentTesla, 12 x SnakeKeylogger, 7 x Formbook)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO No.48743310321-RCN.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-09 14:26:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/49e32bf5-97a3-41ee-903a-b322c45ed67b

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/177617/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.DMC.genEldorado.12440.2184.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Verdict:
UNKNOWN
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:
Generic Malware
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/af2dff9b-295d-4318-91f0-d58aaa2fd9cb
Result
Threat name:
AgentTesla
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/829709
Signature
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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: Suspicious Double Extension
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 AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 462145 Sample: PO No.48743310321-RCN.pdf.exe Startdate: 09/08/2021 Architecture: WINDOWS Score: 100 62 Multi AV Scanner detection for dropped file 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 Yara detected AgentTesla 2->66 68 10 other signatures 2->68 7 PO No.48743310321-RCN.pdf.exe 7 2->7         started        11 OBjSdZX.exe 5 2->11         started        13 OBjSdZX.exe 4 2->13         started        process3 file4 44 C:\Users\user\AppData\...behaviorgraphCgThaGvGC.exe, PE32 7->44 dropped 46 C:\Users\...behaviorgraphCgThaGvGC.exe:Zone.Identifier, ASCII 7->46 dropped 48 C:\Users\user\AppData\Local\...\tmpE862.tmp, XML 7->48 dropped 50 C:\...\PO No.48743310321-RCN.pdf.exe.log, ASCII 7->50 dropped 70 Injects a PE file into a foreign processes 7->70 15 PO No.48743310321-RCN.pdf.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        72 Multi AV Scanner detection for dropped file 11->72 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->74 76 Machine Learning detection for dropped file 11->76 78 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->78 22 schtasks.exe 11->22         started        24 OBjSdZX.exe 11->24         started        26 OBjSdZX.exe 11->26         started        32 2 other processes 11->32 28 schtasks.exe 13->28         started        30 OBjSdZX.exe 13->30         started        signatures5 process6 dnsIp7 52 us2.smtp.mailhostbox.com 208.91.199.224, 49766, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->52 40 C:\Users\user\AppData\Roaming\...\OBjSdZX.exe, PE32 15->40 dropped 42 C:\Users\user\...\OBjSdZX.exe:Zone.Identifier, ASCII 15->42 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->54 56 Tries to steal Mail credentials (via file access) 15->56 58 Tries to harvest and steal ftp login credentials 15->58 60 2 other signatures 15->60 34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 28->38         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/657c69de502eb40844ebd953f665be2d7e1679b886a049ec6cdd246c3baf2360/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-08-09 14:24:08 UTC
AV detection:
16 of 27 (59.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mv6gtxsqf22aqrhl3fj7mzn6fv7bm6nyq2qet3dm3usgyo5penqa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
25e011e57e7ef6ca2c972b6f32bfce6fc649e96d392c9dd430d7679085391b6f
AgentTesla
2e10233f14882e29da2131e7239cb850c3541e014ff77ce51a1a355f6a57e431
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5cf8e944ea54195e221343dec2bb3728c5faecc2b55be781b597503a7ae2fd39
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6f871f3642191d04e4fe20f022f738d89b3ad90b531cef6adde91d10f257431d
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74c2f8176fadf84bb04083901d52033b0975245676b45cd8607d80bebc91e570
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7fb4a26d9f2c3a08c69d7f5838b7f88d8c6f31ab2aa69b130b150449baaea7ad
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b045b7b993b005e1930ca50a9eb65df8b62ca29d1dfdbbb28ca6621384172908
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bd89f6e2794f0c383ca15b99c53a28d6b527be58ec713efcafff4f0db21959f9
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c08e280570de9dc368e7fa90a6da1f047c059e70bff357ef99e4b3fac88b4b54
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c21d2f1d2c5dad844ee2c789b2a424f0808e9eaf4edbf4319dca34531aacbe2c
AgentTesla
+ 8'091 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/210809-2h53e9c6mj/
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
a1422e8cba24f2f4b09aa5f1dd97ff604169eb2ae6f9d486a92aa27e73a80328
MD5 hash:
47436ad86664cd20c4bc03c64d83bc04
SHA1 hash:
c271262d438830bc50cbaef2c9a4f507ee36ec05
Link:
https://www.unpac.me/results/8419aa00-5d21-4b44-9f27-18e16d774512/
SH256 hash:
aec4699c3e8bd0679dff7f89810cfc3157ed13da4cb8ba087a42a1bd38f808be
MD5 hash:
f5eab7ad9242f6d28812b81219795218
SHA1 hash:
aca51dc95681cf5f90668f27d85906f2c569c998
Link:
https://www.unpac.me/results/8419aa00-5d21-4b44-9f27-18e16d774512/
SH256 hash:
ed0dd1e2260da7b03c8b80e0b45e8fef44be722c1e8c41e078c1a25ed0d18ecc
MD5 hash:
6057ce35bd926dd6d49dedfa9cc18372
SHA1 hash:
1f4e44e1740ffbd91129ac3a37d22845bc52c158
Link:
https://www.unpac.me/results/8419aa00-5d21-4b44-9f27-18e16d774512/
SH256 hash:
657c69de502eb40844ebd953f665be2d7e1679b886a049ec6cdd246c3baf2360
MD5 hash:
50854edd7d0b76d8934d27c093656f32
SHA1 hash:
02034f7e9c9d63ff0c689491d88800507947fac4
Link:
https://www.unpac.me/results/8419aa00-5d21-4b44-9f27-18e16d774512/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/657c69de502e/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/657c69de502eb40844ebd953f665be2d7e1679b886a049ec6cdd246c3baf2360

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
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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 657c69de502eb40844ebd953f665be2d7e1679b886a049ec6cdd246c3baf2360

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/177617/

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