MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a60e205d770ae41f763d3a35d2a97533f8a42ad2c12367efb0ad6abd1a80a1e. 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


NanoCore


Vendor detections: 9


Intelligence 9 IOCs YARA 3 File information Comments
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SHA256 hash: 5a60e205d770ae41f763d3a35d2a97533f8a42ad2c12367efb0ad6abd1a80a1e
SHA3-384 hash: de9a75f80172eb770831633a71ceb1e106368e1113c16adcac90f3909808d11407352df5e91bda88988e69eb6e032f0c
SHA1 hash: e6f2276c5aafbd39794e45af6944507760d44413
MD5 hash: f51dbec92713cc3efdcb012607b75fa6
humanhash: muppet-grey-connecticut-triple
File name:Purchase Order.exe
Download: download sample
Signature NanoCore
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File size:648'192 bytes
First seen:2020-08-17 05:20:26 UTC
Last seen:2020-08-17 13:31:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'636 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:YqQy5LcC8XEtYXwHZZT+FmiQbu/3tJoQSODD04DY:z1cCOgTPaQb8tiQSO/t
Threatray 10'589 similar samples on MalwareBazaar
TLSH 53D4D045CA39F466CB8F1FB0C685E7B912B87278EC92660E3DCC29BD521674D041B6E3
Reporter cocaman
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
4
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.43676885.5030.14075.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Enabling autorun
Result
Threat name:
AgentTesla
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/432461
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Creates an undocumented autostart registry key
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
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 268505 Sample: Purchase Order.exe Startdate: 17/08/2020 Architecture: WINDOWS Score: 92 40 Yara detected AgentTesla 2->40 42 .NET source code contains potential unpacker 2->42 44 .NET source code references suspicious native API functions 2->44 46 5 other signatures 2->46 7 Purchase Order.exe 7 2->7         started        process3 file4 34 C:\Users\user\AppData\Local\...\name.exe.lnk, MS 7->34 dropped 36 C:\Users\user\...\Purchase Order.exe.log, ASCII 7->36 dropped 38 C:\Users\user\AppData\Local\Temp\svhost.exe, PE32 7->38 dropped 50 Injects a PE file into a foreign processes 7->50 11 Purchase Order.exe 2 7->11         started        14 cmd.exe 1 7->14         started        16 cmd.exe 3 7->16         started        19 cmd.exe 1 7->19         started        signatures5 process6 file7 52 Tries to steal Mail credentials (via file access) 11->52 54 Tries to harvest and steal browser information (history, passwords, etc) 11->54 21 reg.exe 1 1 14->21         started        24 conhost.exe 14->24         started        30 C:\Users\user\AppData\Local\Temp\...\name.exe, PE32 16->30 dropped 26 conhost.exe 16->26         started        32 C:\Users\user\...\name.exe:Zone.Identifier, ASCII 19->32 dropped 28 conhost.exe 19->28         started        signatures8 process9 signatures10 48 Creates an undocumented autostart registry key 21->48
Detection:
agenttesla
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Link:
https://mwdb.cert.pl/sample/5a60e205d770ae41f763d3a35d2a97533f8a42ad2c12367efb0ad6abd1a80a1e/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
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Status:
Malicious
First seen:
2020-08-16 20:31:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
25 of 29 (86.21%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ljqoeboxocxed53d2orv2kuxkm7yuqvnfqjdm7x3bllkxunibipa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
127dfcf1e210fc37a26f34b49e552de670aa17e912c38b51f0a374df6d6b9389
NanoCore
209d60098db11bc58bb718087d3eda9440a1d443a373c87010f2a1fe3f7cba8a
NanoCore
22a18015eeed633d48b872a64a0ade3d63e68ee080416ed3acb615d72197ec33
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24a4ff1caedd0ba9221602b5ea22e6d14c5f8c15f8dfc30c109b0e8e3cd96132
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4fc3df504d06a3814ed4a4db7d03616a0862992e20fbcde244a29ee84c69499e
NanoCore
7aea54e5a7af3c0486ca05606e29416b4bae058d6ca16e06afe2d57a9da90838
NanoCore
a2923551197772b1a9801410915c1d538f67cfaf50440f9096b17cc7a785cc72
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bc36d20a9c2283a9f9e01a995af6fde7824a0d18469983d0a6fb3899c6516b47
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dcbfc03cfe9523c25ab335f599cebcbbe8f2439ef7ab973aa9ec0330e4e7d11f
NanoCore
f242ad8f253e4e481529cffa7b3d697683649ba31b8c8500f2d24d2bf591e553
NanoCore
+ 10'579 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200817-19glttqxva/
Behaviour
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5a60e205d770ae41f763d3a35d2a97533f8a42ad2c12367efb0ad6abd1a80a1e

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:Agenttesla_type2
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Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

NanoCore

zip 062abe7e763d7eb2f9e973a33553a80b32a635ad4a89856442db33a19ee1d9b6

NanoCore

Executable exe 5a60e205d770ae41f763d3a35d2a97533f8a42ad2c12367efb0ad6abd1a80a1e

(this sample)

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/46591/
  
Dropped by
SHA256 062abe7e763d7eb2f9e973a33553a80b32a635ad4a89856442db33a19ee1d9b6

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