MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b37d7e65a1a9c80b48250420909587a96922ccb505b8dd7cc1e3d2ea19f2bb13. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b37d7e65a1a9c80b48250420909587a96922ccb505b8dd7cc1e3d2ea19f2bb13
SHA3-384 hash: da86d32345012b0440534cbbf4988e69a08adab0845855a6ecd6f9f954d0b78d5e818425ec9994bd51e65cca4bfc2b75
SHA1 hash: ef43d2e5b2b369abacdd06910d0b29c4c572b56c
MD5 hash: 46ae34402241459e4dd81c319a83b687
humanhash: california-illinois-cup-happy
File name:Swift Copy.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:501'248 bytes
First seen:2020-08-03 13:48:09 UTC
Last seen:2020-08-12 07:19:45 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 12288:4nzOg/hoNbQfal2MlsP2cLvJraMsTYETsbZS+p+8xaRkrUqzJ:kOgpTila2cLvxVmYEQZZp+82kzJ
Threatray 11'871 similar samples on MalwareBazaar
TLSH 3BB4011BF248961DCD6E8970C893D48CC6635C3F6940EB5AB8ED636E063D38534399AF
Reporter James_inthe_box
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
3
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/37882/
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/408022
Signature
.NET source code contains potential unpacker
Creates an undocumented autostart registry key
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: 256239 Sample: Swift Copy.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 80 39 Yara detected AgentTesla 2->39 41 .NET source code contains potential unpacker 2->41 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 2->43 45 3 other signatures 2->45 7 Swift Copy.exe 7 2->7         started        process3 file4 29 C:\Users\user\AppData\Local\...\name.exe.lnk, MS 7->29 dropped 31 C:\Users\user\AppData\...\Swift Copy.exe.log, ASCII 7->31 dropped 33 C:\Users\user\AppData\Local\Temp\svhost.exe, PE32 7->33 dropped 10 Swift Copy.exe 2 7->10         started        13 cmd.exe 1 7->13         started        15 cmd.exe 3 7->15         started        18 cmd.exe 1 7->18         started        process5 file6 49 Tries to steal Mail credentials (via file access) 10->49 51 Tries to harvest and steal browser information (history, passwords, etc) 10->51 20 reg.exe 1 1 13->20         started        23 conhost.exe 13->23         started        35 C:\Users\user\AppData\Local\Temp\...\name.exe, PE32 15->35 dropped 25 conhost.exe 15->25         started        37 C:\Users\user\...\name.exe:Zone.Identifier, ASCII 18->37 dropped 27 conhost.exe 18->27         started        signatures7 process8 signatures9 47 Creates an undocumented autostart registry key 20->47
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b37d7e65a1a9c80b48250420909587a96922ccb505b8dd7cc1e3d2ea19f2bb13/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 13:47:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
34 of 48 (70.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wn6x4znbvheawsbfaqqjbfmhvfusftfvaw4n27gb4pjougpsxmjq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2ba19512229643cd61752d22539d27ce750f84e2dcc155278d9c256cc629af29
NanoCore
4372af3cc2398f62f4737895b8d481e37441a22cf00bc3426546974c2636322b
NanoCore
5912943a6663ba8fe6c8a8d203d53dca13cd1fa5cc51a37b7eed8a658c4d7b05
NanoCore
61ce5023167c9a25d41656e8bd12b05769fac072fc6edf6024641ae2c77c8ece
NanoCore
7e31549cca55d573ddd7b5dbaee0371889e5b1b3bd5a56154e3ecd9a49ac75c7
NanoCore
b5168cc25cfcd2e305a680adc90e657dbaa81433f49d1cf10ded3e83062697ee
NanoCore
bc16cd2c29d60ad3a5e76a177360f68ca5962a3471d7d1ddc1edef59314130a7
NanoCore
c24b19343162f2b4af07548396a889ff6d6188f263f549677ca423cbd89d0107
NanoCore
ecaee87e2c04c3020500456fd645779646b60edd0d2481c54f67fa9e14c365f0
NanoCore
f221098769cefc882d32c42b6f7ee5e28aa699b92b6dec21136ebedb585e56b5
NanoCore
+ 11'861 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200803-dc4dm7pzan/
Behaviour
NTFS ADS
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Loads dropped DLL
Reads user/profile data of local email clients
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Quasar
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b37d7e65a1a9c80b48250420909587a96922ccb505b8dd7cc1e3d2ea19f2bb13

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
Create hunting rule
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/37882/

Comments