MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57b7d138364e73bd3a7569d66edde728f9827be45f04d78b3213f7027083d985. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57b7d138364e73bd3a7569d66edde728f9827be45f04d78b3213f7027083d985
SHA3-384 hash: 74bd24a3990570444ee1fccc93d4ef26498c33b0965fa8ee2a12cf0075feb3535c48796b121996839e4c05a4e7abf3ad
SHA1 hash: 0d883ebcc08ec7179cb2b917ac09f14caca705d5
MD5 hash: 01d21bff73fd85eb53e98bbac6acc1e4
humanhash: salami-mirror-twenty-lithium
File name:TT Swift Copy..,.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:574'464 bytes
First seen:2020-11-24 06:37:22 UTC
Last seen:2020-11-24 06:39:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:E4qyoPC7VeNb/mlqxuvoUIweR+5chzy1BgL3mu3t8LF:EfyF7VeNbKqrRcDzgL3d98
Threatray 10'783 similar samples on MalwareBazaar
TLSH 7BC412320587BF96E7AD0DB6E08136482EF56E47EA30EB1C7E9C019A31A6B4DCD50D35
Reporter cocaman
Tags:AgentTesla exe SWIFT

Intelligence

File Origin
# of uploads :
2
# of downloads :
157
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Result
Gathering data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/545738
Signature
.NET source code contains potential unpacker
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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)
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 steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/57b7d138364e73bd3a7569d66edde728f9827be45f04d78b3213f7027083d985/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-11-23 07:49:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=k635cobwjzz32otvnhlg5xphfd4ye67el4cnpczscp3qe4ed3gcq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
03035f39055dc379e10a3f7a79092877c022272c9fb14116c44bd9d3ed637655
AgentTesla
0ca8c0c5ebf25e694725d965acf1d3db4a299c633fd895ea6f2dab80082d7337
AgentTesla
16dcfdc5058dc23b3bca6986d18dd6119ddb0d13b982dd5b7a83b957e3c5da7d
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3333a191bc36b4a7a76e51c0b7b83c5d2b7d253f074789c2302ec598c30711b3
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4ba3daeca73f3cde751424f8ec9972e274e0ffe915ce7c58eac0bf4d278920b1
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532051adf5893bf586b56210af5c7f3c4e8f72cfecf8ef52687f34e1fea17ab3
AgentTesla
9405885336e177508e9e2790e23bb7e8f11a070e3c7262bf70f4da6beb598c75
AgentTesla
aa556dde1f62e5e897bf5db6980f8202febe626f2e9840190f1f2695eec3c065
AgentTesla
d9f4c10febc99ea723d7f3f13d92be6bd54fc18eab233e5b28c5bcff0f3c1e1e
AgentTesla
da505ce244393d643b3e6aec90db41401a9685c56bec2e5eb0c5117b33e66eb1
AgentTesla
+ 10'773 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/201124-vwvzsztfpn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
57b7d138364e73bd3a7569d66edde728f9827be45f04d78b3213f7027083d985
MD5 hash:
01d21bff73fd85eb53e98bbac6acc1e4
SHA1 hash:
0d883ebcc08ec7179cb2b917ac09f14caca705d5
Link:
https://www.unpac.me/results/c1746386-d2fc-4444-a287-d2bad9d49813/
SH256 hash:
cb951f1d2b5460456aad0d89cef1216d9be5e51784d11a92447d43e96177bd5e
MD5 hash:
8cd5d2014866f4ef60802ff1826998a6
SHA1 hash:
8ff75946905d0b117080cc5a07e6e0bbea4e9bbd
Link:
https://www.unpac.me/results/c1746386-d2fc-4444-a287-d2bad9d49813/
SH256 hash:
ed59b3fc26de2b31e908f025c23d01eb8ed9834b2bdd740745e1dc0737e443b9
MD5 hash:
d67f7450a64932b410ed9cb2e02b52cc
SHA1 hash:
a4d7f12bd7f03b55b5c05ee1794e566b8521baaa
Detections:
win_agent_tesla_w1
Create hunting rule
Link:
https://www.unpac.me/results/c1746386-d2fc-4444-a287-d2bad9d49813/
Parent samples :
765622475f6dbfe564a2c84b050b1993aa0168fb2ca34d67e4c7fb641b302678
1dbc1c2ea41a79c3046b9f0796248ba48db207c93fb7c1521e81763671298144
6d73b61228e78c8e44db200696182dd1287981e0b433ad534fec23ae19eff146
532051adf5893bf586b56210af5c7f3c4e8f72cfecf8ef52687f34e1fea17ab3
da505ce244393d643b3e6aec90db41401a9685c56bec2e5eb0c5117b33e66eb1
57b7d138364e73bd3a7569d66edde728f9827be45f04d78b3213f7027083d985
SH256 hash:
dc7c810456681c8d93b4f4527dbb4e04ea0dd515bfd0fb467182a2e957af634f
MD5 hash:
2d074bfbeab2c22f75ac0f856d3c9182
SHA1 hash:
d9c8ae27b47208bb7c1a7e09355439a80c9d985a
Link:
https://www.unpac.me/results/c1746386-d2fc-4444-a287-d2bad9d49813/
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/57b7d138364e73bd3a7569d66edde728f9827be45f04d78b3213f7027083d985

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_extracted_bin
Create hunting rule
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Create hunting rule
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:agent_tesla_2019
Create hunting rule
Author:jeFF0Falltrades
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_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla
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

AgentTesla

rar f7480062bd74d793b73be79c3bfdd3032f108cc42d4ccc4f7992d0ddf51ee6b0

AgentTesla

Executable exe 57b7d138364e73bd3a7569d66edde728f9827be45f04d78b3213f7027083d985

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 f7480062bd74d793b73be79c3bfdd3032f108cc42d4ccc4f7992d0ddf51ee6b0
  
Dropped by
SHA256 dc672e1b7621ec8ea9c4a943fe2c8119aaea850190bb75685387ab2d5669a281

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