MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1c0a97dbf59e7b5578f703654091cf58464f429609a04e8b4782b365776033c. 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: 12


Intelligence 12 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1c0a97dbf59e7b5578f703654091cf58464f429609a04e8b4782b365776033c
SHA3-384 hash: 2bc75f912dc2fa3df64d613930b7e89df4d7fb600169212eb667a516b3f6e70a29ec23bd55a24cba7931cbd834cdea72
SHA1 hash: 4a6c353fb910c461521bd2f1cf591265fe03eb99
MD5 hash: cef62e7096af27594e0ff8ac5b7f97c9
humanhash: idaho-colorado-comet-south
File name:5K6Er5YprhCjxeK.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:752'128 bytes
First seen:2021-09-07 13:36:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Oph9Jw7IfVRKCsRZ0j9IYa0nyzsUSzPjL6:Q9s/XW/1yHGP6
Threatray 9'613 similar samples on MalwareBazaar
TLSH T13DF4FC3E58FE2327D166C6F5CBE58823B5809CAF3132A92457D777265336A4634C322E
dhash icon d4c4c4d8ccd4f0c4 (63 x Formbook, 23 x AgentTesla, 8 x RemcosRAT)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5K6Er5YprhCjxeK.exe
Verdict:
Malicious activity
Analysis date:
2021-09-07 13:38:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d3ed383c-9c44-4420-8408-ce1b70c09231

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/186048/
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
Deleting a recently created file
Unauthorized injection to a recently created process
Launching a process
Creating a process with a hidden window
Creating a file
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1e89e334-4be6-4014-8f1c-26abfe3bf093
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/846642
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
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)
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: 479088 Sample: 5K6Er5YprhCjxeK.exe Startdate: 07/09/2021 Architecture: WINDOWS Score: 100 27 Found malware configuration 2->27 29 Multi AV Scanner detection for dropped file 2->29 31 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->31 33 7 other signatures 2->33 7 5K6Er5YprhCjxeK.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\uTjNgSUnQZqIz.exe, PE32 7->19 dropped 21 C:\Users\user\AppData\Local\...\tmpAEB4.tmp, XML 7->21 dropped 23 C:\Users\user\...\5K6Er5YprhCjxeK.exe.log, ASCII 7->23 dropped 35 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->35 37 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->37 39 Uses schtasks.exe or at.exe to add and modify task schedules 7->39 41 2 other signatures 7->41 11 5K6Er5YprhCjxeK.exe 15 4 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 25 ftp.totallyanonymous.com 109.106.250.131, 21, 49755 NETNET-ASRS Serbia 11->25 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c1c0a97dbf59e7b5578f703654091cf58464f429609a04e8b4782b365776033c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-07 13:37:07 UTC
AV detection:
16 of 45 (35.56%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yhaks7n7lht3kv4poa3fici46wcgj5bjmcnaj2fupavtmv3wam6a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0063947555fada876477c4e186d19517a3894d56153477590b0d6367ec80fe2d
AgentTesla
6eea5979c54077c3ef28f0a9900fd8779a1aeee9456aec1978c9a56472046408
AgentTesla
8cdb536378c7a12bb65333b52664cb99cd74a8b14afbc1b74ae73111b8edfc57
AgentTesla
a1e74b7743cc21b76c0c0a4d29e020d12cf32e03b35d7425607940fe7aae3398
AgentTesla
b265897f9d97d7c1d2ee2533e216946dd241bff6644b38ba8928db6e1ddf1b63
AgentTesla
b87496adef518762cc306678879a6388e4dd08a86f1c7c55ac3ddedd65e19267
AgentTesla
be210663fa2f732768adccd12d26b56cc23740d433481f748ce7401c75f41e72
AgentTesla
e064cd70ae6467ad9c0342b4750cae4fb688c56b0d904ea4091aa074e174dcf0
AgentTesla
ead0f6ef88c149f4318129ed6e3ef5fb30bd2ab03afef3625ca08d1b2f6f180e
AgentTesla
+ 9'603 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210907-qws8aafhdp/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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:
c5de5047e9a4fefbefd2456872d5d798e607b830820eeb21250b13fd6d16fc68
MD5 hash:
9ff0c62db1d74bf6b20f6b327d4d82c0
SHA1 hash:
de04354cc6c79c200aa17e8448209c568b808821
Link:
https://www.unpac.me/results/711e3cd1-d702-4ba7-bdee-37f6e992995f/
SH256 hash:
964ecff7979ae98f1bdaf59e3a725c1836222341a6ad969ade0c29928a11733e
MD5 hash:
652af3d743455c632b7ab13d1b990fc8
SHA1 hash:
51fbf6fd3894463272cedd72e2c7f393326262e0
Link:
https://www.unpac.me/results/711e3cd1-d702-4ba7-bdee-37f6e992995f/
SH256 hash:
11ba3eabbd3be6451b1a124c156611af057eae0ed0cb19b4b4db59aa4005012c
MD5 hash:
5c76160abbdb338d8b9f31691d484ea8
SHA1 hash:
30d9bfccd1760d3b4916e0ac0865e71aecfa6ede
Link:
https://www.unpac.me/results/711e3cd1-d702-4ba7-bdee-37f6e992995f/
SH256 hash:
c1c0a97dbf59e7b5578f703654091cf58464f429609a04e8b4782b365776033c
MD5 hash:
cef62e7096af27594e0ff8ac5b7f97c9
SHA1 hash:
4a6c353fb910c461521bd2f1cf591265fe03eb99
Link:
https://www.unpac.me/results/711e3cd1-d702-4ba7-bdee-37f6e992995f/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/c1c0a97dbf59/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/c1c0a97dbf59e7b5578f703654091cf58464f429609a04e8b4782b365776033c

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:Embedded_PE
Create hunting rule
Rule name:Embedded_PE
Create hunting rule
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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

Executable exe c1c0a97dbf59e7b5578f703654091cf58464f429609a04e8b4782b365776033c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/186048/

Comments