MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 58a547fab1880fa4d1a2f784044f1c6bd8f0fc578e82bf1665e972dac74c9bbd. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 58a547fab1880fa4d1a2f784044f1c6bd8f0fc578e82bf1665e972dac74c9bbd
SHA3-384 hash: 9c5d9d7dbf2453ef8ca054c4016a836648b13dc704e55ac49e440005226e0c9b3c7155c3c82427290f3facda6c835d7c
SHA1 hash: 1531acb153fe6067fa988e7d6f3e4926dbda5c9a
MD5 hash: 7f0375c498d60fc614ffb319087d5128
humanhash: spring-eighteen-chicken-michigan
File name:SOA.rar.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:968'704 bytes
First seen:2021-06-08 09:56:51 UTC
Last seen:2021-06-10 05:29:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:0Fmud+8f+xb6lqlQG0CczarS0hk0qEZ0kfbEvWrT2G9qXkp/AecN9s29Uk5JReSd:3JVSpfJkovFnxeSAReBqH
Threatray 5'692 similar samples on MalwareBazaar
TLSH B825392439EA5029F173EF795BE4B4AADA6FBB333707641E10A1038A4723941DED153E
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
7
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA.rar.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-08 09:59:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/48ccaf3f-03b2-4c34-90dd-936abd1355f1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/165249/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.825.3862.32465.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Creating a window
DNS request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Changing the hosts file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/798673
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 431069 Sample: SOA.rar.exe Startdate: 08/06/2021 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 6 other signatures 2->45 6 SOA.rar.exe 3 2->6         started        10 kprUEGC.exe 3 2->10         started        12 kprUEGC.exe 2->12         started        process3 file4 21 C:\Users\user\AppData\...\SOA.rar.exe.log, ASCII 6->21 dropped 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->49 14 SOA.rar.exe 2 5 6->14         started        51 Multi AV Scanner detection for dropped file 10->51 53 Machine Learning detection for dropped file 10->53 19 kprUEGC.exe 2 10->19         started        signatures5 process6 dnsIp7 29 smtp.framafilms.com 185.220.245.14, 49758, 587 SEEWEBWebhostingcolocationandcloudservicesIT Switzerland 14->29 23 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 14->23 dropped 25 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 14->25 dropped 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->31 33 Tries to steal Mail credentials (via file access) 14->33 35 Tries to harvest and steal ftp login credentials 14->35 37 4 other signatures 14->37 27 C:\Windows\System32\drivers\etc\hosts, ASCII 19->27 dropped file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/58a547fab1880fa4d1a2f784044f1c6bd8f0fc578e82bf1665e972dac74c9bbd/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-08 04:52:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
12 of 47 (25.53%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lcsup6vrrah2junc66caity4npmpb7cxr2bl6ftf5fznvr2mto6q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
561216f97efc76eeb6600d7faf1e8942192bdb5b259998da4318882151c24dc3
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9bc27c28bbcda4a82940f28f070239600ede7afc78286e79f83fe3e1b4f80e1f
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a659c50e03822cd595bf5d21007b2870fda97b6d4a5d3840d68bf8f333cc47ea
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ebf9b72c2f7cf094032172e2f318cd41f385e4bb46cb123b3e3138561f8b20a3
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f37df491fc4f9865cd58b4ac28d115f4508d209cf30e937fb23179d18f16162b
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f5a7e9dce11100612c553e309ad9cf7134c2012e95139af9ed5eb03ba8ca7b34
AgentTesla
+ 5'682 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/210608-qr8m8h3xzn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/0009e6ac-4bcb-4ce6-b2a1-7168c70820c3/
SH256 hash:
29ed8a05596e936d5b0ae30d6d45dd541345193983df0373d173a6bb331309db
MD5 hash:
461b333fd28584a0cc2c06316622455b
SHA1 hash:
67a208d835fb5281d0ee0e80ae2439e893bf1797
Link:
https://www.unpac.me/results/0009e6ac-4bcb-4ce6-b2a1-7168c70820c3/
SH256 hash:
8f36c03085889278df1639109fa5fe1cbac362a4da88537ff7f8c847e92e62a3
MD5 hash:
a28cc1757e89d21a0bd65f7cf2babb59
SHA1 hash:
5bf4817b87a04c213afe9ab8ce14edbba4ea8513
Link:
https://www.unpac.me/results/0009e6ac-4bcb-4ce6-b2a1-7168c70820c3/
SH256 hash:
58a547fab1880fa4d1a2f784044f1c6bd8f0fc578e82bf1665e972dac74c9bbd
MD5 hash:
7f0375c498d60fc614ffb319087d5128
SHA1 hash:
1531acb153fe6067fa988e7d6f3e4926dbda5c9a
Link:
https://www.unpac.me/results/0009e6ac-4bcb-4ce6-b2a1-7168c70820c3/
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/58a547fab1880fa4d1a2f784044f1c6bd8f0fc578e82bf1665e972dac74c9bbd

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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

zip 750ef49a08599d7405e81b958fbe7ab6c1f5df0481a5109e6992b533fe93b1c0

AgentTesla

Executable exe 58a547fab1880fa4d1a2f784044f1c6bd8f0fc578e82bf1665e972dac74c9bbd

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 750ef49a08599d7405e81b958fbe7ab6c1f5df0481a5109e6992b533fe93b1c0
Cape
Cape
https://www.capesandbox.com/analysis/165249/

Comments