MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a5ab3fc479d127e6d2fc01ee7e6eaa2a76a682068e0e84f00edbaab2c77598c. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1a5ab3fc479d127e6d2fc01ee7e6eaa2a76a682068e0e84f00edbaab2c77598c
SHA3-384 hash: f9b0544a9a3303da4e2426c4f694b25d0e962a54166d05fa4a38aefab593404983b72ef0e9619f4c7659c87ebc60118a
SHA1 hash: 0bffeb93ede36d478fe276163a1177e5d68beb05
MD5 hash: ddd4ff2e7648c71e8ae4f9adca0fe67a
humanhash: river-stream-oxygen-king
File name:DUE INVOICES.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:795'136 bytes
First seen:2021-04-29 06:28:09 UTC
Last seen:2021-04-29 12:20:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'604 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:K1TpQ3xnWIJGff6cGsJUx2WdQRCh00YdKwt:KMVyhRJUxfdoCh09d
Threatray 630 similar samples on MalwareBazaar
TLSH EA059B7953ECCA98E0A9493675935B1076FBAC02BE63FCACDCD464AC44326C43553E93
Reporter cocaman
Tags:AgentTesla exe INVOICE

Intelligence

File Origin
# of uploads :
5
# of downloads :
93
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/146407/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.688-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/703162
Signature
.NET source code contains very large array initializations
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
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)
Sigma detected: Scheduled temp file as task from temp location
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: 400509 Sample: DUE INVOICES.exe Startdate: 29/04/2021 Architecture: WINDOWS Score: 100 52 Found malware configuration 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 Sigma detected: Scheduled temp file as task from temp location 2->56 58 11 other signatures 2->58 9 DUE INVOICES.exe 7 2->9         started        13 newapp.exe 5 2->13         started        15 newapp.exe 4 2->15         started        process3 file4 42 C:\Users\user\AppData\...\wSbugcDUhpAYyv.exe, PE32 9->42 dropped 44 C:\...\wSbugcDUhpAYyv.exe:Zone.Identifier, ASCII 9->44 dropped 46 C:\Users\user\AppData\Local\...\tmp3178.tmp, XML 9->46 dropped 48 C:\Users\user\...\DUE INVOICES.exe.log, ASCII 9->48 dropped 68 Injects a PE file into a foreign processes 9->68 17 DUE INVOICES.exe 2 7 9->17         started        22 schtasks.exe 1 9->22         started        70 Multi AV Scanner detection for dropped file 13->70 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->72 74 Machine Learning detection for dropped file 13->74 76 2 other signatures 13->76 24 schtasks.exe 15->24         started        26 newapp.exe 15->26         started        signatures5 process6 dnsIp7 50 smtp.vivaldi.net 31.209.137.12, 49729, 587 HRINGDU-ASIS Iceland 17->50 38 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 17->38 dropped 40 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 17->40 dropped 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->60 62 Tries to steal Mail credentials (via file access) 17->62 64 Tries to harvest and steal ftp login credentials 17->64 66 2 other signatures 17->66 28 conhost.exe 22->28         started        30 conhost.exe 24->30         started        file8 signatures9 process10 process11 32 schtasks.exe 1 28->32         started        34 newapp.exe 4 28->34         started        process12 36 conhost.exe 32->36         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1a5ab3fc479d127e6d2fc01ee7e6eaa2a76a682068e0e84f00edbaab2c77598c/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-04-29 01:15:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
12 of 47 (25.53%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=djnlh7chtujh43jpyapopzxkuktwu2bandqoqtya5w5kwldxlgga._file
Verdict:
malicious
Similar samples:
047d3bebe340180add07832e734233f7aa762de34f1eca2b5059d48a2daca6bc
AgentTesla
09aee6abb9346613d79d14df006bde49924dfe308ca268e349ad134db2d0afa9
AgentTesla
3a04294c74c076d017ac8f59b506f735547d31472f7480cb6652dea5e3a2816c
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4093d9868af45612a60cba690351842d6ec33be2ea23ed0535e8c0bb0cce730e
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608d70c1cb35d04fa09469743651ee50e859d9ea016f7492bc53008de310deb7
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61b1619f5d3f4708cb0da8b1fc6b148d7e5352516c3e16fae6faffb503fa413b
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69b99d16f072c6ab2687da255681f3f1c3a97746bfe516b206644a5056a99425
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a9fcf50b626f7a735761798ddff08a65e037fbde2ef6e57f066150543ebcb249
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b603fd540d4a4e79052ee4b93a3b4155eb2bacc3fd15ef9e4a9e9d94060c522a
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e096e858f6e33e79359f9be68c43cdb8536c99a6282adb420496e11b12a4aa4c
AgentTesla
+ 620 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/210429-mnqcwz8e6n/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
11cf5a51e593c007ff4f91294cf505ffd5e425e56387c60d81e6479cc284cc3b
MD5 hash:
73cc3f7e7700e6a54cb5f291dffe5aa1
SHA1 hash:
09174f9fa55c9bac0540efb7a8c682878a32d02d
Link:
https://www.unpac.me/results/92809aab-2f58-4373-82c0-c76ab98c5e35/
SH256 hash:
1a5ab3fc479d127e6d2fc01ee7e6eaa2a76a682068e0e84f00edbaab2c77598c
MD5 hash:
ddd4ff2e7648c71e8ae4f9adca0fe67a
SHA1 hash:
0bffeb93ede36d478fe276163a1177e5d68beb05
Link:
https://www.unpac.me/results/92809aab-2f58-4373-82c0-c76ab98c5e35/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1a5ab3fc479d127e6d2fc01ee7e6eaa2a76a682068e0e84f00edbaab2c77598c

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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 7fa3827e99f28c847cee92b9753e5978069868f9d7fc447c846bfbeafae43666

AgentTesla

Executable exe 1a5ab3fc479d127e6d2fc01ee7e6eaa2a76a682068e0e84f00edbaab2c77598c

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 7fa3827e99f28c847cee92b9753e5978069868f9d7fc447c846bfbeafae43666
Cape
Cape
https://www.capesandbox.com/analysis/146407/

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