MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 298580b2b60cd18e7ac66ca75c0105309efc31478451ba1f338ff293af6b7e02. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 298580b2b60cd18e7ac66ca75c0105309efc31478451ba1f338ff293af6b7e02
SHA3-384 hash: b8f2d721c2e04baff9b1d05a2f8078267d9f5a018860eff4f45b86b6fcd26d087d2e64f0516f2fe0a0f928506d737c82
SHA1 hash: ae3776b7c305c5d2d8b1d255fb320c2496053921
MD5 hash: 9ce6f201ca93fce607c8f95b97e03c99
humanhash: lithium-carbon-indigo-ink
File name:proforma invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:993'792 bytes
First seen:2021-06-03 06:18:49 UTC
Last seen:2021-06-03 06:54:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:E++D+4qwLoP+2x/+9RyyICQSSThuLjlxIFoo3xdQINGdJHRlX++4aw1DkFDMKq8+:Eese7ovM40ksR/H
Threatray 5'563 similar samples on MalwareBazaar
TLSH AA25392439FA501AF173AF794FD4B5969A2FBE733B07641A2091334A4633A81DDC253E
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
proforma invoice.exe
Verdict:
No threats detected
Analysis date:
2021-06-03 06:19:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/666195ce-c628-4b9f-b012-27929ea61d32

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/164276/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
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/796453
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)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 428848 Sample: proforma invoice.exe Startdate: 03/06/2021 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 Yara detected AgentTesla 2->51 53 7 other signatures 2->53 6 proforma invoice.exe 3 2->6         started        9 AvrzbM.exe 3 2->9         started        12 AvrzbM.exe 2 2->12         started        process3 file4 29 C:\Users\user\...\proforma invoice.exe.log, ASCII 6->29 dropped 14 proforma invoice.exe 2 5 6->14         started        55 Multi AV Scanner detection for dropped file 9->55 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->57 59 Machine Learning detection for dropped file 9->59 61 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->61 19 AvrzbM.exe 2 9->19         started        21 AvrzbM.exe 9->21         started        23 AvrzbM.exe 9->23         started        63 Injects a PE file into a foreign processes 12->63 25 AvrzbM.exe 12->25         started        27 AvrzbM.exe 12->27         started        signatures5 process6 dnsIp7 37 premium124.web-hosting.com 162.0.229.222, 49727, 587 NAMECHEAP-NETUS Canada 14->37 31 C:\Users\user\AppData\Roaming\...\AvrzbM.exe, PE32 14->31 dropped 33 C:\Users\user\...\AvrzbM.exe:Zone.Identifier, ASCII 14->33 dropped 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->39 41 Tries to steal Mail credentials (via file access) 14->41 43 Tries to harvest and steal ftp login credentials 14->43 45 4 other signatures 14->45 35 C:\Windows\System32\drivers\etc\hosts, ASCII 25->35 dropped file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/298580b2b60cd18e7ac66ca75c0105309efc31478451ba1f338ff293af6b7e02/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-03 02:09:12 UTC
AV detection:
18 of 47 (38.30%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fgcybmvwbtiy46wgnstvyaifgcppymkhqri3uhztr7zjhl3lpyba._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1782d596257cfdebb26faf0e26a0c153575e047f036f5aa2c37c341d5a4004e8
AgentTesla
2c3a5672edac823cdf4801786f4d4802acdca915a8becd6b544d94c0f2024f4e
AgentTesla
47aec25d8d3acefc90d01bb913af2a6d9060d893dedf3cfa62fe61e207f1a8a8
AgentTesla
4b55e32234637e16b302ccfb3b30c34cebce0022c958b6afe5214d8ae4a74be2
AgentTesla
51ca9453d5b45f1def4745ce3126dcf3e6b7d6a6b9ed39aa8a68c4c68d17ac4d
AgentTesla
80696b82979f9ef0936df9b0406561d491778061ce19469508097dd6b21d9bd7
AgentTesla
86583e8edf11dc6f182b473ba6aedd59a6a21367c6966705066eb4fe948d3ce9
AgentTesla
c65dd45fb74c07111e2af32a6fae4aa6c8035950f0fe2b4a162db0439f85beb1
AgentTesla
d6bbcde0f4cfe242313c3af0a3cf6f451026af2536a53a9e402578186cb2d757
AgentTesla
e8834d8376e9d83c926bd5ccbaf4af8bf76ad6d49fb4245a69253e5052293e07
AgentTesla
+ 5'553 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/210603-qfgjn7jxs2/
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/de8225dc-8a3f-40c4-826c-66c769ac5989/
SH256 hash:
9bb4b8065534ac3353e777efb56a89c07b327e54405ce987f678b2d1e394c54e
MD5 hash:
2b340adc0b6ed46868d212e42b9f4abc
SHA1 hash:
c795c9b21976cbcc8f1d955db1a9923666b0f513
Link:
https://www.unpac.me/results/de8225dc-8a3f-40c4-826c-66c769ac5989/
SH256 hash:
c2321d41e52d8cb0f0fe0ab6f1784145d209023a86ed3ae59ab468c8657b5367
MD5 hash:
43842104f8a6b1ca97c37f7f7ec96b69
SHA1 hash:
a3171c51e9e1d1d84c2e4ee9076beda77c4fbd1a
Link:
https://www.unpac.me/results/de8225dc-8a3f-40c4-826c-66c769ac5989/
SH256 hash:
298580b2b60cd18e7ac66ca75c0105309efc31478451ba1f338ff293af6b7e02
MD5 hash:
9ce6f201ca93fce607c8f95b97e03c99
SHA1 hash:
ae3776b7c305c5d2d8b1d255fb320c2496053921
Link:
https://www.unpac.me/results/de8225dc-8a3f-40c4-826c-66c769ac5989/
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/298580b2b60cd18e7ac66ca75c0105309efc31478451ba1f338ff293af6b7e02

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: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 298580b2b60cd18e7ac66ca75c0105309efc31478451ba1f338ff293af6b7e02

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/164276/

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