MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b5886e8959ca9827b490ef0b58665261612a999ab837d28b3b7eac6e7ff282c. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6b5886e8959ca9827b490ef0b58665261612a999ab837d28b3b7eac6e7ff282c
SHA3-384 hash: 76d945f7f9537b40030825bb0597736c47a42a27e70879cf8418775ea4b1de08a0150e3b8957770cab1276b91bc7b5c7
SHA1 hash: d0f993c795dd09f0cc2325ef7a46212a8961e12a
MD5 hash: bae270a8ad3f7c9bf78a95d1824ad3c5
humanhash: magazine-romeo-floor-don
File name:Purchase Order.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:599'040 bytes
First seen:2022-07-29 05:17:58 UTC
Last seen:2022-07-29 09:49:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:8eIuKqWjsZ5uEd2iNn9fXdPkSGmRsOVrRMMkYOFx/kIS5BDkw/dN:8eo/W5X1rfXdPFoFiB5Gw1N
Threatray 18'506 similar samples on MalwareBazaar
TLSH T17CD4E00129DBB3A8FE3AD3744BC864764EB6B127C204B6B9AD510372C356FB1C91357A
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
283
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/295019/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Siggen18.28299.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/071884e6-1d31-4598-a852-82277bf95beb
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1042879
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
.NET source code contains very large strings
Antivirus detection for URL or domain
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
Malicious sample detected (through community Yara rule)
Modifies the hosts file
Multi AV Scanner detection for domain / URL
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
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 675373 Sample: Purchase Order.exe Startdate: 29/07/2022 Architecture: WINDOWS Score: 100 68 Snort IDS alert for network traffic 2->68 70 Multi AV Scanner detection for domain / URL 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 16 other signatures 2->74 7 Purchase Order.exe 6 2->7         started        11 yqWDN.exe 4 2->11         started        13 yqWDN.exe 3 2->13         started        process3 file4 42 C:\Users\user\AppData\Roaming\RYFGvTmre.exe, PE32 7->42 dropped 44 C:\Users\user\AppData\Local\...\tmp9279.tmp, XML 7->44 dropped 46 C:\Users\user\...\Purchase Order.exe.log, ASCII 7->46 dropped 76 Injects a PE file into a foreign processes 7->76 15 Purchase Order.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        22 Purchase Order.exe 7->22         started        30 2 other processes 7->30 78 Multi AV Scanner detection for dropped file 11->78 80 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->80 82 Machine Learning detection for dropped file 11->82 84 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->84 24 yqWDN.exe 2 11->24         started        26 schtasks.exe 1 11->26         started        28 yqWDN.exe 11->28         started        signatures5 process6 dnsIp7 48 mail.contrivekota.in 184.168.102.151, 49770, 49774, 587 AS-26496-GO-DADDY-COM-LLCUS United States 15->48 50 192.168.2.1 unknown unknown 15->50 36 C:\Users\user\AppData\Roaming\...\yqWDN.exe, PE32 15->36 dropped 38 C:\Windows\System32\drivers\etc\hosts, ASCII 15->38 dropped 40 C:\Users\user\...\yqWDN.exe:Zone.Identifier, ASCII 15->40 dropped 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->52 54 Tries to steal Mail credentials (via file / registry access) 15->54 56 Modifies the hosts file 15->56 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->58 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->60 62 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->62 32 conhost.exe 20->32         started        64 Tries to harvest and steal ftp login credentials 24->64 66 Tries to harvest and steal browser information (history, passwords, etc) 24->66 34 conhost.exe 26->34         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6b5886e8959ca9827b490ef0b58665261612a999ab837d28b3b7eac6e7ff282c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-07-29 02:39:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 39 (53.85%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nnmin2evtsuye62jb3yllbtfeylbfkmzvobx2kftw7vmnz77fawa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
35ed41495d70f202e860436d7273521c37a1bcdac595771a7b43c055e36d51ce
AgentTesla
9c91e4ad7f628daad6e529f0bd038ae3a6bf1c8bb402f24ebced1a97b78dc193
AgentTesla
b7c3b077777303227947d62064fea23a1473f57c07575476e97c92a811b37c46
AgentTesla
d2a15bc37d82c300a6f57910ea624261a5d71a73776d974dccc7c2eb6e62f80b
AgentTesla
dd1a68eddcabd1f5e7c7e6eeb8b6bbbb9933ea580b5b582fd10b5d4c0885b095
AgentTesla
f5e569abf12e1a85aecfcdfe9dd84ce7ca2235c59a8c357c257ac5005645ef80
AgentTesla
+ 18'496 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220729-fy9ypsfbbk/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
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
Unpacked files
SH256 hash:
5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6
MD5 hash:
01800f6b045def8d90c649842f56d752
SHA1 hash:
f8434a4636d0772d01aac44bb3f9753a41f01d34
Link:
https://www.unpac.me/results/476d7873-c218-4614-a34c-035addd7ab8f/
SH256 hash:
83559787d5dfac1cc1fdf5ae0db043b51ea0f07b2b5589b6819e40b3ec07c307
MD5 hash:
a1680a725b5c549c8860bbf0a5d03525
SHA1 hash:
d3a6fd90c9eb6c2d2e5b5d4d453843585d0ed0a0
Link:
https://www.unpac.me/results/476d7873-c218-4614-a34c-035addd7ab8f/
SH256 hash:
c340c17fa2f2e0ac130b1122429ef2b578459a005c4758f3305ed7637ee35ccb
MD5 hash:
fdedc58c19abcc446556e3a50b0014ac
SHA1 hash:
2b52fcb5b2e12b329a3fc4dd4473c254a4228b80
Link:
https://www.unpac.me/results/476d7873-c218-4614-a34c-035addd7ab8f/
SH256 hash:
6b5886e8959ca9827b490ef0b58665261612a999ab837d28b3b7eac6e7ff282c
MD5 hash:
bae270a8ad3f7c9bf78a95d1824ad3c5
SHA1 hash:
d0f993c795dd09f0cc2325ef7a46212a8961e12a
Link:
https://www.unpac.me/results/476d7873-c218-4614-a34c-035addd7ab8f/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6b5886e8959c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

zip 2dbfde1214b149951c26b4ea49847eedc3812dd54297619f70cccd03c8ee1e14

AgentTesla

Executable exe 6b5886e8959ca9827b490ef0b58665261612a999ab837d28b3b7eac6e7ff282c

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/295019/
  
Dropped by
SHA256 2dbfde1214b149951c26b4ea49847eedc3812dd54297619f70cccd03c8ee1e14
  
Dropped by
MD5 78da93b670d32157af689461404fe310
  
Dropped by
SHA256 f9eacebe710fc34ebc59e0dae4f2d8f017e405cf5161835608d9d329da9301ae
  
Dropped by
MD5 1d9e969d7df60a55298b2e46544bc7fb

Comments