MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a67263bb6f4ffdb09b65b1f49c3467cc7ff81c9928a96c4a024b5832ffbbd1ac. 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

SHA256 hash: a67263bb6f4ffdb09b65b1f49c3467cc7ff81c9928a96c4a024b5832ffbbd1ac
SHA3-384 hash: 8cc4514824e20e0b0dfb088cb89ccbf9aae0e457cef42c9766e7f075d70c9536ce90326f6af026aa92267cfadcc9fa65
SHA1 hash: 4529b0f68ff189d0ac56fb05dd985856caf237f1
MD5 hash: e470b8803e5605461e760eff036a4ead
humanhash: idaho-red-orange-bravo
File name:Request Quotation.exe
Download: download sample
Signature AgentTesla
File size:905'728 bytes
First seen:2020-12-17 11:53:19 UTC
Last seen:2020-12-17 14:18:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:8Ll7FzLtJ0amrZio5Gs4a+bfodxWSAFB+hl9FJUZO7KRclzUyy4yCWslmy/jT+Dr:QlJ0aIZioZ4r76ISAP+zL82zUZQtqb7
Threatray 2'013 similar samples on MalwareBazaar
TLSH 5F157E342BEAD334F1735FF946D07ED5B66EB562AA0AFC191C80138A462258DB9F013D
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
3
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Request Quotation.exe
Verdict:
Malicious activity
Analysis date:
2020-12-17 12:01:34 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Gathering data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
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
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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 331750 Sample: Request Quotation.exe Startdate: 17/12/2020 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Found malware configuration 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 10 other signatures 2->56 7 Request Quotation.exe 7 2->7         started        11 lEmohP.exe 2 2->11         started        13 lEmohP.exe 1 2->13         started        process3 file4 32 C:\Users\user\AppData\Roaming32CglKfK.exe, PE32 7->32 dropped 34 C:\Users\user\...34CglKfK.exe:Zone.Identifier, ASCII 7->34 dropped 36 C:\Users\user\AppData\Local\Temp\tmpEAF.tmp, XML 7->36 dropped 38 C:\Users\user\...\Request Quotation.exe.log, ASCII 7->38 dropped 58 Writes to foreign memory regions 7->58 60 Allocates memory in foreign processes 7->60 62 Injects a PE file into a foreign processes 7->62 15 RegSvcs.exe 2 4 7->15         started        20 schtasks.exe 1 7->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        signatures5 process6 dnsIp7 40 mail.hemetek.com 107.6.134.138, 49773, 587 SINGLEHOP-LLCUS United States 15->40 28 C:\Users\user\AppData\Roaming\...\lEmohP.exe, PE32 15->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 15->30 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->44 46 Tries to steal Mail credentials (via file access) 15->46 48 5 other signatures 15->48 26 conhost.exe 20->26         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-12-16 18:48:04 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
Unpacked files
SH256 hash:
a67263bb6f4ffdb09b65b1f49c3467cc7ff81c9928a96c4a024b5832ffbbd1ac
MD5 hash:
e470b8803e5605461e760eff036a4ead
SHA1 hash:
4529b0f68ff189d0ac56fb05dd985856caf237f1
SH256 hash:
25a6006c8e418337b87edf07d60216cc05ba90c74018a5345b5446279b4c8a6c
MD5 hash:
f302384a9bebcd838c8847a15c70a9bc
SHA1 hash:
951d792ab5f44c968b114347b9178c0f7522c4f3
SH256 hash:
b9b2ce68a18db98a1253e9ece1d2d99a030be25ad433ef2dd3889cff53316d99
MD5 hash:
2111960d6148d9b9fead1da5fdef6f7a
SHA1 hash:
bdc7dcecaa1d96d290cc427fc9b2070c7433bc73
SH256 hash:
f53fa6f48bb8b97a0af26992127ae739ee019ba1a3f73a8d491ab68931f0176f
MD5 hash:
52f8b40d61a9b7f0d6804ca471d5d06c
SHA1 hash:
c94c339ae3257c0968c0081ce86261a11f658f58
SH256 hash:
489f959338dbbb07dfb956d84cd8f468c47db61e84cac3aa2a9ab8234ec4bb06
MD5 hash:
d28e4c45d25b5962271fcd2df15a98c1
SHA1 hash:
f3166c799e05db8e2ece3bdf57dce4851a4c972a
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
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 a67263bb6f4ffdb09b65b1f49c3467cc7ff81c9928a96c4a024b5832ffbbd1ac

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments