MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef0a4d74505ed6671e8a1de8c1c3d91d87aa06a0fa63467b3bbdbb241eb9c1e0. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef0a4d74505ed6671e8a1de8c1c3d91d87aa06a0fa63467b3bbdbb241eb9c1e0
SHA3-384 hash: e23f08b371a1b1040edc6a5a814a68ac82871e8336ba6d0661606c35f143fbb21c045758ba945f653c8d7604fd46c6fc
SHA1 hash: 1136896888123b9c9d57a3851b95c7603957afc5
MD5 hash: 127c5d3a4c4ad40a0395ac5effc6cc6b
humanhash: india-oregon-dakota-november
File name:#QuotationEX-2-0093-Q-FOB@2021-10-09.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:662'528 bytes
First seen:2021-09-10 15:16:51 UTC
Last seen:2021-09-10 17:02:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:GX7RojMExy0bHuMhyZ0sKnXMFke8iDtePNkn/TorbLh/4Wut0zOvlK+B9mck4Db3:6ajMEzhM+8wt0ZF
Threatray 9'754 similar samples on MalwareBazaar
TLSH T1B0E49D6C3DD5B05EE137DF768AE47C95EA2AB6732707D60B2043038D4A0FA86CE50676
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
290
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
#QuotationEX-2-0093-Q-FOB@2021-10-09.exe
Verdict:
Malicious activity
Analysis date:
2021-09-10 15:18:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7d644a92-5791-44df-8bac-adca5500b4e4

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/186932/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ee7ef497-51ea-4ce2-b308-83f5fb498c83
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/848888
Signature
Adds a directory exclusion to Windows Defender
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
Multi AV Scanner detection for dropped 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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Defender Exclusion
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 481319 Sample: #QuotationEX-2-0093-Q-FOB@2... Startdate: 10/09/2021 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Found malware configuration 2->37 39 Multi AV Scanner detection for dropped file 2->39 41 7 other signatures 2->41 7 #QuotationEX-2-0093-Q-FOB@2021-10-09.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\...\FUBnwyPRqey.exe, PE32 7->23 dropped 25 C:\Users\...\FUBnwyPRqey.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmpA1B6.tmp, XML 7->27 dropped 29 #QuotationEX-2-009...@2021-10-09.exe.log, ASCII 7->29 dropped 43 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->43 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->45 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->47 49 2 other signatures 7->49 11 #QuotationEX-2-0093-Q-FOB@2021-10-09.exe 6 7->11         started        15 powershell.exe 25 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 31 smtp.bonfigliolli.com 11->31 33 us2.smtp.mailhostbox.com 208.91.199.224, 49788, 49789, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->33 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->51 53 Moves itself to temp directory 11->53 55 Tries to steal Mail credentials (via file access) 11->55 57 3 other signatures 11->57 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ef0a4d74505ed6671e8a1de8c1c3d91d87aa06a0fa63467b3bbdbb241eb9c1e0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-10 15:17:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
13 of 28 (46.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=54fe25cql3lgohukdxumdq6zdwd2ubva7jrum6z3xw5sihvzyhqa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1bb734df70a3c583274b025767ef61525593567ab0b3166b89a6fe421a99faa5
AgentTesla
3f584a0e45a98791e456118d425aed123eab4e8b6c053ff608c48e19da9a59c6
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451e9ec4050240af48536c6f5620741555304a2f5d0524c53a559711434a2de3
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5b27b810965060c9aa955425b2fdc1bfa682f8bdd56cf8fdfca2e614bea5d7a9
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5f7796b2f2382f8541c0aad659492a4d5b27ad874d92e1bf6f2ee6d864160269
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63aa4b94125d5fd5621d354452e7f547b5937d099f3b92e1fc111f06136611fe
AgentTesla
6faef4e15fcae0545cbb7cdbb4200f4dcf7c18cdf12b072c65d779acef7d2092
AgentTesla
e9910e5698751eadaa69204411cd4cfe896148b60e71687ab0bd741e790d0488
AgentTesla
f7e04a704089ed7e79b3642e223363084ed1b482cf417295b64e71ab087edc61
AgentTesla
f87bef1ec7a4e68e8a9d2765a5fbfe2e0a66144a1efab71af82caad271654ee2
AgentTesla
+ 9'744 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210910-sn192aace9/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
df2ed5353cc67b38fa322751f6deb29334ea92ef6f33b3a9cf876cdd8d364544
MD5 hash:
84f58fa8d1687a87d85aa8117b1233ed
SHA1 hash:
c5002c08f07e872253c90f80cad1c50583001b00
Link:
https://www.unpac.me/results/6364c830-5a22-430a-a55b-18ba157ea5b3/
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
Link:
https://www.unpac.me/results/6364c830-5a22-430a-a55b-18ba157ea5b3/
SH256 hash:
b0254088703bfefc4514792c6d87365c898a6afb006c054cd4839de7504b83f6
MD5 hash:
b8e4e3cf26ddaf950c6a77e1af41294f
SHA1 hash:
8c8037e395d3db3c6f6f8c03765ebd7e2c68343e
Link:
https://www.unpac.me/results/6364c830-5a22-430a-a55b-18ba157ea5b3/
SH256 hash:
ef0a4d74505ed6671e8a1de8c1c3d91d87aa06a0fa63467b3bbdbb241eb9c1e0
MD5 hash:
127c5d3a4c4ad40a0395ac5effc6cc6b
SHA1 hash:
1136896888123b9c9d57a3851b95c7603957afc5
Link:
https://www.unpac.me/results/6364c830-5a22-430a-a55b-18ba157ea5b3/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/ef0a4d74505e/report/overview.html
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/ef0a4d74505ed6671e8a1de8c1c3d91d87aa06a0fa63467b3bbdbb241eb9c1e0

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: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

Executable exe ef0a4d74505ed6671e8a1de8c1c3d91d87aa06a0fa63467b3bbdbb241eb9c1e0

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/186932/

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