MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d99f9a48e77080eafea3b4e1173a3bd1f556664faa04b7d7ad6a09f9feddf300. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
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SHA256 hash: d99f9a48e77080eafea3b4e1173a3bd1f556664faa04b7d7ad6a09f9feddf300
SHA3-384 hash: 448ca36df300843421f705f3e2f471bb6beed48a86993b68c1ad556ee1bb325078678ea0b96afb04d2e8030b40b7f5b9
SHA1 hash: 3abaa2c436d206a81600ec0fac6d55297623be1b
MD5 hash: c6a91af0db85263d189a3e9e0e2cd6ea
humanhash: jersey-south-fillet-uniform
File name:Cgpvo.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:68'096 bytes
First seen:2022-03-07 07:23:48 UTC
Last seen:2022-03-09 07:59:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:SNGMjZcc0v4yshzHxH4gqMYIR46mIXlh630VDftNd:Stdl0v4r9YKVmI1MEVDftNd
TLSH T1C8633A0D76996209C6E87AF849F1518613B9BCF21120C24FEDF97E695833763ECC161E
File icon (PE):PE icon
dhash icon 174f4559191b1b13 (81 x AgentTesla, 68 x Formbook, 34 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/247757/
Detection(s):
SecuriteInfo.com.W32.MSIL_Troj.BYQ.genEldorado.9975.24291.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a window
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e193ed01-6d96-4e9c-b370-d745480977ee
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/951582
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 584063 Sample: Cgpvo.exe Startdate: 07/03/2022 Architecture: WINDOWS Score: 100 27 store-images.s-microsoft.com 2->27 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->41 43 7 other signatures 2->43 7 Cgpvo.exe 16 6 2->7         started        12 Xzzydvos.exe 14 3 2->12         started        14 Xzzydvos.exe 2 2->14         started        signatures3 process4 dnsIp5 29 cdn.discordapp.com 162.159.130.233, 443, 49737, 49772 CLOUDFLARENETUS United States 7->29 21 C:\Users\user\AppData\...\Xzzydvos.exe, PE32 7->21 dropped 23 C:\Users\...\Xzzydvos.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\...\Cgpvo.exe.log, ASCII 7->25 dropped 45 Writes to foreign memory regions 7->45 47 Allocates memory in foreign processes 7->47 49 Injects a PE file into a foreign processes 7->49 16 MSBuild.exe 2 7->16         started        31 162.159.133.233, 443, 49769 CLOUDFLARENETUS United States 12->31 51 Multi AV Scanner detection for dropped file 12->51 53 Machine Learning detection for dropped file 12->53 19 MSBuild.exe 12->19         started        file6 signatures7 process8 signatures9 33 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->33 35 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->35
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d99f9a48e77080eafea3b4e1173a3bd1f556664faa04b7d7ad6a09f9feddf300/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-07 06:05:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3gpzushhocaov7vdwtqroor32h2vmzspviclpv5nnie7t7w56maa._file
Verdict:
malicious
Label(s):
agenttesla
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Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220307-h8dz5abhgp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
d99f9a48e77080eafea3b4e1173a3bd1f556664faa04b7d7ad6a09f9feddf300
MD5 hash:
c6a91af0db85263d189a3e9e0e2cd6ea
SHA1 hash:
3abaa2c436d206a81600ec0fac6d55297623be1b
Link:
https://www.unpac.me/results/48af9a95-4b7b-4dce-ba7c-656a218c76e1/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/d99f9a48e770/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/d99f9a48e77080eafea3b4e1173a3bd1f556664faa04b7d7ad6a09f9feddf300

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

Executable exe d99f9a48e77080eafea3b4e1173a3bd1f556664faa04b7d7ad6a09f9feddf300

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/247757/

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