MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbbbe050961a250cf380309380aa374ba678aa573252704383a52ca6d1ad9768. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cbbbe050961a250cf380309380aa374ba678aa573252704383a52ca6d1ad9768
SHA3-384 hash: e779fe4935618e0eb0b8557b2ecdf69f34a5553d3645d20b27c0f47f40a10cb4a6c7469701e6b4bb2bae4e6ff9879eab
SHA1 hash: 303ccc273c388929d5d39a1dff9be1a7eaddc2ab
MD5 hash: d55ab234c37f68197a93383f9dad47f1
humanhash: ink-massachusetts-kentucky-dakota
File name:TT COPY.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'508'352 bytes
First seen:2022-01-21 05:17:07 UTC
Last seen:2022-01-21 06:53:42 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 24576:MPUkjAXebubfEkrpfGyYGwqzAEr3m58boZ6eiekgwmqhgfGw2:VObubxklqzvboZ67+Tqhgj
Threatray 13'884 similar samples on MalwareBazaar
TLSH T16F65DF7231041F86F03FC37A276D40A58BF4E92AE325D58F7EC0A89BC852B518B5A57D
File icon (PE):PE icon
dhash icon b2bec096ac968682 (15 x AgentTesla, 5 x Formbook, 3 x AveMariaRAT)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/221352/
Detection(s):
SecuriteInfo.com.Variant.Strictor.265884.29809.24931.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61ea41d40f8c757253d389d0/reports/fa494ce9-3cca-423c-9bca-736ae90c2fc3/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d65d0126-2d5f-484a-bdff-ae4ace9b598a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/924973
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)
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: Suspicius Add Task From User AppData Temp
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 557451 Sample: TT COPY.exe Startdate: 21/01/2022 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 TT COPY.exe 6 2->7         started        11 tKZVPq.exe 2 2->11         started        13 tKZVPq.exe 1 2->13         started        process3 file4 32 C:\Users\user\AppData\...\aOImYkygdofl.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmpB024.tmp, XML 7->34 dropped 36 C:\Users\user\AppData\...\TT COPY.exe.log, ASCII 7->36 dropped 58 Writes to foreign memory regions 7->58 60 Injects a PE file into a foreign processes 7->60 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 38 nkr.com.pk 173.231.200.172, 49838, 587 IMH-WESTUS United States 15->38 40 mail.nkr.com.pk 15->40 28 C:\Users\user\AppData\Roaming\...\tKZVPq.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 / registry access) 15->46 48 5 other signatures 15->48 26 conhost.exe 20->26         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cbbbe050961a250cf380309380aa374ba678aa573252704383a52ca6d1ad9768/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-21 05:18:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
71
AV detection:
11 of 43 (25.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zo56auewdisqz44agcjybkrxjothrksxgjjhaq4duuwknunns5ua._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0453fa0ddd89c1887c67eceae11f4f1e0f4e37d776df53204508c1c4dbbc013e
AgentTesla
074df4d5efd64f143ab55fa20e5133a62dee4cf95a4622ebbb1aa805837add24
AgentTesla
1e445903c2ad292aee910f3551e9ca0feca04c4b44497e27fa3cdf5c0f15c0cb
AgentTesla
1fc86c47ffbc922b4794aa568d681c4632cb69a41a3b89e6bca1c49cc87f0c1f
AgentTesla
34c24059b49ba7aeb7738a40c2ce6f405a641646bfa6899f1a3199fac5ca89ec
AgentTesla
868a234549cdea90ac328cb48cf80a15e46895528ee49ea900df95e15757fc41
AgentTesla
86f05b46beceee5220439b9b874e58ff20fc54526c2b7b494797be7c50078125
AgentTesla
8db415977dd7c96f0dc85b6adcdd60a714f9e4a2655afb843e776da2e22c6082
AgentTesla
ccd3b1025026f005eab390a02815e3689f879ea7ad985f5aa760b208d4f27318
AgentTesla
+ 13'874 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/220121-fzaj8sdgh5/
Behaviour
Creates scheduled task(s)
Modifies data under HKEY_USERS
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
Drops file in Drivers directory
Sets service image path in registry
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
a33729b11fa275fff00f13eaa8234e312af523a3308607d09673b25364713eb6
MD5 hash:
9504b06609264d51549aeefbde199bd3
SHA1 hash:
cbd70a0f46b2b0548a7b030a83a0f2b7e9bb7049
Link:
https://www.unpac.me/results/3c4a3aad-a009-4f53-8a6a-2959862ecf69/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/3c4a3aad-a009-4f53-8a6a-2959862ecf69/
SH256 hash:
0c2b9d7e88494bf33818f521280542695f2d081a42749bd37403acaa7b0fee82
MD5 hash:
cab853d3fa91bd200b5a68349d867313
SHA1 hash:
1b4c6de4c376e49c4ddc70bca0ede5ace767fcd8
Link:
https://www.unpac.me/results/3c4a3aad-a009-4f53-8a6a-2959862ecf69/
SH256 hash:
cbbbe050961a250cf380309380aa374ba678aa573252704383a52ca6d1ad9768
MD5 hash:
d55ab234c37f68197a93383f9dad47f1
SHA1 hash:
303ccc273c388929d5d39a1dff9be1a7eaddc2ab
Link:
https://www.unpac.me/results/3c4a3aad-a009-4f53-8a6a-2959862ecf69/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/cbbbe050961a/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/cbbbe050961a250cf380309380aa374ba678aa573252704383a52ca6d1ad9768

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 cbbbe050961a250cf380309380aa374ba678aa573252704383a52ca6d1ad9768

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/221352/

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