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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfa12558abb79cf34f77efe7c71a0dfab082f4e5e40df271aec9a7792b248d17. 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: dfa12558abb79cf34f77efe7c71a0dfab082f4e5e40df271aec9a7792b248d17
SHA3-384 hash: 309cf704a72cd073de9cefccb032e16dc139fa9ea8170aa5bed28ce5b1a99af2975f2165042f5c94b05a2ce85bfad96a
SHA1 hash: 32229fad95163780676435cd799f4cad37630864
MD5 hash: 96608e4043fd20d0a3451d1c75504e70
humanhash: kentucky-bravo-floor-connecticut
File name:URGENT QUOTE _DELIVER TIME.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'093'120 bytes
First seen:2020-12-08 09:14:27 UTC
Last seen:2020-12-08 11:22:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'364 x AgentTesla, 20'869 x Formbook, 12'418 x SnakeKeylogger)
ssdeep 24576:w6G6ctqxbMtO2ebvfhdxHsONSDrmzvST0sDdv:w6G6csxYM2ebvfjxsOXqT0Ad
Threatray 380 similar samples on MalwareBazaar
TLSH 6D35AE396E505139F4726F7C99A02555661E2F937F2BE89E2CF131EA0B37AC299C013C
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
URGENT QUOTE _DELIVER TIME.exe
Verdict:
Suspicious activity
Analysis date:
2020-12-08 09:21:19 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/52337a9f-111d-4a51-9935-3263d0714e65

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/107218/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/557781
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
May check the online IP address of the machine
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)
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 327988 Sample: URGENT QUOTE _DELIVER TIME.exe Startdate: 08/12/2020 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected AgentTesla 2->47 49 8 other signatures 2->49 6 newapp.exe 8 2->6         started        9 URGENT QUOTE _DELIVER TIME.exe 14 2->9         started        12 newapp.exe 4 2->12         started        process3 file4 51 Multi AV Scanner detection for dropped file 6->51 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->55 57 Found evasive API chain (trying to detect sleep duration tampering with parallel thread) 6->57 14 newapp.exe 14 8 6->14         started        27 C:\...\URGENT QUOTE _DELIVER TIME.exe.log, ASCII 9->27 dropped 59 Injects a PE file into a foreign processes 9->59 18 URGENT QUOTE _DELIVER TIME.exe 17 11 9->18         started        21 newapp.exe 8 12->21         started        signatures5 process6 dnsIp7 29 smtp.annlap.com 14->29 37 3 other IPs or domains 14->37 31 smtp.annlap.com 18->31 39 4 other IPs or domains 18->39 23 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 18->23 dropped 25 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 18->25 dropped 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->61 63 Tries to steal Mail credentials (via file access) 18->63 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->65 33 smtp.annlap.com 21->33 35 208.91.199.224, 49714, 49716, 49719 PUBLIC-DOMAIN-REGISTRYUS United States 21->35 41 3 other IPs or domains 21->41 67 Tries to harvest and steal ftp login credentials 21->67 69 Tries to harvest and steal browser information (history, passwords, etc) 21->69 71 Installs a global keyboard hook 21->71 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dfa12558abb79cf34f77efe7c71a0dfab082f4e5e40df271aec9a7792b248d17/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-07 18:06:11 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=36qskwflw6opgt3x57t4ogqn7kyif5hf4qg7e4nozgtxskzerulq._file
Verdict:
malicious
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1e43a9cb578534543e39c04879feed5a1d9af3f58ab4c60f306bbedcb2be1470
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2aee5eb975d16feb1036dbf8298c4b6dc6869de8b44065caf8101a1f40b3b6ea
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595963af7762e801fac2fb08083185fbdc6916cd9dcfabafa423b74de27a36b3
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8b54b6c2ba8896acf3c68a1e61882143e42917c666ec8f1d70db2c9d63f65930
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916a77f4d125bcced72fc073a62d5dea68cedef38cc97817625ae2dc0144f6fa
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a9af2bddccc4126a93f8b0a3413df57fd0f70d8829c8cba61c8aae21c07423f6
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bb4fa1ef7cc21d3a4c66b243f542b24473441837a5aa5c453d9d89080b20acfe
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be7f98aff3b0e3bd6c740ee80ce002df7a7a8d979221b69c3916f5915cdfd37d
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c9ebd1426e4e2da4c74d6a9ef667858b3be5070d792112ce4ee5e7fdc3c9ff9c
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d657c278508c896eb401dd575052850c94a77280113f93d60f0e2c4584877e35
AgentTesla
+ 370 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201208-79fsn9jsxn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
Link:
https://www.unpac.me/results/8d235bd7-2487-4432-8325-247d81d0e59d/
SH256 hash:
dfa12558abb79cf34f77efe7c71a0dfab082f4e5e40df271aec9a7792b248d17
MD5 hash:
96608e4043fd20d0a3451d1c75504e70
SHA1 hash:
32229fad95163780676435cd799f4cad37630864
Link:
https://www.unpac.me/results/8d235bd7-2487-4432-8325-247d81d0e59d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/dfa12558abb79cf34f77efe7c71a0dfab082f4e5e40df271aec9a7792b248d17

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
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
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

zip 41bbe3fa9c500de22b72629e93303e8cb89206d06c60677ba774eebe82d94c08

AgentTesla

Executable exe dfa12558abb79cf34f77efe7c71a0dfab082f4e5e40df271aec9a7792b248d17

(this sample)

  
Dropped by
MD5 8cef409cd3b793335d3783f34665b380
  
Dropped by
SHA256 41bbe3fa9c500de22b72629e93303e8cb89206d06c60677ba774eebe82d94c08
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/107218/

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