MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45024576e848c50c9199cbfe61462e11551ec6ce99cb7ca39ae929dc77aa348f. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 45024576e848c50c9199cbfe61462e11551ec6ce99cb7ca39ae929dc77aa348f
SHA3-384 hash: 57a3fc0d817e58e51368bd814cc10c23e0b893704d6acaee3880fdf59ed8f9e7b42754e6c6e1711b37a070ea3b2de231
SHA1 hash: 32d9af287bbaca61999b5cde1c5d84f6cb1e9df6
MD5 hash: 2cf86b6b881b9b8ccf35374de16b16f9
humanhash: butter-charlie-solar-timing
File name:br0UA6ZDyIkO34h.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:751'616 bytes
First seen:2020-08-21 12:15:10 UTC
Last seen:2020-08-21 13:00:51 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:DxESx2tbv4LArzVaoqcX3rL9S3h8vIh5IsVjNX:DaSg9doSHrL9qVheCl
Threatray 2'241 similar samples on MalwareBazaar
TLSH EBF4F1113A66EA01F92D5137C5DB410403F4E922A3A3DB2BBCDD733D05213E5BA59BAE
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/49542/
Detection(s):
SecuriteInfo.com.Generic.mg.2cf86b6b881b9b8c.21828.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/444171
Signature
.NET source code contains potential unpacker
Benign windows process drops PE files
Detected FormBook malware
Detected unpacking (changes PE section rights)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 274862 Sample: br0UA6ZDyIkO34h.exe Startdate: 23/08/2020 Architecture: WINDOWS Score: 100 47 www.asiablockchainforum.com 2->47 49 www.lattakia-imbiss.com 2->49 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 8 other signatures 2->61 11 br0UA6ZDyIkO34h.exe 3 2->11         started        signatures3 process4 file5 45 C:\Users\user\...\br0UA6ZDyIkO34h.exe.log, ASCII 11->45 dropped 75 Detected unpacking (changes PE section rights) 11->75 77 Tries to detect virtualization through RDTSC time measurements 11->77 15 br0UA6ZDyIkO34h.exe 11->15         started        signatures6 process7 signatures8 79 Modifies the context of a thread in another process (thread injection) 15->79 81 Maps a DLL or memory area into another process 15->81 83 Sample uses process hollowing technique 15->83 85 Queues an APC in another process (thread injection) 15->85 18 explorer.exe 1 6 15->18 injected process9 dnsIp10 51 www.laurawareck.com 104.27.153.236, 49736, 80 CLOUDFLARENETUS United States 18->51 53 www.teca.agency 31.31.196.183, 49745, 49749, 49750 AS-REGRU Russian Federation 18->53 39 C:\Users\user\AppData\Local\...\win0h4hsz.exe, PE32 18->39 dropped 63 System process connects to network (likely due to code injection or exploit) 18->63 65 Benign windows process drops PE files 18->65 23 ipconfig.exe 1 17 18->23         started        27 win0h4hsz.exe 2 18->27         started        29 autofmt.exe 18->29         started        31 autofmt.exe 18->31         started        file11 signatures12 process13 file14 41 C:\Users\user\AppData\...\94Nlogrv.ini, data 23->41 dropped 43 C:\Users\user\AppData\...\94Nlogri.ini, data 23->43 dropped 67 Detected FormBook malware 23->67 69 Tries to steal Mail credentials (via file access) 23->69 71 Tries to harvest and steal browser information (history, passwords, etc) 23->71 73 3 other signatures 23->73 33 cmd.exe 1 23->33         started        35 win0h4hsz.exe 27->35         started        signatures15 process16 process17 37 conhost.exe 33->37         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/45024576e848c50c9199cbfe61462e11551ec6ce99cb7ca39ae929dc77aa348f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-21 12:17:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iubek5xijdcqzemzzp7gcrrocfkr5rwothfxzi425eu5y55kgshq._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
agenttesla
Create hunting rule
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AgentTesla
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5ea463243b051351c219469515fb9b39d01c5c3c4f4698bd6164e36070622d35
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6f827b68129d30609057c2e6b36be05649fce91d6bc8ee3d3566ca5c6aba562b
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9c0d3c463792d704909de3a04cd7a6d31f8094301e8e24950af31cdc5e9f2838
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b9cd83c667b694ec10f884183b138beeb0f986a7d3c50af463535852f2fa0663
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cfa40c1b8552fd4db408ba6cc0d622c3fed256ca4e684e4277291332c45975fb
AgentTesla
+ 2'231 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat persistence trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/200821-8n69535cjj/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.teanmer.com/nk9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/45024576e848c50c9199cbfe61462e11551ec6ce99cb7ca39ae929dc77aa348f

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

zip 7994bd8e36e44357105919cb2427f39b5a5269156af36dd0b9a47d421aa21cf9

AgentTesla

Executable exe 45024576e848c50c9199cbfe61462e11551ec6ce99cb7ca39ae929dc77aa348f

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 7994bd8e36e44357105919cb2427f39b5a5269156af36dd0b9a47d421aa21cf9
Cape
Cape
https://www.capesandbox.com/analysis/49542/

Comments