MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3024d8a77f7d80b8e1f44a868913ad76e926d5add36cdc27332c42c3cc012a3. 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


Formbook


Vendor detections: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f3024d8a77f7d80b8e1f44a868913ad76e926d5add36cdc27332c42c3cc012a3
SHA3-384 hash: d1965aa192eb22346ec9754846e7504f538724a12752dfe738f75d701b6a6b6209816e5faf858fd12a79bd3704e7dcae
SHA1 hash: 77e07883f131f342e3d24954ea348d25554440a1
MD5 hash: 25b5788669a3a8f35596ce975f0823a7
humanhash: ink-jersey-dakota-two
File name:emthree.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:459'776 bytes
First seen:2020-11-27 05:31:43 UTC
Last seen:2020-11-27 18:32:22 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:YK8UvYOUgUihAbxk6nVTBWOfK/Kl3+XXt8LF:YK8Uv2dbvT0OfKClid8
Threatray 3'080 similar samples on MalwareBazaar
TLSH 75A4F13252E6BE82F37A3F74E4B126441F7A7C679A30D64C7F5802D911AAB0CC964B71
Reporter JAMESWT_WT
Tags:FormBook PEP

Intelligence

File Origin
# of uploads :
3
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/105770/
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
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/548938
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Binary contains a suspicious time stamp
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 323574 Sample: emthree.exe Startdate: 27/11/2020 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 7 other signatures 2->42 10 emthree.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\emthree.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 emthree.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 porncamslivechat.com 184.154.50.243, 49746, 80 SINGLEHOP-LLCUS United States 17->30 32 www.amarilloautoexpress.com 23.27.109.19, 49747, 80 EGIHOSTINGUS United States 17->32 34 4 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 rundll32.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f3024d8a77f7d80b8e1f44a868913ad76e926d5add36cdc27332c42c3cc012a3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-11-24 03:52:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
5d23faa05258eb51b196fee00263dc5e4556a37301d312563843a7ac8494ee19
Formbook
867ec49152a23a8e5ea628a48ec1810db588a716b922e6d1c8e7c45116908d24
Formbook
8df5752017d7f083ddad62b8423ea7109c830dbcdca3fff0ee7aee8d149fdeda
Formbook
94bae4886fe8942d256a84af00ae297e560b1711272c0d7b05d89f98c8067890
Formbook
bea5a2a0bade8802b63d59a653b7140792acdfa1fd3f92ccafe9bb592a94882d
Formbook
c41015f034cca2ff33ce96e08ddb477a92a3fff678bd8e78a78d96bf69e613f1
Formbook
d9600ffc9406d71c60b7eb036248230510c3b971a1de563ca7b8b57e822f7879
Formbook
e5a94739fb1f6d7a06f6b9eb529037c9ab0d59be424d4b99c63651360d7ded3f
Formbook
e85f434810652692f3e0a0738d9156899afcbd2bed42a6f328f0092d72a1db34
Formbook
f071c302252202ae71dd004191dad662307c670d95b53b7c0f5d0c8c039e9e7b
Formbook
+ 3'070 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201127-4v2jjxr1sj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Gathers network information
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.porncamslivechat.com/unx5/
Unpacked files
SH256 hash:
b7aa6e2efd402ef57346ac59ef1eff54a1416db573928451b25e6cee65837026
MD5 hash:
4d48f99a21fd2227c55c0c059a5ae7a7
SHA1 hash:
c5191b29e493fc7141a9f157f53e16ed1b698704
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/65ae44de-ca30-4995-b175-8cf3ccf7798e/
Parent samples :
867250c0cf9bf77af6af0886d701bb1ce4045a49a1e8be964b8e5f00de241c20
f3024d8a77f7d80b8e1f44a868913ad76e926d5add36cdc27332c42c3cc012a3
SH256 hash:
255452c3bda0320319743d89978ddb64462bed528b02b48ac47eabeaad77107e
MD5 hash:
ecb0b26345ec92ec7434abcb3383ddc3
SHA1 hash:
ed21ff4f2296a6cd218ba21c6980842dbc718f62
Link:
https://www.unpac.me/results/65ae44de-ca30-4995-b175-8cf3ccf7798e/
SH256 hash:
cb951f1d2b5460456aad0d89cef1216d9be5e51784d11a92447d43e96177bd5e
MD5 hash:
8cd5d2014866f4ef60802ff1826998a6
SHA1 hash:
8ff75946905d0b117080cc5a07e6e0bbea4e9bbd
Link:
https://www.unpac.me/results/65ae44de-ca30-4995-b175-8cf3ccf7798e/
SH256 hash:
f3024d8a77f7d80b8e1f44a868913ad76e926d5add36cdc27332c42c3cc012a3
MD5 hash:
25b5788669a3a8f35596ce975f0823a7
SHA1 hash:
77e07883f131f342e3d24954ea348d25554440a1
Link:
https://www.unpac.me/results/65ae44de-ca30-4995-b175-8cf3ccf7798e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f3024d8a77f7d80b8e1f44a868913ad76e926d5add36cdc27332c42c3cc012a3

File information

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

Web download

Formbook

Executable exe f3024d8a77f7d80b8e1f44a868913ad76e926d5add36cdc27332c42c3cc012a3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/826018/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/105770/

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