MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f8582beb15fc9d7978cf5664d99f426efc02d3c95aba21cf47520a16dc5a831. 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: 12


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

SHA256 hash: 6f8582beb15fc9d7978cf5664d99f426efc02d3c95aba21cf47520a16dc5a831
SHA3-384 hash: 031d37c04e955b98ea4cb09f5a3ecb6e14980b59d31f72b183f8f68ce73bcc038961d2bb09d1c2e8eb5cbb2cf456af85
SHA1 hash: 1cb9343f163637a6bdc3ecfae8e5fd23096e6ede
MD5 hash: a375bbd305e9a95fd41be1ca4922e46f
humanhash: chicken-missouri-sad-delaware
File name:RFQ_000625624523GYDO.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:875'008 bytes
First seen:2021-03-15 05:31:08 UTC
Last seen:2021-03-15 08:00:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:1j1ofb/zLYOT5AiSlWfa+ZKTbbWbxCbfddAX/o2sJWR4dJ:1Gfb/x+lWhubExCbf0Rs
Threatray 4'013 similar samples on MalwareBazaar
TLSH 3715397B21BFCDD4E1736BF41D802DAE8375F3EE22C9911834DCC26AC611E8A99D1169
Reporter FORMALITYDE
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ_000625624523GYDO.exe
Verdict:
Malicious activity
Analysis date:
2021-03-15 05:33:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/936fcdc7-1efe-4333-84c4-86c0482b70b0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/124247/
Detection(s):
Porcupine.Unclassified.99919.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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/639058
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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: 368506 Sample: RFQ_000625624523GYDO.exe Startdate: 15/03/2021 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 7 other signatures 2->44 10 RFQ_000625624523GYDO.exe 3 2->10         started        process3 file4 30 C:\Users\...\RFQ_000625624523GYDO.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 RFQ_000625624523GYDO.exe 10->14         started        17 RFQ_000625624523GYDO.exe 10->17         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.griyaedukasi.com 19->32 34 www.communityphotostudios.com 19->34 36 2 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 cmmon32.exe 19->23         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 23->48 50 Maps a DLL or memory area into another process 23->50 52 Tries to detect virtualization through RDTSC time measurements 23->52 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6f8582beb15fc9d7978cf5664d99f426efc02d3c95aba21cf47520a16dc5a831/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-12 05:55:27 UTC
AV detection:
27 of 47 (57.45%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n6cyfpvrl7e5pf4m6vte3gpue3x4alj4swv2ehhuouqkc3ofvayq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
Formbook
21ba0bed0b05a2ce68496e73a5c103fb5b815ac2c77e997f46e5d09666c1c978
Formbook
23641b89b00a043e035516ab181c6016813a62779e556a62abcd0c37cfe034d6
Formbook
38272fb3fbcabee6980aeb4be9ae17147a7979dc415cb3cfbedc48cc298bbefa
Formbook
4ce173da12efcf686dd4a7fec6678fc6c0e2cae352a3dd327bdfa478c18589e4
Formbook
6aca638f8c9405c4c02bb3f2b5f5e5bc9d5596f8c68a57fb99347031415b584b
Formbook
6c131f342e8226706ba1b39cc955852b022130c14ea12bd3b3cf340bbea25bf6
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
d0186c586f083b92225e7a7e3d357e84d7f756a3e7fd76c5edca5f3e1e702ada
Formbook
+ 4'003 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/210315-qnvclfry5a/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.dailybythecross.com/fdr/
Unpacked files
SH256 hash:
da3a99534824255ff1ec7683cc02bb4de7086b7ac0d4b69205434638c50510b3
MD5 hash:
ca7979e7723dfb802f49395076754b11
SHA1 hash:
3143a40ad67116cba11d167dc1eaffed6fce4b07
Link:
https://www.unpac.me/results/9ed4268a-068f-48af-83f4-eee2770c5a07/
SH256 hash:
6f8582beb15fc9d7978cf5664d99f426efc02d3c95aba21cf47520a16dc5a831
MD5 hash:
a375bbd305e9a95fd41be1ca4922e46f
SHA1 hash:
1cb9343f163637a6bdc3ecfae8e5fd23096e6ede
Link:
https://www.unpac.me/results/9ed4268a-068f-48af-83f4-eee2770c5a07/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6f8582beb15fc9d7978cf5664d99f426efc02d3c95aba21cf47520a16dc5a831

File information

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

Malspam

Formbook

Executable exe 6f8582beb15fc9d7978cf5664d99f426efc02d3c95aba21cf47520a16dc5a831

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/124247/

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