MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3df6c5354d1899b7249078b6aec00872710092c2328c0a3e20c79409f42adad4. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3df6c5354d1899b7249078b6aec00872710092c2328c0a3e20c79409f42adad4
SHA3-384 hash: 6a9d5ac56778b1c4d77cfbb4807231c4e44142f117d2eb983c6e93b28c97f9daafd9528ccd8b6abbe48cf1d8455e6f03
SHA1 hash: aff3dafbbb6f8fab6791aa5f9cbc18a164da68d1
MD5 hash: a15202c9f382be718047dee5b8570754
humanhash: equal-jupiter-papa-oxygen
File name:order inquiry.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:427'008 bytes
First seen:2020-08-13 03:19:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:kJ9LQvWnNI0vy1tW1VnGOvPpppppppppppppppppppppp:kJ2qIJS159
Threatray 2'240 similar samples on MalwareBazaar
TLSH 87944C31A9C2882CC9361174F8386AD275693E283FD58E2F639673987F32757731621E
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/44707/
Detection(s):
Win.Malware.Formbook-7399661-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
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/424780
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Detected FormBook malware
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
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 virtualization through RDTSC time measurements
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 264951 Sample: order inquiry.exe Startdate: 14/08/2020 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Yara detected FormBook 2->37 39 .NET source code contains very large array initializations 2->39 41 2 other signatures 2->41 10 order inquiry.exe 4 2->10         started        process3 file4 31 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 10->31 dropped 53 Writes to foreign memory regions 10->53 55 Allocates memory in foreign processes 10->55 57 Injects a PE file into a foreign processes 10->57 14 AddInProcess32.exe 10->14         started        signatures5 process6 signatures7 59 Modifies the context of a thread in another process (thread injection) 14->59 61 Maps a DLL or memory area into another process 14->61 63 Sample uses process hollowing technique 14->63 65 2 other signatures 14->65 17 explorer.exe 14->17 injected process8 dnsIp9 33 www.funpexw.com 63.250.45.230, 49742, 80 NAMECHEAP-NETUS United States 17->33 43 System process connects to network (likely due to code injection or exploit) 17->43 21 colorcpl.exe 1 3 17->21         started        signatures10 process11 file12 29 C:\Users\user\AppData\...\6L4logri.ini, data 21->29 dropped 45 Detected FormBook malware 21->45 47 Tries to steal Mail credentials (via file access) 21->47 49 Modifies the context of a thread in another process (thread injection) 21->49 51 2 other signatures 21->51 25 cmd.exe 1 21->25         started        signatures13 process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3df6c5354d1899b7249078b6aec00872710092c2328c0a3e20c79409f42adad4/
Threat name:
ByteCode-MSIL.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2020-08-07 04:53:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hx3mknkndcm3ojeqpc3k5qaiojyqbewcgkgaupray6kat5bk3lka._file
Verdict:
malicious
Similar samples:
0e7ba6c8acc0e3de5a31e050eb287daba683c992e12c4715730ef3ccf3bbf575
Formbook
226d6cd50322ceae809181841a430f14ec5499f4fdad7f51e622c772c80d7351
Formbook
38cafe26c2a04715f175182f36462f482bdbbcb1d875654b9ac1242c29f50b06
Formbook
3e98d7f59e495ddfa5140a50f70347bb4a56296ca2dcb6602f65ebb4e4a0373b
Formbook
5e5d88343393a5a1f98a66c8e5967023e200dcf3be81bc0a3c210396156d0fea
Formbook
5ea463243b051351c219469515fb9b39d01c5c3c4f4698bd6164e36070622d35
Formbook
5f6ecbe9757644eb46ceaef0b9e8354e63bab83b29bf47f4812c84beb08acb4f
Formbook
6b307cbe4f1e8d769af95142d574e77a50654e25cce234f48da6c5e7a7aa4b99
Formbook
6f827b68129d30609057c2e6b36be05649fce91d6bc8ee3d3566ca5c6aba562b
Formbook
7c73899c0587f768cfbb871b9305c7b47e85b39c330c5f82fd79345ee914d3d6
Formbook
+ 2'230 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat family:formbook
Link:
https://tria.ge/reports/200813-8yprrnab7x/
Behaviour
Formbook Payload
Formbook family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
0.70
Link:
https://yomi.yoroi.company/submissions/3df6c5354d1899b7249078b6aec00872710092c2328c0a3e20c79409f42adad4

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Malspam

Formbook

zip 340c3507fd3a1f599da7d00484ffa9d2ca5bef13e89b584ec7fbcb5b2245b0b0

Formbook

Executable exe 3df6c5354d1899b7249078b6aec00872710092c2328c0a3e20c79409f42adad4

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 340c3507fd3a1f599da7d00484ffa9d2ca5bef13e89b584ec7fbcb5b2245b0b0
Cape
Cape
https://www.capesandbox.com/analysis/44707/

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