MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b52df691d7fb9b73288ec52b8c8b3f3dc70e262ff8af122f275ac93300aede07. 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: 13


Intelligence 13 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b52df691d7fb9b73288ec52b8c8b3f3dc70e262ff8af122f275ac93300aede07
SHA3-384 hash: 33a39849810059771757c07e52830e85b15e77a7c05b5211b2ea7fa431a9313aefa4c5bf0b81a0b79a85c7a4d84a19c0
SHA1 hash: 02cba5cd7ae83f06ce9d9e5c39d752a534e51a37
MD5 hash: 99448ebd6bbde5bf60ce33bffdddf07a
humanhash: eight-fourteen-oxygen-virginia
File name:99448ebd6bbde5bf60ce33bffdddf07a.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:474'268 bytes
First seen:2021-11-17 15:32:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:6Gig18kQgPoh+V72bj74HkQeyA50T03ZVDiOFknq4c2YB+pD9DBRbg:rbufjkEz/GTyDhknq3+pD9dRU
Threatray 11'309 similar samples on MalwareBazaar
TLSH T170A4F69CDE494156FFD1BE3C6A27F1364BA48EAD0C42D429B3CA2C53EC38181C791B66
File icon (PE):PE icon
dhash icon c4c0a8ccccec8c06 (1 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
99448ebd6bbde5bf60ce33bffdddf07a.exe
Verdict:
Malicious activity
Analysis date:
2021-11-17 15:44:40 UTC
Tags:
installer
Link:
https://app.any.run/tasks/25d44ab0-1276-49ef-a50c-9d1e023c03f6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/619520b343e8f62b66973c91/reports/88a38ac8-4120-44b1-af92-c503a9fe4822/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c42caa2a-8fe5-47df-ad9d-8db53864008c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/891322
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 523803 Sample: SwZbo6pK6j.exe Startdate: 17/11/2021 Architecture: WINDOWS Score: 100 37 Multi AV Scanner detection for domain / URL 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 3 other signatures 2->43 10 SwZbo6pK6j.exe 17 2->10         started        process3 file4 33 C:\Users\user\AppData\Local\...\rqnef.dll, PE32 10->33 dropped 53 Tries to detect virtualization through RDTSC time measurements 10->53 55 Injects a PE file into a foreign processes 10->55 14 SwZbo6pK6j.exe 10->14         started        signatures5 process6 signatures7 57 Modifies the context of a thread in another process (thread injection) 14->57 59 Maps a DLL or memory area into another process 14->59 61 Sample uses process hollowing technique 14->61 63 Queues an APC in another process (thread injection) 14->63 17 explorer.exe 14->17 injected process8 process9 19 WWAHost.exe 17->19         started        22 autofmt.exe 17->22         started        signatures10 45 Self deletion via cmd delete 19->45 47 Modifies the context of a thread in another process (thread injection) 19->47 49 Maps a DLL or memory area into another process 19->49 51 Tries to detect virtualization through RDTSC time measurements 19->51 24 explorer.exe 2 157 19->24         started        27 cmd.exe 1 19->27         started        29 explorer.exe 93 19->29         started        process11 dnsIp12 35 192.168.2.1 unknown unknown 24->35 31 conhost.exe 27->31         started        process13
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b52df691d7fb9b73288ec52b8c8b3f3dc70e262ff8af122f275ac93300aede07/
Threat name:
Win32.Trojan.InjectorX
Create hunting rule
Status:
Malicious
First seen:
2021-11-17 10:34:20 UTC
AV detection:
11 of 44 (25.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1a1189a38c1148e8c829eca6808ff3bf76df724cdb8dc301a1e5a0e18916739a
Formbook
342bac531d9b15d642629e91af8944289af752dd5d70c687e39cefe9a14dc81d
Formbook
85ee6fb97c2010a9360ee393b6f8515260e312de96ca3afbde06d5aaed699d3d
Formbook
a2dd12adec362ce7457da7795a1b0505dc2c88ab322a1c59637e8196528739f0
Formbook
b0cfa1848c7b08eb881e615731493df57963468fa3fb461ebf1468271dd17a14
Formbook
b89374513ef2e5bd74a6922fc049df5d7037136f47c0fa67c6587ea363513958
Formbook
c8b86f436d0bdc91763e23126a5ea0da8504ce66196eb73dc3dde8f955af1ea9
Formbook
ddcee2fa36f568c004181f3d91b4b75eeb935a28e9b5a3d32d1c0fd78be4fa70
Formbook
ea03c34322299aafb7f2c7b442ff7f4a661ea952bddb76b83a1c274460eb45a5
Formbook
+ 11'299 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:jy0b rat spyware stealer trojan
Link:
https://tria.ge/reports/211117-sy7vkadbg7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.filecrev.com/jy0b/
Unpacked files
SH256 hash:
b52df691d7fb9b73288ec52b8c8b3f3dc70e262ff8af122f275ac93300aede07
MD5 hash:
99448ebd6bbde5bf60ce33bffdddf07a
SHA1 hash:
02cba5cd7ae83f06ce9d9e5c39d752a534e51a37
Link:
https://www.unpac.me/results/4e605c4f-2eff-4f7b-8ed3-21dbceabe885/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b52df691d7fb/report/overview.html
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/b52df691d7fb9b73288ec52b8c8b3f3dc70e262ff8af122f275ac93300aede07

File information

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

Web download

Formbook

Executable exe b52df691d7fb9b73288ec52b8c8b3f3dc70e262ff8af122f275ac93300aede07

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/206922/
  
URLhaus
https://urlhaus.abuse.ch/url/1792412/
  
Delivery method
Distributed via web download

Comments