MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f88b638c800807dc39d987285c8b5fb675be68e8e4b5f4f919446c335a465c10. 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: f88b638c800807dc39d987285c8b5fb675be68e8e4b5f4f919446c335a465c10
SHA3-384 hash: 44f488cd27d148c25bd257446374f97b5d189687e9a9a456ff714a8742f4c2e4c7fcacf6abdb65a477f5b73f3bc42439
SHA1 hash: 3b7704352aaaa44b66db325872ea19e87422e072
MD5 hash: 06b5ac3e328a63c8df78d784d8a69f7f
humanhash: south-kilo-blossom-gee
File name:06b5ac3e328a63c8df78d784d8a69f7f.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:342'412 bytes
First seen:2021-11-19 08:39:48 UTC
Last seen:2021-11-19 14:13:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGi4OuwNEsAmTYFl+/RuZKRaKcfb2t5QkXRwlMe/TeVOGH7XzR5SQa:X9Ech+7bC5Q0Rg/CH7t5A
Threatray 11'432 similar samples on MalwareBazaar
TLSH T19D74230F2CE18127CAD61A750D3A173FE6B4A4D85261A957CFC84E9E3BB36C50362B43
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
06b5ac3e328a63c8df78d784d8a69f7f.exe
Verdict:
Malicious activity
Analysis date:
2021-11-19 09:10:06 UTC
Tags:
installer
Link:
https://app.any.run/tasks/0f33efa9-3556-40b2-9161-495ff63f6fd7

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/619762ea43e8f62b669a1bc3/reports/a8925189-61dd-4867-b257-72394cff310a/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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5ec3302a-a062-4b28-a9fd-3631fd3bbe56
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/892540
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 dropped file
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: 525013 Sample: cPlU867V21.exe Startdate: 19/11/2021 Architecture: WINDOWS Score: 100 33 Multi AV Scanner detection for domain / URL 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 4 other signatures 2->39 10 cPlU867V21.exe 17 2->10         started        process3 file4 29 C:\Users\user\AppData\...\eijepeznpa.dll, PE32 10->29 dropped 49 Tries to detect virtualization through RDTSC time measurements 10->49 51 Injects a PE file into a foreign processes 10->51 14 cPlU867V21.exe 10->14         started        signatures5 process6 signatures7 53 Modifies the context of a thread in another process (thread injection) 14->53 55 Maps a DLL or memory area into another process 14->55 57 Sample uses process hollowing technique 14->57 59 Queues an APC in another process (thread injection) 14->59 17 explorer.exe 14->17 injected process8 process9 19 wlanext.exe 17->19         started        signatures10 41 Self deletion via cmd delete 19->41 43 Modifies the context of a thread in another process (thread injection) 19->43 45 Maps a DLL or memory area into another process 19->45 47 Tries to detect virtualization through RDTSC time measurements 19->47 22 explorer.exe 2 154 19->22         started        25 cmd.exe 1 19->25         started        process11 dnsIp12 31 192.168.2.1 unknown unknown 22->31 27 conhost.exe 25->27         started        process13
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f88b638c800807dc39d987285c8b5fb675be68e8e4b5f4f919446c335a465c10/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-11-19 08:40:12 UTC
AV detection:
9 of 44 (20.45%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0e2e801a0cc0e4257442d1243a17ae2ec7e7057cdb4a41a899d9aec7eb77cfbb
Formbook
1a1189a38c1148e8c829eca6808ff3bf76df724cdb8dc301a1e5a0e18916739a
Formbook
85ee6fb97c2010a9360ee393b6f8515260e312de96ca3afbde06d5aaed699d3d
Formbook
b0cfa1848c7b08eb881e615731493df57963468fa3fb461ebf1468271dd17a14
Formbook
b52df691d7fb9b73288ec52b8c8b3f3dc70e262ff8af122f275ac93300aede07
Formbook
b89374513ef2e5bd74a6922fc049df5d7037136f47c0fa67c6587ea363513958
Formbook
ddcee2fa36f568c004181f3d91b4b75eeb935a28e9b5a3d32d1c0fd78be4fa70
Formbook
ea03c34322299aafb7f2c7b442ff7f4a661ea952bddb76b83a1c274460eb45a5
Formbook
+ 11'422 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/211119-kkx47shgem/
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:
f88b638c800807dc39d987285c8b5fb675be68e8e4b5f4f919446c335a465c10
MD5 hash:
06b5ac3e328a63c8df78d784d8a69f7f
SHA1 hash:
3b7704352aaaa44b66db325872ea19e87422e072
Link:
https://www.unpac.me/results/b6e010ce-90d9-4952-b400-483f03eced9b/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f88b638c8008/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
Link:
https://yomi.yoroi.company/submissions/f88b638c800807dc39d987285c8b5fb675be68e8e4b5f4f919446c335a465c10

File information

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

Web download

Formbook

Executable exe f88b638c800807dc39d987285c8b5fb675be68e8e4b5f4f919446c335a465c10

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/207554/
  
URLhaus
https://urlhaus.abuse.ch/url/1792412/
  
Delivery method
Distributed via web download

Comments