MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35ae59932f12b61b978ab822949b1dc2466bdf273624cceac8ce74e4fac65a8a. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
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SHA256 hash: 35ae59932f12b61b978ab822949b1dc2466bdf273624cceac8ce74e4fac65a8a
SHA3-384 hash: ab3175dc064e8ec15f81a17d118e9c5bfa79ec4f072dda4ff703e71654b54da83e489f10f3daea5e74d9253fc041252f
SHA1 hash: 47fa8f65d31411683d570da73f5c573d494d0d26
MD5 hash: 691dedc02746b69ffcb3c6279dfc8be9
humanhash: september-grey-triple-lion
File name:691dedc0_by_Libranalysis
Download: download sample
Signature Formbook
Create hunting rule
File size:655'360 bytes
First seen:2021-05-19 10:02:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:90X4Be6uD55fwh62tvYwGDrhrOZMDzMudlzzOINHw2MVr1Yz0oGA:91BeN55f52tvYw+hrOZMDzMalz6IRedr
Threatray 5'204 similar samples on MalwareBazaar
TLSH 49D4CF213F84A7DDE0BE9779A5E2080453F3AD1FD316D64AFD5730C81739A82CEA2652
Reporter Libranalysis
Tags:FormBook


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Libranalysis
Uploaded as part of the sample sharing project

Intelligence

File Origin
# of uploads :
1
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
691dedc0_by_Libranalysis
Verdict:
Suspicious activity
Analysis date:
2021-05-19 10:16:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/94245865-fe43-4a05-b844-bc24bb604b9b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/158513/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.749.6492.30858.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
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
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/784795
Signature
Antivirus / Scanner detection for submitted sample
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
Performs DNS queries to domains with low reputation
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 417191 Sample: 691dedc0_by_Libranalysis Startdate: 19/05/2021 Architecture: WINDOWS Score: 100 35 www.xn--bm4bzth4kbok9nc.com 2->35 37 www20.wixdns.net 2->37 39 3 other IPs or domains 2->39 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 7 other signatures 2->53 11 691dedc0_by_Libranalysis.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\...\691dedc0_by_Libranalysis.exe.log, ASCII 11->33 dropped 65 Tries to detect virtualization through RDTSC time measurements 11->65 67 Injects a PE file into a foreign processes 11->67 15 691dedc0_by_Libranalysis.exe 11->15         started        18 691dedc0_by_Libranalysis.exe 11->18         started        20 691dedc0_by_Libranalysis.exe 11->20         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 Queues an APC in another process (thread injection) 15->75 22 explorer.exe 15->22 injected process9 dnsIp10 41 www.rkd.xyz 64.190.62.111, 49723, 80 NBS11696US United States 22->41 43 www.cwhybps.com 95.163.202.98, 80 IT7NETCA Canada 22->43 45 www.stmichaelsplaygroup.com 22->45 55 System process connects to network (likely due to code injection or exploit) 22->55 57 Performs DNS queries to domains with low reputation 22->57 26 mstsc.exe 22->26         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 26->59 61 Maps a DLL or memory area into another process 26->61 63 Tries to detect virtualization through RDTSC time measurements 26->63 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Gathering data
Threat name:
Win32.Trojan.Sabsik
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Status:
Malicious
First seen:
2021-05-19 09:33:58 UTC
AV detection:
20 of 47 (42.55%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gwxftezpck3bxf4kxarjjgy5yjdgxxzhgysmz2wizz2oj6wglkfa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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93fae9b54c0f1960139aa4007a0b8f695d61cdc5219fbfbe885c850a4f43a92d
Formbook
f5b24f949895b74aa3b6bbb47e215f55f1846bf82bf462db83eff295e72fb5f7
Formbook
facc651f7697bb357b528e0fdcbfcb0601abcaad0f2bd31eee54792aa8ee66e3
Formbook
+ 5'194 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/210519-pms4e94446/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.tazmgloli.icu/mbg/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/35ae59932f12b61b978ab822949b1dc2466bdf273624cceac8ce74e4fac65a8a

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/158513/

Comments