MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 79059aab91f5ac92608b8cf4c141925f567300265c5828220487596094a5c4f3. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: 79059aab91f5ac92608b8cf4c141925f567300265c5828220487596094a5c4f3
SHA3-384 hash: 2ee1b8708865603d705ce4cdb9cd4bd8cc3038abe5869502adc50599db0566ae542c34b4950938789caee59423294b35
SHA1 hash: 63d5810ea804f6946ba66589685933a268f4cf76
MD5 hash: fa9eafd7f4957b5d48ff3f93f066f04c
humanhash: blossom-thirteen-august-romeo
File name:SIP101523.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:278'104 bytes
First seen:2023-02-13 10:21:06 UTC
Last seen:2023-02-20 08:45:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6Zgc1hATP+ZERfJE0PilplRc/Bsf94JLdeHs25wGmtg:/Yrgc1CTP2mnYq/0mZej
TLSH T1E14412517366C263DD6707310E3A462B9BBDFB061529630B63903B6C7AB6903DB0E772
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
195
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
SIP101523.exe
Verdict:
Malicious activity
Analysis date:
2023-02-13 10:28:54 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/ef3768bd-4721-4ab7-8484-ee6a096c8cae

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/364973/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.32759.30171.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/79059aab91f5ac92608b8cf4c141925f567300265c5828220487596094a5c4f3
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f6accced-dd57-4ac3-90a6-0802268a4e1a
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1173229
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 806018 Sample: SIP101523.exe Startdate: 13/02/2023 Architecture: WINDOWS Score: 100 36 www.constantinopanama.com 2->36 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 4 other signatures 2->58 12 SIP101523.exe 19 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\...\zbqmmzwo.exe, PE32 12->34 dropped 15 zbqmmzwo.exe 12->15         started        process6 signatures7 68 Detected unpacking (changes PE section rights) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Tries to detect virtualization through RDTSC time measurements 15->72 74 Contains functionality to detect sleep reduction / modifications 15->74 18 zbqmmzwo.exe 15->18         started        process8 signatures9 44 Modifies the context of a thread in another process (thread injection) 18->44 46 Maps a DLL or memory area into another process 18->46 48 Sample uses process hollowing technique 18->48 50 Queues an APC in another process (thread injection) 18->50 21 explorer.exe 2 6 18->21 injected process10 dnsIp11 38 www.bukkaluy.com 172.67.200.17, 49727, 80 CLOUDFLARENETUS United States 21->38 40 www.ashfieldconsultancy.uk 199.59.243.222, 49725, 80 BODIS-NJUS United States 21->40 42 2 other IPs or domains 21->42 60 System process connects to network (likely due to code injection or exploit) 21->60 25 control.exe 21->25         started        28 autochk.exe 21->28         started        signatures12 process13 signatures14 62 Modifies the context of a thread in another process (thread injection) 25->62 64 Maps a DLL or memory area into another process 25->64 66 Tries to detect virtualization through RDTSC time measurements 25->66 30 cmd.exe 1 25->30         started        process15 process16 32 conhost.exe 30->32         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/79059aab91f5ac92608b8cf4c141925f567300265c5828220487596094a5c4f3/
Threat name:
Win32.Spyware.Noon
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Status:
Malicious
First seen:
2023-02-13 10:22:07 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
16 of 25 (64.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=peczvk4r6wwjeyelrt2mcqmsl5lhgabglrmcqiqeq5mwbfffytzq._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:k04s rat spyware stealer trojan
Link:
https://tria.ge/reports/230213-md8ngace88/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
b98fda303c4f1b1c24919d5515b1ea66450aeaa67fded9cfa47b9d5b638c8f8f
MD5 hash:
33bf3d74194455b3e451c4a85a526f2a
SHA1 hash:
9e6938c3d9475aca196bee1be3141877d4c50f5e
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/d57a6a84-3880-4fcd-a335-320e29cdbece/
Parent samples :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 hash:
3c1e13b056e0c7f50ad5ce641b2dbbd5071e81f02a383cdcf51aae940288cb03
MD5 hash:
034ea9b62608104385d25b6efb654b13
SHA1 hash:
b65db3ab99482643815518259debf68f8a4c95ff
Link:
https://www.unpac.me/results/d57a6a84-3880-4fcd-a335-320e29cdbece/
SH256 hash:
79059aab91f5ac92608b8cf4c141925f567300265c5828220487596094a5c4f3
MD5 hash:
fa9eafd7f4957b5d48ff3f93f066f04c
SHA1 hash:
63d5810ea804f6946ba66589685933a268f4cf76
Link:
https://www.unpac.me/results/d57a6a84-3880-4fcd-a335-320e29cdbece/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/79059aab91f5/report/overview.html
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/79059aab91f5ac92608b8cf4c141925f567300265c5828220487596094a5c4f3

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:meth_get_eip
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Author:Willi Ballenthin
Rule name:shellcode
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Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

Executable exe 79059aab91f5ac92608b8cf4c141925f567300265c5828220487596094a5c4f3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/364973/

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