MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 520f17dfba77b701c6efc365a7bf08f29584d54e0ea275db68cd15c528ba7581. 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: 15


Intelligence 15 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 520f17dfba77b701c6efc365a7bf08f29584d54e0ea275db68cd15c528ba7581
SHA3-384 hash: 31092f9aacfb7c481ae43cb3bc84dcee5dc3faba1fa2d7c57b01fbd6e4027e0dd9e098c8fa38c40b3b6e480d2325fcee
SHA1 hash: 8e004ed0c07e8d77dee25c6314382974d4de6d3d
MD5 hash: a107a4a7e0bc3f3efc90ab7ed8db712c
humanhash: video-july-mexico-beer
File name:a107a4a7e0bc3f3efc90ab7ed8db712c.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:440'792 bytes
First seen:2022-11-22 14:49:10 UTC
Last seen:2022-11-22 16:30:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:jEa0PXS18jHzrouDB+ODPkxyEOQGQEW0Z49243Xh3bDOCtD:Ki18jHPo44O0EWwE2+DOC1
TLSH T1D194AF16B771D927CE6943329DFBA7201660CF50B292C993728E7F1A356A232F5133E1
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 c0f0fcfcfcf8f808 (1 x Formbook, 1 x AveMariaRAT)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
373
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
RFS Vendor Registration Form 2022.xlsx
Verdict:
Malicious activity
Analysis date:
2022-11-22 10:42:18 UTC
Tags:
trojan exploit cve-2017-11882 loader formbook stealer
Link:
https://app.any.run/tasks/4a9efdac-d597-41d9-b39b-47b624f71ee9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/337272/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.5760.29246.725.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
DNS request
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/637ce19da0efd596b82f1e13/reports/82a85e68-1db2-4120-a0be-21c06b55f521/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a8750718-f827-4b02-a292-796df5c523c9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1119002
Signature
C2 URLs / IPs found in malware configuration
Machine Learning detection for dropped file
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 dropped file
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
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 751716 Sample: ZHVgtMerkl.exe Startdate: 22/11/2022 Architecture: WINDOWS Score: 100 36 www.kszq26.club 2->36 38 kszq26.club 2->38 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 Yara detected FormBook 2->56 58 3 other signatures 2->58 12 ZHVgtMerkl.exe 18 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\Temp\oftnu.exe, PE32 12->34 dropped 15 oftnu.exe 1 12->15         started        process6 signatures7 70 Multi AV Scanner detection for dropped file 15->70 72 Machine Learning detection for dropped file 15->72 74 Maps a DLL or memory area into another process 15->74 76 Tries to detect virtualization through RDTSC time measurements 15->76 18 oftnu.exe 15->18         started        21 conhost.exe 15->21         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 23 explorer.exe 18->23 injected process10 dnsIp11 40 kszq26.club 18.181.151.159, 80 AMAZON-02US United States 23->40 42 www.kszq26.club 23->42 60 System process connects to network (likely due to code injection or exploit) 23->60 62 Uses netstat to query active network connections and open ports 23->62 27 NETSTAT.EXE 23->27         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 27->64 66 Maps a DLL or memory area into another process 27->66 68 Tries to detect virtualization through RDTSC time measurements 27->68 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/520f17dfba77b701c6efc365a7bf08f29584d54e0ea275db68cd15c528ba7581/
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-11-22 10:55:52 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kihrpx52o63qdrxpyns2ppyi6kkyjvkob2rhlw3izuk4kkf2owaq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:h3ha rat spyware stealer trojan
Link:
https://tria.ge/reports/221122-r7kwqafh47/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Unpacked files
SH256 hash:
f0944ae44dd0a6582ad85c1fcaa0216326fccc86ebfd859febfae69c8a3062f6
MD5 hash:
7f965d791338f7fc3a4e5c28712c64cc
SHA1 hash:
ab3b6050f9d9fb02132132d1a4011c598e40abec
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/cc3f43a9-9583-427d-be0c-79991228e53f/
Parent samples :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 hash:
133abf2f3390042fd52734769251a9b4a27e4aff0770ea993a157c4eec089d12
MD5 hash:
5fb45160d90c25e7e151f6fffb31c0d5
SHA1 hash:
4365b3ac4f20a307d487c9d4b7dc0c026ef7cf34
Link:
https://www.unpac.me/results/cc3f43a9-9583-427d-be0c-79991228e53f/
SH256 hash:
520f17dfba77b701c6efc365a7bf08f29584d54e0ea275db68cd15c528ba7581
MD5 hash:
a107a4a7e0bc3f3efc90ab7ed8db712c
SHA1 hash:
8e004ed0c07e8d77dee25c6314382974d4de6d3d
Link:
https://www.unpac.me/results/cc3f43a9-9583-427d-be0c-79991228e53f/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/520f17dfba77/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/520f17dfba77b701c6efc365a7bf08f29584d54e0ea275db68cd15c528ba7581

File information

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

Web download

Formbook

Executable exe 520f17dfba77b701c6efc365a7bf08f29584d54e0ea275db68cd15c528ba7581

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2429803/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/337272/

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