MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc52523013f9198bf95daa7b6f6a597b518273b54c50635784deee1e3c9dd991. 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 File information Comments

SHA256 hash: fc52523013f9198bf95daa7b6f6a597b518273b54c50635784deee1e3c9dd991
SHA3-384 hash: 2a165eb938ae3aaff7fdb794d4718cf8505867d802a135cc888d1dd6bea67800d2d2012adc57c70f6085e905c584d73e
SHA1 hash: fd9833b62d81ee4ee5c143947807c7fcd3b030a5
MD5 hash: b9b729c0e574d4d8344c9e7c1a98532a
humanhash: purple-gee-eleven-fifteen
File name:specification.exe
Download: download sample
Signature Formbook
File size:640'000 bytes
First seen:2023-05-15 10:23:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:EqUmmlA7mYCjbWesUeGetrgOUz2rMnZD9/Ec5cH:Wmm+7mY3esUeGetrFo2EZDDK
Threatray 2'885 similar samples on MalwareBazaar
TLSH T1A1D4CF89123BBFE2D96817F0611434824B7DA11A74B8F0FC6D9BB4C9C8DAB114BD4B67
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
242
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
specification.exe
Verdict:
Malicious activity
Analysis date:
2023-05-12 12:52:19 UTC
Tags:
formbook xloader trojan stealer

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

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Sigma detected: Scheduled temp file as task from temp location
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 866609 Sample: specification.exe Startdate: 15/05/2023 Architecture: WINDOWS Score: 100 55 www.abvqwrtqwt.com 2->55 67 Found malware configuration 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus detection for URL or domain 2->71 73 7 other signatures 2->73 11 specification.exe 7 2->11         started        15 QrbqdDww.exe 5 2->15         started        signatures3 process4 file5 47 C:\Users\user\AppData\Roaming\QrbqdDww.exe, PE32 11->47 dropped 49 C:\Users\...\QrbqdDww.exe:Zone.Identifier, ASCII 11->49 dropped 51 C:\Users\user\AppData\Local\...\tmp8CD8.tmp, XML 11->51 dropped 53 C:\Users\user\...\specification.exe.log, ASCII 11->53 dropped 81 Uses schtasks.exe or at.exe to add and modify task schedules 11->81 83 Adds a directory exclusion to Windows Defender 11->83 85 Tries to detect virtualization through RDTSC time measurements 11->85 17 specification.exe 11->17         started        20 powershell.exe 20 11->20         started        22 schtasks.exe 1 11->22         started        87 Multi AV Scanner detection for dropped file 15->87 89 Machine Learning detection for dropped file 15->89 91 Injects a PE file into a foreign processes 15->91 24 QrbqdDww.exe 15->24         started        26 schtasks.exe 1 15->26         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 17->59 61 Maps a DLL or memory area into another process 17->61 63 Sample uses process hollowing technique 17->63 65 Queues an APC in another process (thread injection) 17->65 28 explorer.exe 1 17->28 injected 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 26->36         started        process9 dnsIp10 57 www.expresspestcontrol.net 192.64.119.26, 49701, 80 NAMECHEAP-NETUS United States 28->57 93 System process connects to network (likely due to code injection or exploit) 28->93 95 Uses netsh to modify the Windows network and firewall settings 28->95 38 cmmon32.exe 28->38         started        41 netsh.exe 28->41         started        signatures11 process12 signatures13 75 Modifies the context of a thread in another process (thread injection) 38->75 77 Maps a DLL or memory area into another process 38->77 79 Tries to detect virtualization through RDTSC time measurements 38->79 43 cmd.exe 1 38->43         started        process14 process15 45 conhost.exe 43->45         started       
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2023-05-11 14:31:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:o17i rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
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
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
7d315560fe6dd2b7ca6214d539a540938cb148969628ede47f9348f882033a4b
MD5 hash:
9ee7ebc404ce9aa851693ac5302fc0e9
SHA1 hash:
feed60fd6a8ad99b0d41d5e9be3541b0f67af93d
SH256 hash:
c72ca892abebd8794a9544913d071c3c91356f5075509717727e180e87cb98ba
MD5 hash:
25383385b11436b817ed4dc0419f4e24
SHA1 hash:
9441f35f45a30503ebb2c717209f29341b5b48b6
SH256 hash:
048ae4b9d3748d6473b3bed7d71ef7db14cd407fee7e67968ff904513be6bc7a
MD5 hash:
967999fd73b366bc49ae4b703d9e4695
SHA1 hash:
2a7969cdf9179c32c3d9114e9f4cd1bf26ecd8bb
SH256 hash:
79ceb8638a5f7a503d76bb1625b0ef3696f4c3413b586205f138df648f17c28e
MD5 hash:
d817a29fe7c60dc29df654e525d2bc0a
SHA1 hash:
17e7edfccd5fe6e25f6ed430fc5870b2049ba82a
SH256 hash:
fc52523013f9198bf95daa7b6f6a597b518273b54c50635784deee1e3c9dd991
MD5 hash:
b9b729c0e574d4d8344c9e7c1a98532a
SHA1 hash:
fd9833b62d81ee4ee5c143947807c7fcd3b030a5
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe fc52523013f9198bf95daa7b6f6a597b518273b54c50635784deee1e3c9dd991

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments