MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be7a4fb3ed179c2483130cd6bb808039ae004eb6b68c7082b3a8291f802facc7. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
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SHA256 hash: be7a4fb3ed179c2483130cd6bb808039ae004eb6b68c7082b3a8291f802facc7
SHA3-384 hash: 0e7eca5bcda13598e6e5e46152f0d932ccd0ac308cc6f8d631b0c820576d4b83f7c6d02d5a077c138e65c6b23e909ab0
SHA1 hash: 53b49fb415f3ea42e19b39242d7796732c0f3832
MD5 hash: 439ac6a3ad49bd1ec4d2458c9b5a3b76
humanhash: lion-six-north-utah
File name:nova narudžba.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:884'736 bytes
First seen:2021-04-15 08:39:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:Sg7gYK119AcpnRJ+2rrs27Vch2RtJ6h8QrBCY+B66hECo0K:Sg7gYlaRJ+2sGcUD1kCp66sb
Threatray 4'784 similar samples on MalwareBazaar
TLSH 1115795132B7C215D6EA1F78509C1D141EB1AD026923E70D2AA675EF1BB27C38F1EF82
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
nova narudžba.exe
Verdict:
Malicious activity
Analysis date:
2021-04-15 08:54:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/595b8d62-614b-460b-9f9b-cd468d0ed787

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/134704/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.646-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
SUSPICIOUS
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/677151
Signature
Adds a directory exclusion to Windows Defender
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 dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 387525 Sample: nova narud#U017eba.exe Startdate: 15/04/2021 Architecture: WINDOWS Score: 100 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 9 other signatures 2->58 10 nova narud#U017eba.exe 7 2->10         started        process3 file4 40 C:\Users\user\AppData\Roaming\zVJGsjTj.exe, PE32 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmp9C6F.tmp, XML 10->42 dropped 44 C:\Users\user\...\nova narud#U017eba.exe.log, ASCII 10->44 dropped 60 Writes to foreign memory regions 10->60 62 Adds a directory exclusion to Windows Defender 10->62 64 Injects a PE file into a foreign processes 10->64 14 RegSvcs.exe 10->14         started        17 RegSvcs.exe 10->17         started        19 powershell.exe 24 10->19         started        21 3 other processes 10->21 signatures5 process6 signatures7 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Sample uses process hollowing technique 14->70 72 Queues an APC in another process (thread injection) 14->72 23 explorer.exe 14->23 injected 74 Tries to detect virtualization through RDTSC time measurements 17->74 25 conhost.exe 19->25         started        27 conhost.exe 21->27         started        29 conhost.exe 21->29         started        31 conhost.exe 21->31         started        process8 process9 33 WWAHost.exe 23->33         started        signatures10 46 Modifies the context of a thread in another process (thread injection) 33->46 48 Maps a DLL or memory area into another process 33->48 50 Tries to detect virtualization through RDTSC time measurements 33->50 36 cmd.exe 33->36         started        process11 process12 38 conhost.exe 36->38         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/be7a4fb3ed179c2483130cd6bb808039ae004eb6b68c7082b3a8291f802facc7/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-04-15 08:40:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
47
AV detection:
7 of 47 (14.89%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xz5e7m7nc6ocjaytbtllxaeahgxaatvww2ghbavtvaur7abpvtdq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2080ae2cfe843c0e1754f994b356086718dd6dceedf974ca37b629fb4da817a6
Formbook
4219d83b725625bc780dbf37cb794fb68b289697d37372ba44a496af27bc7827
Formbook
56368dfb68347ec22ba4d8d1d16e1acc9dbf37acf30803ef92f75f27f0a6a6a5
Formbook
5d617282230f991221360f213e15b0e62d0c462afc3d32299c9b410658fbb106
Formbook
779eeda6d0720fba8df941954d1bd4c04d4b60e1488b562ec2a77c37c72796c4
Formbook
78f83f782f8d2077dd50d65badb4ed36ec24c029241287f76560e60733b61c29
Formbook
93fae9b54c0f1960139aa4007a0b8f695d61cdc5219fbfbe885c850a4f43a92d
Formbook
adcc2671f1168261ceace2da6f28a79e0b3bc2f774fac1d79f4628f494951d24
Formbook
bc0cc9f45e5a3b9f2f1815c4787849ebd8ab71d72aca809b687bc462ec9b5899
Formbook
f130539b2d2324246449abb99f5a0effb214feee629b092d48ac63aca14e2ba6
Formbook
+ 4'774 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook evasion rat spyware stealer trojan
Link:
https://tria.ge/reports/210415-cnykgayk9e/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.quetech.info/ykl/
Unpacked files
SH256 hash:
5e0f3da625a479a5e7e807b5f09c889d95474139410b312ba3a39bcb05976729
MD5 hash:
3d20c2ea9ac04e1707f853bb1780bc18
SHA1 hash:
805e90b023eb92d44bbe11daefce6edbe872cb74
Link:
https://www.unpac.me/results/fbda958c-c1ff-4fbd-9562-1730a396b326/
SH256 hash:
be7a4fb3ed179c2483130cd6bb808039ae004eb6b68c7082b3a8291f802facc7
MD5 hash:
439ac6a3ad49bd1ec4d2458c9b5a3b76
SHA1 hash:
53b49fb415f3ea42e19b39242d7796732c0f3832
Link:
https://www.unpac.me/results/fbda958c-c1ff-4fbd-9562-1730a396b326/
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/be7a4fb3ed179c2483130cd6bb808039ae004eb6b68c7082b3a8291f802facc7

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

File information

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

Malspam

Formbook

zip 8369bd63517c94a16960d6cb5cb57867e75e4b9f7cf85ab1f92e97c4ee04d84f

Formbook

Executable exe be7a4fb3ed179c2483130cd6bb808039ae004eb6b68c7082b3a8291f802facc7

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 8369bd63517c94a16960d6cb5cb57867e75e4b9f7cf85ab1f92e97c4ee04d84f
Cape
Cape
https://www.capesandbox.com/analysis/134704/

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