MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7df633d240b956e23b7328ae7121f7efc2a80090dbe38f2e0138d90084a795fe. 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: 7


Intelligence 7 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7df633d240b956e23b7328ae7121f7efc2a80090dbe38f2e0138d90084a795fe
SHA3-384 hash: 1e08850a8573d7c9e79ff9d85c1db682eaffef1e332d8ad0413d1e731c3f083b012134bb88820ad023f418a8b566e53c
SHA1 hash: 91f943a7793eb56c425693ff7f3bfa206cc64ea2
MD5 hash: 0d38fa5f3688fd03f6ed4a1185427d9c
humanhash: coffee-massachusetts-india-oscar
File name:nalog za kupovinu.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:732'160 bytes
First seen:2020-07-30 10:07:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:y0WZcIa6tnCQ5T7ArqLqsQ/TwCtOg9XTth+KLRH8pC39p96X8Uj:y0KcITtX5X7qskJtDdTth+EtP3l
Threatray 4'964 similar samples on MalwareBazaar
TLSH EDF4C0047B90E54FC6AF8F7AC6D44800EDB8E9964A1BE38774C133BF18CE36AA905575
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

From: Venera Vukasinovic <office@adamsped.co.rs>
Subject: Re: nalog za kupovinu
Attachment: nalog za kupovinu.zip (contains "nalog za kupovinu.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/35458/
Detection(s):
SecuriteInfo.com.CIL.HeapOverride.Heur.3309.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/403499
Signature
Benign windows process drops PE files
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected FormBook malware
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)
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 253976 Sample: nalog za kupovinu.exe Startdate: 30/07/2020 Architecture: WINDOWS Score: 100 56 www.chaiseloungereviews.com 2->56 58 g.msn.com 2->58 60 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->60 68 Malicious sample detected (through community Yara rule) 2->68 70 Sigma detected: Scheduled temp file as task from temp location 2->70 72 Yara detected AntiVM_3 2->72 74 7 other signatures 2->74 11 nalog za kupovinu.exe 5 2->11         started        signatures3 process4 file5 44 C:\Users\user\AppData\...\&startupname&.exe, PE32 11->44 dropped 46 C:\Users\user\AppData\Local\Temp\tmp6D5.tmp, XML 11->46 dropped 48 C:\...\&startupname&.exe:Zone.Identifier, ASCII 11->48 dropped 50 C:\Users\user\...\nalog za kupovinu.exe.log, ASCII 11->50 dropped 14 RegSvcs.exe 11->14         started        17 RegSvcs.exe 11->17         started        19 schtasks.exe 1 11->19         started        process6 signatures7 88 Modifies the context of a thread in another process (thread injection) 14->88 90 Maps a DLL or memory area into another process 14->90 92 Sample uses process hollowing technique 14->92 94 Queues an APC in another process (thread injection) 14->94 21 explorer.exe 1 6 14->21 injected 96 Tries to detect virtualization through RDTSC time measurements 17->96 26 conhost.exe 19->26         started        process8 dnsIp9 62 landbank.site 184.168.131.241, 49725, 80 AS-26496-GO-DADDY-COM-LLCUS United States 21->62 64 www.websprings.online 21->64 66 www.landbank.site 21->66 42 C:\Users\user\AppData\Local\...\pra9rudu.exe, PE32 21->42 dropped 76 System process connects to network (likely due to code injection or exploit) 21->76 78 Benign windows process drops PE files 21->78 28 cmstp.exe 1 17 21->28         started        32 pra9rudu.exe 2 21->32         started        34 autochk.exe 21->34         started        file10 signatures11 process12 file13 52 C:\Users\user\AppData\...\453logrv.ini, data 28->52 dropped 54 C:\Users\user\AppData\...\453logri.ini, data 28->54 dropped 80 Detected FormBook malware 28->80 82 Tries to steal Mail credentials (via file access) 28->82 84 Tries to harvest and steal browser information (history, passwords, etc) 28->84 86 3 other signatures 28->86 36 cmd.exe 1 28->36         started        38 conhost.exe 32->38         started        signatures14 process15 process16 40 conhost.exe 36->40         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7df633d240b956e23b7328ae7121f7efc2a80090dbe38f2e0138d90084a795fe/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-30 10:09:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=px3dhusaxfloeo3tfcxhcipx57bkqaeq3pry6lqbhdmqbbfhsx7a._file
Verdict:
malicious
Similar samples:
2f9d83d844287396dcaf52b5c15c1dacc92bc4ae2e2777d24c8d09465037ace3
FormBook
5919e2d01fbc46e0aedd07630294976681fbb688e1b226dab43e60309747a877
FormBook
6d176caf6c21bdc47aa0ee2e6e42f37d2f4c4a810af40dd7343da25cfd306bd5
FormBook
aa4fad19caeb7d4d9abd68155eee268619442c6cfc8a69c2bc337dd4efdf4b4d
FormBook
bc207dbe79daf9a2da67fd90beef3fbe5db670288fd9c1da72ccda9c65d3d028
FormBook
c2100ac52466885fcb64010897d0c7a4178a5c00c47e13261f66976b38f26aaf
FormBook
c37b5db790caaad96b2ae291910803a016cdae230b743bc2029a21ded85b9f03
FormBook
e3262e18e77da24473b5af2117f10a3121c8ed1a832c6e1b0f5a8f0d7e5fecda
FormBook
f19931c3ed4df0c75c53daf0e7af1cfe86fc369b0fe99c1557f0b3708a78e868
FormBook
ffaada37aa4934d94b43628a932058196e3e9d5b4375873fa440c8c2bde97326
FormBook
+ 4'954 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200730-2z5gfhn3an/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/7df633d240b956e23b7328ae7121f7efc2a80090dbe38f2e0138d90084a795fe

File information

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

Malspam

FormBook

zip 3214e7cd557426e9574963492a10f788d059f53c08ace388341fcfed32945c36

FormBook

Executable exe 7df633d240b956e23b7328ae7121f7efc2a80090dbe38f2e0138d90084a795fe

(this sample)

  
Dropped by
MD5 a1599230c870d5ca9dd1770cabdd28ae
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/35458/
  
Dropped by
SHA256 3214e7cd557426e9574963492a10f788d059f53c08ace388341fcfed32945c36

Comments