MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 800057538448120a90c2abb139e7e48066a61ab05651aa28f608c7c79c676c2f. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 800057538448120a90c2abb139e7e48066a61ab05651aa28f608c7c79c676c2f
SHA3-384 hash: d18ae07f53cd72030d28f9488a736a5feb1a892787c085cda3aac4684c0e1bd3383b0b2ff202e594448e1b37631d8ce3
SHA1 hash: 43e820b17ead3d83965502c6a97ee286465438c2
MD5 hash: b5399b03664cf5ece83ea6b9c4bd3b54
humanhash: friend-west-violet-fish
File name:Payslip 3-3-pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'060'864 bytes
First seen:2021-03-03 09:41:40 UTC
Last seen:2021-03-10 01:56:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:l7Ev8EmS+0CuCKa3hNV0e3uMs9QYzEWLnKRWu3/bH:lO6usDZs9XFLKRtD
Threatray 3'917 similar samples on MalwareBazaar
TLSH 9135ADE816A93CD8F1B1DF3179F82591A2FA7573E60DE9493462D2F9701A890CB70378
Reporter GovCERT_CH
Tags:FormBook

Intelligence

File Origin
# of uploads :
12
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payslip 3-3-pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-03-03 09:46:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7ee7d9e1-2197-4efa-af72-355ca7f844ed

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/121314/
Detection(s):
SecuriteInfo.com.ArtemisB5399B03664C.18091.15347.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
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/625869
Signature
.NET source code contains very large strings
Antivirus detection for URL or domain
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Found 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 domain / URL
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
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: 361921 Sample: Payslip 3-3-pdf.exe Startdate: 03/03/2021 Architecture: WINDOWS Score: 100 42 www.petsglorious.com 2->42 44 www105.wixdns.net 2->44 46 3 other IPs or domains 2->46 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 14 other signatures 2->60 11 Payslip 3-3-pdf.exe 7 2->11         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\HYcbmZmNrb.exe, PE32 11->34 dropped 36 C:\Users\...\HYcbmZmNrb.exe:Zone.Identifier, ASCII 11->36 dropped 38 C:\Users\user\AppData\Local\...\tmp5601.tmp, XML 11->38 dropped 40 C:\Users\user\...\Payslip 3-3-pdf.exe.log, ASCII 11->40 dropped 14 Payslip 3-3-pdf.exe 11->14         started        17 schtasks.exe 1 11->17         started        19 Payslip 3-3-pdf.exe 11->19         started        process6 signatures7 70 Modifies the context of a thread in another process (thread injection) 14->70 72 Maps a DLL or memory area into another process 14->72 74 Sample uses process hollowing technique 14->74 76 Queues an APC in another process (thread injection) 14->76 21 explorer.exe 14->21 injected 25 conhost.exe 17->25         started        process8 dnsIp9 48 midnightsunhi.com 69.16.200.142, 49764, 80 LIQUIDWEBUS United States 21->48 50 shakahats.com 23.229.226.6, 49765, 80 AS-26496-GO-DADDY-COM-LLCUS United States 21->50 52 3 other IPs or domains 21->52 62 System process connects to network (likely due to code injection or exploit) 21->62 27 cmd.exe 21->27         started        signatures10 process11 signatures12 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        process13 process14 32 conhost.exe 30->32         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/800057538448120a90c2abb139e7e48066a61ab05651aa28f608c7c79c676c2f/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-03 02:55:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
44
AV detection:
4 of 47 (8.51%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qaafou4ejajavegcvoyttz7eqbtkmgvqkzi2ukhwbdd4phdhnqxq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
Formbook
1a859f18a203b53f7c893f9e3d3cbfeb6bd9c0d479f1ddd5626ba4c9eb34e670
Formbook
5180e6ef19db039d8365f3cb9690424e61504a80ab94a12738a633b6cdc5fccb
Formbook
56368dfb68347ec22ba4d8d1d16e1acc9dbf37acf30803ef92f75f27f0a6a6a5
Formbook
6cd6c9e9634dd601a9826bf8a8f1ef736e9215e19643eea904d7b7c939a8fa48
Formbook
720ffc99aa96c665aae27db46f776476c37ca113db207790579adfd81c73ad05
Formbook
78f83f782f8d2077dd50d65badb4ed36ec24c029241287f76560e60733b61c29
Formbook
92737036f323b1c72064c1e8038a942266435048a3ce4847f7e5b29558376c1c
Formbook
ef77a8918ed19e4c73ba620ee2fba77e1058d8b132768ef034dc10322d560aa0
Formbook
f130539b2d2324246449abb99f5a0effb214feee629b092d48ac63aca14e2ba6
Formbook
+ 3'907 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210303-4l37p772je/
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
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.unitedfootballcamps.com/bf3/
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
Link:
https://www.unpac.me/results/4ed9fcde-fc4b-43ce-87fc-04cb657f4a6c/
SH256 hash:
800057538448120a90c2abb139e7e48066a61ab05651aa28f608c7c79c676c2f
MD5 hash:
b5399b03664cf5ece83ea6b9c4bd3b54
SHA1 hash:
43e820b17ead3d83965502c6a97ee286465438c2
Link:
https://www.unpac.me/results/4ed9fcde-fc4b-43ce-87fc-04cb657f4a6c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/800057538448120a90c2abb139e7e48066a61ab05651aa28f608c7c79c676c2f

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
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
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 a83d3c782cd7b1a356824a3b556306c7efa19111c432f5a70d34bd7bd53c9985

Formbook

Executable exe 800057538448120a90c2abb139e7e48066a61ab05651aa28f608c7c79c676c2f

(this sample)

  
Dropped by
MD5 0c7838f97396a7beeda6dda35d1c22cf
  
Dropped by
SHA256 a83d3c782cd7b1a356824a3b556306c7efa19111c432f5a70d34bd7bd53c9985
  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/121314/

Comments