MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8c864915e84ba7ec98eed5ed70893bcb5b328e59751694595a71b303ea587aa. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8c864915e84ba7ec98eed5ed70893bcb5b328e59751694595a71b303ea587aa
SHA3-384 hash: 2920dd476ac1bdefff628b685df19b4061da1e5ada3c0554a9ade3a9960664db6903d2a9bf6c7e37b729de697126d541
SHA1 hash: 45be2adda630b990e80f75b3feebb984695b61a2
MD5 hash: 60ac3b1ffdbd2251ee8d5a9ef4c7e4eb
humanhash: venus-alpha-carolina-pip
File name:PROFOMA INVOICE pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'339'392 bytes
First seen:2021-02-08 14:25:18 UTC
Last seen:2021-02-08 15:57:48 UTC
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:Kna8q/WM5rLjHU0eellTQseUW6LNYKP85VQnV+Woe2+F2lQXKp07:nH5XA0jPe5oO5VXg
Threatray 3'785 similar samples on MalwareBazaar
TLSH 6C554A42B2F85F62E47F93B885A8482117F27C08E335E66EBD7531EF1831B419656B23
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PROFOMA INVOICE pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-02-08 14:32:22 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/90b9ffb8-b056-4a31-982f-649f338e3b77

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/116058/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Stealer.23680.8346.28467.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/601870
Signature
.NET source code contains potential unpacker
Initial sample is a PE file and has a suspicious name
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
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 netsh to modify the Windows network and firewall settings
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: 349951 Sample: PROFOMA INVOICE  pdf.exe Startdate: 08/02/2021 Architecture: WINDOWS Score: 100 38 www.brpodiatrist2.com 2->38 40 www.cqwodeer.com 2->40 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Multi AV Scanner detection for dropped file 2->52 54 10 other signatures 2->54 11 PROFOMA INVOICE  pdf.exe 7 2->11         started        signatures3 process4 file5 32 C:\Users\user\AppData\Roaming\BvLEoEhWx.exe, PE32 11->32 dropped 34 C:\Users\user\AppData\Local\Temp\tmp4BB.tmp, XML 11->34 dropped 36 C:\Users\...\PROFOMA INVOICE  pdf.exe.log, ASCII 11->36 dropped 14 PROFOMA INVOICE  pdf.exe 11->14         started        17 schtasks.exe 1 11->17         started        process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 42 fwd3.hosts.co.uk 85.233.160.22, 49748, 80 ISIONUKNamescoLimitedGB United Kingdom 19->42 44 www.contrarrie.com 23.226.65.211, 49745, 80 IOFLOODUS United States 19->44 46 8 other IPs or domains 19->46 56 System process connects to network (likely due to code injection or exploit) 19->56 25 netsh.exe 19->25         started        signatures10 process11 signatures12 58 Modifies the context of a thread in another process (thread injection) 25->58 60 Maps a DLL or memory area into another process 25->60 62 Tries to detect virtualization through RDTSC time measurements 25->62 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c8c864915e84ba7ec98eed5ed70893bcb5b328e59751694595a71b303ea587aa/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-07 14:33:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zdegjek6qs5h5smo5vpnocetxs23gkhfs5iwsrmvu4ntapvfq6va._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
18030a9ea4cf60ea858db8b302cdd94962069f232be6212787ad1ddca0bbbe54
Formbook
3550ff88757875f1e8566d7855eacb36fa3213a1537d4125555bc71a88d55018
Formbook
48d3a3e4c8e3ee8168d1f0b24f1d57ba7f7f66628f7f81ee9dab9f9f26aadfd7
Formbook
4c51f78fbe90c4455d1a0c1f45ff575571974df030b1ea188bf9ab67f4552c68
Formbook
72c822dc6059af0f57f65a9e52a509e30caefe4225367c3eec186f013134d54f
Formbook
7c8c0bb9a552f62aa1ef1e5c037ef17b2064055d15025eea8c6b2b5ccd54f10e
Formbook
8cfcf36016d933b2dee4ecea9f2d0416444fda668345c0cf82845f49962cd013
Formbook
94ff08030a3e4421baf3ad3489d4d757dd4e8aab659aa8a06f99d2d81526d17e
Formbook
970aa1ea39079684830789ad8c5c9cbf9777b65fdb44130aa8bbe4b88245e6fc
Formbook
e16e2748ad4a210f438886c9a564feb8e43e3f1396446fbcdda1512a648955d0
Formbook
+ 3'775 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook ransomware rat spyware stealer trojan
Link:
https://tria.ge/reports/210208-zgtkmpg2mx/
Behaviour
Creates scheduled task(s)
Gathers network information
Suspicious behavior: EnumeratesProcesses
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
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.brasilseo.com/bft/
Unpacked files
SH256 hash:
d24e66e58c2c85b4f7ed37422e189f85fc64cfdc4acecfca8324c6d0c57eaba7
MD5 hash:
1d3bee0d88895bc916980c8e277e950e
SHA1 hash:
912db89d8fde5a72e286810dfa5177a6f8e202e9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/a7a7ab56-1484-42b0-9c42-5f07579d477f/
Parent samples :
7c8c0bb9a552f62aa1ef1e5c037ef17b2064055d15025eea8c6b2b5ccd54f10e
cddf575d340c695e513d03330965f716f8ddf17f5d2fb0929fbb78875653d8b7
72c822dc6059af0f57f65a9e52a509e30caefe4225367c3eec186f013134d54f
48d3a3e4c8e3ee8168d1f0b24f1d57ba7f7f66628f7f81ee9dab9f9f26aadfd7
c8c864915e84ba7ec98eed5ed70893bcb5b328e59751694595a71b303ea587aa
3550ff88757875f1e8566d7855eacb36fa3213a1537d4125555bc71a88d55018
726a32ca7c910d88e59d2d2364def087b00b9c869ef29926016884def6457b6b
cc768b0d5c345d446eacb21922c6561e763015cc6782fdde5a051e1d4fe56acf
2a5b157dc8c983424ebc3a69962649236e17001585de6280cf11f4d94742d28e
2dce266f65b63c927ddf95e71bb0d226eb1c8b260ba8a6965ba1352e9fa837af
SH256 hash:
2b2bcf851c2b87033fd24c890c2a1de3642564f7cec7282982d96b8280baa849
MD5 hash:
befb0470c71d676cc891cba16088975d
SHA1 hash:
5b7143f97d1d656fd1cacf70949048c1951b639a
Link:
https://www.unpac.me/results/a7a7ab56-1484-42b0-9c42-5f07579d477f/
SH256 hash:
c8c864915e84ba7ec98eed5ed70893bcb5b328e59751694595a71b303ea587aa
MD5 hash:
60ac3b1ffdbd2251ee8d5a9ef4c7e4eb
SHA1 hash:
45be2adda630b990e80f75b3feebb984695b61a2
Link:
https://www.unpac.me/results/a7a7ab56-1484-42b0-9c42-5f07579d477f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c8c864915e84ba7ec98eed5ed70893bcb5b328e59751694595a71b303ea587aa

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
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/116058/

Comments