MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84de052507d92575b15db6e247696f77f71b02902a15319baa83dacaa333a775. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 84de052507d92575b15db6e247696f77f71b02902a15319baa83dacaa333a775
SHA3-384 hash: dbeb32eed843931deb326b3207ee0501f42f3362b0af25327c728e9cfc80d385984819f6cf3bf4c2e21a86858d45c33b
SHA1 hash: 42dd178f4baf8e66addb90337975c182386f88ae
MD5 hash: 09e2742784afbd7c3fc9b447d6015afb
humanhash: white-missouri-venus-lithium
File name:scan_pdf.scr
Download: download sample
Signature Formbook
File size:600'064 bytes
First seen:2021-07-03 06:08:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:RVR+FSzUFjiiVcWKBx0s/fGhxb0kKj41qd0tkNLE+U5l9vd:TP0DCWSxb/enLKjKqCSNLvgl
TLSH 41D4122835EDB07DE073DE775AF87DE4BA68B6333A13551E2193068A860ED41CEE0476
Reporter abuse_ch
Tags:exe FormBook scr

Intelligence


File Origin
# of uploads :
1
# of downloads :
160
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
scan_pdf.scr
Verdict:
Malicious activity
Analysis date:
2021-07-03 06:21:18 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sigma detected: CMSTP Execution Process Creation
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 443776 Sample: scan_pdf.scr Startdate: 03/07/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 8 other signatures 2->42 10 scan_pdf.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\scan_pdf.exe.log, ASCII 10->30 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 scan_pdf.exe 10->14         started        17 scan_pdf.exe 10->17         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Queues an APC in another process (thread injection) 14->60 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.celinehair.com 19->32 34 celinehair.com 34.102.136.180, 49745, 80 GOOGLEUS United States 19->34 44 System process connects to network (likely due to code injection or exploit) 19->44 23 cmstp.exe 19->23         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 23->46 48 Maps a DLL or memory area into another process 23->48 50 Tries to detect virtualization through RDTSC time measurements 23->50 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-02 07:27:03 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.celinehair.com/e7hf/
Unpacked files
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
SH256 hash:
d0d9ebf9507d2421d3d298e2ffcd09a208897aa618332e1b5c4e9b23fe9aa4e7
MD5 hash:
26bfc0ecee1109cbab147a55ffd4f8f1
SHA1 hash:
486297035920e12ee7b8ae77b43284e2c2ffd137
SH256 hash:
84de052507d92575b15db6e247696f77f71b02902a15319baa83dacaa333a775
MD5 hash:
09e2742784afbd7c3fc9b447d6015afb
SHA1 hash:
42dd178f4baf8e66addb90337975c182386f88ae
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe 84de052507d92575b15db6e247696f77f71b02902a15319baa83dacaa333a775

(this sample)

  
Delivery method
Distributed via e-mail attachment

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