MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf63918e0cb789a778c7eac7c1b5d896db35caa3fa9fd179b95a4101f5856af7. 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 File information Comments

SHA256 hash: cf63918e0cb789a778c7eac7c1b5d896db35caa3fa9fd179b95a4101f5856af7
SHA3-384 hash: c860d33ea4a1ce0278aa7334b1d62eef658798daf46634f3d0254a9f0cbc2a138431ae0d9a068c570a41059f7955bf30
SHA1 hash: 5c15819e25ad22325097863803a639ab205d17e2
MD5 hash: 75cdd33d69536dd19e8d0d1bf70a6407
humanhash: chicken-oscar-florida-foxtrot
File name:Project review_Pdf.exe
Download: download sample
Signature Formbook
File size:908'800 bytes
First seen:2021-01-12 20:48:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:frI3l4sf8HtlzFSJYnYE12kJh1cuf0nuqr9p0ynOzvr65pS+s:NsIX2uYEz8uqxpyLqpS+s
TLSH 77158C509B929B61D7AC22FE144500A127E5CF75A3E8DB68ECD570B2AF76B2801FD1C3
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Creating a window
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Sample uses process hollowing technique
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 338820 Sample: Project review_Pdf.exe Startdate: 12/01/2021 Architecture: WINDOWS Score: 100 36 www.elementclubhouse.com 2->36 38 elementclubhouse.com 2->38 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 8 other signatures 2->48 11 Project review_Pdf.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\user\...\Project review_Pdf.exe.log, ASCII 11->28 dropped 14 Project review_Pdf.exe 11->14         started        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 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.chicagoarthaus.com 188.40.28.34, 49743, 80 HETZNER-ASDE Germany 17->30 32 smokindeebflavors.com 128.199.234.84, 49745, 80 DIGITALOCEAN-ASNUS United Kingdom 17->32 34 6 other IPs or domains 17->34 40 System process connects to network (likely due to code injection or exploit) 17->40 21 msiexec.exe 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.DelShad
Status:
Malicious
First seen:
2021-01-12 20:17:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
18 of 46 (39.13%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
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 system info in registry
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.workonlinetimallen.com/dll/
Unpacked files
SH256 hash:
cf63918e0cb789a778c7eac7c1b5d896db35caa3fa9fd179b95a4101f5856af7
MD5 hash:
75cdd33d69536dd19e8d0d1bf70a6407
SHA1 hash:
5c15819e25ad22325097863803a639ab205d17e2
SH256 hash:
3d6da1b16266dc55f1e7d5b12bac336e5c44b62532b497a159eeafaced5ab318
MD5 hash:
5464fab01da70a92e142635f4217d704
SHA1 hash:
52870d0b51331347fdac1f1d3c826c40ab3ced7c
SH256 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

  
Delivery method
Other

Comments