MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d16da4e6a63f26601dd3c961f31708db79be1aead7cf3834fafa47095b1a45a6. 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: 11
| SHA256 hash: | d16da4e6a63f26601dd3c961f31708db79be1aead7cf3834fafa47095b1a45a6 |
|---|---|
| SHA3-384 hash: | b43c9caa844ac2220d4592d1abcf9caf97b059efe3464e2fc20aeacffb0a06179d609784141ad713163a602e57d91d87 |
| SHA1 hash: | 256c21d905602953d3beff30aba518af5b9bef2f |
| MD5 hash: | 81a3fbaed8ef79687f45554966985c20 |
| humanhash: | carolina-fruit-cat-vermont |
| File name: | bnvver12345.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 264'819 bytes |
| First seen: | 2021-10-04 15:16:57 UTC |
| Last seen: | 2021-10-04 16:29:21 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger) |
| ssdeep | 6144:F8LxBsmDB6vHIWPnKJ0wzHOULGw9EAoobZK1vQtDzj9iJpV6G4:/mYHIWPnKJd7JoobkvQtDv9vG4 |
| Threatray | 9'880 similar samples on MalwareBazaar |
| TLSH | T1AF4412663B81D6EBD9CA0AF12C336B35F23E9005142A6B4B8BF81D7F1E510C7875661B |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
3
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bnvver12345.exe
Verdict:
Malicious activity
Analysis date:
2021-10-04 15:26:30 UTC
Tags:
trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
DNS request
Connection attempt
Sending an HTTP GET request
Setting browser functions hooks
Possible injection to a system process
Unauthorized injection to a system process
Deleting of the original file
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
overlay packed
Verdict:
Unknown
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.Tnega
Status:
Malicious
First seen:
2021-10-04 14:26:17 UTC
AV detection:
24 of 45 (53.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 9'870 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:rv9n rat spyware stealer trojan
Behaviour
Gathers network information
Modifies registry class
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.cjspizza.net/rv9n/
Unpacked files
SH256 hash:
d16da4e6a63f26601dd3c961f31708db79be1aead7cf3834fafa47095b1a45a6
MD5 hash:
81a3fbaed8ef79687f45554966985c20
SHA1 hash:
256c21d905602953d3beff30aba518af5b9bef2f
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Dropped by
formbook
Delivery method
Distributed via e-mail attachment
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