MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4f99372e8c06a6ea2bbb9c6841626ea48ad62b8ee89f3ae853c0e0b1b48ef76c. 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: 12
| SHA256 hash: | 4f99372e8c06a6ea2bbb9c6841626ea48ad62b8ee89f3ae853c0e0b1b48ef76c |
|---|---|
| SHA3-384 hash: | 54d24bb8ade2eb74796acdc0c39ab2c6852d0e0497ee21e435a78efbf0df1cf6db4db877b5020e65b0ffbbfd79871c43 |
| SHA1 hash: | e1d927103db2627cceab7b8ae56d244dd6b48e67 |
| MD5 hash: | ff6c071630f88faed4815a8d4ce30263 |
| humanhash: | arkansas-mississippi-helium-india |
| File name: | Order doc.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 257'488 bytes |
| First seen: | 2021-10-20 12:03:37 UTC |
| Last seen: | 2021-10-20 13:21:40 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger) |
| ssdeep | 6144:wBlL/crE9fyejo2J3V8o/BnJAMagbzvcSlToHP/YGFgqmH:Ceg9fnoyVtJRkSxonYOmH |
| Threatray | 10'794 similar samples on MalwareBazaar |
| TLSH | T19444121A51519CE7D1D70DB28DBA3A39E7B6C238D43024DBA3F59F7F2A252C1630D682 |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  adrian__luca |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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
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.
Verdict:
Malicious
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
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 dropped file
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
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Spyware.Noon
Status:
Malicious
First seen:
2021-10-20 08:33:02 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 10'784 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:dn7r 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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.yourherogarden.net/dn7r/
Unpacked files
SH256 hash:
886fc4e00f1039056dc1cef5b6e118eadb3ee324c25e46e66ed03b7de48ecad6
MD5 hash:
a6db42d7d44a29135146c4a8d8254e61
SHA1 hash:
41a62b9895c60ad505a32d24744195e734d69d98
SH256 hash:
4f99372e8c06a6ea2bbb9c6841626ea48ad62b8ee89f3ae853c0e0b1b48ef76c
MD5 hash:
ff6c071630f88faed4815a8d4ce30263
SHA1 hash:
e1d927103db2627cceab7b8ae56d244dd6b48e67
Malware family:
FormBook
Verdict:
Malicious
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
Delivery method
Distributed via e-mail attachment
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