MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 24a67748af038fb71279d9494318557036d86026598cdaa8822229221b5eac85. 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
| SHA256 hash: | 24a67748af038fb71279d9494318557036d86026598cdaa8822229221b5eac85 |
|---|---|
| SHA3-384 hash: | Calculating hash |
| SHA1 hash: | Calculating hash |
| MD5 hash: | 6243123ab66782fe15a75e0a626020db |
| humanhash: | Calculating hash |
| File name: | cz7zRfrSCw0uHOt.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'147'904 bytes |
| First seen: | 2021-12-17 03:22:16 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | Calculating imphash |
| ssdeep | Calculating ssdeep hash |
| Threatray | 12'268 similar samples on MalwareBazaar |
| TLSH | Calculating TLSH |
| telfhash | Calculating telfhash |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
DNS request
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Powershell Defender Exclusion
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:
Gathering data
Gathering data
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 12'258 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:ruje evasion rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Deletes itself
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Unpacked files
SH256 hash:
46335ee824965f30ec8ee2d94a06aeb16780bacb4494bad9615107471bc10f64
MD5 hash:
6259b74d509ea12190861138209258d2
SHA1 hash:
8632ea07340fa03c77b1a38a55da1ac41dfc4898
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
42f44aedd8eedebd456ccc7c463973b35f17947385d6303c266d6daa35767c1a
MD5 hash:
511561ca369e2fd5e2fbde5ccac33880
SHA1 hash:
181428e1dbbb5ca79f1f33ee5ba0f5d8c8cec300
SH256 hash:
9f5763966bacdc6de3944a6e06a49b05869c38f2e98b32cb93b483a480a6ffff
MD5 hash:
3418c620c4b9dd4533a88f1ba5ec3ff1
SHA1 hash:
12f6aaf1c90030c4063d42a27b2e7000a08b6e74
SH256 hash:
24a67748af038fb71279d9494318557036d86026598cdaa8822229221b5eac85
MD5 hash:
6243123ab66782fe15a75e0a626020db
SHA1 hash:
c0625aa6128a2cfef1ecf224aa18255da7a353ee
Malware family:
FormBook
Verdict:
Malicious
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: | pe_imphash |
|---|
| 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
Dropped by
formbook
Delivery method
Distributed via e-mail attachment
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