MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c6e3758af9817c19a3c8a5e0c0b19bcd59971d1b2b4c813862bbeb716d87931c. 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: 9
| SHA256 hash: | c6e3758af9817c19a3c8a5e0c0b19bcd59971d1b2b4c813862bbeb716d87931c |
|---|---|
| SHA3-384 hash: | 74fc9125b1578ecb8cd7afdec4125bf08530ef89fed05256789a5c3aac86e799b8b6459ef33c637cd91d3e6c3123e3b2 |
| SHA1 hash: | b0a29ff1adb80013f962c91b6bac5a29288607c9 |
| MD5 hash: | 0f66f5cd6f420f6d386924c0243cc6dc |
| humanhash: | sink-arkansas-black-chicken |
| File name: | SecuriteInfo.com.Variant.Bulz.480898.32698.7998 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 282'920 bytes |
| First seen: | 2021-05-21 09:09:28 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger) |
| ssdeep | 6144:nohvyC0XSYKQPgnr8QpGbeeqQsf7byPnhG0M/K:PCKdLPgnr8GGtqQsny/Qw |
| Threatray | 5'248 similar samples on MalwareBazaar |
| TLSH | C954F11AAA3C86E5F98C4DB292D9A31007B0DEC25872D65FD04B73C1EA3B7D3C8455DA |
| Reporter |  SecuriteInfoCom |
| Tags: | FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Bulz.480898.32698.7998
Verdict:
No threats detected
Analysis date:
2021-05-21 09:38:29 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a window
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
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
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: WScript or CScript Dropper
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-05-20 13:55:01 UTC
AV detection:
25 of 47 (53.19%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 5'238 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.cornerstonerecruitmentasia.com/nke/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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_KB_CERT_03e9eb4dff67d4f9a554a422d5ed86f3 |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables signed with stolen, revoked or invalid certificates |
| 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.
Web download
Delivery method
Distributed via web download
Comments
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
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0) [B0023] Execution::Install Additional Program