MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b5c47964271578c767ebb7c3bfee10cda45464043d6e2879408f138da8031cf4. 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: | b5c47964271578c767ebb7c3bfee10cda45464043d6e2879408f138da8031cf4 |
|---|---|
| SHA3-384 hash: | 2bda3cccda4a8b2f98177b6ebe38a2f04252e1b4d19b2765de19f6c873a8b58e0080a24361e3c92b6bf40ab831ea9c5b |
| SHA1 hash: | 6c7189656dfcdfb04298ae60b80a350d17100f5a |
| MD5 hash: | 6677a05c9b05d917b8654308183f9c5b |
| humanhash: | triple-lactose-montana-batman |
| File name: | Purchase Order.Pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'008'128 bytes |
| First seen: | 2021-07-23 09:36:46 UTC |
| Last seen: | 2021-08-10 12:33:13 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 24576:4/cvW5oaXpcB7mVSaccPuvcd5OGQT/1/0nS+7n4SYwqK4zf3RTsAHWAgqChJ+huE:KcOiecOIqu9l8I7 |
| Threatray | 6'274 similar samples on MalwareBazaar |
| TLSH | T1D625B644468FC7BFAA5B22F0082C109C94BBDD2EC209BA79BE0E4D76B563FE5117D485 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
3
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order.Pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-07-23 10:07:57 UTC
Tags:
trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
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.
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
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 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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Double Extension
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Status:
Malicious
First seen:
2021-07-23 05:41:33 UTC
AV detection:
13 of 46 (28.26%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 6'264 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.papablogzzi.com/obow/
Unpacked files
SH256 hash:
de5789174361d73723459b063a161d22943076a69b31ce2dbfe554fd6a77bb35
MD5 hash:
4c18fbb276f17c0361c3ae33b6c95219
SHA1 hash:
f7b7b2e7b041620063acd74d16308ee6044506ea
SH256 hash:
b5c47964271578c767ebb7c3bfee10cda45464043d6e2879408f138da8031cf4
MD5 hash:
6677a05c9b05d917b8654308183f9c5b
SHA1 hash:
6c7189656dfcdfb04298ae60b80a350d17100f5a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
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: | 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
Delivery method
Distributed via e-mail attachment
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