MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4d332053c49f1a46c0594b6769385c42c801c0b20d059e46ff231db47627c048. 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: | 4d332053c49f1a46c0594b6769385c42c801c0b20d059e46ff231db47627c048 |
|---|---|
| SHA3-384 hash: | 52c21e330bd4adb8239928314c4e9ed99ec8a792a8387addd04ed9ed9b93575fed1603f8258a2ef47531f9371a0d6b98 |
| SHA1 hash: | 26839b2f45e47270c26d0dcd64659b629a0baef9 |
| MD5 hash: | 408f68d2789fd48609b4234954c84932 |
| humanhash: | artist-wyoming-johnny-paris |
| File name: | PO-(105152)-20610603_.PDF.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 989'696 bytes |
| First seen: | 2021-06-22 06:39:13 UTC |
| Last seen: | 2021-06-22 07:51:34 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 24576:/oKRyhEdzvRLo5vXuxp4c9DznTDrIeZcXL:5IYzvKvehXIOq |
| Threatray | 5'895 similar samples on MalwareBazaar |
| TLSH | DA257BDC721072EEC867D472DEA81C64EA517C7B931F8203942735ADAA7D897CF244B2 |
| Reporter |  lowmal3 |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO-(105152)-20610603_.PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-06-22 06:44:29 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:
MALICIOUS
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
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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 submitted file
PE file contains section with special chars
PE file has nameless sections
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Double Extension
Sigma detected: Suspicious Process Start Without DLL
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-18 13:38:06 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 5'885 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.spiritmagnetusa.com/bmmo/
Unpacked files
SH256 hash:
db7f159f12ac70a9cd7259c92e6d339653f51e6b5f5327400325d253b20c7875
MD5 hash:
0db3054496e364d8c328f5b26d46cdf5
SHA1 hash:
40aed2da4898140f15593c7cb91b427be0823219
SH256 hash:
4d332053c49f1a46c0594b6769385c42c801c0b20d059e46ff231db47627c048
MD5 hash:
408f68d2789fd48609b4234954c84932
SHA1 hash:
26839b2f45e47270c26d0dcd64659b629a0baef9
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.49
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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