MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 bbbb4573dc583a2870aad1d30b310e6e61dae23c5652ae30207a392209d9dd6d. 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: 15
| SHA256 hash: | bbbb4573dc583a2870aad1d30b310e6e61dae23c5652ae30207a392209d9dd6d |
|---|---|
| SHA3-384 hash: | 9efd4b72f1e79d2244be22ec1ee550ba45ff0c4b8b8cbd75632997b522bf46a0546af4a2fca38257711dd340bceb4973 |
| SHA1 hash: | 5afb4ae28028c05c80e8de71235fe2e74047f514 |
| MD5 hash: | 73a4c6123f1cfb76e93ead8bd564d1cf |
| humanhash: | nuts-mango-zulu-carolina |
| File name: | REF No N-12192.1 - Request for Quotation.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 824'420 bytes |
| First seen: | 2021-12-03 10:00:03 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla) |
| ssdeep | 12288:ZR3J5KNCoOhMJX1esN3d4+hWFRSY14QyCR9ozgACNddcpOk42YFwzYJN:ZR3mNConJXMsN3dUwY14cozgA8EUdwz4 |
| Threatray | 12'088 similar samples on MalwareBazaar |
| TLSH | T165052372B8EAECB6CD9B58B5BC62CB7CD3B0710146EBA2039B5738CC1413D2568D52E5 |
| File icon (PE): |  |
| dhash icon | 0160d50134981822 (1 x Formbook) |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook xloader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
REF No N-12192.1 - Request for Quotation.exe
Verdict:
Malicious activity
Analysis date:
2021-12-03 10:16:04 UTC
Tags:
installer 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:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Сreating synchronization primitives
Searching for synchronization primitives
DNS request
Launching a process
Launching cmd.exe command interpreter
Sending an HTTP GET request
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Verdict:
Suspicious
Threat level:
5/10
Confidence:
60%
Tags:
formbook 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.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
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
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
Win32.Trojan.SpyNoon
Status:
Malicious
First seen:
2021-12-03 05:54:41 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 27 (66.67%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 12'078 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:drgb loader persistence rat suricata
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
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
NSIS installer
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.love-austria.com/drgb/
Unpacked files
SH256 hash:
bbbb4573dc583a2870aad1d30b310e6e61dae23c5652ae30207a392209d9dd6d
MD5 hash:
73a4c6123f1cfb76e93ead8bd564d1cf
SHA1 hash:
5afb4ae28028c05c80e8de71235fe2e74047f514
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
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: | Formbook |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.formbook. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Dropped by
xloader
Delivery method
Distributed via e-mail attachment
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