MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8614fecd71f9f61a8742b4ab97f28d154f2428b4e91a5a5b42a1e05f93cfa477. 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: | 8614fecd71f9f61a8742b4ab97f28d154f2428b4e91a5a5b42a1e05f93cfa477 |
|---|---|
| SHA3-384 hash: | 6e570f8dafb476429d04b49c63ac089a7d3f01d00fd71a05bb5e55744947e963015527305f2be68ad86d7b45cc560cc1 |
| SHA1 hash: | a2e7e3b13bb6c3d8ba38e350afd7bb4164514407 |
| MD5 hash: | cff6c145eb350ea686f48866937e0a76 |
| humanhash: | sierra-coffee-angel-stairway |
| File name: | cleanmgr.exe |
| Download: | download sample |
| Signature | FormBook |
| File size: | 847'872 bytes |
| First seen: | 2023-06-13 09:15:34 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 24576:jzIj6o9o//FfodxH+TXwo7w3G4W//b2yRKtCuf7N:jcj6oO1fodk4W/zsX |
| Threatray | 2'406 similar samples on MalwareBazaar |
| TLSH | T1440523116B8303E0E4641AB440FB123853F153DBAC77E69D794A4AFB0F9379C199CB9A |
| TrID | 44.4% (.EXE) Win64 Executable (generic) (10523/12/4) 21.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.7% (.ICL) Windows Icons Library (generic) (2059/9) 8.5% (.EXE) OS/2 Executable (generic) (2029/13) 8.4% (.EXE) Generic Win/DOS Executable (2002/3) |
| Reporter |  pr0xylife |
| Tags: | 15-223-2-12 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
294
Origin country :
USVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
wewewewewewewewew##################ewewewewewewe.doc
Verdict:
Malicious activity
Analysis date:
2023-06-13 09:10:43 UTC
Tags:
exploit cve-2017-11882 opendir loader formbook xloader trojan 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
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
Reading critical registry keys
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Searching for synchronization primitives
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Found malware configuration
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win64.Trojan.Casdet
Status:
Malicious
First seen:
2023-06-13 09:16:05 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
5
AV detection:
20 of 24 (83.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 2'396 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:hs95 rat spyware stealer trojan
Behaviour
Gathers network information
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Formbook payload
Formbook
Unpacked files
SH256 hash:
8614fecd71f9f61a8742b4ab97f28d154f2428b4e91a5a5b42a1e05f93cfa477
MD5 hash:
cff6c145eb350ea686f48866937e0a76
SHA1 hash:
a2e7e3b13bb6c3d8ba38e350afd7bb4164514407
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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
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