MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c299e76637951c9dbe6d4e5eed327228c70a186c9c37958b3bb756add59419f9. 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: 18
| SHA256 hash: | c299e76637951c9dbe6d4e5eed327228c70a186c9c37958b3bb756add59419f9 |
|---|---|
| SHA3-384 hash: | ecce410d421db711d789e81b103e74cd7397a3a1c4ee363c7d8220b283db00a4669231434233ab10720dd24fb808be59 |
| SHA1 hash: | 4b8e64691a81de44804bf9190c325b8f9e5aa868 |
| MD5 hash: | f14a6c2f0c53470577f1e3a66e34fe64 |
| humanhash: | wolfram-fish-aspen-summer |
| File name: | f14a6c2f0c53470577f1e3a66e34fe64 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 343'971 bytes |
| First seen: | 2023-06-23 11:16:55 UTC |
| Last seen: | 2023-06-23 11:34:14 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader) |
| ssdeep | 6144:PYa65rGSvu7AzoMHAyjMa+4MS5l/Lr18/azj3MQhoLUUPMG1sBC+0SaXE:PYTnu8zo0Aywa+m5lbj8QiL2G1a/N |
| Threatray | 2'430 similar samples on MalwareBazaar |
| TLSH | T146741202B1F9D8A7DAF30B71247A16669EB0D63448B4F60F83803B5D3965791C62E7B3 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 96e8e0d4d4ccb2a4 (9 x Formbook, 6 x AveMariaRAT, 4 x AgentTesla) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
267
Origin country :
FRVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
GCD-43216-25045.xlsx
Verdict:
Malicious activity
Analysis date:
2023-06-23 07:22:08 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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, NSISDropper
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.Casdet
Status:
Malicious
First seen:
2023-06-23 07:44:05 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 24 (79.17%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 2'420 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:k2l0 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
9371617131e1527b811bc6364bc4a5c1938cb7ce4167dff6a5413b5d5b728f30
MD5 hash:
97e8e67903cf231aa5a21fe6a265a46f
SHA1 hash:
6a126a56659cddde7aa51d74b9a71a5513c103df
SH256 hash:
c299e76637951c9dbe6d4e5eed327228c70a186c9c37958b3bb756add59419f9
MD5 hash:
f14a6c2f0c53470577f1e3a66e34fe64
SHA1 hash:
4b8e64691a81de44804bf9190c325b8f9e5aa868
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
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: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
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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