MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4c509e5a6dcc6cf9a2981d5fd6c02d0e55de7e63c5f33713425ed415fbfd2b0f. 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: | 4c509e5a6dcc6cf9a2981d5fd6c02d0e55de7e63c5f33713425ed415fbfd2b0f |
|---|---|
| SHA3-384 hash: | 91a2bacc15b8872de36659e8095aa3b51c9d1269048ea579af1dd7af4aa7814b9724d9e886131b0c63c511b2dbe85105 |
| SHA1 hash: | 04444a777f14e29ee663786862a003ba45c44b85 |
| MD5 hash: | 582dda330545263342bb8990ab010556 |
| humanhash: | vermont-fourteen-mars-zulu |
| File name: | SecuriteInfo.com.Win32.PWSX-gen.18329 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'304'064 bytes |
| First seen: | 2022-09-15 07:54:16 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 24576:V5/Xy4KytEB7YJLKw4RZ4ZWmXNZgXKvu6N1FFQFMoIYjraINotxTE:rXy4d+B7Y1KwxZv8XKWG19oraAotxTE |
| Threatray | 17'743 similar samples on MalwareBazaar |
| TLSH | T1EA55D0D5BA1185A2DC7A9072F9A3D0702BB6ACFDC2EEC00718D83E27B4B61755873917 |
| TrID | 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.4% (.EXE) Win64 Executable (generic) (10523/12/4) 6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.4% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| File icon (PE): |  |
| dhash icon | e8d4b2a2a2b2c4f0 (10 x Formbook, 1 x SnakeKeylogger) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
301
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Searching for the window
Creating a window
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2022-09-15 05:57:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
10 of 41 (24.39%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 17'733 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:f48y rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
39fe1f4d8a6a1ea85403431ed454d0f0c5b196af8f0836f0c13e4800ebd4a72b
MD5 hash:
ab41e51ffefb3aeb38258da1ee5b726f
SHA1 hash:
b4189e65c59b686529b7ac582840950754501a7b
Detections:
FormBook
win_formbook_auto
win_formbook_g0
SH256 hash:
4abfa032b5cebed5a4611d0c8968d1c52003935de2c083844beb466c240521c9
MD5 hash:
6786ac458edff3d3f300846e09624d29
SHA1 hash:
3c0f541cfbd674ffd9afd2bd4e90e5ce7bbaa04a
SH256 hash:
5e20a424acb413582dc0c85a29113451064a9eee4c1acaf4069c1aa213a1c82c
MD5 hash:
d4d120945a88704b2667eee996c79f9c
SHA1 hash:
2d6ca5f487ec6d77c01d395383bc935b386b512e
SH256 hash:
44c50087cbd9a86677ff5b898c1ad52abf5f25297179a174edcc8b81dec967fc
MD5 hash:
d012ba9057bf67c7f29871326f2af919
SHA1 hash:
1d5b8b512b37f0e1900496b578117082929654c7
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
4c509e5a6dcc6cf9a2981d5fd6c02d0e55de7e63c5f33713425ed415fbfd2b0f
MD5 hash:
582dda330545263342bb8990ab010556
SHA1 hash:
04444a777f14e29ee663786862a003ba45c44b85
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:
0.81
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: | malware_Formbook_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pe_imphash |
|---|
| Rule name: | RansomwareTest4 |
|---|---|
| Author: | Daoyuan Wu |
| Description: | Test Ransomware YARA rules |
| Rule name: | RansomwareTest5 |
|---|---|
| Author: | Daoyuan Wu |
| Description: | Test Ransomware YARA rules |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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.
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