MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4641b42cd821fb6e718c5dd437dc8fc32e2aceb188d863a45937abfb6c5ce5f2. 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: 16
| SHA256 hash: | 4641b42cd821fb6e718c5dd437dc8fc32e2aceb188d863a45937abfb6c5ce5f2 |
|---|---|
| SHA3-384 hash: | 8d759fb8633d977dab05727009589ad5f62f977d4e4d6452d3fab427b3049916b76c6caed9300de1baa87a4efc446361 |
| SHA1 hash: | 7271018ce44b5bb1e3a51692af4cbd55d77e553a |
| MD5 hash: | 0e3f3eb5dd8f952fff70c899fb57fbd3 |
| humanhash: | whiskey-stairway-vermont-bluebird |
| File name: | file |
| Download: | download sample |
| Signature | Formbook |
| File size: | 306'008 bytes |
| First seen: | 2023-03-30 17:45:15 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader) |
| ssdeep | 6144:PYa6FenQ26xIcdy2acE7aAPgmdDpBEEdkhcDAH2u4+tNq:PY3enQ6cdHVAPgmd1BJEcMWIq |
| TLSH | T1E654120426E4D577E8B147326A3A1377AFE6F83C7470661B63408A1C7E2A2059BDE773 |
| 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 | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  jstrosch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Original Doc Ref SN02853801324189923.xls
Verdict:
Malicious activity
Analysis date:
2023-03-30 17:26:16 UTC
Tags:
opendir exploit cve-2017-11882 loader formbook trojan stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
10/10
Confidence:
86%
Tags:
comodo nemesis overlay packed remcos 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
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Detected unpacking (changes PE section rights)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Nemesis
Status:
Malicious
First seen:
2023-03-30 17:46:08 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 24 (75.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
e3560ca0b7f71fa5c3f0eab1b7101a308c46141719c428178ea458546bb71de0
MD5 hash:
7929cf7ca6e6b4897ca715363a90eccd
SHA1 hash:
f4c11a19f58092603fc9a53191bf75a4a6ac9550
SH256 hash:
4641b42cd821fb6e718c5dd437dc8fc32e2aceb188d863a45937abfb6c5ce5f2
MD5 hash:
0e3f3eb5dd8f952fff70c899fb57fbd3
SHA1 hash:
7271018ce44b5bb1e3a51692af4cbd55d77e553a
Malware family:
XLoader
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: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | Windows_Trojan_Formbook |
|---|---|
| Author: | @malgamy12 |
| Rule name: | Windows_Trojan_Formbook_1112e116 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.formbook. |
| Rule name: | win_formbook_w0 |
|---|---|
| Author: | @malgamy12 |
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
Delivery method
Distributed via web download
Comments
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