MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 0dbc37565a20d8e5d40c4c554a194719291bc91ab86db587337b580106f41cb8. 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: | 0dbc37565a20d8e5d40c4c554a194719291bc91ab86db587337b580106f41cb8 |
|---|---|
| SHA3-384 hash: | 52d326483b1abce768047ae5c941ad807ba0d8df6d1c5b0393fc85e5031e668649dc840c8d4e792998849ec0e0c8cbed |
| SHA1 hash: | 4fc8c817e38575a5427fdd2741abf20fc9fb3365 |
| MD5 hash: | 40292541a586f5c7e2af4f0b5efde77c |
| humanhash: | nebraska-social-apart-five |
| File name: | 40292541a586f5c7e2af4f0b5efde77c |
| Download: | download sample |
| Signature | Formbook |
| File size: | 276'504 bytes |
| First seen: | 2022-06-28 11:13:23 UTC |
| Last seen: | 2022-07-15 03:17:38 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 6144:GPy1++QoQeESxHvSl5G6AbwX5WEX1NUWw4KbgXVN:GaSeEKPSW6Aby5tQWw52V |
| Threatray | 1'879 similar samples on MalwareBazaar |
| TLSH | T16844F12EB2929E11C1CC597BD1E78C2813B5D68B5337C34B2C4406994F4379AEE9E7CA |
| TrID | 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.9% (.EXE) Win64 Executable (generic) (10523/12/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.7% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.2% (.EXE) Win32 Executable (generic) (4505/5/1) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
4
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
eb04abc7b310d4c07a8f26ddf6f307ca51614735.xlsx
Verdict:
Malicious activity
Analysis date:
2022-06-28 10:44:19 UTC
Tags:
encrypted 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
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a system process
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 method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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)
Performs DNS queries to domains with low reputation
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-06-28 11:14:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
19 of 26 (73.08%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 1'869 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:uajq loader persistence rat spyware stealer suricata
Behaviour
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE APT-C-23 Activity (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
0521335de2008a12a57234e62f9f75fda0751a2d838500ebdd02336599f1081b
MD5 hash:
e547945d15381680f1a9f67a4501a12b
SHA1 hash:
0d309dd59db07514f55fc521a609dc38f3115401
Detections:
win_formbook_g0
win_formbook_auto
XLoader
SH256 hash:
0dbc37565a20d8e5d40c4c554a194719291bc91ab86db587337b580106f41cb8
MD5 hash:
40292541a586f5c7e2af4f0b5efde77c
SHA1 hash:
4fc8c817e38575a5427fdd2741abf20fc9fb3365
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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: | 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: | 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.
Web download
Delivery method
Distributed via web download
Comments
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