MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 9123b739b8d3d1c2f5a3dabf8c358c77175422d0e83f5edadc7584bd50eb484c. 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: | 9123b739b8d3d1c2f5a3dabf8c358c77175422d0e83f5edadc7584bd50eb484c |
|---|---|
| SHA3-384 hash: | 1aa929cef91d268627e866af7ef8b65d63bdec3dc9f388938dc0e48c0c0e8a4654f64b01a94c7852b6ef84efe5b00a56 |
| SHA1 hash: | 99ad74abf2717a297260df450e105e8a40cd16fc |
| MD5 hash: | c1a8c992aac5a10c6ca89cedb772d567 |
| humanhash: | fillet-kilo-twelve-dakota |
| File name: | c1a8c992aac5a10c6ca89cedb772d567 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 270'398 bytes |
| First seen: | 2023-03-08 10:17:56 UTC |
| Last seen: | 2023-03-08 11:27:50 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader) |
| ssdeep | 6144:gYa6+YxKBm16Bj9lWAbkKXVa9S02ZVh2Qs/cEpeXzhdGZbghHrOSh:gYI7maj9tk9Svu/cW0zhsKhFh |
| Threatray | 2'323 similar samples on MalwareBazaar |
| TLSH | T12144010235A1C5A3E86209711DB9DAFB6EE1BE058E024A4B77D0BF5FB5721C1E81F361 |
| 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 | e0aaaa2b0303aad0 (34 x Formbook, 21 x AveMariaRAT, 18 x AgentTesla) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
c1a8c992aac5a10c6ca89cedb772d567
Verdict:
Malicious activity
Analysis date:
2023-03-08 10:18:16 UTC
Tags:
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
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for synchronization primitives
Launching a process
Sending a custom TCP request
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
83%
Tags:
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.
Verdict:
Unknown
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Noon
Status:
Malicious
First seen:
2023-03-08 09:52:28 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 25 (76.00%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 2'313 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:bn26 rat spyware stealer trojan
Behaviour
Modifies registry class
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
e4732e9dfbf3f68328b5472704b7376dfd0118c875d6e487531d15d4f5a7bd5b
MD5 hash:
fc2508337620ece2c722cd1e2eca4b96
SHA1 hash:
9ec98a0ba766ca85ec5d2ae7ac7b1c63fefded2c
Detections:
FormBook
win_formbook_w0
win_formbook_auto
win_formbook_g0
SH256 hash:
3aedbd25541f571cfbe801e124a93f78f31f43048891862ed7c93bb5281f7192
MD5 hash:
06732507c8b0860440725eaba06eb440
SHA1 hash:
d529c223cb33c5586fe34203c97eaf07a964ce9a
SH256 hash:
9123b739b8d3d1c2f5a3dabf8c358c77175422d0e83f5edadc7584bd50eb484c
MD5 hash:
c1a8c992aac5a10c6ca89cedb772d567
SHA1 hash:
99ad74abf2717a297260df450e105e8a40cd16fc
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_Diceloader_15eeb7b9 |
|---|---|
| Author: | Elastic Security |
| 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
Comments
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