MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8e903fbd8158f9518831fbdd2d848bce083b572a0b7c1ded58afb5bef12e8f3b. 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: | 8e903fbd8158f9518831fbdd2d848bce083b572a0b7c1ded58afb5bef12e8f3b |
|---|---|
| SHA3-384 hash: | d958718abbee0f7918934562b4a8fb76b47853bd98473347a73f86a5f130d87b4b0cb5297dbc05b937cc996bb99e9da5 |
| SHA1 hash: | 50b17d721227e360d4532e5f82c8d1892441e121 |
| MD5 hash: | 193649bc50d14bd72444575a93fc800f |
| humanhash: | victor-kitten-sixteen-nebraska |
| File name: | 193649bc50d14bd72444575a93fc800f |
| Download: | download sample |
| Signature | Formbook |
| File size: | 312'282 bytes |
| First seen: | 2023-03-01 18:52:26 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader) |
| ssdeep | 6144:AYa6AZqtrKVfBaO/hiNOhmYpT0eS+FmR98L/bYiuRv8o4bBEa:AYmZqRofBFieoeS+Fmrw/0Bd4bB/ |
| TLSH | T16764014076E8C46BD4A289325D7DDAFCA6B2FE00AC59471B37C43F9F3932590DA1A712 |
| 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 :
1
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PL - MG-C5.doc
Verdict:
Malicious activity
Analysis date:
2023-03-01 08:52:26 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader 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
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
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:
Malicious
Threat level:
10/10
Confidence:
100%
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 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.Trojan.Nsisx
Status:
Malicious
First seen:
2023-03-01 09:11:04 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
14 of 39 (35.90%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:bn26 rat spyware stealer trojan
Behaviour
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:
39735148fb3b1efee9ca9d7520217e4197f81fb61d92f6c62ef5b299124453b1
MD5 hash:
349666571f44a65c84e8c8de0fc887de
SHA1 hash:
a141c48b84d086fae9e97f63ae4b3b7aba0ae03e
SH256 hash:
8e903fbd8158f9518831fbdd2d848bce083b572a0b7c1ded58afb5bef12e8f3b
MD5 hash:
193649bc50d14bd72444575a93fc800f
SHA1 hash:
50b17d721227e360d4532e5f82c8d1892441e121
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: | crime_win32_ransom_avaddon_1 |
|---|---|
| Author: | @VK_Intel |
| Description: | Detects Avaddon ransomware |
| Reference: | https://twitter.com/VK_Intel/status/1300944441390370819 |
| 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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You need to login to in order to write a comment. Login with your abuse.ch account.url : hxxp://kerasiastudios.gr/boillinet2.1.exe