MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b2587673f763a90585340e9a2cac2ec42143e05278483935f34f85dab922dbc4. 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: 14
| SHA256 hash: | b2587673f763a90585340e9a2cac2ec42143e05278483935f34f85dab922dbc4 |
|---|---|
| SHA3-384 hash: | 37022206d6c25efa8e36977fbab88e4e4189a8d9bbc0ad7ff3512cbbec622f88e26188791414037931cebddff14f024b |
| SHA1 hash: | 66263a6267d7f2e0d4b370608e36b78fee7e3f69 |
| MD5 hash: | 5f3fc233c42ec439a53b8cc88f52d8b3 |
| humanhash: | sweet-freddie-vermont-island |
| File name: | z17Solicituddecotizacion.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 687'616 bytes |
| First seen: | 2023-12-13 20:17:31 UTC |
| Last seen: | 2023-12-13 22:19:28 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:9EftIeGy+YYUBYsQ/On7JPAogA7Xg19SrsyiJC1VIiti9e+WRySG5X/MXCO:G4YnCsrNPAogYxKHitV+6yS |
| TLSH | T1DBE4232BAB94577AD1EA98383C73422653F49395881AD31B397079BD2CB371013E2F97 |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| File icon (PE): |  |
| dhash icon | cc0f3355332b17cc (12 x AgentTesla, 6 x Formbook) |
| Reporter |  FXOLabs |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
9
# of downloads :
342
Origin country :
BRVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Solicitud de cotización.eml
Verdict:
Malicious activity
Analysis date:
2023-12-13 13:04:05 UTC
Tags:
formbook stealer spyware
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 window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Launching a process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Trojan.Generic
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:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-13 11:13:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
17 of 23 (73.91%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
e6ccaf8022d2357ff69a06944514c34a3beca7dfcf36dd9eda71340635fbcaaf
MD5 hash:
4c1d6064b5e709694f8acb629a6b5ef8
SHA1 hash:
714a2aef5c46d23c1ad4f3e3850887c50a25555d
SH256 hash:
b9fa9b1d7c9905851ede233e43297f94bfc9cb511c9223f1897a13a36140c16d
MD5 hash:
db5366bb690034d5195fc30cb96e2cb9
SHA1 hash:
89fe4814947b3206510e7aef16b9771e133a148f
SH256 hash:
c5328f7af843244b56d6a208c322a9315daea139d1b255cda993b243e4394ecf
MD5 hash:
160f4669c06c6496d79a92ea9d33e89b
SHA1 hash:
baae226fdb2a9739f118db781bdc74f2efc6a585
SH256 hash:
3f796fd1ccc930576da3852426204df4a11e7eb965104ccef7b972807b00c43d
MD5 hash:
6bed625638d94a94a4b3b72b86df7048
SHA1 hash:
6aa49fc40d8db7bd8724e6ac77482fa753b349e0
SH256 hash:
c0ee807a49afa96b1676fea8e06410f2ba109da6b68f276e6128baa50c8c93e8
MD5 hash:
e55ca6d4e35a69059bb50ea11bf4f1c1
SHA1 hash:
6599347d00deba98c0778700e82af68fdaf50bc1
SH256 hash:
b2587673f763a90585340e9a2cac2ec42143e05278483935f34f85dab922dbc4
MD5 hash:
5f3fc233c42ec439a53b8cc88f52d8b3
SHA1 hash:
66263a6267d7f2e0d4b370608e36b78fee7e3f69
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: | Formbook |
|---|---|
| Author: | kevoreilly |
| Description: | Formbook Payload |
| Rule name: | maldoc_getEIP_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| 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_w0 |
|---|---|
| Author: | @malgamy12 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.