MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 99748c64e8ad4e2f8877b76cda4e7a8c3ddd4ad8290d18ea6e3dce09ddd92e9b. 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: | 99748c64e8ad4e2f8877b76cda4e7a8c3ddd4ad8290d18ea6e3dce09ddd92e9b |
|---|---|
| SHA3-384 hash: | 715c59eec3af0eeb7d0d41d8948257ed5ead031630590725776ae8b27318e174dd28db2bbad40a4f68a60d363d125f92 |
| SHA1 hash: | 1cd7d9fa2ded99c0291e0145a4f35608d33330b7 |
| MD5 hash: | 63faba3aff1b5d9cc631bb722bf6c00e |
| humanhash: | carolina-fish-one-charlie |
| File name: | file.pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 666'112 bytes |
| First seen: | 2023-07-19 18:16:58 UTC |
| Last seen: | 2023-07-20 13:07:45 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:cPYPfY76LkSLhOt0tfEqWWvdoz+Gbaoe1DZc8evUj+rHri:cPYPg2LkSMO8mviBTOtQUjE |
| TLSH | T1CEE4225862D88B13C6E427B85360B3A652F55FDE2802EE4CAFD2ECC7F46F7544211A53 |
| 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 | d4c08486a2a0c0d4 (7 x AgentTesla, 2 x Formbook, 2 x NanoCore) |
| Reporter |  V3n0mStrike |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
296
Origin country :
CLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file.pdf.exe
Verdict:
Suspicious activity
Analysis date:
2023-07-19 18:17:49 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
masquerade packed
Verdict:
Malicious
Labled as:
Lazy.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.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-07-19 18:17:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 25 (80.00%)
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 use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
7590c4007467ee66b1247a14233dd68b3bcf475b03b482352214ed0a95634d73
MD5 hash:
0b0a2088215452fd6f5e1a5b7b07530b
SHA1 hash:
176b979de0383ad4e7de297fe342dac3d252d4b0
Detections:
XLoader
win_formbook_w0
win_formbook_auto
win_formbook_g0
SH256 hash:
729fc2c8c1c8bc2cd023ce95dab9357e2122213b01bcf11043c166cd2690953a
MD5 hash:
7ff2cffd2ff218810394ecdc7d8b6744
SHA1 hash:
d2f4420a6a07b72540586045af234108697818f6
SH256 hash:
45b5a61e4a8f4025d3e94f407c0e84a2cde427a918f2a5446278e22117da1d4c
MD5 hash:
ca775551666be768a9241f43eec98b87
SHA1 hash:
fbbd937067a24c48ee5274d3fa2881a991e64f3c
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
SH256 hash:
5d8fe46b33f464fc9efe248bc73f790668268a5191614a5577eda754a61aebda
MD5 hash:
b5f5678bf8928f81c8d103acf4ac1316
SHA1 hash:
50a3ae10ad0e135572f41862b7bb3cec5c106cce
SH256 hash:
99748c64e8ad4e2f8877b76cda4e7a8c3ddd4ad8290d18ea6e3dce09ddd92e9b
MD5 hash:
63faba3aff1b5d9cc631bb722bf6c00e
SHA1 hash:
1cd7d9fa2ded99c0291e0145a4f35608d33330b7
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
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: | pe_imphash |
|---|
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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.
Delivery method
Distributed via e-mail link
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