MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a4b88076b93151b45a51e3d53b71a107b64470b2276f65ebbb9297380d37f3c5. 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: 12
| SHA256 hash: | a4b88076b93151b45a51e3d53b71a107b64470b2276f65ebbb9297380d37f3c5 |
|---|---|
| SHA3-384 hash: | 0c847498bdbfad3691cac49eb122052222ba7c6d4478fa32f83d7a69de71fbf9bf16167e6571edd72c5a377e40f6db4a |
| SHA1 hash: | e7ff4793dbbf1ecbaee4bb03c0057a696489cc0f |
| MD5 hash: | f74a3d805ebc8b4338d78c67a727c746 |
| humanhash: | may-speaker-winner-mike |
| File name: | CCBANK00000002424T246345235235353523623.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 497'664 bytes |
| First seen: | 2023-04-11 06:45:58 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 12288:DM3dEESbTL4G3Wh8HOgMw3uyh59jA/HM3P9:DM3CEQr31JnuW9kP29 |
| Threatray | 1'285 similar samples on MalwareBazaar |
| TLSH | T1AEB401CC62DE4711D1BC73B453B37548037393A98A82CF085E45A6FC2AABB9153A7793 |
| TrID | 56.5% (.EXE) Win64 Executable (generic) (10523/12/4) 11.0% (.ICL) Windows Icons Library (generic) (2059/9) 10.9% (.EXE) OS/2 Executable (generic) (2029/13) 10.7% (.EXE) Generic Win/DOS Executable (2002/3) 10.7% (.EXE) DOS Executable Generic (2000/1) |
| Reporter |  lowmal3 |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
249
Origin country :
DEVendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Launching a process
Creating a file
Сreating synchronization primitives
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
cerbu formbook packed
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.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2023-04-10 11:24:54 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
7
AV detection:
22 of 24 (91.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 1'275 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Unpacked files
SH256 hash:
a4b88076b93151b45a51e3d53b71a107b64470b2276f65ebbb9297380d37f3c5
MD5 hash:
f74a3d805ebc8b4338d78c67a727c746
SHA1 hash:
e7ff4793dbbf1ecbaee4bb03c0057a696489cc0f
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
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: | pdb_YARAify |
|---|---|
| Author: | @wowabiy314 |
| Description: | PDB |
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
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