MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ea4c979bf8eb6a698c48f256c271d3dc5e4092e613f67e05e2e9620f93e212a5. 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: | ea4c979bf8eb6a698c48f256c271d3dc5e4092e613f67e05e2e9620f93e212a5 |
|---|---|
| SHA3-384 hash: | 916f1b44beacf6bf7e8450d9811667d90b4ccf97f7da5d01f85d27bd3c0a5a34ab44cdb4fbc7dba1486063b484a83eba |
| SHA1 hash: | a9fa792e56b12c01aa95a96587653003f7c8891e |
| MD5 hash: | b685484677af36be4d05af35b44c3849 |
| humanhash: | robert-tennis-white-nuts |
| File name: | ea4c979bf8eb6a698c48f256c271d3dc5e4092e613f67e05e2e9620f93e212a5 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'006'080 bytes |
| First seen: | 2024-10-08 14:08:53 UTC |
| Last seen: | 2024-11-07 14:17:39 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:RyWQQxQqXWLyIs59bxkyDyoc1mj0I+BsqbY/+IEBKREOApMrfgvkGRAwCGnjqn:hOogyt59daoUm7+xvI2HPMrf5DGn |
| Threatray | 5 similar samples on MalwareBazaar |
| TLSH | T19D251242F6D48720E84558B1C4FB2D3443D69DC76A32E7C43E1CA7DA1E963A7CC82B99 |
| TrID | 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.5% (.EXE) Win64 Executable (generic) (10523/12/4) 5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.0% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| Reporter |  adrian__luca |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
3
# of downloads :
368
Origin country :
HUVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
ea4c979bf8eb6a698c48f256c271d3dc5e4092e613f67e05e2e9620f93e212a5
Verdict:
Malicious activity
Analysis date:
2024-10-08 14:08:16 UTC
Tags:
formbook xloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
91.7%
Tags:
Msil
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
net_reactor packed 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.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2024-10-03 11:33:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
19 of 24 (79.17%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
dc45ef7b74f5ab793b152d7757234d8e82b0184d9505eeca3846c2a0f151abfc
MD5 hash:
76047e3566d01998b925a36c406f9e11
SHA1 hash:
7dcc51e81d3ae0136ab37e621ca740b449333539
SH256 hash:
e05e06630390b75db8cd73b6331a8f7115a0e5ec483e444bb00b4bf6767a846b
MD5 hash:
b76fa2263e42a4366853668388c20cc1
SHA1 hash:
6aa219311d25849f003ea3780154780af53ba012
SH256 hash:
ea4c979bf8eb6a698c48f256c271d3dc5e4092e613f67e05e2e9620f93e212a5
MD5 hash:
b685484677af36be4d05af35b44c3849
SHA1 hash:
a9fa792e56b12c01aa95a96587653003f7c8891e
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
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: | DotNet_Reactor |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on. |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | PureCrypter |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies PureCrypter, .NET loader and obfuscator. |
| Reference: | https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
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