MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f45d8b8c06d91cd7fd6145b4f696852c751d16ea332fd7359f2fb9b395faf9cd. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: f45d8b8c06d91cd7fd6145b4f696852c751d16ea332fd7359f2fb9b395faf9cd
SHA3-384 hash: 7449b7854d35f723423c1c013b88954e3ab21bbae4508cd44a4010a4717ac10a8d39a14cf7ba140d2168eca687e448c6
SHA1 hash: 3661e1978efa49033f486deb97df3302395819f7
MD5 hash: e46e67daccaf19944b528d1672e60f59
humanhash: robert-one-jig-triple
File name:RFX-6007-01.exe
Download: download sample
Signature Formbook
File size:716'800 bytes
First seen:2024-11-18 07:37:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:i3HI6+gqqtN+F78UzA9WXp9pNcvlWKU+6Hoj8TP0timf+hXBkC52BzIWEUYUZMLH:sHIwtN+F1MunNc96HJP0FfEXT2KeYUZb
Threatray 21 similar samples on MalwareBazaar
TLSH T11DE41268B725E833DACA0FB50471C77746BA9E8DA421C7179FFDECCBB806B096814251
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 0884cc3860ccd420 (2 x Formbook, 2 x RemcosRAT, 1 x MassLogger)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
402
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFX-6007-01.exe
Verdict:
No threats detected
Analysis date:
2024-11-18 08:14:09 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.1%
Tags:
virus gates msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed packed packer_detected vbnet
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1557417 Sample: RFX-6007-01.exe Startdate: 18/11/2024 Architecture: WINDOWS Score: 80 18 Multi AV Scanner detection for submitted file 2->18 20 Yara detected FormBook 2->20 22 Yara detected AntiVM3 2->22 24 3 other signatures 2->24 6 RFX-6007-01.exe 3 2->6         started        process3 file4 16 C:\Users\user\AppData\...\RFX-6007-01.exe.log, ASCII 6->16 dropped 26 Injects a PE file into a foreign processes 6->26 10 RFX-6007-01.exe 6->10         started        12 RFX-6007-01.exe 6->12         started        14 RFX-6007-01.exe 6->14         started        signatures5 process6
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2024-11-15 18:10:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
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:
7471324b1d5daf7d9da1eb99ba8dd976e1c707e16aab01e0d6dab5b9adf96b22
MD5 hash:
bee669d8b16adbda77f6aa5ba684d1d0
SHA1 hash:
8770331d351f1207f7bde73d3328e293787b1d97
SH256 hash:
b4ff833ff7081c3016a408d7f8c761efe98d9da9737698063a423be452e93a1c
MD5 hash:
bdad1b1a5bd07e9596495e4d1d01d8e6
SHA1 hash:
035d31bc41f23a2c70675277d1e4e3fb162637e0
SH256 hash:
e94637ca34795189b113cf4999ab007117e54f765d35ef892b5ba2286cc1c439
MD5 hash:
55ab59da9daf4d44c35390a53c482d83
SHA1 hash:
e6b0fac488adc6039aff66df01f834bad3faee59
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
b8c9b8c40a03d24de3d273d348414937136205511612c3049aa840a9e759a712
MD5 hash:
a79c03375b8ee8ea8610f25d0725ade7
SHA1 hash:
0ab34334165e1d4882b700ae3d97cdac22437008
Detections:
INDICATOR_EXE_Packed_SmartAssembly
SH256 hash:
f45d8b8c06d91cd7fd6145b4f696852c751d16ea332fd7359f2fb9b395faf9cd
MD5 hash:
e46e67daccaf19944b528d1672e60f59
SHA1 hash:
3661e1978efa49033f486deb97df3302395819f7
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NET
Author:malware-lu
Rule name:pe_imphash
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.

Malspam

Formbook

Executable exe f45d8b8c06d91cd7fd6145b4f696852c751d16ea332fd7359f2fb9b395faf9cd

(this sample)

  
Delivery method
Distributed via e-mail attachment

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments