MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97b334f37fc97394c8883f87db4f95a5e5a2a3ca064d6a9720eaa429bb0f729c. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 97b334f37fc97394c8883f87db4f95a5e5a2a3ca064d6a9720eaa429bb0f729c
SHA3-384 hash: eef7f7ea15f4a891c0574da8935f46c54aae7c7f620c2996958b049ca4335af758fca7146b01b62a8b9e4244bb29e764
SHA1 hash: 90e9bd6e60955ba6c0bd029343c4ef67575fb9a8
MD5 hash: 1be08cb947c9e67605267934170c5784
humanhash: potato-helium-neptune-butter
File name:SecuriteInfo.com.IL.Trojan.MSILMamut.8478.32531.29967
Download: download sample
Signature Formbook
File size:907'776 bytes
First seen:2023-01-08 15:36:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'746 x AgentTesla, 19'628 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:KwzAPGOeIblEkDFUIl/qRCzIiDOdXtS84OpVYkPHm8AVpx:tcPfeILD1/dEZtS84Jy52px
TLSH T16315A5782CAC65B7C475F7A08B85C639F298F173F6634E291E8381984A13853F7DA46C
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.IL.Trojan.MSILMamut.8478.32531.29967
Verdict:
Malicious activity
Analysis date:
2023-01-08 15:37:11 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2023-01-08 08:18:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
19 of 40 (47.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:jn85 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
SH256 hash:
1483352cc1523b8a0e65d85559b3e807de2c5f30c2834ad794860618b23b52e0
MD5 hash:
2653528d2ff26a7f695ad2ca901aaaa0
SHA1 hash:
461a4a4cb1260c48357b21a09fc6f4dcf5ae215e
SH256 hash:
97b334f37fc97394c8883f87db4f95a5e5a2a3ca064d6a9720eaa429bb0f729c
MD5 hash:
1be08cb947c9e67605267934170c5784
SHA1 hash:
90e9bd6e60955ba6c0bd029343c4ef67575fb9a8
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: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.

Comments