MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73de38a06d84d51fd173c71af2ef473703a3cfe94792a4e3bc383c528b7b3192. 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


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 73de38a06d84d51fd173c71af2ef473703a3cfe94792a4e3bc383c528b7b3192
SHA3-384 hash: db39c5a393825378d5badb08d76276dae356024125a6b1fb3e6ac860a5438e4c2fcd33f6e3bab3c91e285b8d2015cc7e
SHA1 hash: cb60f2e74b5958d317681fcb215c0e8735f385e2
MD5 hash: 3f616bf4234407a64aa2f2a4cbe08709
humanhash: black-batman-berlin-river
File name:SecuriteInfo.com.Win32.PWSX-gen.24751
Download: download sample
Signature Formbook
File size:987'136 bytes
First seen:2022-10-03 04:35:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:6Kre5hK4HTNGnxStq0flKyGDt93VA9zRuqji1wQFB:lrA7KhDpszz4B
TLSH T17325BF2103E58B0AD06613B4CCE2C3705FAB5E55A571C34B4FDDBCABB777695AA003A2
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
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)
File icon (PE):PE icon
dhash icon cc9eb286beb296cc (7 x Loki, 6 x SnakeKeylogger, 5 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
75%
Tags:
packed
Result
Verdict:
UNKNOWN
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:
80 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Malicious sample detected (through community Yara rule)
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:
2022-10-03 01:24:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 40 (52.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:vo84 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a04c799fa302c78d04acc3b4be8ccbde2f7fa00fe515daf18a2fc7e65fad3b13
MD5 hash:
d76812ec4cbc45e1e26ed36691596f7e
SHA1 hash:
c854fe9792694fb464a0bed51c737ff61ccef736
SH256 hash:
e2c3bd5aa042aeafc5581f7ec5c9db5c5755c32f0b6c1d6d937346f3f53be605
MD5 hash:
90cfbbef845f84cf097654e826edc0cf
SHA1 hash:
773fa454f9578423b9a85bf6efeb5e2891746f75
SH256 hash:
c8dafde4ffdcf5c1c03f8e014b618c1b53dc95e1574274456d6103f09a42513b
MD5 hash:
307a4c3a1511b753b4dcf02ad74205de
SHA1 hash:
6f8958fdde6840f2a88dfe3f0cdb1c8eff431e58
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
73de38a06d84d51fd173c71af2ef473703a3cfe94792a4e3bc383c528b7b3192
MD5 hash:
3f616bf4234407a64aa2f2a4cbe08709
SHA1 hash:
cb60f2e74b5958d317681fcb215c0e8735f385e2
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
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