MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 144eea27473695352b1dca78911d83a4752c720b571cbe901c74821734736778. 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: 10


Intelligence 10 IOCs YARA 18 File information Comments

SHA256 hash: 144eea27473695352b1dca78911d83a4752c720b571cbe901c74821734736778
SHA3-384 hash: 2eaf074df771247c7bbea028d52589f8806795c68cfac7c4c92094c6852077fd1beb0b076683f5870ccdb65bdeee721c
SHA1 hash: e3cda9e999a1fe0e5a01b0b5157a329ece9a68a8
MD5 hash: b5e82db74772e2ad8ad797de3b0411f1
humanhash: fish-dakota-finch-orange
File name:SecuriteInfo.com.Trojan.Inject4.59820.22330.5268
Download: download sample
Signature Formbook
File size:861'696 bytes
First seen:2023-12-04 22:31:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:IfYNr4RRLfxP45+po2xCu4BF7/2h+bHogOkrSSzqI59zHnynJP/sEQ6ZbzcdzmzM:ELfk+pJUu4BFWEO4SO57zSJcQZK
TLSH T16705E00461F95F19E47A67F58294020007FB7BAA613BE34C6EC9E0C76E75B010E67B6B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
325
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade 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:
88 / 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)
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-04 21:36:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
17eb6034a11f455133138541add26eecb22661fdb91e02f8661b6481b946ff98
MD5 hash:
d4b248711f6b1abb4b2d55e5e1c14967
SHA1 hash:
32f817b6be05c6ba7e5603bfdb8cc3761896b115
SH256 hash:
381cb59202de8ea2add8d42b2eee16107f6de78aa2423adb97e147a9bab44186
MD5 hash:
fa07f74fd819d20cba44d34d0a01948e
SHA1 hash:
ba374855e7482261a0083f481364b878a90a6d27
SH256 hash:
81eeca4fa96636bc05a43119d13460eb8399c48affc8f8ede2ca64ffbccd438f
MD5 hash:
46c1c0c5e86f5786f7e1c3adaca69355
SHA1 hash:
b20386aff8b40b594c82103e3ed81191cce3b095
SH256 hash:
0e632a46a8f54a2d0d277035b83df6e626ccdbee60b422f675f93f863e58666b
MD5 hash:
b306e84f5926d3fd89812e3737ebde95
SHA1 hash:
592f9b8fabacdd9480cc89d90254b1c63adcece2
SH256 hash:
c34dfbc328de247d25d670c3b7853f1dddd2ec2607d5dbb0480743b45a15ea64
MD5 hash:
85b87384830444e6ab86a4a692ce96cc
SHA1 hash:
0d7d4614cf31d27e68ebf48e76fb1d308cc08152
SH256 hash:
144eea27473695352b1dca78911d83a4752c720b571cbe901c74821734736778
MD5 hash:
b5e82db74772e2ad8ad797de3b0411f1
SHA1 hash:
e3cda9e999a1fe0e5a01b0b5157a329ece9a68a8
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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