MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 866793fb3e5da0b352d26f37db6deaa73b598019a29c0434da5a805c12fda095. 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: 12


Intelligence 12 IOCs YARA 17 File information Comments

SHA256 hash: 866793fb3e5da0b352d26f37db6deaa73b598019a29c0434da5a805c12fda095
SHA3-384 hash: 6277eafbd474a2b6e04260f702bbf1ccef592e5505c344c10dbde687b59f8c73864dd1ef459fb1c818c76e6763814add
SHA1 hash: d34061308542ffd1a0940dcbdca8fdf54aaa3b85
MD5 hash: 280b7fc7691f4ef2ab7e4fd6a0ed9c62
humanhash: wolfram-cat-william-massachusetts
File name:SecuriteInfo.com.Win32.PWSX-gen.9403.13485
Download: download sample
Signature Formbook
File size:629'760 bytes
First seen:2023-11-03 19:13:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:dALLsbJC65ntJmIoOoXpaxl7DAdMpMAwDADqS:dALLsb77oa8SHq
Threatray 19 similar samples on MalwareBazaar
TLSH T10AD4122877B95B11DAFF87F618A02444077670EF7566F78C0D9061DB2261B80AFA1F2B
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 :
330
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1336893 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 03/11/2023 Architecture: WINDOWS Score: 100 26 www.4juris.xyz 2->26 28 www.waterdropdilter.com 2->28 30 12 other IPs or domains 2->30 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 Multi AV Scanner detection for submitted file 2->50 54 4 other signatures 2->54 10 SecuriteInfo.com.Win32.PWSX-gen.9403.13485.exe 3 2->10         started        signatures3 52 Performs DNS queries to domains with low reputation 26->52 process4 signatures5 56 Writes to foreign memory regions 10->56 58 Allocates memory in foreign processes 10->58 60 Injects a PE file into a foreign processes 10->60 13 RegSvcs.exe 10->13         started        process6 signatures7 62 Maps a DLL or memory area into another process 13->62 16 qvzmiFaXGFZdlRmnpKcnDXGXFbU.exe 13->16 injected process8 process9 18 unregmp2.exe 13 16->18         started        signatures10 38 Tries to steal Mail credentials (via file / registry access) 18->38 40 Tries to harvest and steal browser information (history, passwords, etc) 18->40 42 Writes to foreign memory regions 18->42 44 3 other signatures 18->44 21 qvzmiFaXGFZdlRmnpKcnDXGXFbU.exe 18->21 injected 24 firefox.exe 18->24         started        process11 dnsIp12 32 4juris.xyz 198.136.59.220, 49745, 49746, 49747 DIMENOCUS United States 21->32 34 www.pmiy0a.cfd 107.148.95.217, 49753, 49754, 80 PEGTECHINCUS United States 21->34 36 5 other IPs or domains 21->36
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-03 19:14:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
0ba1122a32e87e976c3c1076bc93d38b8da59635dd7541bbbe393cd6b76170ee
MD5 hash:
114a8ee279e136584a12827ac26ede30
SHA1 hash:
72a7bed5b5e5c5a69a5570772d22418bbe55e9f9
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
2fc6e7a93e0fbed4e6ca48c98af13c7339db7bff52a1bdce39b1c83c8e453878
MD5 hash:
af053f732b77a9c89118b0e73d2dd656
SHA1 hash:
64b34d32f5dca8ec21ffeceebe6d6c9dfc562c4d
SH256 hash:
15d80755306e2f0cd9e5f3634ca4ba5642f7c0ecdb341bef45b9204d09063ac3
MD5 hash:
a2fa10b5d8886aed1694730753f3a98a
SHA1 hash:
0662f4cf0a63fda35d440d3830990c93dda63c1b
SH256 hash:
866793fb3e5da0b352d26f37db6deaa73b598019a29c0434da5a805c12fda095
MD5 hash:
280b7fc7691f4ef2ab7e4fd6a0ed9c62
SHA1 hash:
d34061308542ffd1a0940dcbdca8fdf54aaa3b85
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: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