MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa75be54659c7ffd8f59a49687c1ddf79c333861043831395b0fb10b87401f7d. 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: 11


Intelligence 11 IOCs YARA 17 File information Comments

SHA256 hash: fa75be54659c7ffd8f59a49687c1ddf79c333861043831395b0fb10b87401f7d
SHA3-384 hash: de603eac98318c8ad8a9c261c776dcef7921e2c924120a280959fec621b10073ac37e94b703237d06c82ab309efd45f2
SHA1 hash: 1944ee9f3e45051d9471507839070dfe8da468ee
MD5 hash: 49300011797b20fcccb64e9f0642e212
humanhash: california-mexico-seven-football
File name:SecuriteInfo.com.Trojan.Inject4.59820.201.31258
Download: download sample
Signature Formbook
File size:642'560 bytes
First seen:2023-10-30 16:49:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:e8+69yqLTZbMtFnHTzI9pJFsRODU7eKP8spxliE6agz4pxMzuVJ:K6X3Q/iF+73U4SE6nirb
Threatray 18 similar samples on MalwareBazaar
TLSH T1C1D42282B9ED0B14C7FD5FF2C9F1816013B700B915E2DB4D1E8E63CD0AB6B4856A16A7
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)
File icon (PE):PE icon
dhash icon c4c6a2202e223684 (12 x AgentTesla, 8 x Formbook, 2 x Loki)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
340
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
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
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
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:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2023-10-30 15:19:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
17 of 24 (70.83%)
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:
eea319b7932453ae34203a7167e64c2bc89b4e8ca1987fb8c9ba0872cac6270d
MD5 hash:
837acc2c304e1dd8a16e539c0651aed4
SHA1 hash:
3741305d5a77a7107287fad1f1077b0af1878a3c
SH256 hash:
0ba1122a32e87e976c3c1076bc93d38b8da59635dd7541bbbe393cd6b76170ee
MD5 hash:
114a8ee279e136584a12827ac26ede30
SHA1 hash:
72a7bed5b5e5c5a69a5570772d22418bbe55e9f9
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
cdbad62028fe6ab670ee3f6cd0255c16dce9a7c53d9a68f07c416be6d4a8a5c9
MD5 hash:
868aff4681aa2b1039fd9bb96444935b
SHA1 hash:
c83ac93fb200a85c465fe666b8ffbc9e8da9d73e
SH256 hash:
a311c67e0bb00a74da93860302adb22926bedbf253cccd412609e8865aaa3577
MD5 hash:
4d9a190baac47411916c5ea0c62ebe91
SHA1 hash:
c54bb84403c45557daa8ddfc23ab94b507b332b9
SH256 hash:
fa75be54659c7ffd8f59a49687c1ddf79c333861043831395b0fb10b87401f7d
MD5 hash:
49300011797b20fcccb64e9f0642e212
SHA1 hash:
1944ee9f3e45051d9471507839070dfe8da468ee
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: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