MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5d7a9b5347d9c624a68faad5129bbf34be4de53e91375cb4f74b97bc2175257. 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 21 File information Comments

SHA256 hash: e5d7a9b5347d9c624a68faad5129bbf34be4de53e91375cb4f74b97bc2175257
SHA3-384 hash: 7569c38d90344e9b2cbd76c786b7a56c9e726bee8fef22636f01313ef7097a9ba093a4c14f7bd1ddf424a8ba1ac8b729
SHA1 hash: 83c732794fc061fe19760e27566b8d26f97f42e0
MD5 hash: 8ffdd7c6fa423f11f2609bab82e66f44
humanhash: network-finch-iowa-cold
File name:30102023_678096234678909750.exe
Download: download sample
Signature Formbook
File size:927'232 bytes
First seen:2023-10-30 06:50:02 UTC
Last seen:2023-10-30 08:57:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:YzudAOejUmKvlC7zboTlsib8k6+zgw4GufeKBu+ICiOlrdh7O:Y5OejUbNuulsyb60gwYGCu+xRlrX7
Threatray 12 similar samples on MalwareBazaar
TLSH T1E7155A3C48BD1637C1B4EFE59B998416B2E0A56F3255AD3899E318D60212B06FDC393F
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 lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
305
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Restart of the analyzed sample
Creating a file
Creating a window
DNS request
Сreating synchronization primitives
Unauthorized injection to a recently created process
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
.NET source code contains very large array initializations
.NET source code contains very large strings
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 domain / URL
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.AgentTesla
Status:
Malicious
First seen:
2023-10-30 06:51:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
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
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
a6e1f3e5efbf868d3b82855960d1055f8b17c8a600c1e9bfb1eb5e7059fcc6b6
MD5 hash:
6bb34694dc8b09b0e18048241fc2ffea
SHA1 hash:
d4a43642006c4f0e1d9326f5b508997f39defbe5
SH256 hash:
8c81cf78fbc08b4e314c53b79ccbbe947df3eace2b2cd7028075365fa03d7d31
MD5 hash:
0f1faae927cfa8ec015a6a4c9d4054fd
SHA1 hash:
e24022e2b57784396193b2a00d0f4ade706e8b8b
SH256 hash:
44a8ceca90bca826bf2e7faf5f4fea24a30f97fe75f2553b7ae26784de8ea856
MD5 hash:
be8d0f301d6a450aa2d219470ded392d
SHA1 hash:
f075b8e525d2cb768f0ed4f07a34e35570b31b9a
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
6a67bcf4ab0afcf913de0b8efbcea345a9362924bd5ced0a60ffe2ac4ebe045b
MD5 hash:
8f1b62ac65ea6f413b5071ca12e12955
SHA1 hash:
2e7668db134148bb065320c21637b2de05fdcad8
SH256 hash:
e5d7a9b5347d9c624a68faad5129bbf34be4de53e91375cb4f74b97bc2175257
MD5 hash:
8ffdd7c6fa423f11f2609bab82e66f44
SHA1 hash:
83c732794fc061fe19760e27566b8d26f97f42e0
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:meth_stackstrings
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
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_w0
Author:@malgamy12

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe e5d7a9b5347d9c624a68faad5129bbf34be4de53e91375cb4f74b97bc2175257

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments