MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f083c69e9070bb7d48eac9f06da6503a9f47829536bfa94065be7385f12ce07c. 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: 19


Intelligence 19 IOCs YARA 5 File information Comments

SHA256 hash: f083c69e9070bb7d48eac9f06da6503a9f47829536bfa94065be7385f12ce07c
SHA3-384 hash: b3242a357973b066df7b33554a825664cba3fd6121f33ca6b7a56b36e20aaff42d30ba4b8e3bc4a46b5121ce234dea52
SHA1 hash: 4f0368a8b07f060641cb597b41446bcd04262254
MD5 hash: 7de22fd151b5674670717a5c0ba490d7
humanhash: august-edward-pip-juliet
File name:IsIH24i7ypq0O5p.exe
Download: download sample
Signature Formbook
File size:822'784 bytes
First seen:2025-02-24 09:59:28 UTC
Last seen:2025-03-10 11:30:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:sNLVag6YeXY/e1rrtjnCMXWNBiJFWfTj9NxZEhAKGkbEVvtOmQXdIN8xPJbNy2:bRrtjCMXOoOfFZz26vqdg8t/y2
TLSH T1B405CF041398C90AD13F677859B4C1704FB96E6EF962D31A5ED4ACEB7EB6B008E12347
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
42
Origin country :
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
IsIH24i7ypq0O5p.exe
Verdict:
Malicious activity
Analysis date:
2025-02-24 10:04:03 UTC
Tags:
formbook stealer xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
virus shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected vbnet
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:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Reads the DNS cache
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1622592 Sample: IsIH24i7ypq0O5p.exe Startdate: 24/02/2025 Architecture: WINDOWS Score: 100 60 www.evalora.xyz 2->60 62 www.ealturmat.xyz 2->62 64 9 other IPs or domains 2->64 78 Found malware configuration 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 Antivirus detection for URL or domain 2->82 86 8 other signatures 2->86 11 IsIH24i7ypq0O5p.exe 7 2->11         started        15 hRmtPVEHpZVz.exe 5 2->15         started        signatures3 84 Performs DNS queries to domains with low reputation 62->84 process4 file5 52 C:\Users\user\AppData\...\hRmtPVEHpZVz.exe, PE32 11->52 dropped 54 C:\Users\...\hRmtPVEHpZVz.exe:Zone.Identifier, ASCII 11->54 dropped 56 C:\Users\user\AppData\Local\...\tmp90D1.tmp, XML 11->56 dropped 58 C:\Users\user\...\IsIH24i7ypq0O5p.exe.log, ASCII 11->58 dropped 98 Uses schtasks.exe or at.exe to add and modify task schedules 11->98 100 Writes to foreign memory regions 11->100 102 Allocates memory in foreign processes 11->102 104 Adds a directory exclusion to Windows Defender 11->104 17 RegSvcs.exe 11->17         started        20 powershell.exe 23 11->20         started        22 powershell.exe 23 11->22         started        24 schtasks.exe 1 11->24         started        106 Multi AV Scanner detection for dropped file 15->106 108 Injects a PE file into a foreign processes 15->108 26 RegSvcs.exe 15->26         started        28 schtasks.exe 15->28         started        signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 17->66 68 Maps a DLL or memory area into another process 17->68 70 Sample uses process hollowing technique 17->70 76 2 other signatures 17->76 30 explorer.exe 55 1 17->30 injected 72 Loading BitLocker PowerShell Module 20->72 33 conhost.exe 20->33         started        35 WmiPrvSE.exe 20->35         started        37 conhost.exe 22->37         started        39 conhost.exe 24->39         started        74 Found direct / indirect Syscall (likely to bypass EDR) 26->74 41 conhost.exe 28->41         started        process9 signatures10 110 Uses ipconfig to lookup or modify the Windows network settings 30->110 43 ipconfig.exe 30->43         started        46 ipconfig.exe 30->46         started        process11 signatures12 88 Reads the DNS cache 43->88 90 Tries to detect virtualization through RDTSC time measurements 43->90 92 Switches to a custom stack to bypass stack traces 43->92 94 Modifies the context of a thread in another process (thread injection) 46->94 96 Maps a DLL or memory area into another process 46->96 48 cmd.exe 46->48         started        process13 process14 50 conhost.exe 48->50         started       
Threat name:
ByteCode-MSIL.Trojan.Genie
Status:
Malicious
First seen:
2025-02-24 07:52:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:my18 discovery execution rat spyware stealer trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
f083c69e9070bb7d48eac9f06da6503a9f47829536bfa94065be7385f12ce07c
MD5 hash:
7de22fd151b5674670717a5c0ba490d7
SHA1 hash:
4f0368a8b07f060641cb597b41446bcd04262254
SH256 hash:
e80a463e16b14b43e4112cb8f0cb0cf44ff245be592202042373a02b9ea4deb9
MD5 hash:
bbea1aafd0d7058f6f46c8ceff355f96
SHA1 hash:
14ca07073c0a943129823d6532358a55761a203f
SH256 hash:
bfdbc41e2d69c205d16062d9dd12a4ffd3c52ec52b1a03c2e199a520c4bf1032
MD5 hash:
0456d4e3a2a7e52dfb7ff0516cd5d6e9
SHA1 hash:
7860821d8265f8249a79e425ba91b439a9c7acdb
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
014af1eeb386d2d55905a3a9e582d070fb7fb04fd6167dfdcf5fe40ef4628035
MD5 hash:
fab7758d7c5b6317d1559d5c06aba0e0
SHA1 hash:
039e53c637bc55803e95e5cb8782120b61f93f0c
Detections:
win_formbook_w0 win_formbook_g0 win_formbook_auto FormBook Windows_Trojan_Formbook Formbook
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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Malspam

Formbook

Executable exe f083c69e9070bb7d48eac9f06da6503a9f47829536bfa94065be7385f12ce07c

(this sample)

  
Delivery method
Other

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_TRUST_INFORequires Elevated Execution (Unrestricted:true)high

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