MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5b6f53a68279ba7bd78158a4003e1ccb9b70cd4681627e34a1c4ec228c9f485. 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: 15


Intelligence 15 IOCs YARA 8 File information Comments

SHA256 hash: d5b6f53a68279ba7bd78158a4003e1ccb9b70cd4681627e34a1c4ec228c9f485
SHA3-384 hash: 330380ecf8a23f1a195b43d8486c1be5c3eec05c163cc98c0ba1cb0e69cfdea7c104b3475641cf6132e5e64e554c60c2
SHA1 hash: 2069f3f8e3f6a544d25c4d0e26fe1a17da6ef3b3
MD5 hash: e0c25f451dca76b6c7289990496877d5
humanhash: three-don-juliet-florida
File name:d5b6f53a68279ba7bd78158a4003e1ccb9b70cd4681627e34a1c4ec228c9f485
Download: download sample
Signature Formbook
File size:879'624 bytes
First seen:2025-01-10 14:51:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:Su2uOzboS3HPneM7CHNG9YMiTeChyJygXu2K:wuSbT3HPpuHNNzeQ3EK
Threatray 1'346 similar samples on MalwareBazaar
TLSH T18D15CFD03F3A7701DE78B930C539EDB962642EA47000B8E3AEDD2B5776D9202A91CF55
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
File icon (PE):PE icon
dhash icon 84b2a8a0e2dab28c (7 x Formbook, 2 x AgentTesla, 1 x RemcosRAT)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
370
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d5b6f53a68279ba7bd78158a4003e1ccb9b70cd4681627e34a1c4ec228c9f485
Verdict:
Malicious activity
Analysis date:
2025-01-11 00:04:28 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
virus micro 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
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit 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
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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 signatures2 2 Behavior Graph ID: 1587908 Sample: yqLSDtC7P5.exe Startdate: 10/01/2025 Architecture: WINDOWS Score: 100 43 Sigma detected: Scheduled temp file as task from temp location 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected FormBook 2->47 49 4 other signatures 2->49 8 yqLSDtC7P5.exe 7 2->8         started        process3 file4 35 C:\Users\user\AppData\...\VaxFEKDYKaWAA.exe, PE32 8->35 dropped 37 C:\...\VaxFEKDYKaWAA.exe:Zone.Identifier, ASCII 8->37 dropped 39 C:\Users\user\AppData\Local\...\tmpDF5D.tmp, XML 8->39 dropped 41 C:\Users\user\AppData\...\yqLSDtC7P5.exe.log, ASCII 8->41 dropped 51 Uses schtasks.exe or at.exe to add and modify task schedules 8->51 53 Writes to foreign memory regions 8->53 55 Allocates memory in foreign processes 8->55 57 2 other signatures 8->57 12 VaxFEKDYKaWAA.exe 5 8->12         started        15 powershell.exe 23 8->15         started        17 powershell.exe 23 8->17         started        19 2 other processes 8->19 signatures5 process6 signatures7 59 Multi AV Scanner detection for dropped file 12->59 61 Machine Learning detection for dropped file 12->61 63 Writes to foreign memory regions 12->63 67 2 other signatures 12->67 21 schtasks.exe 1 12->21         started        23 RegSvcs.exe 12->23         started        65 Loading BitLocker PowerShell Module 15->65 25 WmiPrvSE.exe 15->25         started        27 conhost.exe 15->27         started        29 conhost.exe 17->29         started        31 conhost.exe 19->31         started        process8 process9 33 conhost.exe 21->33         started       
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2024-12-17 18:06:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
18dfa7cb9347f7a3ca52bbdb2a1788e38f0c5843540de1d3a18ada129dbbeeaf
MD5 hash:
3f9b232a5db771501c3ba872728b9482
SHA1 hash:
8713b892c3caf73152038eba1fe1391dd4e6250b
Detections:
win_formbook_g0
SH256 hash:
117c984a4b6c0bc0d29ee3bee08babe51bf8e5e9288726974c200fd5ca58ed10
MD5 hash:
bc07fcf586482a89d878684072409c5a
SHA1 hash:
ca195505dd9659666eb029983f6e189ce316ae9e
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SH256 hash:
6635273c62f05e01bf0d9859de8498634543d63f1f537d839c57ba7b9f7b0e89
MD5 hash:
d101348f1b472a7c48ca05621acdc224
SHA1 hash:
510d59352518b549cf8498cdaab39c33deca473e
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
1ac1dfe9d91fcc2e76da03e0d04d83a4d85241804b33e9a3172695f2237ef7b2
MD5 hash:
40a2e9f91289d4541723fc4ac297fc9f
SHA1 hash:
4306d6e665ebb5df1be4598487e54f248389ace6
SH256 hash:
d5b6f53a68279ba7bd78158a4003e1ccb9b70cd4681627e34a1c4ec228c9f485
MD5 hash:
e0c25f451dca76b6c7289990496877d5
SHA1 hash:
2069f3f8e3f6a544d25c4d0e26fe1a17da6ef3b3
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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
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.

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

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