MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1fe25d79b21662c4fff8db11a3b23d860f4fcc1357767770166cb481fd1231fa. 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: 18


Intelligence 18 IOCs YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1fe25d79b21662c4fff8db11a3b23d860f4fcc1357767770166cb481fd1231fa
SHA3-384 hash: b824921182000ad04cc1cb6b4e4967c120f3857dfdc0cd0584af64d33a35231dd5823fd690ecdc44ee2a3104d2142209
SHA1 hash: ba10b407cc59b1481c6ab8232f240151c6d2c37d
MD5 hash: a1e8ce55f563da2aac18459a9ccc283f
humanhash: tennessee-island-river-johnny
File name:1fe25d79b21662c4fff8db11a3b23d860f4fcc1357767770166cb481fd1231fa
Download: download sample
Signature Formbook
Create hunting rule
File size:779'264 bytes
First seen:2025-03-10 12:03:21 UTC
Last seen:2025-03-10 13:10:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:IzQgr7W7XDYa4ozVWXXvC1m2bfjM1MW+aYlnMZ4DDNev/Y0pN796Bydzfr9AW:QQgrSfYpkVkXfUfI1MXumfNO/YuNR6BE
Threatray 93 similar samples on MalwareBazaar
TLSH T1B8F401181709CA57C69E4B39D5B2F2750BFD8DDAB642E39A9AC97EFF3099B100D40093
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
dhash icon b0b268e8ccd486a2 (11 x Formbook, 5 x SnakeKeylogger, 3 x MassLogger)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
340
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1fe25d79b21662c4fff8db11a3b23d860f4fcc1357767770166cb481fd1231fa
Verdict:
Malicious activity
Analysis date:
2025-03-10 17:16:59 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6c6b454b-c47e-4367-8f78-b4f28977fd58

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67cede7b1f777fe306089d2b
Tags:
shell virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Searching for synchronization primitives
Creating a window
Launching a service
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
infostealer obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67ced5423c5f644bd94b2578/reports/217f9ecf-b022-4507-9bf9-4cbff20ec868/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/1fe25d79b21662c4fff8db11a3b23d860f4fcc1357767770166cb481fd1231fa
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4a5cacdd-412e-464b-93b2-eb21e1aff7f8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1633607
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: CMSTP Execution Process Creation
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1633607 Sample: wL9AW58ZVq.exe Startdate: 10/03/2025 Architecture: WINDOWS Score: 100 37 www.ogel.ltd 2->37 39 www.oelsharon.online 2->39 41 5 other IPs or domains 2->41 45 Suricata IDS alerts for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 10 other signatures 2->51 11 wL9AW58ZVq.exe 11 4 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\wL9AW58ZVq.exe.log, ASCII 11->35 dropped 55 Adds a directory exclusion to Windows Defender 11->55 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 61 Switches to a custom stack to bypass stack traces 11->61 15 wL9AW58ZVq.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 79 2 other signatures 15->79 20 explorer.exe 32 1 15->20 injected 77 Loading BitLocker PowerShell Module 18->77 24 conhost.exe 18->24         started        26 WmiPrvSE.exe 18->26         started        process9 dnsIp10 43 fwd3.hosts.co.uk 85.233.160.24, 49698, 80 ISIONUKNamescoLimitedGB United Kingdom 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 28 cmstp.exe 20->28         started        signatures11 process12 signatures13 63 Modifies the context of a thread in another process (thread injection) 28->63 65 Maps a DLL or memory area into another process 28->65 67 Tries to detect virtualization through RDTSC time measurements 28->67 69 Switches to a custom stack to bypass stack traces 28->69 31 cmd.exe 1 28->31         started        process14 process15 33 conhost.exe 31->33         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1fe25d79b21662c4fff8db11a3b23d860f4fcc1357767770166cb481fd1231fa
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1fe25d79b21662c4fff8db11a3b23d860f4fcc1357767770166cb481fd1231fa/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-02-26 18:55:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d7rf26nsczrmj77y3mi2hmr5qyhu7tatk53ho4awns2id7isgh5a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa
Formbook
1fe25d79b21662c4fff8db11a3b23d860f4fcc1357767770166cb481fd1231fa
Formbook
683e3979cc09db086095cbe840901b82951df941ed461f89a67b98bd0ffe5ff9
Formbook
b51868a125a577733f6208c4f11c8887aca278b339abe7f62fe2a4808a8399aa
Formbook
ee36c7ba8bf12b0e83bd28ceae23e6db0de8038040aac25e76f0921235a51449
Formbook
error
Formbook
fffcac101917438d0e914c5967ce1fec5dea4a776965b7740c7f45ec91480c37
Formbook
+ 83 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:mj25 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250310-n8n3zstnx3/
Behaviour
Checks processor information in registry
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
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3d659c16-b4f6-4725-bfda-9154f571313a
Unpacked files
SH256 hash:
c344b85c368b4d5357411215d9f3b9e18c33435da79cefdf89ef7bfb03b19b48
MD5 hash:
b76f33e3393a5f7ff78239a68b65b6d6
SHA1 hash:
9a1bcd262404d367f1ea1197a46a642506e3203b
Link:
https://www.unpac.me/results/1b11cd86-c26b-4518-96dc-a78a8e8d6882/
SH256 hash:
8a354dbb681ab1de1b59f6c362d091e2f080daf9a0be5298703629037fc98a56
MD5 hash:
fdbaa24e81ed76571624daeb24499a3a
SHA1 hash:
f111b5cde7a3ad11c392fddc4b2e52ea07f9db6f
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/1b11cd86-c26b-4518-96dc-a78a8e8d6882/
SH256 hash:
463c9ed15c916e9dde851692ee47eff8caef6c8e143331de21e90fe334877130
MD5 hash:
c1bc24da391026cbd821d4d7548b4559
SHA1 hash:
7abb3acb559c60f56672ced0952419e48564a2c1
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/1b11cd86-c26b-4518-96dc-a78a8e8d6882/
Parent samples :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 hash:
1fe25d79b21662c4fff8db11a3b23d860f4fcc1357767770166cb481fd1231fa
MD5 hash:
a1e8ce55f563da2aac18459a9ccc283f
SHA1 hash:
ba10b407cc59b1481c6ab8232f240151c6d2c37d
Link:
https://www.unpac.me/results/1b11cd86-c26b-4518-96dc-a78a8e8d6882/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1fe25d79b21662c4fff8db11a3b23d860f4fcc1357767770166cb481fd1231fa

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:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
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 (GUARD_CF)high

Comments