MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 22c52e17a54bd53ba24aadbfdaf2bccb14824594abe0b705e51f7c948296b1fc. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments

SHA256 hash: 22c52e17a54bd53ba24aadbfdaf2bccb14824594abe0b705e51f7c948296b1fc
SHA3-384 hash: f0ef98d42bb62551fabe43c11dfaa0a29a726b900ba38446b9dfccbf71687b22ed550dc34456079445fbde9c7fbb7fe7
SHA1 hash: c0a0575eb2b00086e8be3e4a81aa87634094bb39
MD5 hash: dbd83aeb10d6831b2bf15d1462f910b8
humanhash: thirteen-orange-sad-football
File name:22c52e17a54bd53ba24aadbfdaf2bccb14824594abe0b705e51f7c948296b1fc
Download: download sample
Signature Formbook
File size:672'768 bytes
First seen:2025-04-08 08:20:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'453 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:NdGlYyOn6nzxrVNflnVzMLIlfZViZ+dPbcP6hnfc/B1ZMvzz3fhi9u9:gY9n6nRVNl7RLis186e/B1ZkRiE
Threatray 423 similar samples on MalwareBazaar
TLSH T1FDE40258674DC617CA955B785A70F67D13782E9EE802E3038FDDACEFB832B115C88186
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 adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
320
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
22c52e17a54bd53ba24aadbfdaf2bccb14824594abe0b705e51f7c948296b1fc
Verdict:
No threats detected
Analysis date:
2025-04-08 11:55:04 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
agenttesla virus shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
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
Antivirus / Scanner detection for submitted sample
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1659824 Sample: SIACfV3ETv.exe Startdate: 08/04/2025 Architecture: WINDOWS Score: 100 38 www.resencepeople.net 2->38 40 www.owevrcast.store 2->40 42 9 other IPs or domains 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 8 other signatures 2->50 11 SIACfV3ETv.exe 4 2->11         started        signatures3 process4 file5 36 C:\Users\user\AppData\...\SIACfV3ETv.exe.log, ASCII 11->36 dropped 54 Adds a directory exclusion to Windows Defender 11->54 56 Tries to detect virtualization through RDTSC time measurements 11->56 58 Injects a PE file into a foreign processes 11->58 60 Switches to a custom stack to bypass stack traces 11->60 15 SIACfV3ETv.exe 11->15         started        18 powershell.exe 23 11->18         started        20 SIACfV3ETv.exe 11->20         started        signatures6 process7 signatures8 70 Modifies the context of a thread in another process (thread injection) 15->70 72 Maps a DLL or memory area into another process 15->72 74 Sample uses process hollowing technique 15->74 78 2 other signatures 15->78 22 explorer.exe 96 1 15->22 injected 76 Loading BitLocker PowerShell Module 18->76 25 WmiPrvSE.exe 18->25         started        27 conhost.exe 18->27         started        process9 signatures10 52 Uses netstat to query active network connections and open ports 22->52 29 NETSTAT.EXE 22->29         started        process11 signatures12 62 Modifies the context of a thread in another process (thread injection) 29->62 64 Maps a DLL or memory area into another process 29->64 66 Tries to detect virtualization through RDTSC time measurements 29->66 68 Switches to a custom stack to bypass stack traces 29->68 32 cmd.exe 1 29->32         started        process13 process14 34 conhost.exe 32->34         started       
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2025-03-25 12:23:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:mj25 discovery execution rat spyware stealer trojan
Behaviour
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
Unpacked files
SH256 hash:
22c52e17a54bd53ba24aadbfdaf2bccb14824594abe0b705e51f7c948296b1fc
MD5 hash:
dbd83aeb10d6831b2bf15d1462f910b8
SHA1 hash:
c0a0575eb2b00086e8be3e4a81aa87634094bb39
SH256 hash:
e26e9de668dc5e87a5c7b380455b96748bed765c440d356ae6c3b943746f9c21
MD5 hash:
39ef169581f56d3f0b3a452bd5243c43
SHA1 hash:
07b3111c187ace767359c639057f999052602830
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
0cb3ef66e45c82757b887b7094d680a355ff03e6d58dd028fdc1d33f3e940f4b
MD5 hash:
63bfbd7b11e4a5b3b3e190fc2cd67641
SHA1 hash:
1ad2d20097d4b2f85f2c432d4b0cadf6a6d99b4c
SH256 hash:
463c9ed15c916e9dde851692ee47eff8caef6c8e143331de21e90fe334877130
MD5 hash:
c1bc24da391026cbd821d4d7548b4559
SHA1 hash:
7abb3acb559c60f56672ced0952419e48564a2c1
Detections:
win_formbook_w0 win_formbook_g0 win_formbook_auto FormBook Windows_Trojan_Formbook Formbook
Parent samples :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 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.

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

Comments