MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments

SHA256 hash: 59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f
SHA3-384 hash: a82f76813e92950149b14c67dffa2c525bc4459adba84c7a522d39b67f17fd5e1f5d6a06998d400999ddecd7d87510d8
SHA1 hash: e953f684bb1202b467984ad17c988c612b6aa37f
MD5 hash: 8608c1a35800f1b1d6c49401800fd3ea
humanhash: music-oscar-sink-april
File name:59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f
Download: download sample
Signature Formbook
File size:647'168 bytes
First seen:2025-01-10 14:07:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:5nCvtqevGPoF8ZzJiL8ZUtdOisOMM9CVwyiz9K5+4uTmZUJmEj:MtVPUJigudOsyFw40kUUE
TLSH T1E5D4016C1619E507C85A9BB80AA2F1B417395DDEF941E30B6FC96CEBB9BBF044C05183
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 :
174
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f
Verdict:
No threats detected
Analysis date:
2025-01-10 15:04:43 UTC
Tags:
n/a

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
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:
packed packed packer_detected
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
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
Loading BitLocker PowerShell Module
Machine Learning detection for sample
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
Performs DNS queries to domains with low reputation
Query firmware table information (likely to detect VMs)
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: 1587633 Sample: pHJHY4JYP1.exe Startdate: 10/01/2025 Architecture: WINDOWS Score: 100 41 www.oshon.xyz 2->41 43 www.enaydereli.xyz 2->43 45 4 other IPs or domains 2->45 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 57 8 other signatures 2->57 11 pHJHY4JYP1.exe 4 2->11         started        signatures3 55 Performs DNS queries to domains with low reputation 43->55 process4 file5 39 C:\Users\user\AppData\...\pHJHY4JYP1.exe.log, ASCII 11->39 dropped 69 Adds a directory exclusion to Windows Defender 11->69 71 Tries to detect virtualization through RDTSC time measurements 11->71 73 Switches to a custom stack to bypass stack traces 11->73 15 pHJHY4JYP1.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 process7 signatures8 75 Modifies the context of a thread in another process (thread injection) 15->75 77 Maps a DLL or memory area into another process 15->77 79 Sample uses process hollowing technique 15->79 83 2 other signatures 15->83 20 explorer.exe 30 1 15->20 injected 81 Loading BitLocker PowerShell Module 18->81 23 WmiPrvSE.exe 18->23         started        25 conhost.exe 18->25         started        process9 signatures10 59 Uses netstat to query active network connections and open ports 20->59 27 NETSTAT.EXE 20->27         started        30 WerFault.exe 21 20->30         started        process11 signatures12 61 Modifies the context of a thread in another process (thread injection) 27->61 63 Maps a DLL or memory area into another process 27->63 65 Tries to detect virtualization through RDTSC time measurements 27->65 67 Switches to a custom stack to bypass stack traces 27->67 32 explorer.exe 27->32         started        35 cmd.exe 1 27->35         started        process13 signatures14 47 Query firmware table information (likely to detect VMs) 32->47 37 conhost.exe 35->37         started        process15
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2024-10-08 10:17:02 UTC
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:t18n 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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
8ad99cfebd3e68d456ab3a2829f6f98aaa270e6afcd33309946a8b4f3690eb80
MD5 hash:
46fb1d9181c7a7e6de879dcb78330441
SHA1 hash:
167f5f4cfee1e3396bc0c22408c1ea597d86c263
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
682c261fcd08c676ef231f46eac1c054c8df17522846b9e4adbafb62e8482dab
MD5 hash:
5a6cead6de3340dd9e0b16d599e5d1f5
SHA1 hash:
00e25f93284ff0d2493c6df3a596891d0848399e
SH256 hash:
59b61cae949f25e521294989968bef92ec65ec67022bfd11179c5ff1daea4d5f
MD5 hash:
8608c1a35800f1b1d6c49401800fd3ea
SHA1 hash:
e953f684bb1202b467984ad17c988c612b6aa37f
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
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