MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72cf8615572e06a307e5bf51dd08a8a0be3c10865a3eb0329e221916a6e1cbba. 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: 72cf8615572e06a307e5bf51dd08a8a0be3c10865a3eb0329e221916a6e1cbba
SHA3-384 hash: d8d1e8122e1964a9b57334f6a643f42baffd0debd2542d782f7e56a26acd5b850c1ebcbece44b40acbaafdadb5ea2032
SHA1 hash: eb7d5a74e61384d14b5f206c4786f74080e754a9
MD5 hash: f402efc3a0a5fca8bf16179fe556ae51
humanhash: west-speaker-west-maryland
File name:RFQ_1220274_SH0601201.exe
Download: download sample
Signature Formbook
File size:720'896 bytes
First seen:2025-02-11 06:51:32 UTC
Last seen:2025-02-11 08:16:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:76+wIZT8L5oaovT2lPK7J7e06jzL2dsoQnDYDv3+yxCJiMBk1C8o6Io:G+wIZT8Lg2BKBxdsoCDY6p0l
TLSH T181E4E1C83B2AA706CD695B709534EDB153B81DA8B411F9E25FD93B8BB4AC7105E0CF06
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 44d48cc484ccc4a4 (11 x Formbook, 7 x MassLogger, 3 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
427
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
RFQ_1220274_SH0601201.exe
Verdict:
Malicious activity
Analysis date:
2025-02-11 07:12:00 UTC
Tags:
formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Tags:
virus micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Verdict:
UNKNOWN
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
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1611788 Sample: RFQ_1220274_SH0601201.exe Startdate: 11/02/2025 Architecture: WINDOWS Score: 100 32 www.jrwcbmc.xyz 2->32 34 www.omainservices.biz 2->34 36 4 other IPs or domains 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 46 8 other signatures 2->46 11 RFQ_1220274_SH0601201.exe 3 2->11         started        signatures3 44 Performs DNS queries to domains with low reputation 32->44 process4 file5 30 C:\Users\...\RFQ_1220274_SH0601201.exe.log, ASCII 11->30 dropped 58 Tries to detect virtualization through RDTSC time measurements 11->58 60 Injects a PE file into a foreign processes 11->60 62 Switches to a custom stack to bypass stack traces 11->62 15 RFQ_1220274_SH0601201.exe 11->15         started        18 RFQ_1220274_SH0601201.exe 11->18         started        signatures6 process7 signatures8 64 Modifies the context of a thread in another process (thread injection) 15->64 66 Maps a DLL or memory area into another process 15->66 68 Sample uses process hollowing technique 15->68 70 2 other signatures 15->70 20 explorer.exe 33 1 15->20 injected process9 signatures10 48 Uses netsh to modify the Windows network and firewall settings 20->48 23 netsh.exe 20->23         started        process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 23->50 52 Maps a DLL or memory area into another process 23->52 54 Tries to detect virtualization through RDTSC time measurements 23->54 56 Switches to a custom stack to bypass stack traces 23->56 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-02-11 01:06:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook unknown_loader_037
Similar samples:
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ty25 discovery rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Deletes itself
Downloads MZ/PE file
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
72cf8615572e06a307e5bf51dd08a8a0be3c10865a3eb0329e221916a6e1cbba
MD5 hash:
f402efc3a0a5fca8bf16179fe556ae51
SHA1 hash:
eb7d5a74e61384d14b5f206c4786f74080e754a9
SH256 hash:
b3fe872b4161e0b38005768b72657fc245b57e0fa2f993ed368ca44b74faafab
MD5 hash:
4dbf4a35c98d2bfdcac9430040600e6a
SHA1 hash:
c476c51af73e5fef85360a090dd2e1f2f5ee5143
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
e712bcd56fe64742c0f674f3acff83490f8103c260ea3389f56151b5066b7cd3
MD5 hash:
7bad4197d1ae020c9049a782eb9a71d2
SHA1 hash:
e1253047ea92beb7d161b106765ad8b03bc86b1e
SH256 hash:
acb7ccf5d4640c67a39acb73ba058969e457cc1f5f958aa1c6a722447e97fdc2
MD5 hash:
0d1b39b1eb1ed2e6376697f03a9857e0
SHA1 hash:
45000cdcdbc76ff00672b17c7362133129cec81c
SH256 hash:
24e35da7ef40d21ab7ed9eb7f89ace4d9f2ff39923ec1a3252cefc1eb088fafa
MD5 hash:
e83c5d189f79f9f3243791325b52259f
SHA1 hash:
ceb019254c1b54fa6efff8e00ad7a9f9426e33e1
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: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

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