MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9adb74d4a3e30d322e070b91da3865ae8c7b71dd0f4ebce22538d0ef73a55264. 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: 19


Intelligence 19 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9adb74d4a3e30d322e070b91da3865ae8c7b71dd0f4ebce22538d0ef73a55264
SHA3-384 hash: 473c62403359ca61e3e0a6495850268e0b48fe50043fc195709fbf7c32b9ed2fc11d286ef819df1c311507c1c9acaec6
SHA1 hash: 27e594a6814393331674014791cea927caeaf4a1
MD5 hash: 548723a3e99422d6ccf19ae013010e1b
humanhash: north-nevada-fillet-seven
File name:RFQ403065852.pdf.bat
Download: download sample
Signature Formbook
Create hunting rule
File size:684'552 bytes
First seen:2024-09-10 06:58:00 UTC
Last seen:2024-09-10 07:34:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:TkcZDcY/I1Y+04N46gUgXdaWzLgT4yOXqthDSRhIiKKKEA1A9/kR:YcBM1gzzXl9RXq32DKKKEGZ
TLSH T1D5E412A7B324E813DA9A0BB404B5D7710B792F1EE621C3DA4DEE5CDB78497812804F5B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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 c80e173333170ec8 (7 x Formbook, 4 x AgentTesla, 1 x MassLogger)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
461
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
RFQ403065852.pdf.bat
Verdict:
Malicious activity
Analysis date:
2024-09-10 06:59:17 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/c3303f3c-a9cb-48c1-b349-496297f79e2a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.8326.30025.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66dfedfc76bc4542b04950cb
Tags:
Encryption Execution Network Static Stealth Msil
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay packed phishing
Link:
https://www.filescan.io/uploads/66dfedfc79cd907bfff104c9/reports/35b1da59-b789-4e0e-8473-f4663a4d752b/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/9adb74d4a3e30d322e070b91da3865ae8c7b71dd0f4ebce22538d0ef73a55264
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/53a340ea-255e-4760-8f21-c2ba03c22c18
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1508455
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
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
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
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
Tries to resolve many domain names, but no domain seems valid
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1508455 Sample: RFQ403065852.pdf.bat.exe Startdate: 10/09/2024 Architecture: WINDOWS Score: 100 35 www.xrmxfh150.xyz 2->35 37 www.uikfox.click 2->37 39 9 other IPs or domains 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 49 10 other signatures 2->49 11 RFQ403065852.pdf.bat.exe 4 2->11         started        signatures3 47 Performs DNS queries to domains with low reputation 35->47 process4 file5 33 C:\Users\...\RFQ403065852.pdf.bat.exe.log, ASCII 11->33 dropped 59 Writes to foreign memory regions 11->59 61 Allocates memory in foreign processes 11->61 63 Adds a directory exclusion to Windows Defender 11->63 65 Injects a PE file into a foreign processes 11->65 15 RegSvcs.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 75 3 other signatures 15->75 20 explorer.exe 64 1 15->20 injected 73 Loading BitLocker PowerShell Module 18->73 22 WmiPrvSE.exe 18->22         started        24 conhost.exe 18->24         started        process9 process10 26 mstsc.exe 20->26         started        signatures11 51 Modifies the context of a thread in another process (thread injection) 26->51 53 Maps a DLL or memory area into another process 26->53 55 Tries to detect virtualization through RDTSC time measurements 26->55 57 Switches to a custom stack to bypass stack traces 26->57 29 cmd.exe 1 26->29         started        process12 process13 31 conhost.exe 29->31         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9adb74d4a3e30d322e070b91da3865ae8c7b71dd0f4ebce22538d0ef73a55264
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/9adb74d4a3e30d322e070b91da3865ae8c7b71dd0f4ebce22538d0ef73a55264/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
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Status:
Malicious
First seen:
2024-09-10 06:58:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tlnxjvfd4mgtelqhboi5uodfv2ghw4o5b5hlzyrfhdio645fkjsa._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:m49z discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/240910-hrha8a1dpl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
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
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7e19e60d-fab1-4b80-a42e-de9f638406aa
Unpacked files
SH256 hash:
cc21fb5176f80fe8675dc53593d7d5f16c9281b8cbd4c27d57efec1a0cf8c7ca
MD5 hash:
ab19ef006b00391a9f0a2bcd6504bdf1
SHA1 hash:
11bb9760e7f3ee292467327ae5a2c3f22748f4a4
Detections:
FormBook
Create hunting rule
win_formbook_g0
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win_formbook_auto
Create hunting rule
win_formbook_w0
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Formbook
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Link:
https://www.unpac.me/results/58c393ec-ea3c-4a58-a8e7-6e08984aacd1/
Parent samples :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 hash:
ee312a6556a92da9f71b1e446f294e18da354229525c3e3b83d658f6e082b18b
MD5 hash:
06f1918f1403eae851b6c8b3b0380288
SHA1 hash:
ec2e9290d663e2c2e87013d164a0afc7a8504c63
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/58c393ec-ea3c-4a58-a8e7-6e08984aacd1/
SH256 hash:
c59a72e874640d2d2c5669edc14fdeb82a72cbacde61679907d2926b8ed79d08
MD5 hash:
b37fc99b846edbde0d0f36bee1760849
SHA1 hash:
0016396b048dcbda5b87742c32678f706db6362c
Link:
https://www.unpac.me/results/58c393ec-ea3c-4a58-a8e7-6e08984aacd1/
SH256 hash:
9adb74d4a3e30d322e070b91da3865ae8c7b71dd0f4ebce22538d0ef73a55264
MD5 hash:
548723a3e99422d6ccf19ae013010e1b
SHA1 hash:
27e594a6814393331674014791cea927caeaf4a1
Link:
https://www.unpac.me/results/58c393ec-ea3c-4a58-a8e7-6e08984aacd1/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9adb74d4a3e3/report/overview.html
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/9adb74d4a3e30d322e070b91da3865ae8c7b71dd0f4ebce22538d0ef73a55264

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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