MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 24cf298cfd5fd4bd6ffdbd3607aee52a39b3bf4db5123e403c05aae37f485058. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 24cf298cfd5fd4bd6ffdbd3607aee52a39b3bf4db5123e403c05aae37f485058
SHA3-384 hash: a8ffd50e7abfcd167595c08c00325386ba3f9d1fe7aab8c74ad144102de37ae48e1296384cc695feef8c189c8be36ab8
SHA1 hash: 49ef3386be0c7f6e3f06b3c4b7634c7e03decb0d
MD5 hash: da38dbca727b5616ab14039c66f3c881
humanhash: maryland-magazine-october-freddie
File name:US$ 16078 TT Copy.Pdf.exe
Download: download sample
Signature Formbook
File size:690'688 bytes
First seen:2022-08-22 14:15:22 UTC
Last seen:2022-08-22 14:45:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:CdItcw7yWAzk3jhvI11etruoEH1355vs3R31bqgy5ET6iKQCWnFXhckCV89Cbcik:RG1zIIy+C3RdbGArFXc2Wc7NXWX0wch
TLSH T153E4F18E3AA7440ADE7A01B8D4E517881B28FC623721DECFE843758A4DB17FD4129B57
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0f0e8d4d4f2d8e0 (8 x AgentTesla, 6 x Formbook, 5 x Loki)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
US$ 16078 TT Copy.Pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-08-22 14:17:33 UTC
Tags:
formbook

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 688098 Sample: US$ 16078 TT Copy.Pdf.exe Startdate: 22/08/2022 Architecture: WINDOWS Score: 100 32 www.kgyfed2.icu 2->32 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 9 other signatures 2->42 11 US$ 16078 TT Copy.Pdf.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\...\US$ 16078 TT Copy.Pdf.exe.log, ASCII 11->28 dropped 14 US$ 16078 TT Copy.Pdf.exe 11->14         started        process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 Queues an APC in another process (thread injection) 14->56 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.twinkontwink.com 154.93.222.249, 49755, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 17->30 34 System process connects to network (likely due to code injection or exploit) 17->34 21 cmmon32.exe 17->21         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-08-22 12:54:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader loader persistence rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader payload
Formbook
Xloader
Unpacked files
SH256 hash:
adea027bd878f0e995c0066eb20764c3cd065056426063bb73e47cf4f2d58739
MD5 hash:
9881dfdc199c551f76dc404cc9fc9364
SHA1 hash:
626e6981aa2e0075950a9ea92c3d96a9ca088a83
Detections:
win_formbook_g0 win_formbook_auto
Parent samples :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 hash:
ceda93fdfce3ad8e4f800d4f2d940d793b68b4b0b254b652bf42e13dbd189ba7
MD5 hash:
786afe844ec1723b635cace747b60efd
SHA1 hash:
fa647a584a7fcad392147a182e3a2435b3ad5bb9
SH256 hash:
47928d200b921aab3008da34e1c62a2c71a4f847d6ec485404ff3809378dfb09
MD5 hash:
d00a3acf3cadf4154830f00895390d11
SHA1 hash:
abd5bad21220e983f92542a67e302e33f7955161
SH256 hash:
da398e891b7445cdd41c4d42a134d32688440a63cd9bf7161ad7f77b76ca8251
MD5 hash:
f18657203e8518a120f14db697b94282
SHA1 hash:
7b5f4492e953a19772467f28e9b788b7dfb0e440
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
24cf298cfd5fd4bd6ffdbd3607aee52a39b3bf4db5123e403c05aae37f485058
MD5 hash:
da38dbca727b5616ab14039c66f3c881
SHA1 hash:
49ef3386be0c7f6e3f06b3c4b7634c7e03decb0d
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

Comments