MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9cfab08135de6aa4d1635ad9e3aebc7bdf8063546c32c9d0f09efb59558ce3c0. 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: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: 9cfab08135de6aa4d1635ad9e3aebc7bdf8063546c32c9d0f09efb59558ce3c0
SHA3-384 hash: 72d1f3554f6c73745002d48ad14e3d7f3cf63f0069e3a5933d54533d37b452acd0601601ecb017604d2338b13c1833a2
SHA1 hash: 96216e3f47784b1a8ed87fa9111fb26c77035150
MD5 hash: 6c2c341a271b931b40be3b5f56025dfb
humanhash: king-robin-dakota-early
File name:scan1021291.xll
Download: download sample
Signature Formbook
File size:1'364'480 bytes
First seen:2022-05-12 07:24:30 UTC
Last seen:Never
File type:Excel file xll
MIME type:application/x-dosexec
imphash 7e569b564dba0b34119990efd3d9dfc6 (4 x Formbook)
ssdeep 24576:QnnncnKW2MGX1NXwsc1fN/0q0QnbhlEMFN/iNo8+y6Kaqm:nKW/9jAUb7T
Threatray 15'618 similar samples on MalwareBazaar
TLSH T12055F157E3D7FA71E6ED52BA86B1D63C176EB4A29069B74D7B405CCC29213038928F03
TrID 58.0% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
34.3% (.OCX) Windows ActiveX control (116521/4/18)
3.0% (.EXE) Win64 Executable (generic) (10523/12/4)
1.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.3% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:FormBook xll

Intelligence


File Origin
# of uploads :
1
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malicious
File Type:
Office Add-Ins - Suspicious
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Result
Verdict:
SUSPICIOUS
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.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Office process drops PE file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Yara detected MSILDownloaderGeneric
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 625177 Sample: scan1021291.xll Startdate: 12/05/2022 Architecture: WINDOWS Score: 100 59 www.angell-point-wedding.com 2->59 71 Snort IDS alert for network traffic 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Multi AV Scanner detection for submitted file 2->75 77 6 other signatures 2->77 13 cmd.exe 7 2 2->13         started        signatures3 process4 process5 15 EXCEL.EXE 22 23 13->15         started        19 conhost.exe 13->19         started        file6 57 C:\Users\user\...\AudioAppGKNYALYODC.exe, PE32 15->57 dropped 69 Document exploit detected (creates forbidden files) 15->69 21 AudioAppGKNYALYODC.exe 16 6 15->21         started        signatures7 process8 dnsIp9 67 cdn.discordapp.com 162.159.134.233, 443, 49768, 49773 CLOUDFLARENETUS United States 21->67 55 C:\Users\user\AppData\Roaming\...\Csrzy.exe, PE32 21->55 dropped 89 Multi AV Scanner detection for dropped file 21->89 91 Machine Learning detection for dropped file 21->91 93 Encrypted powershell cmdline option found 21->93 95 2 other signatures 21->95 26 InstallUtil.exe 21->26         started        29 powershell.exe 15 21->29         started        file10 signatures11 process12 signatures13 97 Modifies the context of a thread in another process (thread injection) 26->97 99 Maps a DLL or memory area into another process 26->99 101 Sample uses process hollowing technique 26->101 103 2 other signatures 26->103 31 explorer.exe 26->31 injected 33 conhost.exe 29->33         started        process14 process15 35 Csrzy.exe 14 3 31->35         started        39 rundll32.exe 31->39         started        41 Csrzy.exe 31->41         started        dnsIp16 61 cdn.discordapp.com 35->61 79 Multi AV Scanner detection for dropped file 35->79 81 Machine Learning detection for dropped file 35->81 83 Encrypted powershell cmdline option found 35->83 43 powershell.exe 14 35->43         started        85 Maps a DLL or memory area into another process 39->85 87 Tries to detect virtualization through RDTSC time measurements 39->87 45 cmd.exe 39->45         started        63 192.168.2.1 unknown unknown 41->63 65 cdn.discordapp.com 41->65 47 powershell.exe 41->47         started        signatures17 process18 process19 49 conhost.exe 43->49         started        51 conhost.exe 45->51         started        53 conhost.exe 47->53         started       
Threat name:
Win32.Trojan.Negasteal
Status:
Malicious
First seen:
2022-05-12 06:07:55 UTC
File Type:
PE (Dll)
Extracted files:
2
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:gdtn loader persistence rat suricata
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

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