MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2925a2b914903c7f4da4cd8344c1e417a5334ccb8be94898e9d4e31ef0bb1dba. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: 2925a2b914903c7f4da4cd8344c1e417a5334ccb8be94898e9d4e31ef0bb1dba
SHA3-384 hash: 3123da551a17c469c91fe159c36c84d70501eaea74ddd0ed09bee8424f9ca3358b17557f76a210cf20584ffeede6c69c
SHA1 hash: c0f7d3bcfd6968ad251e8a4f820a83225ad0068f
MD5 hash: d2739208a43fa134355dc7420c5a3594
humanhash: spaghetti-speaker-oklahoma-connecticut
File name:d2739208a43fa134355dc7420c5a3594.exe
Download: download sample
Signature Formbook
File size:556'032 bytes
First seen:2020-10-03 11:07:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:MkPxQ82iNdyl2DfqAOTfWlq60pzZt/ZCUia4VsKmJFNY1BiJ:pxH1o7A6NRFWeJ
Threatray 2'311 similar samples on MalwareBazaar
TLSH 54C4E03637089B68D13EA3BC1131994013F5B40AEB22EB4CBFE921EB1671B970676757
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 292815 Sample: XfueryecWS.exe Startdate: 03/10/2020 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 5 other signatures 2->41 10 XfueryecWS.exe 3 2->10         started        process3 file4 27 C:\Users\user\AppData\...\XfueryecWS.exe.log, ASCII 10->27 dropped 49 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->49 51 Tries to detect virtualization through RDTSC time measurements 10->51 53 Injects a PE file into a foreign processes 10->53 14 XfueryecWS.exe 10->14         started        signatures5 process6 signatures7 55 Modifies the context of a thread in another process (thread injection) 14->55 57 Maps a DLL or memory area into another process 14->57 59 Sample uses process hollowing technique 14->59 61 Queues an APC in another process (thread injection) 14->61 17 explorer.exe 14->17 injected process8 dnsIp9 29 www.senolypticdrugs.com 17->29 31 www.artofvar.com 17->31 33 www.592opebet.com 17->33 20 msiexec.exe 17->20         started        process10 signatures11 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45 47 Tries to detect virtualization through RDTSC time measurements 20->47 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Threat name:
ByteCode-MSIL.Trojan.Sudloader
Status:
Malicious
First seen:
2020-08-23 13:54:30 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat evasion trojan spyware stealer family:formbook
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.iskovlay.com/kbc/
Unpacked files
SH256 hash:
2925a2b914903c7f4da4cd8344c1e417a5334ccb8be94898e9d4e31ef0bb1dba
MD5 hash:
d2739208a43fa134355dc7420c5a3594
SHA1 hash:
c0f7d3bcfd6968ad251e8a4f820a83225ad0068f
SH256 hash:
8a30d1852d2e113dc6482e59daf6e9e435ca4ff0f28b76db0578d83955dd5c68
MD5 hash:
fd114e6ac65229d79e40ffe2b515fef8
SHA1 hash:
bc2b9dd550688f231fe1e48723202059e3f5b0ea
SH256 hash:
28907e33cdcd4d3dafdbc4ddd5ff1c7421f16eef50e3a8e7dc11c6ff36567b45
MD5 hash:
e18bfa9cc114760f914ca119d3100ee4
SHA1 hash:
e7c0f995b0698c4e71341ae830a57e0f2c0b6265
SH256 hash:
3158cf0e3b44f8fcf464e7a8d371d9c3acd248ef273f35a681da8fc7dc2ff917
MD5 hash:
9a7a5b4092e24025b90bfdfecf463ce3
SHA1 hash:
f0a48dbd340091ee8353803f4ad082fc882ab166
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.

Comments