MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb24fab8968acfad6a1a28b2399fa0cb0b7dd6e2135116312d8ae0412fcd0543. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments

SHA256 hash: eb24fab8968acfad6a1a28b2399fa0cb0b7dd6e2135116312d8ae0412fcd0543
SHA3-384 hash: 145827f446b0b41d3abee1ecc2f2fcd69646064bf1fe83eb0d8832e267b1ac9033bb6579e5beb9c12ae0ddf684788b12
SHA1 hash: 9a827d524d09119a34086b875f57073668643d13
MD5 hash: ef10c80e97c6eaa8b9fb15f427fac0db
humanhash: whiskey-coffee-coffee-ohio
File name:E-dekont.pdf.exe
Download: download sample
Signature Formbook
File size:363'371 bytes
First seen:2023-08-12 07:46:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:PYa6MB3pP53e9oaxB9MO0yWdwOjcjFGCIAC2fl7XeEHMMkq9YwWejyrxNr2naX:PYiB+RB9rFKUGCIAC2N7eEH7VWeAGaX
Threatray 3'696 similar samples on MalwareBazaar
TLSH T1647412141AD4F872E8B64A333C763527EBEDD51728B6CB1327F42F983628105D50EBA6
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook geo TUR

Intelligence


File Origin
# of uploads :
1
# of downloads :
253
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
E-dekont.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-08-12 07:57:52 UTC
Tags:
formbook xloader stealer spyware

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

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Launching cmd.exe command interpreter
Сreating synchronization primitives
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Gathering data
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.
Result
Threat name:
FormBook, NSISDropper
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found 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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1290428 Sample: E-dekont.pdf.exe Startdate: 12/08/2023 Architecture: WINDOWS Score: 100 31 www.seomasteraff.net 2->31 33 www.seomasteraff.net.cdn.hstgr.net 2->33 41 Snort IDS alert for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 9 other signatures 2->47 11 E-dekont.pdf.exe 18 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\ayrxgdc.dll, PE32 11->29 dropped 59 Detected unpacking (changes PE section rights) 11->59 61 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 11->61 63 Maps a DLL or memory area into another process 11->63 65 Tries to detect virtualization through RDTSC time measurements 11->65 15 E-dekont.pdf.exe 11->15         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 73 Queues an APC in another process (thread injection) 15->73 18 explorer.exe 6 6 15->18 injected process9 dnsIp10 35 www.53dorethyrd.com 18->35 37 53dorethyrd.com 15.197.142.173, 49748, 80 TANDEMUS United States 18->37 39 11 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Uses netsh to modify the Windows network and firewall settings 18->51 22 netsh.exe 18->22         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.Vigorf
Status:
Malicious
First seen:
2023-08-11 09:50:05 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:mh21 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
eb24fab8968acfad6a1a28b2399fa0cb0b7dd6e2135116312d8ae0412fcd0543
MD5 hash:
ef10c80e97c6eaa8b9fb15f427fac0db
SHA1 hash:
9a827d524d09119a34086b875f57073668643d13
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:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Malspam

Formbook

Executable exe eb24fab8968acfad6a1a28b2399fa0cb0b7dd6e2135116312d8ae0412fcd0543

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments