MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e205d9c4dd9d23e24942ad2d1439821f4fef2b7743e60a9731af35198a95eb5b. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments

SHA256 hash: e205d9c4dd9d23e24942ad2d1439821f4fef2b7743e60a9731af35198a95eb5b
SHA3-384 hash: d757fc09928eef14f99c5f6439c74a8b97ea46bf3b9978ab7c864198a9955979f26164102a0c199004e22463b82c2872
SHA1 hash: 2a89fd0fb10f9538b85683054e60381008431c5d
MD5 hash: 58dbb433735b8336ed775772563cfee3
humanhash: lithium-eight-shade-butter
File name:Dekont.exe
Download: download sample
Signature Formbook
File size:243'509 bytes
First seen:2023-07-26 15:26:45 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:/Ya6ITCqG4JLrBb6/rnoPwdpOpTCAjOcgGrtpQea:/YeTNG4J3mPepZjOxGru
Threatray 3'660 similar samples on MalwareBazaar
TLSH T13D3412186370E7B7F99309365A7A93212EF8742750E08B0717A05E1D7E361D1BB1E7B2
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 :
271
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Dekont.exe
Verdict:
Malicious activity
Analysis date:
2023-07-26 15:34:57 UTC
Tags:
formbook xloader

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

Behaviour
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 a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
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
Antivirus detection for dropped file
Antivirus detection for URL or domain
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
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
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1280411 Sample: Dekont.exe Startdate: 26/07/2023 Architecture: WINDOWS Score: 100 32 www.ageingxx.com 2->32 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 9 other signatures 2->48 11 Dekont.exe 18 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\lbiysfxsgl.dll, PE32 11->30 dropped 60 Detected unpacking (changes PE section rights) 11->60 62 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 11->62 64 Maps a DLL or memory area into another process 11->64 66 Tries to detect virtualization through RDTSC time measurements 11->66 15 Dekont.exe 11->15         started        signatures6 process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Sample uses process hollowing technique 15->72 74 Queues an APC in another process (thread injection) 15->74 18 explorer.exe 3 7 15->18 injected process9 dnsIp10 34 www.luxury-developments.com 217.76.130.166, 80 ONEANDONE-ASBrauerstrasse48DE Spain 18->34 36 www.5069xcc.com 154.215.214.225, 49695, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 18->36 38 2 other IPs or domains 18->38 50 System process connects to network (likely due to code injection or exploit) 18->50 22 svchost.exe 12 18->22         started        signatures11 process12 dnsIp13 40 www.luxury-developments.com 22->40 52 System process connects to network (likely due to code injection or exploit) 22->52 54 Modifies the context of a thread in another process (thread injection) 22->54 56 Maps a DLL or memory area into another process 22->56 58 Tries to detect virtualization through RDTSC time measurements 22->58 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-07-26 13:38:18 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:b0y4 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:
37805a2d76ad3f6f0d775786b048bf0946d6cf0e14b75566a2f4425f71654a66
MD5 hash:
8257cd2aa4cbcb9aab6a14269b8c73ec
SHA1 hash:
8797baa3225f10559ca9982f0ceca2adad2d3d31
SH256 hash:
e205d9c4dd9d23e24942ad2d1439821f4fef2b7743e60a9731af35198a95eb5b
MD5 hash:
58dbb433735b8336ed775772563cfee3
SHA1 hash:
2a89fd0fb10f9538b85683054e60381008431c5d
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 e205d9c4dd9d23e24942ad2d1439821f4fef2b7743e60a9731af35198a95eb5b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments