MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 67edbb99d3aba4abdd5edb3151171935ac1ceb730fd3227da79c33e3b2ab03c9. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash: 67edbb99d3aba4abdd5edb3151171935ac1ceb730fd3227da79c33e3b2ab03c9
SHA3-384 hash: 5364cdd587d3c7dde1216b21a448f584eaccad4199b3d83aed352e8b92840203e0c7c5976ad7c9e00b4c203d342cf46b
SHA1 hash: 03e609c5ab541538067e7a8d84d9a5a43c553603
MD5 hash: e7a8d39e151309312608bad3d0ef0cce
humanhash: three-alaska-papa-east
File name:DEKONT.exe
Download: download sample
Signature Formbook
File size:487'936 bytes
First seen:2022-06-27 07:49:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:nrg5Fpql7opzCchpW33D4mVuNU1xEZVf325aczJ3V0iq7ok:nkPpql7ezCN3lZxEZYamSiWo
TLSH T1E9A46F5C3A314A66FE0D80304C211A09FB6E0FA3236CF99A57DB95CB8B6F2655D44DF8
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon aa38ce868282b882 (110 x Adware.Generic, 6 x CoinMiner, 5 x Formbook)
Reporter abuse_ch
Tags:exe FormBook geo TUR

Intelligence


File Origin
# of uploads :
1
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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
Allocates memory in foreign processes
Antivirus detection for URL or domain
Binary or sample is protected by dotNetProtector
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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 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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 652697 Sample: DEKONT.exe Startdate: 27/06/2022 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 6 other signatures 2->40 9 DEKONT.exe 2 2->9         started        process3 signatures4 50 Writes to foreign memory regions 9->50 52 Allocates memory in foreign processes 9->52 54 Injects a PE file into a foreign processes 9->54 12 vbc.exe 9->12         started        15 WerFault.exe 23 9 9->15         started        process5 file6 56 Modifies the context of a thread in another process (thread injection) 12->56 58 Maps a DLL or memory area into another process 12->58 60 Sample uses process hollowing technique 12->60 62 2 other signatures 12->62 18 chkdsk.exe 12->18         started        21 explorer.exe 12->21 injected 28 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 15->28 dropped signatures7 process8 dnsIp9 42 Modifies the context of a thread in another process (thread injection) 18->42 44 Maps a DLL or memory area into another process 18->44 46 Tries to detect virtualization through RDTSC time measurements 18->46 24 cmd.exe 1 18->24         started        30 www.lulu88lulu.com 38.59.100.111, 49765, 80 COGENT-174US United States 21->30 32 www.bhr-shift.net 21->32 48 System process connects to network (likely due to code injection or exploit) 21->48 signatures10 process11 process12 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-27 07:50:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
44
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:g3t1 rat spyware stealer suricata trojan
Behaviour
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
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
e5799ac6f98021f725ef0af0f263f6a7bf90af94a5aa685e5381186dc5ff9355
MD5 hash:
d4200fcbb21d41da9e9c6a099bfb5436
SHA1 hash:
8baea20312dbfc7c302156852ad7ce54b97dbc30
Detections:
win_formbook_g0 win_formbook_auto FormBook
SH256 hash:
67edbb99d3aba4abdd5edb3151171935ac1ceb730fd3227da79c33e3b2ab03c9
MD5 hash:
e7a8d39e151309312608bad3d0ef0cce
SHA1 hash:
03e609c5ab541538067e7a8d84d9a5a43c553603
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:INDICATOR_EXE_Packed_Babel
Author:ditekSHen
Description:Detects executables packed with Babel
Rule name:INDICATOR_EXE_Packed_Dotfuscator
Author:ditekSHen
Description:Detects executables packed with Dotfuscator
Rule name:INDICATOR_EXE_Packed_dotNetProtector
Author:ditekSHen
Description:Detects executables packed with dotNetProtector
Rule name:INDICATOR_EXE_Packed_Goliath
Author:ditekSHen
Description:Detects executables packed with Goliath
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

Comments