MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78ec1f0df89f01bef78e2b508a8980f38fffc556387be3972ace6758f0441da6. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 78ec1f0df89f01bef78e2b508a8980f38fffc556387be3972ace6758f0441da6
SHA3-384 hash: b40903944dc32b132a161946bffcd206ed5c3da82f43e44cdbdce331c55db8775bf93a99be399a6c50e22f9c96b5cd53
SHA1 hash: 04c27e77914b32dbc30557afe3ad80072985823a
MD5 hash: 18769957091b957068ce6a614ca2b84d
humanhash: hot-king-steak-steak
File name:18769957091b957068ce6a614ca2b84d.exe
Download: download sample
Signature Formbook
File size:918'016 bytes
First seen:2023-02-02 12:13:13 UTC
Last seen:2023-02-02 13:40:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:QnBaJmi3raEG0hZ6Rsp86PadT6K5rT5jszFyu6Fy2Mxzo3pqG4yPa2skEnXN44:QnglhZJp+2KBT5jszh6F0xMpqG4yPa
TLSH T131158E8737B1A8BFF68B407154283F886FA07103BF56A25397377AC49B098FBB694151
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
18769957091b957068ce6a614ca2b84d.exe
Verdict:
Malicious activity
Analysis date:
2023-02-02 12:14:11 UTC
Tags:
n/a

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

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
67%
Tags:
packed
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 796998 Sample: LYg4Zbx35t.exe Startdate: 02/02/2023 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 7 other signatures 2->44 10 LYg4Zbx35t.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\LYg4Zbx35t.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 LYg4Zbx35t.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 5 6 14->17 injected process8 dnsIp9 32 cfamidtownsavannah.com 15.197.142.173, 49723, 80 TANDEMUS United States 17->32 34 www.budgetlife.co.uk 192.64.119.196, 49726, 80 NAMECHEAP-NETUS United States 17->34 36 11 other IPs or domains 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 21 rundll32.exe 17->21         started        24 autochk.exe 17->24         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-02-02 12:14:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:pe63 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
178cc7474b323b0ae6b3095ff67127726530d9d44be5cb58ba7315ef3a1199ad
MD5 hash:
159af9cf7f94d64c8120c80268965306
SHA1 hash:
fb41ab37af2c83e96d97e9cd066f90e72d4887ea
SH256 hash:
eb8f1619a3c000b9346bf648be86281467928da626cbd6bb0f191ca601147981
MD5 hash:
863c7ef01ac253dcb8260e8277376590
SHA1 hash:
a10572c19071972f0d9df78e25a9445a7678d8cd
SH256 hash:
794c511be521c306f0eff0d1efb4dcfdc463df507fb27c1b8977cf01c3dd8f11
MD5 hash:
732d6778a51f21ad127c0f2a87d1901d
SHA1 hash:
9b73f0b3dfc4a71d8503fa29dbbe34af63c78cb1
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
SH256 hash:
78ec1f0df89f01bef78e2b508a8980f38fffc556387be3972ace6758f0441da6
MD5 hash:
18769957091b957068ce6a614ca2b84d
SHA1 hash:
04c27e77914b32dbc30557afe3ad80072985823a
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: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.

Web download

Formbook

Executable exe 78ec1f0df89f01bef78e2b508a8980f38fffc556387be3972ace6758f0441da6

(this sample)

  
Delivery method
Distributed via web download

Comments