MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82c5493e260ceb7ed2ea793862fe1d67f2e7f79b8131928bfba875e8c11a20e3. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 82c5493e260ceb7ed2ea793862fe1d67f2e7f79b8131928bfba875e8c11a20e3
SHA3-384 hash: 9f3c2e696094d8ecfc9e3d5fd62a2473124332379a1af3d5d02b49e25d2797f615701cff919de1cfe28b183f5004a1f6
SHA1 hash: edf19c5039be2ce558cac84c44de338f7c1b8af0
MD5 hash: 34c6b505c0407d11b91b369f9c4020a8
humanhash: mobile-november-spaghetti-summer
File name:34c6b505c0407d11b91b369f9c4020a8.exe
Download: download sample
Signature Formbook
File size:319'488 bytes
First seen:2022-07-26 16:07:39 UTC
Last seen:2022-07-26 17:50:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'659 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 384:GM1caOoPUm/Gouao6JhRt1AYGxTj4HJfwRknjqZHdSgrRsHCUx5GCt8EcNoLKNNo:thGKRg+kCtNcNoLKNVLqKTWB/hL
TLSH T1A86455B47D04ABC4DC54FE701D6693B287702F086C94E9DE73933A0EAA38D50E54AB27
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f9f0e26862b0e4f0 (1 x Formbook, 1 x PovertyStealer)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
411
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
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 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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 673733 Sample: ONp4cyYVVr.exe Startdate: 26/07/2022 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 6 other signatures 2->47 10 ONp4cyYVVr.exe 15 7 2->10         started        process3 dnsIp4 39 sucon.ga 192.185.174.179, 49760, 80 UNIFIEDLAYER-AS-1US United States 10->39 33 C:\Users\user\AppData\Roaming\...\Ixfym.exe, PE32 10->33 dropped 35 C:\Users\user\AppData\...\ONp4cyYVVr.exe.log, ASCII 10->35 dropped 57 Creates an undocumented autostart registry key 10->57 59 Encrypted powershell cmdline option found 10->59 61 Writes to foreign memory regions 10->61 63 2 other signatures 10->63 15 MSBuild.exe 10->15         started        18 powershell.exe 15 10->18         started        file5 signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 2 other signatures 15->71 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 37 www.3rdeyefocused.com 192.64.119.242, 49846, 80 NAMECHEAP-NETUS United States 20->37 49 System process connects to network (likely due to code injection or exploit) 20->49 26 wlanext.exe 20->26         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 26->51 53 Maps a DLL or memory area into another process 26->53 55 Tries to detect virtualization through RDTSC time measurements 26->55 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-07-26 16:08:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s4s9 rat spyware stealer trojan
Behaviour
Enumerates system info in registry
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
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
82c5493e260ceb7ed2ea793862fe1d67f2e7f79b8131928bfba875e8c11a20e3
MD5 hash:
34c6b505c0407d11b91b369f9c4020a8
SHA1 hash:
edf19c5039be2ce558cac84c44de338f7c1b8af0
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 82c5493e260ceb7ed2ea793862fe1d67f2e7f79b8131928bfba875e8c11a20e3

(this sample)

  
Delivery method
Distributed via web download

Comments