MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 acf40f9d3eea74324291c55f5ab8d3678e0dcc085581bdd9cf66897f4324bc3c. 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: 15


Intelligence 15 IOCs YARA File information Comments

SHA256 hash: acf40f9d3eea74324291c55f5ab8d3678e0dcc085581bdd9cf66897f4324bc3c
SHA3-384 hash: 54798c751067d6b416935b504827b586a58b317dbc562e5246a3f0a81db51812be25744741f33f4e7d9da362eb252c16
SHA1 hash: dfe4e3f489407a0e74a4c39ace73c92b769cc9a7
MD5 hash: 0bccae23b7db4cc1a5d6aa9e183c12ae
humanhash: hamper-carbon-winter-red
File name:IMG_105509.exe
Download: download sample
Signature Formbook
File size:422'970 bytes
First seen:2022-02-22 09:58:45 UTC
Last seen:2022-02-22 11:52:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 12288:PpjpU5bfxYvPYvKItfFo8rfhnog3KCb/H4B4qamR8:hjS5bfxYvPYvKItto8rfhnj5jH4BlR8
Threatray 13'637 similar samples on MalwareBazaar
TLSH T1969427E3A3C52894C42F027D75EA2D34A3176BAD513149CB0D662E96758F387A363F0B
File icon (PE):PE icon
dhash icon ba61dcc8ced479b8 (1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for the window
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 576287 Sample: IMG_105509.exe Startdate: 22/02/2022 Architecture: WINDOWS Score: 100 36 www.priestfamilystoves.com 2->36 38 www.mmhdata.com 2->38 40 www.philliphantech.com 2->40 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 4 other signatures 2->62 12 IMG_105509.exe 18 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\Temp\mmanfd.exe, PE32 12->34 dropped 15 mmanfd.exe 1 12->15         started        process6 signatures7 74 Tries to detect virtualization through RDTSC time measurements 15->74 18 mmanfd.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 48 Modifies the context of a thread in another process (thread injection) 18->48 50 Maps a DLL or memory area into another process 18->50 52 Sample uses process hollowing technique 18->52 54 Queues an APC in another process (thread injection) 18->54 23 explorer.exe 18->23 injected process10 dnsIp11 42 www.suhtleme-eestis-immisoft.com 199.34.228.41, 49785, 80 WEEBLYUS United States 23->42 44 www.allwebdesign.online 172.105.103.207, 49777, 80 LINODE-APLinodeLLCUS United States 23->44 46 3 other IPs or domains 23->46 64 System process connects to network (likely due to code injection or exploit) 23->64 66 Uses ipconfig to lookup or modify the Windows network settings 23->66 27 ipconfig.exe 23->27         started        signatures12 process13 signatures14 68 Modifies the context of a thread in another process (thread injection) 27->68 70 Maps a DLL or memory area into another process 27->70 72 Tries to detect virtualization through RDTSC time measurements 27->72 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-22 09:59:09 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:n6g4 loader rat suricata
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
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
a13e3b639a63e0de4fabbb091b6e6cb84556e8899fe043c37f962e2b913f705d
MD5 hash:
2c7505467ad2ac8fdbd89efe84601d3b
SHA1 hash:
a6bf3938fcc8f4bf7e48831b36753380779ec040
SH256 hash:
acf40f9d3eea74324291c55f5ab8d3678e0dcc085581bdd9cf66897f4324bc3c
MD5 hash:
0bccae23b7db4cc1a5d6aa9e183c12ae
SHA1 hash:
dfe4e3f489407a0e74a4c39ace73c92b769cc9a7
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe acf40f9d3eea74324291c55f5ab8d3678e0dcc085581bdd9cf66897f4324bc3c

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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