MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38417f3b43b2e2dbc8cd0ddd685198a5b2db8f268a36fdf30322c7acea5b057b. 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 1

SHA256 hash: 38417f3b43b2e2dbc8cd0ddd685198a5b2db8f268a36fdf30322c7acea5b057b
SHA3-384 hash: fb74986b19ed6c453cd4f9595de137d834ec73aeb8564ee2d05c2cb908d6bf05efb4a56de63327e2a3848e89537b0452
SHA1 hash: ce8e140dc8720f31d7abcc21f71e53a8680cc295
MD5 hash: ef62ecb090c58ff2682746ebc9f07a90
humanhash: william-speaker-king-maryland
File name:ef62ecb090c58ff2682746ebc9f07a90
Download: download sample
Signature Formbook
File size:245'988 bytes
First seen:2022-04-04 16:20:38 UTC
Last seen:2022-04-04 17:07:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:HNeZmu1c9bWe6pH9GgfJwWIx4yJ9W3nLV8v7qAUDvw5:HNluQWe6pFstJ9W3LVe7buvw5
TLSH T1B934121C3F50C853D5714B390D36B3EE46F8992219B5272F3BD28E4F78126929E5EB0A
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
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
C2 URLs / IPs found in malware configuration
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 602794 Sample: PeCb4NBAaM Startdate: 04/04/2022 Architecture: WINDOWS Score: 100 34 www.service-paiementsfr.com 2->34 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 4 other signatures 2->56 12 PeCb4NBAaM.exe 18 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\ywdumm.exe, PE32 12->32 dropped 15 ywdumm.exe 12->15         started        process6 signatures7 66 Multi AV Scanner detection for dropped file 15->66 68 Tries to detect virtualization through RDTSC time measurements 15->68 18 ywdumm.exe 15->18         started        process8 signatures9 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 Sample uses process hollowing technique 18->46 48 Queues an APC in another process (thread injection) 18->48 21 explorer.exe 18->21 injected process10 dnsIp11 36 www.georoofs.net 74.220.199.6, 49814, 80 UNIFIEDLAYER-AS-1US United States 21->36 38 restorebalancehealingandart.com 192.0.78.24, 49776, 80 AUTOMATTICUS United States 21->38 40 www.restorebalancehealingandart.com 21->40 58 System process connects to network (likely due to code injection or exploit) 21->58 25 raserver.exe 21->25         started        signatures12 process13 signatures14 60 Modifies the context of a thread in another process (thread injection) 25->60 62 Maps a DLL or memory area into another process 25->62 64 Tries to detect virtualization through RDTSC time measurements 25->64 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Threat name:
Win32.Trojan.NSISInject
Status:
Malicious
First seen:
2022-04-04 16:21:09 UTC
File Type:
PE (Exe)
Extracted files:
3
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:tdgo rat spyware stealer suricata trojan
Behaviour
Gathers network information
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
a6a8d366ce379375e41024a8154371d128ac5e934d583e3f41403dc000d469fe
MD5 hash:
929ecdef5f30a1755a02b81a2fb99059
SHA1 hash:
55cab27ae76f0749ea3ec0cefdd3c34615c2e156
SH256 hash:
c064c392d85bbb6af58814cb77d256d346af09d49fc367356e9be5e68817f7b0
MD5 hash:
52d2d5fca187661d787bb308480ad994
SHA1 hash:
b7ca223ca47d415adde0b71a4186191114173437
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
38417f3b43b2e2dbc8cd0ddd685198a5b2db8f268a36fdf30322c7acea5b057b
MD5 hash:
ef62ecb090c58ff2682746ebc9f07a90
SHA1 hash:
ce8e140dc8720f31d7abcc21f71e53a8680cc295
Malware family:
FormBook
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.

Web download

Formbook

Executable exe 38417f3b43b2e2dbc8cd0ddd685198a5b2db8f268a36fdf30322c7acea5b057b

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-04-04 16:20:41 UTC

url : hxxp://103.94.127.58/macmac.exe