MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc39a79518c4d038803a7a7ddaf44d231b318010cf12ef9be4ed037e88b69fa7. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments

SHA256 hash: dc39a79518c4d038803a7a7ddaf44d231b318010cf12ef9be4ed037e88b69fa7
SHA3-384 hash: d364c51a0b6dc1f3ded1c58678355304533ce9e0be0345f2e4ab1c238cdc32a8192c366e9ea68c341603f879c0c25666
SHA1 hash: 91ae24d9807932a980b8c0e537c12158cae24150
MD5 hash: 2909b28c4af650436e18469fdc91a83f
humanhash: twenty-yellow-beer-king
File name:NEW EURO ORDER.scr
Download: download sample
Signature Formbook
File size:1'125'888 bytes
First seen:2022-09-17 15:22:17 UTC
Last seen:2022-09-17 16:22:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:0i6hSDohTftjLEGRFG3tmUhT4aq5CjvmLs9/Cn:0GDOTftjtWhUaLPtCn
TLSH T1D435E0182765C907C8AAA574D8E2E2705F785DD1872FC34F08DC3DB7F63B258A8923A5
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2b2b2b2b2b2b2b2 (8 x Formbook, 5 x AgentTesla, 3 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
417
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
NEW EURO ORDER.scr
Verdict:
Malicious activity
Analysis date:
2022-09-17 15:23:38 UTC
Tags:
formbook trojan stealer

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
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
formbook 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
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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 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 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 dnsIp2 2 Behavior Graph ID: 704824 Sample: NEW EURO ORDER.scr.exe Startdate: 17/09/2022 Architecture: WINDOWS Score: 100 31 www.digz.us 2->31 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 8 other signatures 2->41 10 NEW EURO ORDER.scr.exe 3 2->10         started        signatures3 process4 file5 29 C:\Users\user\...29EW EURO ORDER.scr.exe.log, ASCII 10->29 dropped 51 Injects a PE file into a foreign processes 10->51 14 NEW EURO ORDER.scr.exe 10->14         started        17 NEW EURO ORDER.scr.exe 10->17         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 14->53 55 Maps a DLL or memory area into another process 14->55 57 Sample uses process hollowing technique 14->57 59 Queues an APC in another process (thread injection) 14->59 19 systray.exe 14->19         started        22 explorer.exe 14->22 injected process9 dnsIp10 43 Modifies the context of a thread in another process (thread injection) 19->43 45 Maps a DLL or memory area into another process 19->45 47 Tries to detect virtualization through RDTSC time measurements 19->47 25 cmd.exe 1 19->25         started        33 www.familyibis.sbs 22->33 49 System process connects to network (likely due to code injection or exploit) 22->49 signatures11 process12 process13 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2022-09-15 14:36:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
22 of 25 (88.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:p94a rat spyware stealer 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
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
535a0b3e0596a26dedd145e0732fa69f4eb42d2c9a87a972b44e79e2fd76f825
MD5 hash:
7241a753759b2ab23fa2d871a760c331
SHA1 hash:
9e5baa96017ff6de28cf1dabcc15baf3e9e35676
Detections:
FormBook win_formbook_auto win_formbook_g0
SH256 hash:
7dee5ac66c11c64840ad5e2f3c0863a68ba8e28d26338d89fac7a41ac2164cb0
MD5 hash:
451c50950b436bc0756dbff3e4121e3b
SHA1 hash:
8b9e7db807a72e3b6472a99d4b67e2809a624da5
SH256 hash:
cf22934a5de12dd003f053e0e1c3a0b013dfce0b8f1d91e4e38d89db71e19da4
MD5 hash:
04753314700a14682d71e30467c70a45
SHA1 hash:
62d72d8c7d2469718d1bcefb0387e251b8e462cf
SH256 hash:
44c50087cbd9a86677ff5b898c1ad52abf5f25297179a174edcc8b81dec967fc
MD5 hash:
d012ba9057bf67c7f29871326f2af919
SHA1 hash:
1d5b8b512b37f0e1900496b578117082929654c7
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
dc39a79518c4d038803a7a7ddaf44d231b318010cf12ef9be4ed037e88b69fa7
MD5 hash:
2909b28c4af650436e18469fdc91a83f
SHA1 hash:
91ae24d9807932a980b8c0e537c12158cae24150
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:RansomwareTest6
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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.

Malspam

Formbook

Executable exe dc39a79518c4d038803a7a7ddaf44d231b318010cf12ef9be4ed037e88b69fa7

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments