MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec65bfdbeb2e11a9618ad25795cb01a24ca42e3256444451c4f1be9c2c5dd167. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash: ec65bfdbeb2e11a9618ad25795cb01a24ca42e3256444451c4f1be9c2c5dd167
SHA3-384 hash: aa2c902176d0b24aeb0cca0a724f86e567d4dabe118f26d8f34c5027bf7c23d87735a2508369513db6058ae2fa9f3419
SHA1 hash: b3ae79f6af59d62f5337e10da269e9d629ab241b
MD5 hash: 6846d61d50627285fe725df5813e8ee5
humanhash: mockingbird-moon-whiskey-spaghetti
File name:SecuriteInfo.com.Trojan.Win32.Save.a.2979.6434
Download: download sample
Signature Formbook
File size:376'504 bytes
First seen:2022-07-18 08:48:23 UTC
Last seen:2022-07-18 09:34:30 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 6144:z++jbrJl4QCP/uHPVVD1r30jvscSPFfNUuPiR/mHPeQ71Hq:zBJl/aWTWDkPFf/iR/mHPeiK
Threatray 1'447 similar samples on MalwareBazaar
TLSH T1E0847C9BB55C738ECA0BCAB179B41D34A610AF77531A8503B4C7EE6C896C59E6F100F2
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 6ccccc9cc4d8e8f4 (41 x Formbook, 34 x AgentTesla, 3 x AveMariaRAT)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
312
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay 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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
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
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 668099 Sample: SecuriteInfo.com.Trojan.Win... Startdate: 18/07/2022 Architecture: WINDOWS Score: 100 28 www.thedelhidawn.com 2->28 30 www.intgerityinsurance.com 2->30 46 Snort IDS alert for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 5 other signatures 2->52 10 SecuriteInfo.com.Trojan.Win32.Save.a.2979.exe 1 2->10         started        signatures3 process4 file5 26 SecuriteInfo.com.T...Save.a.2979.exe.log, ASCII 10->26 dropped 13 cvtres.exe 10->13         started        process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 13->54 56 Maps a DLL or memory area into another process 13->56 58 Sample uses process hollowing technique 13->58 60 2 other signatures 13->60 16 control.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 38 Modifies the context of a thread in another process (thread injection) 16->38 40 Maps a DLL or memory area into another process 16->40 42 Tries to detect virtualization through RDTSC time measurements 16->42 22 cmd.exe 1 16->22         started        32 www.crystal-schwimmingpool.com 217.26.48.101, 49706, 80 HOSTPOINT-ASCH Switzerland 19->32 34 www.doctorsalamat.com 206.237.225.180, 49704, 80 COGENT-174US United States 19->34 36 4 other IPs or domains 19->36 44 System process connects to network (likely due to code injection or exploit) 19->44 signatures10 process11 process12 24 conhost.exe 22->24         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-07-18 08:19:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
15 of 26 (57.69%)
Threat level:
  2/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:r8f2 loader persistence rat spyware stealer suricata
Behaviour
Modifies Internet Explorer settings
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
9d19ef31d0a93103b3e8323e06ddfdad3e4c6a88d57404fc73c571d017d0a6c6
MD5 hash:
a38f5ce13a33e415b3e7514054a06889
SHA1 hash:
8a52c156394a6c8fcbcf1385c44f773885f586d7
SH256 hash:
ec65bfdbeb2e11a9618ad25795cb01a24ca42e3256444451c4f1be9c2c5dd167
MD5 hash:
6846d61d50627285fe725df5813e8ee5
SHA1 hash:
b3ae79f6af59d62f5337e10da269e9d629ab241b
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:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Comments