MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb065bd048ee76029258e2858797bf9a51f0cac0f523d4a737f38e11c6e33cf4. 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 2 File information Comments

SHA256 hash: eb065bd048ee76029258e2858797bf9a51f0cac0f523d4a737f38e11c6e33cf4
SHA3-384 hash: 93355b569c70e8e9799923e4a1c19ae33baef44281f7c77763b50a74a85e449cca49ae05793c063bd8ff142a22cbf3da
SHA1 hash: b36a594ce667e651cdb5a8775a3e2568012d805f
MD5 hash: 70cd7323969bd56e8192fc4c6e6e8d30
humanhash: purple-neptune-autumn-queen
File name:70cd7323969bd56e8192fc4c6e6e8d30
Download: download sample
Signature Formbook
File size:1'162'240 bytes
First seen:2022-10-12 00:29:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:sAtQy4A0IYPkDJb0LcTwZ/k7TtF9BvgklSV:FXJYPkDJbDTk4tJlS
Threatray 16'978 similar samples on MalwareBazaar
TLSH T1CD356BBD3685654FC8167131C883D9B36AF66D616216C1CB66D32F6FBC0C1BFDA02292
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 9aa298d4d4b8a29a (18 x SnakeKeylogger, 10 x Formbook, 5 x Loki)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
256
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 721005 Sample: MWeoF50GyD.exe Startdate: 12/10/2022 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Antivirus detection for URL or domain 2->68 70 8 other signatures 2->70 10 MWeoF50GyD.exe 7 2->10         started        14 uEynBIw.exe 5 2->14         started        process3 file4 46 C:\Users\user\AppData\Roaming\uEynBIw.exe, PE32 10->46 dropped 48 C:\Users\user\...\uEynBIw.exe:Zone.Identifier, ASCII 10->48 dropped 50 C:\Users\user\AppData\Local\...\tmp102D.tmp, XML 10->50 dropped 52 C:\Users\user\AppData\...\MWeoF50GyD.exe.log, ASCII 10->52 dropped 78 Detected unpacking (changes PE section rights) 10->78 80 Detected unpacking (overwrites its own PE header) 10->80 82 Uses schtasks.exe or at.exe to add and modify task schedules 10->82 88 3 other signatures 10->88 16 RegSvcs.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        84 Multi AV Scanner detection for dropped file 14->84 86 Machine Learning detection for dropped file 14->86 23 RegSvcs.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 16->56 58 Maps a DLL or memory area into another process 16->58 60 Sample uses process hollowing technique 16->60 62 2 other signatures 16->62 27 explorer.exe 16->27 injected 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        process8 dnsIp9 54 www.lanyuelou.com 8.130.101.174, 49701, 80 CNNIC-ALIBABA-CN-NET-APHangzhouAlibabaAdvertisingCoLtd Singapore 27->54 90 System process connects to network (likely due to code injection or exploit) 27->90 37 systray.exe 27->37         started        40 chkdsk.exe 27->40         started        signatures10 process11 signatures12 72 Modifies the context of a thread in another process (thread injection) 37->72 74 Maps a DLL or memory area into another process 37->74 76 Tries to detect virtualization through RDTSC time measurements 37->76 42 cmd.exe 1 37->42         started        process13 process14 44 conhost.exe 42->44         started       
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2022-10-11 15:11:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:de19 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
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
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
af7ac1171b44c9a949ad80bfaf05095048d0b74cfb527f66479e22f47d340110
MD5 hash:
f696dc0e00cb8f70799ac3fcaa5f9f6a
SHA1 hash:
cde2283de5b89639ea52f6388feef8f77efc63ce
SH256 hash:
6ea1472acd61a9c029e4d6ed9eb28920497b8a79d10f52822631100d6ddbb93c
MD5 hash:
7c534444638fcaf8f3bddb0eb08a9ec8
SHA1 hash:
3fb61d8cfc55408d31982b289d5876ab5830deb2
SH256 hash:
ff0b958235536e566bf57908a2c15a773e6266a897c536af893ce0ac8464e941
MD5 hash:
1b0b0996944361b132c99a5021465cfe
SHA1 hash:
3bb561214083280184459a0b2eb8a22d30a9e8c8
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
eb065bd048ee76029258e2858797bf9a51f0cac0f523d4a737f38e11c6e33cf4
MD5 hash:
70cd7323969bd56e8192fc4c6e6e8d30
SHA1 hash:
b36a594ce667e651cdb5a8775a3e2568012d805f
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.

Comments