MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6f14e614582f94e97f29dc96c69fa61767fd2f6bf5798ad96a7e3c34f189db7. 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: 13


Intelligence 13 IOCs YARA 17 File information Comments

SHA256 hash: f6f14e614582f94e97f29dc96c69fa61767fd2f6bf5798ad96a7e3c34f189db7
SHA3-384 hash: 77037944a3505ed1d0bbb6186890e08d7790b1a16401230e2547760589b9fdcb5e7a259c150d1610fe1ec2bcbf3930d1
SHA1 hash: b04de030979ebd1e8f9e07803cf3afb89f9c4dce
MD5 hash: e99e9e9e9e864b38fc75f29b54771c86
humanhash: hamper-pip-virginia-juliet
File name:Outstanding Balance Invoice.exe
Download: download sample
Signature Formbook
File size:348'068 bytes
First seen:2023-09-11 06:49:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6LnWEpx6RA6WMbDBBITWgu1I9Nt2M1KGJbsp8Yv5scXsT4Yr/M3/Nvbnpn:/YRf/KDsTWggI9Ntf1KPys2Fedjpn
Threatray 17 similar samples on MalwareBazaar
TLSH T1627413D03FF1C12BE8320B314A76556A5BF7A72445A1830A37615B29FB725C3DA0EB72
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter JAMESWT_WT
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
317
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Outstanding Balance Invoice.exe
Verdict:
Malicious activity
Analysis date:
2023-09-11 06:52:44 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Sending a custom TCP request
Unauthorized injection to a recently created process by context flags manipulation
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
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, NSISDropper
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample has a suspicious name (potential lure to open the executable)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1307064 Sample: Outstanding_Balance_Invoice.exe Startdate: 11/09/2023 Architecture: WINDOWS Score: 100 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 5 other signatures 2->50 10 Outstanding_Balance_Invoice.exe 18 2->10         started        process3 file4 30 C:\Users\user\AppData\Local\Temp\fxvvha.exe, PE32 10->30 dropped 13 fxvvha.exe 10->13         started        process5 signatures6 62 Multi AV Scanner detection for dropped file 13->62 64 Machine Learning detection for dropped file 13->64 66 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 13->66 68 Maps a DLL or memory area into another process 13->68 16 fxvvha.exe 13->16         started        process7 signatures8 38 Maps a DLL or memory area into another process 16->38 40 Sample uses process hollowing technique 16->40 42 Queues an APC in another process (thread injection) 16->42 19 FPivCpmCaaPckJhsJ.exe 16->19 injected process9 process10 21 rundll32.exe 13 19->21         started        signatures11 52 Tries to steal Mail credentials (via file / registry access) 21->52 54 Tries to harvest and steal browser information (history, passwords, etc) 21->54 56 Modifies the context of a thread in another process (thread injection) 21->56 58 Maps a DLL or memory area into another process 21->58 24 explorer.exe 5 1 21->24 injected 28 FPivCpmCaaPckJhsJ.exe 21->28 injected process12 dnsIp13 32 www.nobelstone.online 84.201.186.241, 49768, 49769, 49770 YANDEXCLOUDRU Russian Federation 24->32 34 www.innovativefewsustra.com 199.21.76.77, 49748, 49749, 49750 VOXEL-DOT-NETUS United States 24->34 36 11 other IPs or domains 24->36 60 System process connects to network (likely due to code injection or exploit) 24->60 signatures14
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-09-11 00:10:22 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 22 (90.91%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
b75f5d8dbc7a3297e907bd163406bff1fca3d7e7f28290be8075ab2cfabaf7ca
MD5 hash:
9db9338cdb3a853078dde15cec96dd36
SHA1 hash:
11c93d7f17bf859a994bba066d942efd9e96a26e
SH256 hash:
f6f14e614582f94e97f29dc96c69fa61767fd2f6bf5798ad96a7e3c34f189db7
MD5 hash:
e99e9e9e9e864b38fc75f29b54771c86
SHA1 hash:
b04de030979ebd1e8f9e07803cf3afb89f9c4dce
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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Comments