MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 835ad427cf84c1e97ad98d95c765125ca7629d62657dbfb6bf82327223e573b0. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 835ad427cf84c1e97ad98d95c765125ca7629d62657dbfb6bf82327223e573b0
SHA3-384 hash: f583a5e462b574086c341af962f11bb61d339178eb8d6d258bf2a177e7857a99115f5344bbb7ab5c231b6941d67695a6
SHA1 hash: 25f969391c43fe125bf6d9162a54d5ae5da2cf62
MD5 hash: 5e3b856fd3ea5e1dc91c79db317a4b19
humanhash: floor-grey-comet-leopard
File name:LSP63103.EXE
Download: download sample
Signature Formbook
File size:658'432 bytes
First seen:2022-06-15 11:17:36 UTC
Last seen:2022-06-15 12:05:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:766Sn9yXsBOJ14LXNYfoNENu2w8Oi4vV7TMleFvGB:7RS9YIOJ14rNYfAENu2wXi4vV7TMQvy
TLSH T17BE4D108BAA7CD05E2A57B73C1D6041487F9E982616BDB4F77C626D80D133EB8806B5F
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 31f098b29298f031 (53 x AgentTesla, 30 x Formbook, 12 x RedLineStealer)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
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 signatures2 2 Behavior Graph ID: 646098 Sample: LSP63103.EXE Startdate: 15/06/2022 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 5 other signatures 2->42 10 LSP63103.EXE 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\LSP63103.EXE.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 LSP63103.EXE 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 ahmadiyyamadagascar.com 170.10.160.86, 49835, 80 STEADFASTUS United States 17->30 32 www.healthymebc.com 198.100.154.154, 49781, 80 OVHFR Canada 17->32 34 www.ahmadiyyamadagascar.com 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 chkdsk.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2022-06-15 08:46:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:d94e rat spyware stealer suricata trojan
Behaviour
Gathers network information
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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
34ee5be78425bab4fbd8f39306b8ec39197aaf5d6802e1aa3d68a3d14e79be18
MD5 hash:
572d10d3b5a84f30eb3738ceb68e717a
SHA1 hash:
6f5b627668bc7c1c57801fff9a4fd8f7b0fe249a
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
5e95b92999dc337f367d2c8e91e68daadbcdfc537d2d11fa2612ce68a58e8d04
MD5 hash:
e3df2dd40f0ce5dcd593a52653983ca4
SHA1 hash:
d7d895a35867dc41c8a03ab5ec3aa4e38e1a08a3
SH256 hash:
8e46b68d353939b387e704af6c91d9eee359605ba6592795e7b3a02bc59614a3
MD5 hash:
2d749edd5eb8459121c9f52677d8d303
SHA1 hash:
a72edb7157a7d8cde75d9038d6c75d5930775bd9
SH256 hash:
516fe6dd9758b5afcb6dd9d89aadade58a814e639b5e020cd19086f42264427e
MD5 hash:
894654d07bd2aa8f848a2fa28cd3dc2a
SHA1 hash:
4ce4e7b703512721cf893e4f78dcebd8cf8fdbdf
SH256 hash:
835ad427cf84c1e97ad98d95c765125ca7629d62657dbfb6bf82327223e573b0
MD5 hash:
5e3b856fd3ea5e1dc91c79db317a4b19
SHA1 hash:
25f969391c43fe125bf6d9162a54d5ae5da2cf62
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:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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