MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8f7a439064778b2ad9e44db4c6a5de467d3ba10afa3a3c377d6f34c177e36d8. 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 4 File information Comments

SHA256 hash: e8f7a439064778b2ad9e44db4c6a5de467d3ba10afa3a3c377d6f34c177e36d8
SHA3-384 hash: 580148d485d1ff1b2e89ba7ebe6bda37cd01930a2b84d87e3023a761cbb8651925fdbd90be5e8b2888ea7c780af615c6
SHA1 hash: 8ec16dd06a447fcdf705629272c48b277faec86e
MD5 hash: 1de308b23fbceb62c44564caba8adefa
humanhash: arkansas-diet-king-network
File name:SecuriteInfo.com.Win32.RATX-gen.5656.31272
Download: download sample
Signature Formbook
File size:687'104 bytes
First seen:2024-09-19 17:23:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:jPT0mNzOQfgJIbsaW9FFWIQ/iAFSrUY79r/mezaWKVJyP+Henv/6hKKUfEDTVrYr:jFz1fgKbIFJQ/iAFSQY7FNRKKGHevCU+
Threatray 4'217 similar samples on MalwareBazaar
TLSH T1A2E412795229E61AFE9817F80032C3B2267A5EADF006D327EFED6CF77C296005845395
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
384
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.RATX-gen.5656.31272
Verdict:
Suspicious activity
Analysis date:
2024-09-19 17:26:32 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Execution Generic Network Static Stealth
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
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1514052 Sample: SecuriteInfo.com.Win32.RATX... Startdate: 19/09/2024 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Sigma detected: Scheduled temp file as task from temp location 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 6 other signatures 2->52 7 SecuriteInfo.com.Win32.RATX-gen.5656.31272.exe 7 2->7         started        11 HxEuVjei.exe 5 2->11         started        process3 file4 38 C:\Users\user\AppData\Roaming\HxEuVjei.exe, PE32 7->38 dropped 40 C:\Users\...\HxEuVjei.exe:Zone.Identifier, ASCII 7->40 dropped 42 C:\Users\user\AppData\Local\Temp\tmpABB.tmp, XML 7->42 dropped 44 SecuriteInfo.com.W....5656.31272.exe.log, ASCII 7->44 dropped 54 Uses schtasks.exe or at.exe to add and modify task schedules 7->54 56 Adds a directory exclusion to Windows Defender 7->56 58 Injects a PE file into a foreign processes 7->58 13 powershell.exe 23 7->13         started        16 powershell.exe 23 7->16         started        18 schtasks.exe 1 7->18         started        20 SecuriteInfo.com.Win32.RATX-gen.5656.31272.exe 7->20         started        60 Multi AV Scanner detection for dropped file 11->60 62 Machine Learning detection for dropped file 11->62 22 schtasks.exe 1 11->22         started        24 HxEuVjei.exe 11->24         started        signatures5 process6 signatures7 64 Loading BitLocker PowerShell Module 13->64 26 conhost.exe 13->26         started        28 WmiPrvSE.exe 13->28         started        30 conhost.exe 16->30         started        32 conhost.exe 18->32         started        34 WerFault.exe 21 16 20->34         started        36 conhost.exe 22->36         started        process8
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2024-09-19 17:24:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
5d9b65021548960a11e2548471277b1d19fc3d19843ff3d4df93debded6f30e1
MD5 hash:
c7fb3e3ff097f8dece2518cf837cffaf
SHA1 hash:
5c7d112f9400d672d59d1ef4458755c720bfe284
SH256 hash:
5202101220bb6c21ba32ff14bd8bf184a68de0a954413b30bc110a8ca67b8f34
MD5 hash:
af6ddd62ff903a92ba04f4877634941a
SHA1 hash:
7e0b4a9e02dbecf1a94ccf86f9c9bacac31643dc
SH256 hash:
9bca15b31c20811d9bc9ac9a65c07bb6130b4f7056effc94cc35b5b01e29fe06
MD5 hash:
f1492b2cdef295cac479eeed795a2145
SHA1 hash:
c529adb117893f4a5f9328250522b0015664e290
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
e8f7a439064778b2ad9e44db4c6a5de467d3ba10afa3a3c377d6f34c177e36d8
MD5 hash:
1de308b23fbceb62c44564caba8adefa
SHA1 hash:
8ec16dd06a447fcdf705629272c48b277faec86e
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:NET
Author:malware-lu
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.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments