MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 385a2aacf61c69ae83a08ab9f1519fd71f4d22e73e214d02c9e65bb1d89afb6f. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 385a2aacf61c69ae83a08ab9f1519fd71f4d22e73e214d02c9e65bb1d89afb6f
SHA3-384 hash: 779c23b07c0c85799dc892909056018ec6679f8bda7b2085765ac91f31ba581ef25ffac043155d431ba17205bdfa5863
SHA1 hash: 8d11ef338034bf48ffe1906755541df9522a8507
MD5 hash: 6453b2c641ecd201797954f45ab1df61
humanhash: sixteen-wisconsin-sink-beer
File name:SecuriteInfo.com.Trojan.DownLoaderNET.447.31581.4053
Download: download sample
Signature Formbook
File size:28'480 bytes
First seen:2022-10-12 09:12:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:aPBGuWgLCc1s1tNiMKbPfsbrn11cLNykbIYUsiRPPRMNB:2rCH1tcJbPkbrbcLNzIYUsixPCNB
Threatray 1'075 similar samples on MalwareBazaar
TLSH T11FD25D867FE4C951C5A26B32C4CA05040B70F54279A3D72E78AD633D4EA33DB2A895DE
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)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a file
Searching for synchronization primitives
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed 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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Injects a PE file into a foreign processes
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 721295 Sample: SecuriteInfo.com.Trojan.Dow... Startdate: 12/10/2022 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 7 other signatures 2->41 8 SecuriteInfo.com.Trojan.DownLoaderNET.447.31581.4053.exe 15 3 2->8         started        process3 dnsIp4 31 bbjcranehoist.com 103.129.220.6, 443, 49702, 49703 IDNIC-PAAS-AS-IDPTAwanKilatSemestaID Indonesia 8->31 23 SecuriteInfo.com.T....31581.4053.exe.log, CSV 8->23 dropped 51 Writes to foreign memory regions 8->51 53 Allocates memory in foreign processes 8->53 55 Injects a PE file into a foreign processes 8->55 57 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->57 13 aspnet_compiler.exe 8->13         started        file5 signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 13->59 61 Maps a DLL or memory area into another process 13->61 63 Sample uses process hollowing technique 13->63 65 Queues an APC in another process (thread injection) 13->65 16 explorer.exe 13->16 injected process9 dnsIp10 25 chemistryramasastry.com 216.10.253.155, 49704, 80 PUBLIC-DOMAIN-REGISTRYUS India 16->25 27 www.jobsfv.com 23.234.55.183, 80 IKGUL-26484US United States 16->27 29 2 other IPs or domains 16->29 33 System process connects to network (likely due to code injection or exploit) 16->33 20 chkdsk.exe 13 16->20         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 20->43 45 Tries to harvest and steal browser information (history, passwords, etc) 20->45 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49
Threat name:
ByteCode-MSIL.Backdoor.Andromeda
Status:
Malicious
First seen:
2022-10-12 06:06:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
11 of 26 (42.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:hdzz rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
385a2aacf61c69ae83a08ab9f1519fd71f4d22e73e214d02c9e65bb1d89afb6f
MD5 hash:
6453b2c641ecd201797954f45ab1df61
SHA1 hash:
8d11ef338034bf48ffe1906755541df9522a8507
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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.

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