MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8b4f90e536a1cdd95cc100f8db1cbc90970f125110fbe883523e84b0beae62a. 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



DBatLoader


Vendor detections: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: f8b4f90e536a1cdd95cc100f8db1cbc90970f125110fbe883523e84b0beae62a
SHA3-384 hash: 9a4fa461bb04dc8ab325feabc396b6bac792b250a00259d6fe2daec5b76e42f5246722e8651a80eba0782e2a9ba98d6b
SHA1 hash: 0b799db2170957ee5fffff4eb728c11b9ab37149
MD5 hash: 138dbab797d6d49d67f7aa2d0d5c54e9
humanhash: fifteen-leopard-maryland-neptune
File name:PO-880182.PDF..exe
Download: download sample
Signature DBatLoader
File size:1'893'888 bytes
First seen:2023-12-05 07:13:43 UTC
Last seen:2023-12-05 09:19:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f708a240f91f9882a6a9d52b3c7555bf (2 x DBatLoader)
ssdeep 49152:iytH9q1rUWS1qXtfRGHKpk3H8eiTwHFimH9jIrMKSIa+GGXHIfd2Ddk6L+O/:i+HqJS1qXtfRGHKpk3H8eiTwHFimH9jm
TLSH T19995DF52B6B04976CC12E9BE2C7BD1FD9931BE351B586782E9E07C0C4E717922C5C28B
TrID 86.8% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
4.6% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.3% (.SCR) Windows screen saver (13097/50/3)
1.4% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 3636cd9cd8ac940b (2 x DBatLoader)
Reporter abuse_ch
Tags:DBatLoader exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
311
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Sending a custom TCP request
DNS request
Creating a file
Running batch commands
Creating a process with a hidden window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control hook keylogger lolbin masquerade 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:
Remcos, DBatLoader
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to modify clipboard data
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
DLL side loading technique detected
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with a suspicious file extension
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: Remcos
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1353760 Sample: PO-880182.PDF..exe Startdate: 05/12/2023 Architecture: WINDOWS Score: 100 75 web.fe.1drv.com 2->75 77 onedrive.live.com 2->77 79 3 other IPs or domains 2->79 89 Found malware configuration 2->89 91 Malicious sample detected (through community Yara rule) 2->91 93 Antivirus detection for URL or domain 2->93 95 11 other signatures 2->95 12 PO-880182.PDF..exe 1 8 2->12         started        16 Yhyaypik.PIF 2->16         started        18 Yhyaypik.PIF 2->18         started        signatures3 process4 file5 67 C:\Users\Public\Libraries\netutils.dll, PE32+ 12->67 dropped 69 C:\Users\Public\Libraries\kipyayhY.pif, PE32 12->69 dropped 71 C:\Users\Public\Libraries\easinvoker.exe, PE32+ 12->71 dropped 73 C:\Users\Public\Libraries\Yhyaypik.PIF, PE32 12->73 dropped 115 Drops PE files with a suspicious file extension 12->115 117 Writes to foreign memory regions 12->117 119 Allocates memory in foreign processes 12->119 20 kipyayhY.pif 3 15 12->20         started        25 cmd.exe 1 12->25         started        121 Multi AV Scanner detection for dropped file 16->121 123 Machine Learning detection for dropped file 16->123 27 kipyayhY.pif 16->27         started        29 kipyayhY.pif 18->29         started        signatures6 process7 dnsIp8 81 geoplugin.net 178.237.33.50, 49719, 80 ATOM86-ASATOM86NL Netherlands 20->81 83 172.245.208.30, 49717, 49718, 52707 AS-COLOCROSSINGUS United States 20->83 61 C:\ProgramData\remcos\logs.dat, data 20->61 dropped 99 Contains functionality to bypass UAC (CMSTPLUA) 20->99 101 Detected unpacking (changes PE section rights) 20->101 103 Detected unpacking (creates a PE file in dynamic memory) 20->103 111 10 other signatures 20->111 31 kipyayhY.pif 20->31         started        34 kipyayhY.pif 20->34         started        36 kipyayhY.pif 20->36         started        105 Uses ping.exe to sleep 25->105 107 Drops executables to the windows directory (C:\Windows) and starts them 25->107 109 Uses ping.exe to check the status of other devices and networks 25->109 38 easinvoker.exe 25->38         started        40 PING.EXE 1 25->40         started        43 xcopy.exe 2 25->43         started        46 8 other processes 25->46 file9 signatures10 process11 dnsIp12 125 Tries to steal Instant Messenger accounts or passwords 31->125 127 Tries to steal Mail credentials (via file / registry access) 31->127 129 Tries to harvest and steal browser information (history, passwords, etc) 34->129 48 cmd.exe 1 38->48         started        85 127.0.0.1 unknown unknown 40->85 63 C:\Windows \System32\easinvoker.exe, PE32+ 43->63 dropped 65 C:\Windows \System32\netutils.dll, PE32+ 46->65 dropped file13 signatures14 process15 signatures16 87 Adds a directory exclusion to Windows Defender 48->87 51 cmd.exe 1 48->51         started        54 conhost.exe 48->54         started        process17 signatures18 97 Adds a directory exclusion to Windows Defender 51->97 56 powershell.exe 27 51->56         started        process19 signatures20 113 DLL side loading technique detected 56->113 59 conhost.exe 56->59         started        process21
Threat name:
Win32.Trojan.ModiLoader
Status:
Malicious
First seen:
2023-12-05 06:43:35 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
modiloader
Score:
  10/10
Tags:
family:modiloader trojan
Behaviour
ModiLoader Second Stage
ModiLoader, DBatLoader
Unpacked files
SH256 hash:
f8b4f90e536a1cdd95cc100f8db1cbc90970f125110fbe883523e84b0beae62a
MD5 hash:
138dbab797d6d49d67f7aa2d0d5c54e9
SHA1 hash:
0b799db2170957ee5fffff4eb728c11b9ab37149
Detections:
DbatLoaderStage1
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:BobSoftMiniDelphiBoBBobSoft
Author:malware-lu
Rule name:Borland
Author:malware-lu
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Malspam

DBatLoader

Executable exe f8b4f90e536a1cdd95cc100f8db1cbc90970f125110fbe883523e84b0beae62a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments