MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f3550afc182c66a51c5d40bcafd4713f9b8552afbb52347185d98418d8c1549. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1f3550afc182c66a51c5d40bcafd4713f9b8552afbb52347185d98418d8c1549
SHA3-384 hash: 2fcb60a3dc56317abeb1cfff5b3001d63b899b240d62354d443d46930250906ebd743da24b4ce0d3f10f66a20c5b04e7
SHA1 hash: e768334e9e09c862f690d97a312e284e0de03cb1
MD5 hash: f6d022437e3ebab46604ace297d22ef6
humanhash: edward-cola-berlin-september
File name:f6d022437e3ebab46604ace297d22ef6.exe
Download: download sample
Signature DBatLoader
Create hunting rule
File size:835'584 bytes
First seen:2023-07-10 07:10:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash eb409b285a6dd6461b387b8190a8b951 (1 x DBatLoader)
ssdeep 12288:300zh1YnARzVrGgJoowTfehf/lHG6LbO35QPIwuYmmJ/9zaxmx86:39YARzVpWW7hPfbzaxmx8
Threatray 2'787 similar samples on MalwareBazaar
TLSH T196058D22E2B0CC76E0B739BCCF0667D55C1E7E312E2474062BF77A4C5B362916B66186
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 34e0ccc2c4d4d0e4 (1 x DBatLoader)
Reporter abuse_ch
Tags:DBatLoader exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
290
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/413386/
Detection(s):
SecuriteInfo.com.Variant.Ser.Zusy.4371.24688.13214.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control keylogger lolbin replace
Link:
https://www.filescan.io/uploads/64abaf060e49d672f31ed67e/reports/ddaa5b5e-5d88-469b-a091-dd2d7958d5cd/overview
Verdict:
Malicious
Labled as:
Ser.Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/1f3550afc182c66a51c5d40bcafd4713f9b8552afbb52347185d98418d8c1549
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.
Malware family:
Dbatloader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e0eb2705-3b14-4afc-a29c-0bc9af9d47fa
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1270342
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
DLL side loading technique detected
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Injects a PE file into a foreign processes
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: Remcos
Suspicious powershell command line found
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1270342 Sample: o1f4NDWzNn.exe Startdate: 11/07/2023 Architecture: WINDOWS Score: 100 74 Found malware configuration 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 Antivirus detection for dropped file 2->78 80 7 other signatures 2->80 10 o1f4NDWzNn.exe 1 7 2->10         started        15 Cmmqzusf.bat 2->15         started        17 Cmmqzusf.bat 2->17         started        process3 dnsIp4 70 cdn.discordapp.com 162.159.133.233, 443, 49700, 49704 CLOUDFLARENETUS United States 10->70 58 C:\Users\Public\Libraries\netutils.dll, PE32+ 10->58 dropped 60 C:\Users\Public\Libraries\easinvoker.exe, PE32+ 10->60 dropped 62 C:\Users\Public\Libraries\Cmmqzusf.bat, PE32 10->62 dropped 92 Writes to foreign memory regions 10->92 94 Allocates memory in foreign processes 10->94 96 Creates a thread in another existing process (thread injection) 10->96 19 cmd.exe 3 10->19         started        22 logagent.exe 10->22         started        98 Injects a PE file into a foreign processes 15->98 26 colorcpl.exe 15->26         started        72 162.159.130.233, 443, 49701 CLOUDFLARENETUS United States 17->72 100 Multi AV Scanner detection for dropped file 17->100 102 Machine Learning detection for dropped file 17->102 28 logagent.exe 17->28         started        file5 signatures6 process7 dnsIp8 82 Uses ping.exe to sleep 19->82 84 Drops executables to the windows directory (C:\Windows) and starts them 19->84 86 Uses ping.exe to check the status of other devices and networks 19->86 30 easinvoker.exe 19->30         started        32 PING.EXE 1 19->32         started        35 xcopy.exe 2 19->35         started        38 6 other processes 19->38 66 tolatilbu.hopto.org 180.214.236.46, 4848, 49702 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN Viet Nam 22->66 68 geoplugin.net 178.237.33.50, 49703, 80 ATOM86-ASATOM86NL Netherlands 22->68 56 C:\ProgramData\remcos\logs.dat, data 22->56 dropped file9 signatures10 process11 dnsIp12 40 cmd.exe 1 30->40         started        43 WMIADAP.exe 30->43         started        64 127.0.0.1 unknown unknown 32->64 52 C:\Windows \System32\easinvoker.exe, PE32+ 35->52 dropped 54 C:\Windows \System32\netutils.dll, PE32+ 38->54 dropped file13 process14 signatures15 88 Suspicious powershell command line found 40->88 90 Adds a directory exclusion to Windows Defender 40->90 45 powershell.exe 21 40->45         started        48 conhost.exe 40->48         started        process16 signatures17 104 DLL side loading technique detected 45->104 50 conhost.exe 45->50         started        process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1f3550afc182c66a51c5d40bcafd4713f9b8552afbb52347185d98418d8c1549/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-06-30 01:57:09 UTC
File Type:
PE (Exe)
Extracted files:
68
AV detection:
32 of 38 (84.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d42vbl6bqldguuof2qf4v7khcp43qvjk7o2sgryylwmeddmmcveq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0d7e2ea0f8269d0474c2d8de97da80b4c1333185f2ee6a602f4eff6e71759153
DBatLoader
221784974f49f2b54c90c63ce6cf9550d94b15c3442c29c959300dbbf5b91f61
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3fc5fe06474624df2032970d6c877080a12fdbd0b35f53622e11eb8788ed6c4a
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676e1a8d1399e67ef813b4cdd79709c04c3134c9842b636ed3c73d73a05efdc7
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71418a78c949e7f318a148ada4fd4a6701020a00707c426e3a2bf021966d03ce
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96c3eda0f05d27702d5af7f5e0c626da24c93013804fd3ebc35241164eafdbdf
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9846c8ffd0aec6ff3c8b8db350032e4d9586ac6aa22b06944672c837d3bbcf28
DBatLoader
+ 2'777 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:new year3 persistence rat trojan
Link:
https://tria.ge/reports/230710-hzxqwahb44/
Behaviour
Enumerates system info in registry
Runs ping.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
ModiLoader Second Stage
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
tolatilbu.hopto.org:4848
rnnfibiteammony.duckdns.org:4848
Unpacked files
SH256 hash:
77dc4c40bbc2b53f5a6bebaf4f4a0ce052ff80cf3bc5d4a832abfc0eebeb8adf
MD5 hash:
ecd8ca3845d9d9b592ed8fa0fca410e1
SHA1 hash:
1429eab11b4245275c1c44d9df54e34882d4ef3f
Detections:
win_dbatloader_g1
Create hunting rule
Link:
https://www.unpac.me/results/5794bec6-0420-4c6e-8460-c4aa9b894190/
Parent samples :
904c33cddf1d9930deaafe80395988a6b61f4acd79e8e29058a6dc00a3de851b
bc1639de9b817b9d369cae27aa956d74339e106bff317c9c1c2bca4310fd1403
1f3550afc182c66a51c5d40bcafd4713f9b8552afbb52347185d98418d8c1549
SH256 hash:
1f3550afc182c66a51c5d40bcafd4713f9b8552afbb52347185d98418d8c1549
MD5 hash:
f6d022437e3ebab46604ace297d22ef6
SHA1 hash:
e768334e9e09c862f690d97a312e284e0de03cb1
Detections:
DbatLoaderStage1
Create hunting rule
Link:
https://www.unpac.me/results/5794bec6-0420-4c6e-8460-c4aa9b894190/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1f3550afc182/report/overview.html
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:CMD_Ping_Localhost
Create hunting rule
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/413386/

Comments