MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d38b7f092af30ecfbbfdb162e1dd8baabb4c0f2dee65ec5179126a8488e499e6. 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


RemcosRAT


Vendor detections: 16


Intelligence 16 IOCs 1 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d38b7f092af30ecfbbfdb162e1dd8baabb4c0f2dee65ec5179126a8488e499e6
SHA3-384 hash: 6901369e2e7c5cadd9da9c376f3c90a56f66887f6e015d643e9508d17338ba954b26f3208fc1e78f1dd77da62b10729e
SHA1 hash: a7e2c6a164028b56c6ef8e8916370727580c88b7
MD5 hash: 2edf88e02d3d85584e3ed8586e9a59da
humanhash: early-mexico-twenty-music
File name:invoice#653.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'097'216 bytes
First seen:2024-07-23 07:40:18 UTC
Last seen:2024-07-29 08:54:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:ZBhGpK0/k4xwyo7s0dPjEvd6O91vkgCPUD5RkK/X:ZBu/XO5dPoPHhAUn7P
Threatray 4'517 similar samples on MalwareBazaar
TLSH T13D3533AEBFD68811CB114EB9F23785E9446C76636E255B91F381883850E23B70D3D93A
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
146.70.137.90:3343

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
146.70.137.90:3343 https://threatfox.abuse.ch/ioc/1303174/

Intelligence

File Origin
# of uploads :
2
# of downloads :
394
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Heur.MSIL.Androm.1.14311.11697.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=669f5e922f6eaff4b90f45f7
Tags:
Discovery Execution Network Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/669f5e94f1068d66afc07ca2/reports/a1f3df89-ef60-42d2-b2d6-5d46b9a1a402/overview
Verdict:
Malicious
Labled as:
MSIL.Androm.Generic
Link:
https://www.hybrid-analysis.com/sample/d38b7f092af30ecfbbfdb162e1dd8baabb4c0f2dee65ec5179126a8488e499e6
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:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/40fe600c-3bab-43d9-9c4b-484c077f761a
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1479047
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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 Remcos RAT
Encrypted powershell cmdline option found
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara Genericmalware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1479047 Sample: invoice#653.exe Startdate: 23/07/2024 Architecture: WINDOWS Score: 100 36 horsesnje.net 2->36 38 geoplugin.net 2->38 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 14 other signatures 2->50 8 invoice#653.exe 5 2->8         started        signatures3 process4 signatures5 52 Encrypted powershell cmdline option found 8->52 54 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->54 56 Writes to foreign memory regions 8->56 58 Injects a PE file into a foreign processes 8->58 11 InstallUtil.exe 3 16 8->11         started        16 powershell.exe 23 8->16         started        18 cmd.exe 1 8->18         started        20 cmd.exe 8->20         started        process6 dnsIp7 40 horsesnje.net 146.70.137.90, 3343, 57847 TENET-1ZA United Kingdom 11->40 42 geoplugin.net 178.237.33.50, 57848, 80 ATOM86-ASATOM86NL Netherlands 11->42 34 C:\ProgramData\remcos\logs.dat, data 11->34 dropped 60 Contains functionality to bypass UAC (CMSTPLUA) 11->60 62 Detected Remcos RAT 11->62 64 Contains functionalty to change the wallpaper 11->64 68 5 other signatures 11->68 66 Loading BitLocker PowerShell Module 16->66 22 WmiPrvSE.exe 16->22         started        24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        28 timeout.exe 1 18->28         started        30 conhost.exe 20->30         started        32 timeout.exe 1 20->32         started        file8 signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d38b7f092af30ecfbbfdb162e1dd8baabb4c0f2dee65ec5179126a8488e499e6
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d38b7f092af30ecfbbfdb162e1dd8baabb4c0f2dee65ec5179126a8488e499e6/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-07-23 07:41:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2ofx6cjk6mhm7o75wfrodxmlvk5uydzn5zs6yulzcjvijchethta._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
3e32447ea3b5f07c7f6a180269f5443378acb32c5d0e0bf01a5e39264f691587
RemcosRAT
472a8fbff35cdda49a870d372fa6da50defd8480348438e245f11aad954642d1
RemcosRAT
47f9955f36afbe74f292eb02e47c782f720c9adaaa8e31cf9f82e50c74c3b044
RemcosRAT
737cedd9e82602536f0b02d2608b856c49b158928de47bb891d401bae810bdc4
RemcosRAT
909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768
RemcosRAT
ab4c9b244a1604655032a8f69acc4273265fa35337906e05a1dc2b274b3b13a6
RemcosRAT
+ 4'507 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240723-jh4zasvcre/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/06367246-ed03-4f0f-b974-a596a295a7af
Unpacked files
SH256 hash:
f0f4aedab1e5c17e749a2c3ff91c2ca2ef423a17d8b53efa693dc413a92477b7
MD5 hash:
8ceb553bd4a5fda170a9a125bec96f3c
SHA1 hash:
6fa85cf616b8f9fcfa5d41f0044ba13925333d18
Link:
https://www.unpac.me/results/572ab7ae-13f3-4189-a306-7c0f41b1b92d/
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/572ab7ae-13f3-4189-a306-7c0f41b1b92d/
SH256 hash:
78f73e1734daa918b253517c75971fbb8df773a3d77d02a752e9a0ad1711a677
MD5 hash:
f9d2985aa1c41cca281321fffb5ed424
SHA1 hash:
3a7a58d2dcae2762882357ae34d372744b1dbb9d
Link:
https://www.unpac.me/results/572ab7ae-13f3-4189-a306-7c0f41b1b92d/
SH256 hash:
376bbf1a62d4ae2c4b038ce4e793eeab1e77e4f871fb4aff6ebd5a03017fbfed
MD5 hash:
5bec8400511da7f4c7945e6398b7d1f5
SHA1 hash:
2ec6061285b9486de2e0ee56baa7d33591e9a44b
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
Link:
https://www.unpac.me/results/572ab7ae-13f3-4189-a306-7c0f41b1b92d/
Parent samples :
d38b7f092af30ecfbbfdb162e1dd8baabb4c0f2dee65ec5179126a8488e499e6
007f77e684f4a7e6e64a0a42dc4001b58295a376822f6da576af60c600503935
SH256 hash:
1e203e3c6e7e7fdb57ed721ec52dc19eec792ed41cd910e16c25ef9093e1749e
MD5 hash:
77389899595861d31db2df164ef827f2
SHA1 hash:
29a0c1cf73ced7b336c8db12581a58a56832db5d
Link:
https://www.unpac.me/results/572ab7ae-13f3-4189-a306-7c0f41b1b92d/
SH256 hash:
d38b7f092af30ecfbbfdb162e1dd8baabb4c0f2dee65ec5179126a8488e499e6
MD5 hash:
2edf88e02d3d85584e3ed8586e9a59da
SHA1 hash:
a7e2c6a164028b56c6ef8e8916370727580c88b7
Link:
https://www.unpac.me/results/572ab7ae-13f3-4189-a306-7c0f41b1b92d/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d38b7f092af3/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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 (GUARD_CF)high

Comments