MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 81e133f9aae32be3ff7a818fe7fa37eea017740c139e825641cf50dfaaa2a0a9. 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: 17
| SHA256 hash: | 81e133f9aae32be3ff7a818fe7fa37eea017740c139e825641cf50dfaaa2a0a9 |
|---|---|
| SHA3-384 hash: | 7c71e106292660ac4a0189ba11c6b348070b88d7a03e7e35d72b7ebd744c8481ceb2e79a479f78fd185fd195eb28230d |
| SHA1 hash: | 091ef2e57f7f678ee12133fe30dc876cccd92056 |
| MD5 hash: | db7bb3e2019512de2abab139d5b0621a |
| humanhash: | comet-freddie-music-ack |
| File name: | SCAN 001.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 2'008'640 bytes |
| First seen: | 2023-09-07 11:17:39 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:bk95kM31x2jHHqbAEosHPWMRiz8ULpoQFRtSs0EYcyXUBi6E5Gj/3bIkGKJNktKy:UY75oILAz6E5GrrJNk+dZBYKYWPit |
| Threatray | 2'554 similar samples on MalwareBazaar |
| TLSH | T12495CD1A38AA100DF261AD7C5BBCB475915EFFF2163A1CBB0DF7254611228F1CB9D226 |
| TrID | 28.5% (.EXE) Win64 Executable (generic) (10523/12/4) 17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 13.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 12.2% (.EXE) Win32 Executable (generic) (4505/5/1) 5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| File icon (PE): |  |
| dhash icon | d4d4d4d4d4d4d4c4 (7 x RemcosRAT, 6 x AgentTesla, 1 x MassLogger) |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
307
Origin country :
NLVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
SCAN 001.exe
Verdict:
Malicious activity
Analysis date:
2023-09-07 11:31:00 UTC
Tags:
rat remcos keylogger
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
confuserex lolbin overlay packed packed remcos replace
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
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)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
PE file has nameless sections
Snort IDS alert for network traffic
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-09-07 11:18:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
35
AV detection:
22 of 24 (91.67%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 2'544 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:pack rat
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
urtyest29458iurtpes4est.duckdns.org:2401
Unpacked files
SH256 hash:
aca7fea83be98a5d8edd6baa0333d213c66553a6d62ff61bbcf7bdd54c462636
MD5 hash:
702e82f8bbf7024d32e39c2ee6b5f4b2
SHA1 hash:
89bf7434584aabe5965577276713605494ac2ec3
SH256 hash:
5432585147fc35d39a53dc1caf6c782daa36b6920a985b67b11a0d2a2dfb9fe7
MD5 hash:
edbb3237462bb20a9c132322f9064a56
SHA1 hash:
35b7358f4abf5b0368be4229da4c3f4cf758df2a
Detections:
Remcos
win_remcos_auto
SH256 hash:
81e133f9aae32be3ff7a818fe7fa37eea017740c139e825641cf50dfaaa2a0a9
MD5 hash:
db7bb3e2019512de2abab139d5b0621a
SHA1 hash:
091ef2e57f7f678ee12133fe30dc876cccd92056
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
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: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | iexplorer_remcos |
|---|---|
| Author: | iam-py-test |
| Description: | Detect iexplorer being taken over by Remcos |
| Rule name: | INDICATOR_EXE_Packed_ConfuserEx |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with ConfuserEx Mod |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) |
| Rule name: | maldoc_find_kernel32_base_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | pe_imphash |
|---|
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Windows_Trojan_Remcos_b296e965 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.remcos. |
| Rule name: | win_remcos_rat_unpacked |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.