MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 049e9d7752ac8d5e6fe2aec24496009f7f6150c5a26f1291a3d01f3a77030a8c. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash: 049e9d7752ac8d5e6fe2aec24496009f7f6150c5a26f1291a3d01f3a77030a8c
SHA3-384 hash: 5d14207cfe27ae047449c8a0f2726d56b211fe7e6b3604de767a3236cea574aae9a8c94cea2cadde3af87f938d1e0125
SHA1 hash: 4e397a809b06d43b780515499158b7f2c4da59e3
MD5 hash: cc35b19e888a9861aec93fd6178b8dc5
humanhash: high-paris-sierra-one
File name:pre alert documents.bat.exe
Download: download sample
Signature RemcosRAT
File size:839'168 bytes
First seen:2022-06-02 18:23:32 UTC
Last seen:2022-06-03 10:34:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:zEAvsfvjqxpIrjJwkIVmYYnWb2rw1zq/CqH2rSTC3KkcpynfyNo4I4QlBXK307iB:cvekRwkIJYnWbxzqrH2rSuNf
TLSH T1AC05D026F28B922AF13ED174C821E17887E5BC87BA03E7AF55C06DDF35E1A41451B12B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
7
# of downloads :
387
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
pre alert documents.bat.exe
Verdict:
Suspicious activity
Analysis date:
2022-06-02 18:25:13 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Adding an access-denied ACE
Сreating synchronization primitives
Creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive obfuscated packed powershell powershell
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:
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Remcos
Status:
Malicious
First seen:
2022-06-02 15:38:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Modifies file permissions
Remcos
Malware Config
C2 Extraction:
172.111.153.127:3033
Unpacked files
SH256 hash:
049e9d7752ac8d5e6fe2aec24496009f7f6150c5a26f1291a3d01f3a77030a8c
MD5 hash:
cc35b19e888a9861aec93fd6178b8dc5
SHA1 hash:
4e397a809b06d43b780515499158b7f2c4da59e3
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information


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

Malspam

RemcosRAT

Executable exe 049e9d7752ac8d5e6fe2aec24496009f7f6150c5a26f1291a3d01f3a77030a8c

(this sample)

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