MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 033f4d8bd914597ee146ea8761a3f79fceb4f49af99f411e9ee94775ed298179. 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
| SHA256 hash: | 033f4d8bd914597ee146ea8761a3f79fceb4f49af99f411e9ee94775ed298179 |
|---|---|
| SHA3-384 hash: | c13756bb976bb85727ad0eb44592e591984dec91a85b304a727416cc749dd2ec5558b0429b94298cc4dcab2a9b1a73b3 |
| SHA1 hash: | 088aa59dc4185f60d450087899a4964957e49319 |
| MD5 hash: | 030daaca1bd4fc284e4b4ab63d1b6419 |
| humanhash: | bacon-hydrogen-crazy-lima |
| File name: | 0900000000000000000900.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 86'769 bytes |
| First seen: | 2021-04-23 10:31:23 UTC |
| Last seen: | 2021-04-23 11:51:19 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 64 x GuLoader, 54 x Loki) |
| ssdeep | 1536:FErU9XLGOA9yMHI7jsOzDcXbdThA9b1MbI3E3w0EXv5LJxZKGCl4p6cnF:FEre7GjyCaFvcXbdTq9b1MbIUb4RLJxp |
| Threatray | 2'149 similar samples on MalwareBazaar |
| TLSH | 8D83F26623A0C5F3C7331BB11F392B63DFE6C9121291938B5B849BD9B5676C2490F683 |
| Reporter |  GovCERT_CH |
| Tags: | RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0900000000000000000900.exe
Verdict:
Malicious activity
Analysis date:
2021-04-23 10:36:27 UTC
Tags:
rat remcos
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Setting a keyboard event handler
Connection attempt
Sending a UDP request
Creating a file in the %AppData% subdirectories
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:
troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
Contains functionality to prevent local Windows debugging
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Detected Remcos RAT
Detected unpacking (changes PE section rights)
Found malware configuration
Installs a global keyboard hook
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
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Spynoon
Status:
Malicious
First seen:
2021-04-22 11:10:43 UTC
AV detection:
33 of 47 (70.21%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 2'139 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Remcos
Unpacked files
SH256 hash:
c08e2ff95e39780720c26ec0535a05f23557d3e3122ed8f593dee2950ebef702
MD5 hash:
96c19f4be5eb899973ad0090567c769e
SHA1 hash:
f52e2194466763adb44b604b2d06c0222e870c81
SH256 hash:
033f4d8bd914597ee146ea8761a3f79fceb4f49af99f411e9ee94775ed298179
MD5 hash:
030daaca1bd4fc284e4b4ab63d1b6419
SHA1 hash:
088aa59dc4185f60d450087899a4964957e49319
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.97
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: | Chrome_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Chrome in files like avemaria |
| Rule name: | INDICATOR_EXE_Packed_MPress |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables built or packed with MPress PE compressor |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer |
|---|---|
| Author: | ditekSHen |
| Description: | detects Windows exceutables potentially bypassing UAC using eventvwr.exe |
| Rule name: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| Rule name: | Remcos |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Remcos in memory |
| Rule name: | remcos_rat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | suspicious_packer_section |
|---|---|
| Author: | @j0sm1 |
| Description: | The packer/protector section names/keywords |
| Reference: | http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/ |
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
Comments
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0032.001] Data Micro-objective::CRC32::Checksum
1) [C0026.002] Data Micro-objective::XOR::Encode Data
4) [C0046] File System Micro-objective::Create Directory
5) [C0048] File System Micro-objective::Delete Directory
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0050] File System Micro-objective::Set File Attributes
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
14) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
15) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
16) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
17) [C0017] Process Micro-objective::Create Process
18) [C0038] Process Micro-objective::Create Thread