MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 9a923858b6e0434e961118c2e0b6fc62bfddf64e1fc69b1b8acaa323d27c1d5e. 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: | 9a923858b6e0434e961118c2e0b6fc62bfddf64e1fc69b1b8acaa323d27c1d5e |
|---|---|
| SHA3-384 hash: | 2d1f8652bc061df297f8ae7d6f3f1fa4e84166b83db9384c0eee7ed07016e756599ca7c7b66babf9f60463d61001c517 |
| SHA1 hash: | c6cb7c4594be2c4578b359e4b1edfe98c131d856 |
| MD5 hash: | 881a02cd53c6403a7e543185b29a42f5 |
| humanhash: | diet-muppet-march-crazy |
| File name: | 000009000000900.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 454'144 bytes |
| First seen: | 2021-01-13 07:34:15 UTC |
| Last seen: | 2021-01-13 09:38:55 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 13f6eb96e7165e986a0d233796ec15e0 (5 x Formbook, 5 x RemcosRAT, 1 x Loki) |
| ssdeep | 3072:S8uTorP2/YpNkbaSolCzg2/lwbXizTSp+8LbCpUfqwlyXeu29CLUwpgJKosQB:syPcYfkb9oCzOo8vrC3ufCLUwzN+ |
| Threatray | 1'360 similar samples on MalwareBazaar |
| TLSH | 47A454D5F190C8AAED6B05F1BD2BA53024A3BE9C54A4410C569DBB1B76F3342309FE1E |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
abuse_ch
Malspam distributing RemcosRAT:HELO: hosted-by.rootlayer.net
Sending IP: 45.137.22.52
From: sales@alistekstil.com
Subject: Request for Quotation
Attachment: 000009000000900....pdf.z (contains "000009000000900.exe")
RemcosRAT C2:
45.137.22.52:8780
Intelligence
File Origin
# of uploads :
2
# of downloads :
192
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
000009000000900.exe
Verdict:
Malicious activity
Analysis date:
2021-01-13 10:00:25 UTC
Tags:
trojan 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% subdirectories
Creating a file
Running batch commands
Creating a process with a hidden window
Unauthorized injection to a recently created process
Sending a custom TCP request
Setting a keyboard event handler
Launching a process
Creating a file in the %AppData% subdirectories
Sending a UDP request
Enabling autorun by creating a file
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:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Installs a global keyboard hook
Machine Learning detection for dropped file
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:
Detection:
remcos
Threat name:
Win32.Dropper.Generic
Status:
Suspicious
First seen:
2021-01-13 01:43:30 UTC
AV detection:
17 of 46 (36.96%)
Threat level:
3/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'350 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
45.137.22.52:8780
Unpacked files
SH256 hash:
9a923858b6e0434e961118c2e0b6fc62bfddf64e1fc69b1b8acaa323d27c1d5e
MD5 hash:
881a02cd53c6403a7e543185b29a42f5
SHA1 hash:
c6cb7c4594be2c4578b359e4b1edfe98c131d856
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.82
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_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: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
| Rule name: | win_remcos_g0 |
|---|---|
| Author: | Daniel Plohmann <daniel.plohmann<at>fkie.fraunhofer.de> |
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
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