MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3a16a07b5af879c69e9e1225c0f5c6226fe505eff39d7a2195b1f9876fa804bf. 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: 10
| SHA256 hash: | 3a16a07b5af879c69e9e1225c0f5c6226fe505eff39d7a2195b1f9876fa804bf |
|---|---|
| SHA3-384 hash: | 918aa2835242807ee66c1ce97f6b6ed24a10fc2da95a37da44a5176b79dbdd4a9a3e5c7037fd1b2af3a05829cee1d27e |
| SHA1 hash: | 906204bffa5b3d3194140b3a67628b9c79f3e330 |
| MD5 hash: | afc481d2bbf79310182759408a1b9b08 |
| humanhash: | vegan-undress-golf-chicken |
| File name: | SP AIR B00,pdf.scr |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 800'072 bytes |
| First seen: | 2021-02-09 10:05:27 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 0f3b9aa4dc1bf9f845ef0335e50b9bfb (3 x RemcosRAT, 2 x Loki, 1 x AgentTesla) |
| ssdeep | 12288:fORH5bWOSpGya2XsVy3GGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGL:fMPxwX4rmA4 |
| Threatray | 1'550 similar samples on MalwareBazaar |
| TLSH | 10057BE163815976E0362ABC884742E80927BCC4A91D594F9BA4FB0F6E7139C7DCE05F |
| Reporter |  abuse_ch |
| Tags: | RAT RemcosRAT scr |
abuse_ch
Malspam distributing RemcosRAT:HELO: cyberwave2.quape.com
Sending IP: 103.69.130.164
From: VESSEL Co., Inc. <info6.vessel.europe@vessel.co.jp>
Subject: Air Tools brand at competitive prices
Attachment: SP AIR B00,pdf.zip (contains "SP AIR B00,pdf.scr")
RemcosRAT C2:
zubby2468.hopto.org
Intelligence
File Origin
# of uploads :
1
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SP AIR B00,pdf.scr
Verdict:
Malicious activity
Analysis date:
2021-02-09 10:06:17 UTC
Tags:
rat remcos
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
DNS request
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Connection attempt to an infection source
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:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Delf
Status:
Malicious
First seen:
2021-02-08 11:10:34 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'540 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos persistence rat
Behaviour
Suspicious use of WriteProcessMemory
Adds Run key to start application
Enumerates connected drives
Remcos
Unpacked files
SH256 hash:
38919c96274afe44c440fa298fc363e1217dfa355da38dd4de2ef213808870c2
MD5 hash:
c3d226b590a22cb9f1aa308748ff47dd
SHA1 hash:
64504ed945df46476fc3ac19dd42972966206e52
SH256 hash:
3a16a07b5af879c69e9e1225c0f5c6226fe505eff39d7a2195b1f9876fa804bf
MD5 hash:
afc481d2bbf79310182759408a1b9b08
SHA1 hash:
906204bffa5b3d3194140b3a67628b9c79f3e330
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
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: | ach_RemcosRAT |
|---|---|
| Author: | abuse.ch |
| 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: | Parallax |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies Parallax RAT. |
| 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 |
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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