MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a73c8a9fec76b4eac9dadd045f36da263c7c21cf427f4c93f03ecd963a1d69ed. 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: 9
| SHA256 hash: | a73c8a9fec76b4eac9dadd045f36da263c7c21cf427f4c93f03ecd963a1d69ed |
|---|---|
| SHA3-384 hash: | ccfa8e75dec9ab5026d79f6755ccefc5ddce061e10a94060a09635bd3d14bd58dad8fbeccbb73866f55c8ee1ae775075 |
| SHA1 hash: | 6b2a0bb931e744da0e478026df7cc19be5091f63 |
| MD5 hash: | 4368612fa76c96cf5e846213dc471d8a |
| humanhash: | florida-hotel-four-early |
| File name: | DHL_6368638172 receipt document,pdf.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 917'136 bytes |
| First seen: | 2021-02-16 13:59:21 UTC |
| Last seen: | 2021-02-16 15:38:21 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 64b747126920f2db0c64929f48d320a0 (10 x RemcosRAT) |
| ssdeep | 12288:DOzzcxrBWwx/vdym2RHAxMGD5usGjggCoDaMycZ+HB9:DUzQJ1Z2xzGDAsG0gtDocGB9 |
| Threatray | 1'576 similar samples on MalwareBazaar |
| TLSH | 9215C4F2E95A4E31F05B153CE58EF6781826BCF1391D846A4ED47F0AAAA332C35114B7 |
| Reporter |  abuse_ch |
| Tags: | DHL exe RAT RemcosRAT |
abuse_ch
Malspam distributing RemcosRAT:HELO: mail8.promptcheng.com
Sending IP: 64.225.21.122
From: DHL Express <NoReply.ODD@dhl.com>
Subject: Re: DHL Shipment Notification : 6368638172
Attachment: DHL_6368638172 receipt document,pdf.iso (contains "DHL_6368638172 receipt document,pdf.exe")
RemcosRAT C2:
stateman.ddns.net
Intelligence
File Origin
# of uploads :
2
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
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
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
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
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
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
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Delf
Status:
Malicious
First seen:
2021-02-16 10:30:15 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'566 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
Remcos
Unpacked files
SH256 hash:
6c5faf9784abeff03bdbe2522b9da9862ac8eb9d333f608f8ef28719565968df
MD5 hash:
dff8986eae6a2b85730955c35b506f1a
SHA1 hash:
0b20d24bdd350524c25f5d513d1b3f8e4315c989
SH256 hash:
a73c8a9fec76b4eac9dadd045f36da263c7c21cf427f4c93f03ecd963a1d69ed
MD5 hash:
4368612fa76c96cf5e846213dc471d8a
SHA1 hash:
6b2a0bb931e744da0e478026df7cc19be5091f63
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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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