MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3e1b557d439ca592c369de0b80c576820f61dcbc12c8babae78f3e30ba34f0af. 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: | 3e1b557d439ca592c369de0b80c576820f61dcbc12c8babae78f3e30ba34f0af |
|---|---|
| SHA3-384 hash: | 15b71c66963599527e2d7f82cad2b0894414e472411c3716bc0cd2c102a039af20229a5e7f221b4e9d59ffab8a068b1f |
| SHA1 hash: | 28c61ddbc341aff36ef147f1cb9139b7d055caf1 |
| MD5 hash: | e8594ea84a7a42ce70570019cff754a6 |
| humanhash: | uncle-solar-steak-quiet |
| File name: | e8594ea84a7a42ce70570019cff754a6.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'400'000 bytes |
| First seen: | 2021-01-12 16:51:19 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 3072:IwlTMl/8Y2kQupunhbAmnWFrrgrL0uydhKumGUvhTA32gIvCDyosPQj6hYzbleAE:sS |
| Threatray | 1'349 similar samples on MalwareBazaar |
| TLSH | 7A5503183E3B35A8F6D4F15E8425440D172CA3E9C20CD4EC62B7949EBE5FB5222DBC99 |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Result
Verdict:
Malware
Maliciousness:
Behaviour
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Adding an access-denied ACE
Creating a file
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Deleting a recently created file
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
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:
Unknown
Detection:
malicious
Classification:
evad
Score:
56 / 100
Signature
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Status:
Malicious
First seen:
2021-01-12 12:18:28 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'339 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos persistence rat
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu:2017
Unpacked files
SH256 hash:
3e1b557d439ca592c369de0b80c576820f61dcbc12c8babae78f3e30ba34f0af
MD5 hash:
e8594ea84a7a42ce70570019cff754a6
SHA1 hash:
28c61ddbc341aff36ef147f1cb9139b7d055caf1
SH256 hash:
24168f333530e3095c3b1e6db487e28b53f28f03ba3b70f9d8208df16dcfc05c
MD5 hash:
632ecaf9771dad71be257afd4cbf89bf
SHA1 hash:
c590ec4f8edbbe773f0082bcb0334d9a3ef10a67
Detections:
win_remcos_g0
win_remcos_auto
SH256 hash:
dffb0cde82c93ef253f7bb1b5c23bf9898816a673efddd508003206c82119640
MD5 hash:
057a05a8f061c353be3fca052e6b33c0
SHA1 hash:
e59ed2a051fd4abd83034f3bd2f9924986eaa74e
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.
Web download
Delivery method
Distributed via web download
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