MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 adfc3ee6ab7e57dbc349df73bd542742be77d2821c62aed04915f0b096bf73b2. 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: 11


Intelligence 11 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: adfc3ee6ab7e57dbc349df73bd542742be77d2821c62aed04915f0b096bf73b2
SHA3-384 hash: 6b3fb96b6c270d87772dac21338f784ad6eadcb40cb9ca080bdccfa9c392409eb5f5614da76b942eb05e7897f8726b57
SHA1 hash: b48446e52f8baf9392b073046e2127987c92ebed
MD5 hash: 325d0b33a23d9b516e0f8f707c152e2b
humanhash: spaghetti-oxygen-network-white
File name:QUOTE-PDF- SCAN COPY.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:249'340 bytes
First seen:2021-03-03 08:29:32 UTC
Last seen:2021-03-12 14:53:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:n8LxB4xTJyIeVzyah5zvGYCSocL8YHTFy4m/BN:xT7Sz9zvDCSoe8+paBN
TLSH B234DF47B76C8BEED39A8AB2793A0231D719DF5306516C46BBE9FD2E053214D7E021C2
Reporter GovCERT_CH
Tags:RemcosRAT

Intelligence

File Origin
# of uploads :
12
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUOTE-PDF- SCAN COPY.exe
Verdict:
Malicious activity
Analysis date:
2021-03-03 08:30:38 UTC
Tags:
trojan rat remcos keylogger
Link:
https://app.any.run/tasks/8a92bffd-44ce-4da7-9717-d0b5b8fdf0d4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/121299/
Detection(s):
PUA.Win.Downloader.Soft32downloader-6691270-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Sending a custom TCP request
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Result
Verdict:
UNKNOWN
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/625752
Signature
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/adfc3ee6ab7e57dbc349df73bd542742be77d2821c62aed04915f0b096bf73b2/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-03 08:30:08 UTC
AV detection:
17 of 47 (36.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vx6d5zvlpzl5xq2j35z32vbhik7hpuucdrrk5ucjcxylbfv7ooza._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210303-hk63b86326/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
103.89.88.238:4299
Unpacked files
SH256 hash:
8b6acc4508b4457b871d1df978e110ed4b5f203448db74ac59ecf83df2986db1
MD5 hash:
14d779aba3874138ea5bb8f54f930022
SHA1 hash:
612651ca73f66b170847228d2eb8a93d75aad25c
Link:
https://www.unpac.me/results/95d8c983-1257-4a13-8538-dc664e7387e8/
SH256 hash:
093dba961234b0120db11213defde8b6683d8a71729991a7c0f5e16ced375b64
MD5 hash:
479225a4e417132dff3c624dff503520
SHA1 hash:
286b5a97d288d48af94b5c15c4e926c88b28e16d
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/95d8c983-1257-4a13-8538-dc664e7387e8/
Parent samples :
4ee463200a2e23f5f8cd27820da94a17de71dfbcdd4793524262d6ab2099b44c
790266f679f399a10b26371ab1cf17292a9586bca0bc52c97f13d965b78911a8
8e62eb17b50936053675c33dca61e87b9d29cbe7d699f0949abda1dc16b6ba33
8e51354c8b2f461ab0cfb92409bc45bf4e06ae244080513e2d6224dc22f47771
adfc3ee6ab7e57dbc349df73bd542742be77d2821c62aed04915f0b096bf73b2
SH256 hash:
d79f417db4132479a8543128c320236afbd4ad98548436f9bab4454edf62cbcb
MD5 hash:
ef3e03a2f317cf4b5923882de6604e67
SHA1 hash:
b4eb3202c250dffefe450ca352302d000c890d2f
Link:
https://www.unpac.me/results/95d8c983-1257-4a13-8538-dc664e7387e8/
SH256 hash:
adfc3ee6ab7e57dbc349df73bd542742be77d2821c62aed04915f0b096bf73b2
MD5 hash:
325d0b33a23d9b516e0f8f707c152e2b
SHA1 hash:
b48446e52f8baf9392b073046e2127987c92ebed
Link:
https://www.unpac.me/results/95d8c983-1257-4a13-8538-dc664e7387e8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/adfc3ee6ab7e57dbc349df73bd542742be77d2821c62aed04915f0b096bf73b2

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
Create hunting rule
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
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.

bf05f7e2f018d3035f1660d3fce2e6de3b0b5612946bf263239b7f22461314b5

RemcosRAT

Executable exe adfc3ee6ab7e57dbc349df73bd542742be77d2821c62aed04915f0b096bf73b2

(this sample)

  
Dropped by
MD5 84cebc60cf7c75a77c9b92face83e23a
  
Dropped by
SHA256 bf05f7e2f018d3035f1660d3fce2e6de3b0b5612946bf263239b7f22461314b5
  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/121299/

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