MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ce4962d3126223b4bd68704159cbdc7479fb2df4263fb9f3d57492e770b74a94. 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


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ce4962d3126223b4bd68704159cbdc7479fb2df4263fb9f3d57492e770b74a94
SHA3-384 hash: 0942f49faf8e5afb009b7642ab5248487f7b785e482aa5101a4c8bab35738d5b49596e640fefe50d42923c81e1b1864f
SHA1 hash: c8b6887be7a5cabe302b15d1629da80dc17bd41e
MD5 hash: deb12b7d220655240be320afb661be5e
humanhash: speaker-thirteen-arizona-sodium
File name:Vsl descriptions.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:94'208 bytes
First seen:2020-12-19 17:37:34 UTC
Last seen:2020-12-23 02:57:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d3a62971944197f0701c7049a9c739d1 (60 x RemcosRAT)
ssdeep 1536:QhhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP60rL:2hzYTGWVvJ8f2v1TbPzuMsIFSHNThy+v
Threatray 1'248 similar samples on MalwareBazaar
TLSH A193C713FA4AD0B2E42591F146426F32CEBCBC3736492173D38FCA419D79892D456EAE
Reporter GovCERT_CH
Tags:RemcosRAT

Intelligence

File Origin
# of uploads :
5
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Vsl descriptions.exe
Verdict:
Malicious activity
Analysis date:
2020-12-19 17:37:39 UTC
Tags:
rat remcos trojan
Link:
https://app.any.run/tasks/d57b8239-4476-43a2-9e78-7426c80fdc00

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/108563/
Detection(s):
Win.Malware.Rescoms-6598304-0
Create hunting rule

Win.Malware.Zusy-6832224-0
Create hunting rule

Win.Malware.Azden-7587127-0
Create hunting rule

Win.Trojan.Remcos-9753190-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
Setting a keyboard event handler
Sending a custom TCP request
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Gathering data
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/566841
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 332504 Sample: Vsl descriptions.exe Startdate: 19/12/2020 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 13 other signatures 2->45 7 Vsl descriptions.exe 1 5 2->7         started        10 remcos.exe 1 3 2->10         started        14 remcos.exe 2->14         started        process3 dnsIp4 27 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 7->27 dropped 29 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 7->29 dropped 16 cmd.exe 1 7->16         started        35 88.218.16.126, 49721, 80 SERVERIUS-ASNL United Kingdom 10->35 31 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 10->31 dropped 55 Installs a global keyboard hook 10->55 file5 signatures6 process7 signatures8 37 Uses ping.exe to sleep 16->37 19 remcos.exe 16->19         started        22 PING.EXE 1 16->22         started        25 conhost.exe 16->25         started        process9 dnsIp10 47 Antivirus detection for dropped file 19->47 49 Multi AV Scanner detection for dropped file 19->49 51 Machine Learning detection for dropped file 19->51 53 3 other signatures 19->53 33 127.0.0.1 unknown unknown 22->33 signatures11
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ce4962d3126223b4bd68704159cbdc7479fb2df4263fb9f3d57492e770b74a94/
Threat name:
Win32.Backdoor.Rescoms
Create hunting rule
Status:
Malicious
First seen:
2020-12-18 09:17:22 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zzewfuysmir3jpliobavts64or47wlpuey73t46vosjoo4fxjkka._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
34f712cf924d76de4f93de3ddc9a0bb9a55b97bf64f2e36c7c0ae49ede694dfb
RemcosRAT
7a30279d9a17f60370018e2e519d9f3a5a423b79c996e2ce25649505206d0d53
RemcosRAT
89313534a5c4579b6a00425281ef0473246cfb2340653bd3cf41b584bfa40578
RemcosRAT
9d57d55535f8c1c4e4f656f444b1030dff3f4d657c57400d6f0b569a0ecd278e
RemcosRAT
aad53b1b6e50e7ee426f0790b5497cb7d63704a6775248f258db1263762761bb
RemcosRAT
abd4e6ee8152822c0545bd27a4f4c5114728873873e227044dfb48ecf1ecb37f
RemcosRAT
d9498f5a8b798490a85fa6878b5c7ac624b75259390ff4504adb52a11b3ea258
RemcosRAT
d9f827863726fb21fd036363b2090e4454776b3ee1a4665d004da0eaa05126e4
RemcosRAT
deaeae58f25c2af5579c5bd2dc276dcc346a6f022d359fc1e4d9e09ac2c1107f
RemcosRAT
fdd40bcfba668b785d404214fd35db117b186e21944b24f16540cce86f7bec78
RemcosRAT
+ 1'238 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/201219-rvvcwwx1m2/
Behaviour
Runs ping.exe
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
88.218.16.126:80
Unpacked files
SH256 hash:
ce4962d3126223b4bd68704159cbdc7479fb2df4263fb9f3d57492e770b74a94
MD5 hash:
deb12b7d220655240be320afb661be5e
SHA1 hash:
c8b6887be7a5cabe302b15d1629da80dc17bd41e
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/56b75b24-d9c6-4d85-b868-8987850e2d94/
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/ce4962d3126223b4bd68704159cbdc7479fb2df4263fb9f3d57492e770b74a94

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
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: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.

Malspam

RemcosRAT

zip 98a8626cb22d7d599424a01e93a912dea4d3186312bd5ef2d4367199cc3d4b9a

RemcosRAT

Executable exe ce4962d3126223b4bd68704159cbdc7479fb2df4263fb9f3d57492e770b74a94

(this sample)

  
Dropped by
MD5 dc1c5d80b4a25001e1b048e6154ac883
  
Dropped by
SHA256 98a8626cb22d7d599424a01e93a912dea4d3186312bd5ef2d4367199cc3d4b9a
  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/108563/

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