MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 68c7c81b15818419222a9c58550c72c78d30856ccde7a6fe4fc1a096fcd6f064. 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: 68c7c81b15818419222a9c58550c72c78d30856ccde7a6fe4fc1a096fcd6f064
SHA3-384 hash: 527c28c17c02496b91ca061a1146de13ad5d539ef9576d0e0a99db760467df9fa72544d53e4c86bc1a35a53f2816ac4f
SHA1 hash: 2f4e86f8d917df2d2c702bbea0e5657cb4621b00
MD5 hash: bba3903c87f39e9e679653e2fbaa0999
humanhash: lake-cardinal-chicken-apart
File name:ce8fe9f746c521ecc687fb0482c663fc.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'048'064 bytes
First seen:2021-02-16 15:51:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:ZcDd3aWy0W9ZfbntVcOAlXTl+DELC1+ohQK3y2WI1T1:k5afbnHcOABADF7hL379
Threatray 60 similar samples on MalwareBazaar
TLSH B725021076755F56C33C8F794A234010CBB27A7A9669E3CB5ECD39EE01BEB885212B07
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/117374/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.42845.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Deleting a recently created file
Running batch commands
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Verdict:
SUSPICIOUS
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/609165
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
Delayed program exit found
Detected Remcos RAT
Detected unpacking (creates a PE file in dynamic memory)
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)
Sigma detected: Remcos
Sigma detected: Suspicious Svchost Process
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 353607 Sample: ce8fe9f746c521ecc687fb0482c... Startdate: 16/02/2021 Architecture: WINDOWS Score: 100 63 fjgjkhltyjj.duckdns.org 2->63 65 berryttttiere.duckdns.org 2->65 67 asddskfjjer.duckdns.org 2->67 81 Malicious sample detected (through community Yara rule) 2->81 83 Detected Remcos RAT 2->83 85 Yara detected Remcos RAT 2->85 87 4 other signatures 2->87 14 ce8fe9f746c521ecc687fb0482c663fc.exe 3 2->14         started        18 remcos.exe 2 2->18         started        20 remcos.exe 2 2->20         started        signatures3 process4 file5 61 ce8fe9f746c521ecc687fb0482c663fc.exe.log, ASCII 14->61 dropped 99 Contains functionality to steal Chrome passwords or cookies 14->99 101 Contains functionality to capture and log keystrokes 14->101 103 Contains functionality to inject code into remote processes 14->103 107 2 other signatures 14->107 22 ce8fe9f746c521ecc687fb0482c663fc.exe 4 5 14->22         started        25 ce8fe9f746c521ecc687fb0482c663fc.exe 14->25         started        105 Injects a PE file into a foreign processes 18->105 27 remcos.exe 18->27         started        29 remcos.exe 18->29         started        31 remcos.exe 20->31         started        signatures6 process7 file8 57 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 22->57 dropped 59 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 22->59 dropped 33 wscript.exe 1 22->33         started        process9 process10 35 cmd.exe 1 33->35         started        process11 37 remcos.exe 3 35->37         started        40 conhost.exe 35->40         started        signatures12 89 Detected unpacking (creates a PE file in dynamic memory) 37->89 91 Machine Learning detection for dropped file 37->91 42 remcos.exe 3 37->42         started        46 remcos.exe 37->46         started        process13 dnsIp14 75 berryttttiere.duckdns.org 58.8.155.108, 6553 TRUE-AS-APTrueInternetCoLtdTH Thailand 42->75 77 fjgjkhltyjj.duckdns.org 42->77 79 asddskfjjer.duckdns.org 42->79 93 Writes to foreign memory regions 42->93 95 Allocates memory in foreign processes 42->95 97 Injects a PE file into a foreign processes 42->97 48 svchost.exe 42->48         started        signatures15 process16 process17 50 iexplore.exe 48->50         started        process18 52 iexplore.exe 50->52         started        55 iexplore.exe 50->55         started        dnsIp19 69 github.com 140.82.121.3, 443, 49728, 49729 GITHUBUS United States 52->69 71 avatars.githubusercontent.com 185.199.108.133, 443, 49734, 49735 FASTLYUS Netherlands 52->71 73 consentdeliveryfd.azurefd.net 52->73
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/68c7c81b15818419222a9c58550c72c78d30856ccde7a6fe4fc1a096fcd6f064/
Threat name:
ByteCode-MSIL.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-02-16 15:52:07 UTC
AV detection:
13 of 29 (44.83%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ndd4qgyvqgcbsirktrmfkddsy6gtbblmzxt2n7spygqjn7gw6bsa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
08c85e93e63fba43e25a3e7bf4e3d9b47783a8acf74a75be9eceffdc68d46cf4
RemcosRAT
0aae2bace47fd4233b42b2ee714d5f46a05fc2970928131c28573d9fbd876552
RemcosRAT
2a914a931b749d964e9087d25ec502a25c22118c24e0239e7b9a73af3d4a6779
RemcosRAT
33b25ae8a09b3249f6f5a9971d563933e88d20dca6f2b761c308783e164de492
RemcosRAT
6cf485e9d0c0f8ffbe0c4d8776adfd121f4de33fd73262d642739cc3491cac13
RemcosRAT
719bb30fb8ff3d79fd0216bdbc9f9d1b377c1456a20c8d9a26f1a19e283352ba
RemcosRAT
80893e190d49fdc68aec0754db2ffe46c60dccecff6d6d42591858ddba315fa6
RemcosRAT
848aee75718b5e635f13a64dcb64dd0c0d4d44228952d2941a9c4c1c14fd7ea1
RemcosRAT
8d087e56deb745a40c704cd0a508f9f07b697b3ff44ae660ee581f7f42e4e160
RemcosRAT
b4ac6ef619dad164d5807395559ed299ce39cd5ec375aa86229d6617973a81fe
RemcosRAT
+ 50 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210216-3ex5afsd8s/
Behaviour
Modifies registry class
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
Executes dropped EXE
Remcos
Unpacked files
SH256 hash:
654c926d431710792afcea86e5c0ae082be9f997f4bb6bec0b587eb17b222198
MD5 hash:
3dbe819067db811f28c835bf573644d3
SHA1 hash:
f836f5e8475a6a72f5bf16c4d73fc9f703ea16cc
Link:
https://www.unpac.me/results/f3e5cc40-69a9-4061-b58d-481135b0c39d/
SH256 hash:
5c2b427da71b39731e4995bd458bc6e763457ce2649a33a2b6ea8ae38f56f50e
MD5 hash:
685caa59a4d030cd34b9845babc5f925
SHA1 hash:
e18b0790e1acb0f95068a6170892f0591af1917d
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/f3e5cc40-69a9-4061-b58d-481135b0c39d/
Parent samples :
8d087e56deb745a40c704cd0a508f9f07b697b3ff44ae660ee581f7f42e4e160
68c7c81b15818419222a9c58550c72c78d30856ccde7a6fe4fc1a096fcd6f064
SH256 hash:
2ec41720b412f91f91daaefea38007449491b2c016238aa8f23b6866c89bc788
MD5 hash:
987ce346069cf47535e5ac57265c7228
SHA1 hash:
d0085325ed78fcac6d1f605753237abd1c40db22
Link:
https://www.unpac.me/results/f3e5cc40-69a9-4061-b58d-481135b0c39d/
SH256 hash:
68c7c81b15818419222a9c58550c72c78d30856ccde7a6fe4fc1a096fcd6f064
MD5 hash:
bba3903c87f39e9e679653e2fbaa0999
SHA1 hash:
2f4e86f8d917df2d2c702bbea0e5657cb4621b00
Link:
https://www.unpac.me/results/f3e5cc40-69a9-4061-b58d-481135b0c39d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/68c7c81b15818419222a9c58550c72c78d30856ccde7a6fe4fc1a096fcd6f064

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_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Executable exe 68c7c81b15818419222a9c58550c72c78d30856ccde7a6fe4fc1a096fcd6f064

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/117374/

Comments