MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4660f046efd070aa71962df9b4f89f9ae34a8f49cfb9ebd514690d0efc4fd1ca. 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: 16


Intelligence 16 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4660f046efd070aa71962df9b4f89f9ae34a8f49cfb9ebd514690d0efc4fd1ca
SHA3-384 hash: 07e7076066a2d77b0022e28f3d07c932cbe70ef2cced6f21a6243dc303ab5ab185ac671d8dce53977f1fdc7795e5adb0
SHA1 hash: 00e54606f35a1e4ae40c0507b87b588018098e09
MD5 hash: cdb913e2799fbc69725dfd5f8449d1c7
humanhash: lake-lion-coffee-summer
File name:Swift copy.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:590'848 bytes
First seen:2022-12-28 20:08:38 UTC
Last seen:2022-12-28 21:37:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:3p6DNj5Z1JCFtOiL9d11qG7mmQh6s16qd06qblCi/:3pwx5Z1gTjD1PAhT1Rm6ulN
Threatray 3'247 similar samples on MalwareBazaar
TLSH T142C402CE9B8C6CABC50D783FEE61FB2ABDA59221FDCAA7F644D851C9215C066F1D1001
TrID 28.5% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 30b2c4c8c8c4b030 (53 x Formbook, 41 x RemcosRAT, 20 x AgentTesla)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Swift copy.exe
Verdict:
Malicious activity
Analysis date:
2022-12-28 20:10:46 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/b5a2f62d-0486-4091-9265-949a40536d19

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Win.Packed.ConfuserEx-6391397-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63aca2610e926711fd75500a/reports/5d3bcfb2-1367-4ca8-a361-2bd3ed398074/overview
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8b4b3363-e388-4317-88b9-2827373e7e79
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1142248
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files to the startup folder
Injects a PE file into a foreign processes
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
PE file contains section with special chars
PE file has nameless sections
Powershell drops PE file
Sigma detected: Copy file to startup via Powershell
Sigma detected: Remcos
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 774978 Sample: Swift copy.exe Startdate: 28/12/2022 Architecture: WINDOWS Score: 100 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 Antivirus detection for dropped file 2->48 50 13 other signatures 2->50 7 Swift copy.exe 1 2->7         started        11 Systensnsnm.exe 1 2->11         started        process3 file4 32 C:\Users\user\AppData\...\Swift copy.exe.log, ASCII 7->32 dropped 52 Writes to foreign memory regions 7->52 54 Allocates memory in foreign processes 7->54 56 Injects a PE file into a foreign processes 7->56 13 powershell.exe 13 7->13         started        17 RegSvcs.exe 2 16 7->17         started        20 RegSvcs.exe 7->20         started        22 powershell.exe 3 11->22         started        24 RegSvcs.exe 11->24         started        26 RegSvcs.exe 11->26         started        signatures5 process6 dnsIp7 34 C:\Users\user\AppData\...\Systensnsnm.exe, PE32 13->34 dropped 36 C:\Users\...\Systensnsnm.exe:Zone.Identifier, ASCII 13->36 dropped 58 Drops PE files to the startup folder 13->58 60 Powershell drops PE file 13->60 28 conhost.exe 13->28         started        40 ucremcz1.ddns.net 193.47.61.33, 1823, 49698 TH-AS-APTianhaiInfoTechCN Germany 17->40 42 geoplugin.net 178.237.33.50, 49699, 80 ATOM86-ASATOM86NL Netherlands 17->42 38 C:\Users\user\AppData\Roaming\...\logs.dat, data 17->38 dropped 62 Installs a global keyboard hook 17->62 30 conhost.exe 22->30         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4660f046efd070aa71962df9b4f89f9ae34a8f49cfb9ebd514690d0efc4fd1ca/
Threat name:
Win32.Exploit.BypassUac
Create hunting rule
Status:
Malicious
First seen:
2022-12-28 04:26:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=izqparxp2byku4mwfx43j6e7tlruvd2jz646xviunegq57cp2hfa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
31edb5c9a0590d100f941cfcb0c142abf141fba4a90c6bddb6c7fc59b4475f28
RemcosRAT
4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f
RemcosRAT
5251517c9a5cc925e00988f3d9aa30706271cfd0bd6d33d3794e03a92b13b946
RemcosRAT
592f15fec50eda79baadcb6bc5c4cb79de60e5bb285f20fb8e8927477495f065
RemcosRAT
7fe73c463ac777aa61709aa357a27b09d8faae7833219399c3a92c6f692c11f4
RemcosRAT
9432004daa7e7748848e802b7a769efe47f147d54fcad12471d03d261c3bc5c0
RemcosRAT
a0a124777df35d015c84f61af9a8e4d0dba82120a30fa031b73b885a13d88214
RemcosRAT
ad87f3ad6fb14d2b79d7b7aac1b38bc04fd20757460da0f02cac139408df9969
RemcosRAT
e1eb708f47303b831f6eb0ddc846e21782e8f727dcb0088fcb997c3bf0d4dbd3
RemcosRAT
e68ebc948356b0560fee06f52939504005fd848a93ccc41b4840c1db318a5409
RemcosRAT
+ 3'237 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:uc rat
Link:
https://tria.ge/reports/221228-yw4ysaee6y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Remcos
Malware Config
C2 Extraction:
ucremcz1.ddns.net:1823
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/36884240-9157-46bc-98f1-bec9a307a34a
Unpacked files
SH256 hash:
fd56a07f2da75c84337cbf94e0acafc09fb909cfb187a0ae214827ce2c4708bb
MD5 hash:
d93c5f59ddc41313bf36f106a2f1fe17
SHA1 hash:
97c5cd9d0689c1cd74685bc979122a13eba3fcc9
Link:
https://www.unpac.me/results/1e3a81f6-c21e-4c40-aaa4-2761f14104a9/
SH256 hash:
c2296809155417083c5c50349b1c817a942c72a3411251fbcd6900558be81ed1
MD5 hash:
2dbb39ff68e2110693f6fa79a766c3be
SHA1 hash:
6eccdf701150d004c49aff4070f0f34c16ae1a0b
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/1e3a81f6-c21e-4c40-aaa4-2761f14104a9/
Parent samples :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 hash:
4660f046efd070aa71962df9b4f89f9ae34a8f49cfb9ebd514690d0efc4fd1ca
MD5 hash:
cdb913e2799fbc69725dfd5f8449d1c7
SHA1 hash:
00e54606f35a1e4ae40c0507b87b588018098e09
Link:
https://www.unpac.me/results/1e3a81f6-c21e-4c40-aaa4-2761f14104a9/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4660f046efd0/report/overview.html
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/4660f046efd070aa71962df9b4f89f9ae34a8f49cfb9ebd514690d0efc4fd1ca

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:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

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

Malspam

RemcosRAT

Executable exe 4660f046efd070aa71962df9b4f89f9ae34a8f49cfb9ebd514690d0efc4fd1ca

(this sample)

  
Delivery method
Distributed via e-mail attachment

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