MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c427e24d1c15e6b3e50e91fba701c2dafdafbabd1bcb0c629f8dcb9b33af8bd6. 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: 17


Intelligence 17 IOCs YARA 22 File information Comments
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SHA256 hash: c427e24d1c15e6b3e50e91fba701c2dafdafbabd1bcb0c629f8dcb9b33af8bd6
SHA3-384 hash: 71306faae4859cf986a853685198550f16de22b5e9462d3ccce572f30446732f2f6e7cefda698b8bc59636f1dfd1884f
SHA1 hash: f6ff9dbee0b4646f4dba89b559d947103798d653
MD5 hash: bd0c1c78285d03697c1ea4c85ecc6d46
humanhash: bacon-enemy-venus-march
File name:NEW ORDER 70470870-PLASTICO-2024-REVISED.IMG.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'217'536 bytes
First seen:2024-02-08 09:32:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:VOt2atWOSiivauyEtZffUdaWSdGrrQxh84:9O9zulEeGfQxV
TLSH T11645C00676068D71F7A627B6C9B752001BA0D993639BD70B3689237B18737BADF5030B
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter cocaman
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
282
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
c427e24d1c15e6b3e50e91fba701c2dafdafbabd1bcb0c629f8dcb9b33af8bd6.exe
Verdict:
Malicious activity
Analysis date:
2024-02-08 09:34:23 UTC
Tags:
rat remcos remote keylogger stealer
Link:
https://app.any.run/tasks/9e6c25e2-01c3-4e91-8522-9ffc27c73dd4

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/475346/
Detection(s):
Win.Trojan.EmbeddedDotNetBinary-9940868-0
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Win.Trojan.EmbeddedReversedDLL-9940922-0
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Win.Trojan.Generic-10014419-0
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Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed remcos
Link:
https://www.filescan.io/uploads/65c49fd8bf0e860d2bdb90a3/reports/993f9018-6064-48a9-9fe2-5cbf91a09d64/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c427e24d1c15e6b3e50e91fba701c2dafdafbabd1bcb0c629f8dcb9b33af8bd6
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/f40438b0-a052-48f5-90ac-3f950685d9c7
Result
Threat name:
Remcos, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1388947
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Contains functionalty to change the wallpaper
Delayed program exit found
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
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 submitted file
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1388947 Sample: NEW ORDER 70470870-PLASTICO... Startdate: 08/02/2024 Architecture: WINDOWS Score: 100 46 paygateme.net 2->46 48 geoplugin.net 2->48 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 13 other signatures 2->60 8 NEW ORDER 70470870-PLASTICO-2024-REVISED.IMG.exe 1 3 2->8         started        12 Ydyyka.exe 3 2->12         started        14 Ydyyka.exe 2 2->14         started        signatures3 process4 file5 40 C:\Users\user\AppData\Roaming\Ydyyka.exe, PE32 8->40 dropped 62 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->62 16 NEW ORDER 70470870-PLASTICO-2024-REVISED.IMG.exe 3 16 8->16         started        21 WMIADAP.exe 18 10 8->21         started        23 NEW ORDER 70470870-PLASTICO-2024-REVISED.IMG.exe 8->23         started        64 Contains functionality to bypass UAC (CMSTPLUA) 12->64 66 Contains functionalty to change the wallpaper 12->66 68 Machine Learning detection for dropped file 12->68 70 4 other signatures 12->70 25 Ydyyka.exe 12->25         started        27 Ydyyka.exe 14->27         started        29 Ydyyka.exe 14->29         started        signatures6 process7 dnsIp8 42 paygateme.net 146.70.57.34, 2286, 49711, 49712 TENET-1ZA United Kingdom 16->42 44 geoplugin.net 178.237.33.50, 49714, 80 ATOM86-ASATOM86NL Netherlands 16->44 38 C:\ProgramData\remcos\logs.dat, data 16->38 dropped 50 Maps a DLL or memory area into another process 16->50 52 Installs a global keyboard hook 16->52 31 NEW ORDER 70470870-PLASTICO-2024-REVISED.IMG.exe 1 16->31         started        34 NEW ORDER 70470870-PLASTICO-2024-REVISED.IMG.exe 1 16->34         started        36 NEW ORDER 70470870-PLASTICO-2024-REVISED.IMG.exe 14 16->36         started        file9 signatures10 process11 signatures12 72 Tries to steal Instant Messenger accounts or passwords 31->72 74 Tries to steal Mail credentials (via file / registry access) 31->74 76 Tries to harvest and steal browser information (history, passwords, etc) 34->76
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c427e24d1c15e6b3e50e91fba701c2dafdafbabd1bcb0c629f8dcb9b33af8bd6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c427e24d1c15e6b3e50e91fba701c2dafdafbabd1bcb0c629f8dcb9b33af8bd6/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-02-08 09:31:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yqt6eti4cxtlhziosh52oaoc3l627ov5dpfqyyu7rxfzwm5prpla._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:remcos family:zgrat botnet:remotehost collection persistence rat spyware stealer
Link:
https://tria.ge/reports/240208-lh65rsbh7y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Detect ZGRat V1
Remcos
ZGRat
Malware Config
C2 Extraction:
paygateme.net:2286
Unpacked files
SH256 hash:
4a2cf6ab29f939e528e7fb11617ccf6ad393ba0ee5c05a204dd7a61f269b0f15
MD5 hash:
fad2a4b1e771bf543c9a83d1319707c4
SHA1 hash:
f9a09428e4bb6cb0cfd0ca8a12c8c2fd5970437d
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/480594aa-b06c-440d-a798-908f93a4a758/
Parent samples :
7d5fb292b4477237a05a35eb135a13c9f6d1177987217e94c3558b91fa97c285
c427e24d1c15e6b3e50e91fba701c2dafdafbabd1bcb0c629f8dcb9b33af8bd6
839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b
344301a6f73b73afd98c763519d52548b0ee3a76824d033712ddf3ec0115f549
SH256 hash:
015f06da4e790e4ddb80abaf26fd7cb82dfe52b7632271aad5a1648fd249dd41
MD5 hash:
20f391cdc871a02dbd18eeeb3a14d74c
SHA1 hash:
a64ee49f88f55a8d502d7bdc2af355d7d3ed5e3b
Link:
https://www.unpac.me/results/480594aa-b06c-440d-a798-908f93a4a758/
SH256 hash:
95597d5bf0ba4d95868cc503f945306ee669f63262f1e6ed8d70785b694afd11
MD5 hash:
f62ba032fa681d6de93ee7921b1f4f2c
SHA1 hash:
3d88eb5009990d63aaa102f1a3f3f82b2e4fa1d4
Link:
https://www.unpac.me/results/480594aa-b06c-440d-a798-908f93a4a758/
SH256 hash:
c377de914f6c6ee3c7913f62131134b3d3db7ddcad3a7c041c22277f7dac8e04
MD5 hash:
46ac7fce2b7d627eb495e4bd169bdd86
SHA1 hash:
2ff54d1b996f5fb3d2d38b2d4d331e3cd8038a94
Link:
https://www.unpac.me/results/480594aa-b06c-440d-a798-908f93a4a758/
SH256 hash:
c427e24d1c15e6b3e50e91fba701c2dafdafbabd1bcb0c629f8dcb9b33af8bd6
MD5 hash:
bd0c1c78285d03697c1ea4c85ecc6d46
SHA1 hash:
f6ff9dbee0b4646f4dba89b559d947103798d653
Detections:
Typical_Malware_String_Transforms
Create hunting rule
Link:
https://www.unpac.me/results/480594aa-b06c-440d-a798-908f93a4a758/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c427e24d1c15/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/c427e24d1c15e6b3e50e91fba701c2dafdafbabd1bcb0c629f8dcb9b33af8bd6

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
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:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
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.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Malspam

RemcosRAT

r00 cbcc0e31702068d4b0641abc4c7785067e8565a2d97b273cbb42b932cfb2a545

RemcosRAT

Executable exe c427e24d1c15e6b3e50e91fba701c2dafdafbabd1bcb0c629f8dcb9b33af8bd6

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 cbcc0e31702068d4b0641abc4c7785067e8565a2d97b273cbb42b932cfb2a545
Cape
Cape
https://www.capesandbox.com/analysis/475346/
  
Dropped by
MD5 ff3c7f6527291fdd54feb12b6552924a

Comments