MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c5f8cf6008b32d8845093b44852f6fbd1c2be8ec1ae5fa4e01e8d81d7e42929. 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 4 File information Comments

SHA256 hash: 2c5f8cf6008b32d8845093b44852f6fbd1c2be8ec1ae5fa4e01e8d81d7e42929
SHA3-384 hash: 7be99770d184f8132920e075ae96cd69da11d999139f4b92b5320942aa12720ac3cd165a81d39afe78fa8f946a9306b2
SHA1 hash: da9bb406349a616c982b7e6ef65b20f90fddd5db
MD5 hash: c52789ea25c1a6e2a7ac2e853eec2771
humanhash: item-two-quiet-september
File name:SKM_C364e24092511300346565787689900142344656767788755634232343456768953334466870.scr
Download: download sample
Signature RemcosRAT
File size:1'083'904 bytes
First seen:2024-10-09 08:34:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:flPGn+c9d9rwc12re8lNU2Tk68QbdmvZP1P+R+UJHrE:flun+c9KFU2/8iI1P+R+A4
TLSH T13735E0147654CF53CA7487F83972F07123F95EAEA02EE2655DC16EEB79A2F008950E83
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
421
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
SKM_C364e24092511300346565787689900142344656767788755634232343456768953334466870.scr
Verdict:
Malicious activity
Analysis date:
2024-10-09 08:38:54 UTC
Tags:
rat remcos remote evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Remcos Msil
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed remcos
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:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
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
Creates autostart registry keys with suspicious names
Delayed program exit found
Drops executable to a common third party application directory
Found malware configuration
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1529722 Sample: SKM_C364e240925113003465657... Startdate: 09/10/2024 Architecture: WINDOWS Score: 100 45 geoplugin.net 2->45 47 Multi AV Scanner detection for domain / URL 2->47 49 Suricata IDS alerts for network traffic 2->49 51 Found malware configuration 2->51 53 9 other signatures 2->53 9 SKM_C364e24092511300346565787689900142344656767788755634232343456768953334466870.scr.exe 3 2->9         started        13 Adobe.exe 2 2->13         started        15 Adobe.exe 2 2->15         started        17 Adobe.exe 2 2->17         started        signatures3 process4 file5 39 SKM_C364e240925113...4466870.scr.exe.log, ASCII 9->39 dropped 59 Contains functionality to bypass UAC (CMSTPLUA) 9->59 61 Contains functionalty to change the wallpaper 9->61 63 Contains functionality to steal Chrome passwords or cookies 9->63 67 3 other signatures 9->67 19 SKM_C364e24092511300346565787689900142344656767788755634232343456768953334466870.scr.exe 2 4 9->19         started        65 Injects a PE file into a foreign processes 13->65 23 Adobe.exe 13->23         started        25 Adobe.exe 15->25         started        27 Adobe.exe 17->27         started        signatures6 process7 file8 35 C:\ProgramData\Adobe\Adobe.exe, PE32 19->35 dropped 37 C:\ProgramData\...\Adobe.exe:Zone.Identifier, ASCII 19->37 dropped 55 Creates autostart registry keys with suspicious names 19->55 57 Drops executable to a common third party application directory 19->57 29 Adobe.exe 3 19->29         started        signatures9 process10 signatures11 69 Multi AV Scanner detection for dropped file 29->69 71 Machine Learning detection for dropped file 29->71 32 Adobe.exe 3 14 29->32         started        process12 dnsIp13 41 104.250.180.178, 49733, 7902 M247GB United States 32->41 43 geoplugin.net 178.237.33.50, 49736, 80 ATOM86-ASATOM86NL Netherlands 32->43
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2024-10-09 07:22:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
remcos unknown_loader_037
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
104.250.180.178:7902
Verdict:
Malicious
Tags:
remcos
YARA:
n/a
Unpacked files
SH256 hash:
afea96b1708dd0909e9cb36e7b31096dd4740b1a5d03242ba4a8d48d2d39dd3e
MD5 hash:
146a76b46ca277479f7596cce44e789e
SHA1 hash:
6db9494d75de1fcc40bb97c69231e8a7c6f1210b
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
5f54f1bec9ba28b84b92478b3db46235c07fa7b4fb106111dd68e4af94afcea3
MD5 hash:
e3f85d3db1a13a521b6dd6477298f9c5
SHA1 hash:
3f40142ffa5a2093a864446af3b80e0fb03f3bfd
Detections:
Remcos win_remcos_auto win_remcos_w0 malware_windows_remcos_rat INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM win_remcos_rat_unpacked
SH256 hash:
682c261fcd08c676ef231f46eac1c054c8df17522846b9e4adbafb62e8482dab
MD5 hash:
5a6cead6de3340dd9e0b16d599e5d1f5
SHA1 hash:
00e25f93284ff0d2493c6df3a596891d0848399e
SH256 hash:
2c5f8cf6008b32d8845093b44852f6fbd1c2be8ec1ae5fa4e01e8d81d7e42929
MD5 hash:
c52789ea25c1a6e2a7ac2e853eec2771
SHA1 hash:
da9bb406349a616c982b7e6ef65b20f90fddd5db
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

RemcosRAT

Executable exe 2c5f8cf6008b32d8845093b44852f6fbd1c2be8ec1ae5fa4e01e8d81d7e42929

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments