MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78a5958d02189160abf7e588dada6295e444b6522a45b8f556878ff56058edbc. 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 20 File information Comments

SHA256 hash: 78a5958d02189160abf7e588dada6295e444b6522a45b8f556878ff56058edbc
SHA3-384 hash: d7f5598560a6fe3a71a0e8e8a1bb91ff9b6988267c0d5fe0621a45796f285a33bd805635fb9311ed06ee4e43acc5e0db
SHA1 hash: 124e9b717dda2e3b3c6a1dd8b8f33bff6d5dfec7
MD5 hash: 19e5c3488719f2d7f9132ff2a283c9f5
humanhash: cup-single-iowa-seven
File name:SO#8760 - DRAFT BL DELAY NOTICE 崇新 - LOS ANGELES, CA-70W-TRHU7247720-20'GP-YM UBIQUITY V.068E.scr
Download: download sample
Signature RemcosRAT
File size:999'424 bytes
First seen:2025-02-26 04:07:33 UTC
Last seen:2025-02-26 04:21:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:H3JF+uf4MztKzs14Ac+Mt5+rXIILOtQQ:HxdtKz7ZzlILO+Q
Threatray 4'689 similar samples on MalwareBazaar
TLSH T1A42512A8362DE803E59483F54AA2F1BA037D5D9D6951E2D35FDABDDBBCE1F100900683
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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
dhash icon d4cc86d4f29ec4d4 (9 x Formbook, 4 x MassLogger, 3 x Loki)
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
3
# of downloads :
525
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
0135008f-8841-4e94-9f4f-f96ff7b54c67
Verdict:
Malicious activity
Analysis date:
2025-02-26 04:09:01 UTC
Tags:
rat remcos remote stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
virus lien msil sage
Result
Verdict:
Clean
Maliciousness:
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.
Result
Threat name:
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
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)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1624271 Sample: 068E.scr.exe Startdate: 26/02/2025 Architecture: WINDOWS Score: 100 56 geoplugin.net 2->56 62 Suricata IDS alerts for network traffic 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 8 other signatures 2->68 10 068E.scr.exe 3 2->10         started        14 Adobe.exe 2 2->14         started        16 Adobe.exe 2 2->16         started        18 Adobe.exe 2->18         started        signatures3 process4 file5 54 C:\Users\user\AppData\...\068E.scr.exe.log, ASCII 10->54 dropped 78 Contains functionality to bypass UAC (CMSTPLUA) 10->78 80 Contains functionalty to change the wallpaper 10->80 82 Contains functionality to steal Chrome passwords or cookies 10->82 86 2 other signatures 10->86 20 068E.scr.exe 2 4 10->20         started        84 Injects a PE file into a foreign processes 14->84 24 Adobe.exe 14->24         started        26 Adobe.exe 16->26         started        28 Adobe.exe 16->28         started        30 Adobe.exe 16->30         started        32 Adobe.exe 18->32         started        34 Adobe.exe 18->34         started        signatures6 process7 file8 50 C:\ProgramData\Adobe-Reader\Adobe.exe, PE32 20->50 dropped 52 C:\ProgramData\...\Adobe.exe:Zone.Identifier, ASCII 20->52 dropped 72 Creates autostart registry keys with suspicious names 20->72 36 Adobe.exe 3 20->36         started        signatures9 process10 signatures11 70 Multi AV Scanner detection for dropped file 36->70 39 Adobe.exe 4 14 36->39         started        process12 dnsIp13 58 104.250.180.178, 49708, 49709, 7902 M247GB United States 39->58 60 geoplugin.net 178.237.33.50, 49710, 80 ATOM86-ASATOM86NL Netherlands 39->60 74 Writes to foreign memory regions 39->74 76 Maps a DLL or memory area into another process 39->76 43 recover.exe 2 39->43         started        46 recover.exe 1 39->46         started        48 recover.exe 1 39->48         started        signatures14 process15 signatures16 88 Tries to steal Mail credentials (via file registry) 43->88 90 Tries to harvest and steal browser information (history, passwords, etc) 43->90 92 Tries to steal Instant Messenger accounts or passwords 46->92 94 Tries to steal Mail credentials (via file / registry access) 48->94
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2025-02-26 04:08:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Unpacked files
SH256 hash:
78a5958d02189160abf7e588dada6295e444b6522a45b8f556878ff56058edbc
MD5 hash:
19e5c3488719f2d7f9132ff2a283c9f5
SHA1 hash:
124e9b717dda2e3b3c6a1dd8b8f33bff6d5dfec7
SH256 hash:
f72fcb4dd3e6a834a22f0c7a53a3147fececc48bda42f8794a036f8e7d5dab48
MD5 hash:
2dcea7104c44100518e9a48b5e393e39
SHA1 hash:
1fa6593a60afe0d458a8083b4473f196b1c67ae8
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
05a6d5f4726b3729f5958424a01d9a2033857c4381baee62a004a1241fb70cd1
MD5 hash:
eaf07392f2fad2e065b9e7f2399e5b72
SHA1 hash:
7a969669c8e2e0485d2840a3c89d98179ec4f9e5
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:pe_imphash
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Remcos_unpacked_PulseIntel
Author:PulseIntel
Description:Remcos Payload
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
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

Executable exe 78a5958d02189160abf7e588dada6295e444b6522a45b8f556878ff56058edbc

(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 (GUARD_CF)high

Comments