MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49e8a1f12fb5202470604efe01c0d60949d20d302a76aed85b2a049e91266366. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 49e8a1f12fb5202470604efe01c0d60949d20d302a76aed85b2a049e91266366
SHA3-384 hash: 2da1573c70f599147fa48acfb54fea8a3c02d86ef6149e7caf9a46995175ace471b1136f783bad52433bd7553a473c5c
SHA1 hash: a47579ea0e5d47ceb89cbb3450f4c482768a0bf8
MD5 hash: 876f47f33c5975497c15bf24d50952b5
humanhash: kansas-sad-mirror-happy
File name:z49FACTURA-0987678.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:875'008 bytes
First seen:2024-12-03 13:30:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep 24576:Zrl6kD68JmlotQf0hwmcZIR5MRsJOjOZW89S+7Ed7b:1l328U2yf0CmOeMRsnZW8o/h
TLSH T1751523B4ADD5EC26E25C67B881398C8415E678339EC8771EC624F25FFC58303C84AA5E
TrID 31.3% (.EXE) UPX compressed Win32 Executable (27066/9/6)
30.7% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
12.1% (.EXE) Win64 Executable (generic) (10522/11/4)
7.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter FXOLabs
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
408
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
z49FACTURA-0987678.exe
Verdict:
Malicious activity
Analysis date:
2024-12-03 13:40:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2a47252a-86b0-4fb5-ad86-590ebf24b0e1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.AutoIt.1541.4056.2314.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674f09a112e85e185e75511c
Tags:
autorun autoit remcos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug autoit compiled-script evasive explorer fingerprint hacktool lolbin masquerade microsoft_visual_cc mmc monero overlay packed packed packed packer_detected remcos upx
Link:
https://www.filescan.io/uploads/674f081c44b67042f0d30612/reports/d7dec8ed-ec1a-41ae-8c47-a21195de6950/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/49e8a1f12fb5202470604efe01c0d60949d20d302a76aed85b2a049e91266366
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/3df5b4d6-2121-4630-903b-57adf29071ee
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1567452
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Drops VBS files to the startup folder
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
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: 1567452 Sample: z49FACTURA-0987678.exe Startdate: 03/12/2024 Architecture: WINDOWS Score: 100 47 geoplugin.net 2->47 61 Suricata IDS alerts for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 11 other signatures 2->67 10 z49FACTURA-0987678.exe 4 2->10         started        14 wscript.exe 1 2->14         started        signatures3 process4 file5 45 C:\Users\user\AppData\Local\...\turbinals.exe, PE32 10->45 dropped 83 Binary is likely a compiled AutoIt script file 10->83 85 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->85 16 turbinals.exe 2 10->16         started        87 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->87 20 turbinals.exe 1 14->20         started        signatures6 process7 file8 41 C:\Users\user\AppData\...\turbinals.vbs, data 16->41 dropped 53 Multi AV Scanner detection for dropped file 16->53 55 Binary is likely a compiled AutoIt script file 16->55 57 Machine Learning detection for dropped file 16->57 59 2 other signatures 16->59 22 turbinals.exe 3 17 16->22         started        27 turbinals.exe 1 20->27         started        signatures9 process10 dnsIp11 49 192.210.150.26, 49703, 49704, 8787 AS-COLOCROSSINGUS United States 22->49 51 geoplugin.net 178.237.33.50, 49710, 80 ATOM86-ASATOM86NL Netherlands 22->51 43 C:\ProgramData\remcos\logs.dat, data 22->43 dropped 75 Detected Remcos RAT 22->75 77 Binary is likely a compiled AutoIt script file 22->77 79 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 22->79 81 Maps a DLL or memory area into another process 22->81 29 turbinals.exe 1 22->29         started        32 turbinals.exe 1 22->32         started        34 turbinals.exe 2 22->34         started        36 turbinals.exe 1 27->36         started        file12 signatures13 process14 signatures15 89 Tries to steal Instant Messenger accounts or passwords 29->89 91 Tries to harvest and steal browser information (history, passwords, etc) 29->91 93 Tries to steal Mail credentials (via file / registry access) 32->93 95 Binary is likely a compiled AutoIt script file 36->95 97 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 36->97 38 turbinals.exe 1 36->38         started        process16 signatures17 69 Detected Remcos RAT 38->69 71 Binary is likely a compiled AutoIt script file 38->71 73 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 38->73
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/49e8a1f12fb5202470604efe01c0d60949d20d302a76aed85b2a049e91266366
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/49e8a1f12fb5202470604efe01c0d60949d20d302a76aed85b2a049e91266366/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-12-03 12:49:49 UTC
File Type:
PE (Exe)
Extracted files:
51
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jhukd4jpwuqci4daj37adqgwbfe5edjqfj3k5wc3ficj5ejgmnta._file
Verdict:
malicious
Label(s):
remcos
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unknown_loader_036
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery rat spyware stealer upx
Link:
https://tria.ge/reports/241203-qrwgvasqej/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Accesses Microsoft Outlook accounts
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
192.210.150.26:8787
Verdict:
Malicious
Tags:
trojan Remcos
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/f942b881-2df4-4c2b-a009-c4e8a803bba4
Unpacked files
SH256 hash:
53bbea12c3abf4fd0637200c5176d9e21fc90724278e9bd36983f075fb9a070a
MD5 hash:
2e7881df76dc83107f79f24264c24ed4
SHA1 hash:
0aa6986630fa77b6ae6f083e2717f59a14aeeae9
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/c4ed7623-f465-4193-b2fe-6778491d3dd5/
SH256 hash:
665cecbb82e0047fbfce4f8f09bea69415715f87be95b6721ba09ad10b531fea
MD5 hash:
e524310a02dfe470f2f9ad81fa30fd57
SHA1 hash:
5442b037e5aa5c965bdefcf9f0d5381d72013c44
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
Link:
https://www.unpac.me/results/c4ed7623-f465-4193-b2fe-6778491d3dd5/
Parent samples :
4c5bea1fa5f8547de2a03c6117e10a023d76edc17df923c5f8031bfa74e12e87
49e8a1f12fb5202470604efe01c0d60949d20d302a76aed85b2a049e91266366
e51f50b3f520e3de0f0916e0291ad093aa0c50f6c81010001ce5aa2aee88f7b0
28331e2705bf58bd76a9f8ba0f0a431b762eaf6e4284dbf12f1453dd3fecf281
8c5312bbccde4babcfbcb4d079b6063cf023777affca10a479891833925d4118
4108277feb47e70ea76dea706b8a8e7ed1dc94575c1ed200e78073b4d97185a2
9c1047801b38650382f68beedae4bcbd47bba142abad7405cac530f4e09f47ee
199ab84d301b4914a7eb23a40a575e2622928e58d3672da79e43c77e453c4a3d
SH256 hash:
49e8a1f12fb5202470604efe01c0d60949d20d302a76aed85b2a049e91266366
MD5 hash:
876f47f33c5975497c15bf24d50952b5
SHA1 hash:
a47579ea0e5d47ceb89cbb3450f4c482768a0bf8
Link:
https://www.unpac.me/results/c4ed7623-f465-4193-b2fe-6778491d3dd5/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/49e8a1f12fb5/report/overview.html
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:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:upx_largefile
Create hunting rule
Author:k3nr9

File information

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

Malspam

RemcosRAT

Executable exe 49e8a1f12fb5202470604efe01c0d60949d20d302a76aed85b2a049e91266366

(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
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetAce
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetUseConnectionW

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