MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 034b31656266ad9f80490a4fc983ac53bb3224ac88084069080ee2ba0a91fc20. 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: 18


Intelligence 18 IOCs YARA 6 File information Comments
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SHA256 hash: 034b31656266ad9f80490a4fc983ac53bb3224ac88084069080ee2ba0a91fc20
SHA3-384 hash: dab903905618f3b2eac1bb2cff881f85d44a3068386139e2c4a3e581afc014a91343798873f217ad186174af96416cd6
SHA1 hash: 895fdb3318b041506c9957b426e5ffe797a57c7f
MD5 hash: 10e19f80d967ab7d4a8ed10f674df5c5
humanhash: colorado-echo-oscar-bluebird
File name:10e19f80d967ab7d4a8ed10f674df5c5.exe
Download: download sample
Signature RemcosRAT
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File size:506'880 bytes
First seen:2024-11-06 06:42:33 UTC
Last seen:2024-11-06 08:36:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 78a88d0d1513199add7eadb9781f8ed9 (2 x Stealc, 1 x RemcosRAT)
ssdeep 6144:AKeM0W0Fw5E+NASQHCqfbFqJYGah3GWlx36GvoL8Lsu/hRj00Ln4HHZa52:3eM9Z0pMval9x/v+8LsuZ0Za
TLSH T19FB4F061F6F25421F7F38A349874AA845AFBB8637970808E256C325F1E323D24E76717
TrID 37.3% (.EXE) Win64 Executable (generic) (10522/11/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon 606018181828416c (1 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
426
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
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ID:
1
File name:
10e19f80d967ab7d4a8ed10f674df5c5.exe
Verdict:
Malicious activity
Analysis date:
2024-11-06 06:48:24 UTC
Tags:
remcos rat
Link:
https://app.any.run/tasks/644707bd-aa59-4879-b59f-20e66d30ccbc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.MulDrop9.52626.7871.3841.UNOFFICIAL
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Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672b13048d23d90491341ba1
Tags:
remcos cobalt
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed packed packer_detected remcos
Link:
https://www.filescan.io/uploads/672b0ff92a9506a8240b4a84/reports/c807228a-19d4-4c53-97e6-679f5bd3a006/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/034b31656266ad9f80490a4fc983ac53bb3224ac88084069080ee2ba0a91fc20
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/be48180e-120e-4bcd-accd-0d0fdd2c966a
Result
Threat name:
Remcos
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Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1549861
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted 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
Detected Remcos RAT
Detected unpacking (changes PE section rights)
Found malware configuration
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
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1549861 Sample: NujUXO42Rg.exe Startdate: 06/11/2024 Architecture: WINDOWS Score: 100 58 Suricata IDS alerts for network traffic 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 8 other signatures 2->64 7 NujUXO42Rg.exe 1 4 2->7         started        11 yavascript.exe 2->11         started        14 yavascript.exe 2->14         started        process3 dnsIp4 50 C:\Users\user\AppData\...\yavascript.exe, PE32 7->50 dropped 52 C:\Users\...\yavascript.exe:Zone.Identifier, ASCII 7->52 dropped 66 Contains functionality to bypass UAC (CMSTPLUA) 7->66 68 Detected unpacking (changes PE section rights) 7->68 70 Detected Remcos RAT 7->70 78 4 other signatures 7->78 16 yavascript.exe 7->16         started        19 WerFault.exe 16 7->19         started        22 WerFault.exe 16 7->22         started        32 6 other processes 7->32 54 198.23.227.212, 32583, 49735, 49742 AS-COLOCROSSINGUS United States 11->54 72 Multi AV Scanner detection for dropped file 11->72 74 Contains functionalty to change the wallpaper 11->74 76 Contains functionality to steal Chrome passwords or cookies 11->76 24 WerFault.exe 11->24         started        26 WerFault.exe 11->26         started        28 WerFault.exe 11->28         started        34 3 other processes 11->34 30 WerFault.exe 14->30         started        file5 signatures6 process7 file8 56 Detected Remcos RAT 16->56 36 WerFault.exe 16->36         started        38 C:\ProgramData\Microsoft\...\Report.wer, Unicode 19->38 dropped 40 C:\ProgramData\Microsoft\...\Report.wer, Unicode 22->40 dropped 42 C:\ProgramData\Microsoft\...\Report.wer, Unicode 32->42 dropped 44 C:\ProgramData\Microsoft\...\Report.wer, Unicode 32->44 dropped 46 C:\ProgramData\Microsoft\...\Report.wer, Unicode 32->46 dropped 48 3 other malicious files 32->48 dropped signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/034b31656266ad9f80490a4fc983ac53bb3224ac88084069080ee2ba0a91fc20
Detection:
remcos
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Link:
https://mwdb.cert.pl/sample/034b31656266ad9f80490a4fc983ac53bb3224ac88084069080ee2ba0a91fc20/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2024-11-02 06:25:52 UTC
File Type:
PE (Exe)
Extracted files:
29
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=anftczlcm2wz7acjbjh4ta5mko5tejfmraeea2iib3rlucur7qqa._file
Verdict:
malicious
Label(s):
remcos
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shellcode_loader_002
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Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:yavakosa discovery persistence rat
Link:
https://tria.ge/reports/241106-hgxcdsxrfr/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Remcos
Remcos family
Malware Config
C2 Extraction:
198.23.227.212:32583
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/df29541d-3c52-4224-a250-15b74d919f87
Unpacked files
SH256 hash:
7a9cf1b27f192c4e65b215b4a126fac4aa8d34397d020568ba4590a15502cf9c
MD5 hash:
d457d91b513ac2e3a4b539c28537da71
SHA1 hash:
9fd2aca60e95212de7ccc546dd82729b5d050f02
Detections:
Remcos
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win_remcos_auto
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win_remcos_w0
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malware_windows_remcos_rat
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INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
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win_remcos_rat_unpacked
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Link:
https://www.unpac.me/results/2eb59bd0-b5e7-4457-8010-7f2459b19520/
Parent samples :
7a9cf1b27f192c4e65b215b4a126fac4aa8d34397d020568ba4590a15502cf9c
034b31656266ad9f80490a4fc983ac53bb3224ac88084069080ee2ba0a91fc20
8038ff6a41673eb151cdb7f03872c741dc762834c856d70030cd54af744e36a4
0e184edac45ddeaf7ca4681b65e7b4accafb6705032faf6d2f6a61d2ef6d1ded
ed1416c90a49177106cbea5b7551756e06fee46d77fde4879b8735ec56dd54b4
48773abdad4ef3e8339d4ed2aa02f9d41611e02aefd9e93b0833a2ab99a1619f
4d8f242a1d64b3b41748d2bd56ee6f7119434dedcdf793a83cea95fb31d13347
SH256 hash:
034b31656266ad9f80490a4fc983ac53bb3224ac88084069080ee2ba0a91fc20
MD5 hash:
10e19f80d967ab7d4a8ed10f674df5c5
SHA1 hash:
895fdb3318b041506c9957b426e5ffe797a57c7f
Link:
https://www.unpac.me/results/2eb59bd0-b5e7-4457-8010-7f2459b19520/
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:DebuggerCheck__API
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_detect_tls_callbacks
Create hunting rule

File information

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

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_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::VirtualAllocEx
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::ReadConsoleOutputCharacterA
KERNEL32.dll::SetConsoleCursorPosition
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleAliasA
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::MoveFileExW
KERNEL32.dll::MoveFileW
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::GetSystemWow64DirectoryW

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