MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f54f1bec9ba28b84b92478b3db46235c07fa7b4fb106111dd68e4af94afcea3. 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 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5f54f1bec9ba28b84b92478b3db46235c07fa7b4fb106111dd68e4af94afcea3
SHA3-384 hash: 886505ce6b1f570f4cad75b83d5f7c668e7322971389add64082ae25e23d93fe447b36071c3637c31a943a602eb73fc5
SHA1 hash: 3f40142ffa5a2093a864446af3b80e0fb03f3bfd
MD5 hash: e3f85d3db1a13a521b6dd6477298f9c5
humanhash: oregon-snake-earth-oscar
File name:5f54f1bec9ba28b84b92478b3db46235c07fa7b4fb106111dd68e4af94afcea3
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:494'592 bytes
First seen:2024-10-10 12:07:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8d5087ff5de35c3fbb9f212b47d63cad (170 x RemcosRAT)
ssdeep 6144:QXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZoAX0cNc5Gv:QX7tPMK8ctGe4Dzl4h2QnuPs/Zo5cv
Threatray 4'485 similar samples on MalwareBazaar
TLSH T184B49E01BAD1C072D57524300D36F776EAB8BD2028364A7B73D61D5BFE31190B62AAB7
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
408
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
5f54f1bec9ba28b84b92478b3db46235c07fa7b4fb106111dd68e4af94afcea3
Verdict:
Malicious activity
Analysis date:
2024-10-10 12:10:02 UTC
Tags:
remcos
Link:
https://app.any.run/tasks/eece7657-7145-4fb4-ad11-393eb4b3477d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Trojan.Remcos-9841897-0
Create hunting rule

Win.Trojan.Remcos-10002580-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6707c3a6f936b5621b0c4278
Tags:
Ransomware Downloader Dropper Remcos
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypto epmicrosoft_visual_cc evasive exploit explorer fingerprint fingerprint keylogger lolbin microsoft_visual_cc remcos shell32
Link:
https://www.filescan.io/uploads/6707c3a4a617144147821cf8/reports/d2983a41-1b01-4530-9308-5aca36a45ebc/overview
Verdict:
Malicious
Labled as:
Remcos.Generic
Link:
https://www.hybrid-analysis.com/sample/5f54f1bec9ba28b84b92478b3db46235c07fa7b4fb106111dd68e4af94afcea3
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/484c6f20-4983-4a26-86d6-ce1a1cf34a2f
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1530766
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Machine Learning detection for dropped file
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
Suricata IDS alerts for network traffic
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5f54f1bec9ba28b84b92478b3db46235c07fa7b4fb106111dd68e4af94afcea3
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5f54f1bec9ba28b84b92478b3db46235c07fa7b4fb106111dd68e4af94afcea3/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-10-10 12:08:04 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
34 of 38 (89.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l5kpdpwjxiulqs4si6ft3ndcgxah7j5u7migceo5ndsk7ffpz2rq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
nirsoft
Create hunting rule
admintool_mailpassview
Create hunting rule
Similar samples:
199d642bf20eb5b9ae989bd2872757b19186a0c579a81613b29d64d9c992a746
RemcosRAT
3e32447ea3b5f07c7f6a180269f5443378acb32c5d0e0bf01a5e39264f691587
RemcosRAT
472a8fbff35cdda49a870d372fa6da50defd8480348438e245f11aad954642d1
RemcosRAT
909b4092841b4056937777a197673e86be281f43db661ee636ccd73744015768
RemcosRAT
ab4c9b244a1604655032a8f69acc4273265fa35337906e05a1dc2b274b3b13a6
RemcosRAT
d3ae0198e42c1f207bd4ba866ad9f634cddb1b3f15757db7b417a74bfc20116e
RemcosRAT
error
RemcosRAT
+ 4'475 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery persistence rat
Link:
https://tria.ge/reports/241010-pav93s1ckr/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
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:
rat remcos
YARA:
malware_windows_remcos_rat REMCOS_RAT_variants Remcos_Payload win_remcos_rat_unpacked Windows_Trojan_Remcos_b296e965 MAL_EXE_Remcos_RAT_Jul_22 Remcos
Link:
https://app.threat.zone/submission/4e105ab2-021e-43d3-8c24-869c5fa06bf3
Unpacked files
SH256 hash:
5f54f1bec9ba28b84b92478b3db46235c07fa7b4fb106111dd68e4af94afcea3
MD5 hash:
e3f85d3db1a13a521b6dd6477298f9c5
SHA1 hash:
3f40142ffa5a2093a864446af3b80e0fb03f3bfd
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/103beb72-8fb0-4164-b86d-efd188e7ace7/
Parent samples :
aa5728008a7a4b1173fc74eb5e41666688baddefbb2d5214d46cd6815646b5f3
9b9ba6e3df79c2acd5ecdb46d3fb5f4828bcad17b899841fda48bef82f7ab1a1
70ee8c0d07ceccded841b84da618617ffade6266373de9470d14c27a67042ea6
524c637935103ad405e691fd652910fd2d7aab643348818a30b86ee24f3e70b0
561070b0ac5bfae16de4f01cbfc6fbf6b40d3afd5413de4c2abf8c844e7e9fe4
1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787
6b21cf5ebc20615576167925b27adad49dd095dbca80a7a47101fa824295057c
d3ab0c4ddfbdbce6b1f200436de1c9d1f94567b06a420dc453d02460452cebca
79b1315cab839553008486cf182981ce0a36c1755a83e37f7b107cdb7266f0cb
5e3a1a463e8db9ecffcce81fcd53169562dc8dc0e8974e09376639aaef0e61ae
9c1dd67562324157ceab4d8e050c84150afc6ddff6aec72206ab437c31aac7bb
d99f687b6e744e9d9bdff2e59c273c85deff48dbaa52bf2d64009fd5ec4907ab
ae72b0b7e4c361d0016ed97ac0664e0c8f3d31dd9627c993b635b5fac24d7255
2c5f8cf6008b32d8845093b44852f6fbd1c2be8ec1ae5fa4e01e8d81d7e42929
5f54f1bec9ba28b84b92478b3db46235c07fa7b4fb106111dd68e4af94afcea3
7a9e36961ab5b2ab759ec2196d40618b1f43c5a04c40c01b31cfb4ea1adfc347
c51201337af75df4850b5392117e54eedfa2f1ac133e891947ece8102cdda0d0
b2a1e0e508be9c7546a8af45c72f2032f067ac036f03ec0c8309b368b195a65c
0ffd61040c88e3beb1cd998b777cbbe118f52daa4eb2759cd9329de5d7f2adc4
769cba836f991b58e8f70ebecb20c4e34fc5e1d1fc7c031b8fc704f43676d83a
21b895bddca92e3443bf32f96d3c2c740be863944ed1c78a41a7caf36ea8f2a7
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/5f54f1bec9ba28b84b92478b3db46235c07fa7b4fb106111dd68e4af94afcea3

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:pe_detect_tls_callbacks
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
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_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
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.

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
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdipGetImageEncodersSize
gdiplus.dll::GdipGetImageEncoders
gdiplus.dll::GdipAlloc
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringA
WINMM.dll::mciSendStringW
WINMM.dll::PlaySoundW
WINMM.dll::waveInAddBuffer
WINMM.dll::waveInClose
WINMM.dll::waveInOpen
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExA
SHELL32.dll::ShellExecuteW
URL_MONIKERS_APICan Download & Execute componentsurlmon.dll::URLDownloadToFileW
urlmon.dll::URLOpenBlockingStreamW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CreateProcessA
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle
WININET.dll::InternetCloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindFirstVolumeW
KERNEL32.dll::FindNextVolumeW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetDriveTypeA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleOutputCP
KERNEL32.dll::SetConsoleTextAttribute
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::DeleteFileA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LookupPrivilegeValueA
KERNEL32.dll::QueryDosDeviceW
WIN_CRYPT_APIUses Windows Crypt APIADVAPI32.dll::CryptAcquireContextA
ADVAPI32.dll::CryptGenRandom
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyA
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegCreateKeyW
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegOpenKeyExW
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::ChangeServiceConfigW
ADVAPI32.dll::ControlService
ADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::OpenSCManagerA
ADVAPI32.dll::OpenServiceW
ADVAPI32.dll::QueryServiceConfigW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::OpenClipboard
USER32.dll::CreateWindowExA

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