MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dec26f7cc646acdff30d90fae8837623c70870ed0cc9020930f95b53b6b730db. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dec26f7cc646acdff30d90fae8837623c70870ed0cc9020930f95b53b6b730db
SHA3-384 hash: 30537063b780024917dc63db474eb54d5b5977658aca7561e87d161d6acf482fb91e606431bad75fd8c1f861908502d3
SHA1 hash: 32c7065633f821f72f2c2af4a572414cdd79ea91
MD5 hash: 973306ff45c5b4ee7333db7a5ef7a0f9
humanhash: yankee-oxygen-nineteen-comet
File name:RFQ_PX2_MULE2024_Travco_Engineering_Construction_PDF.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'332'736 bytes
First seen:2024-12-02 13:11:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:ztb20pkaCqT5TBWgNQ7ato13PtKK5QXpdbt86F+LAisTLZ6A:wVg5tQ7at8FFOpXt+LAiY5
TLSH T17555CF1373DD83A1C3B252737E567701AEBBB82506A5FC5B2FD4093DAC20521522E6BB
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon 74ecccccdcd4c4c8 (5 x RemcosRAT, 2 x SnakeKeylogger, 2 x GuLoader)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
413
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ_PX2_MULE2024_Travco_Engineering_Construction_PDF.exe
Verdict:
No threats detected
Analysis date:
2024-12-02 13:18:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0fe8964a-dbab-41f2-b941-9c880e857c40

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

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674db410e64d1c722d7b5a13
Tags:
autorun autoit remcos emotet
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
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit compiled-script evasive fingerprint fingerprint keylogger lolbin masquerade microsoft_visual_cc msconfig packed packed packer_detected remcos
Link:
https://www.filescan.io/uploads/674db234f7c2ff1a12e5a559/reports/7b910c48-6fc5-43a4-9bd7-784c6c18bec5/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/dec26f7cc646acdff30d90fae8837623c70870ed0cc9020930f95b53b6b730db
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1f586e77-f505-4f62-a695-c3676bf4b653
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1566628
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
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
Delayed program exit found
Detected Remcos RAT
Drops VBS files to the startup folder
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
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)
Uses dynamic DNS services
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
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: 1566628 Sample: RFQ_PX2_MULE2024_Travco_Eng... Startdate: 02/12/2024 Architecture: WINDOWS Score: 100 44 netflixyoutubebrowser.duckdns.org 2->44 46 geoplugin.net 2->46 60 Suricata IDS alerts for network traffic 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 68 12 other signatures 2->68 9 RFQ_PX2_MULE2024_Travco_Engineering_Construction_PDF.exe 4 2->9         started        13 wscript.exe 1 2->13         started        signatures3 66 Uses dynamic DNS services 44->66 process4 file5 40 C:\Users\user\AppData\...\schoollike.exe, PE32 9->40 dropped 84 Binary is likely a compiled AutoIt script file 9->84 15 schoollike.exe 2 9->15         started        86 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->86 19 schoollike.exe 1 13->19         started        signatures6 process7 file8 42 C:\Users\user\AppData\...\schoollike.vbs, data 15->42 dropped 52 Multi AV Scanner detection for dropped file 15->52 54 Binary is likely a compiled AutoIt script file 15->54 56 Machine Learning detection for dropped file 15->56 58 4 other signatures 15->58 21 svchost.exe 3 13 15->21         started        25 schoollike.exe 1 19->25         started        27 svchost.exe 19->27         started        signatures9 process10 dnsIp11 48 netflixyoutubebrowser.duckdns.org 69.61.84.227, 34043, 49745, 49752 GLOBALCOMPASSUS United States 21->48 50 geoplugin.net 178.237.33.50, 49758, 80 ATOM86-ASATOM86NL Netherlands 21->50 70 System process connects to network (likely due to code injection or exploit) 21->70 72 Contains functionality to bypass UAC (CMSTPLUA) 21->72 74 Detected Remcos RAT 21->74 82 6 other signatures 21->82 29 svchost.exe 1 21->29         started        32 svchost.exe 1 21->32         started        34 svchost.exe 2 21->34         started        36 svchost.exe 21->36         started        76 Binary is likely a compiled AutoIt script file 25->76 78 Writes to foreign memory regions 25->78 80 Maps a DLL or memory area into another process 25->80 38 svchost.exe 25->38         started        signatures12 process13 signatures14 88 Tries to steal Instant Messenger accounts or passwords 29->88 90 Tries to steal Mail credentials (via file / registry access) 29->90 92 Tries to harvest and steal browser information (history, passwords, etc) 32->92 94 Detected Remcos RAT 38->94
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dec26f7cc646acdff30d90fae8837623c70870ed0cc9020930f95b53b6b730db
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dec26f7cc646acdff30d90fae8837623c70870ed0cc9020930f95b53b6b730db/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-11-28 14:10:22 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=33bg67ggi2wn74ynsd5ora3wepdqq4hnbteqecjq7fnvhnvxgdnq._file
Verdict:
malicious
Label(s):
unknown_loader_036
Create hunting rule
remcos
Create hunting rule
autoit
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:work collection discovery rat
Link:
https://tria.ge/reports/241202-qfjnxavlgt/
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
Accesses Microsoft Outlook accounts
Drops startup file
Executes dropped EXE
Loads dropped DLL
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
netflixyoutubebrowser.duckdns.org:34043
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1788a4cd-a52a-4a5c-ba08-6d22a4537c97
Unpacked files
SH256 hash:
b7a2681c50396bc5ca20c8cfabfd1b37add8e0336eeb70d0efe796fc70430d98
MD5 hash:
3f2be80d178cf6a252df6eda44523abc
SHA1 hash:
a678bdab38b2bbf82a1ff24a54b647db24130b82
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/2f50f302-0d1d-450d-ad37-20a06b24234a/
SH256 hash:
dec26f7cc646acdff30d90fae8837623c70870ed0cc9020930f95b53b6b730db
MD5 hash:
973306ff45c5b4ee7333db7a5ef7a0f9
SHA1 hash:
32c7065633f821f72f2c2af4a572414cdd79ea91
Link:
https://www.unpac.me/results/2f50f302-0d1d-450d-ad37-20a06b24234a/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dec26f7cc646/report/overview.html
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/dec26f7cc646acdff30d90fae8837623c70870ed0cc9020930f95b53b6b730db

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
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:YahLover
Create hunting rule
Author:Kevin Falcoz
Description:YahLover

File information

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

Malspam

RemcosRAT

Executable exe dec26f7cc646acdff30d90fae8837623c70870ed0cc9020930f95b53b6b730db

(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::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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