MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f977974b2df2bece2382b3c31b24382b629d18144c1fd56901900b1d1aba6024. 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: 19


Intelligence 19 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f977974b2df2bece2382b3c31b24382b629d18144c1fd56901900b1d1aba6024
SHA3-384 hash: 7304a6f282f92e5508d990c8fff6b1a746ef5d4c39fa144834ec3bd77d53eaa48c313c5ad9946fa166f51668db64e0bf
SHA1 hash: 80a4c110832923d56d4b86a10adf357e1839c7b8
MD5 hash: 01366b2e0ca4523828110da357d12653
humanhash: yellow-yellow-burger-india
File name:1evAkYZpwDV0N4v.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'055'744 bytes
First seen:2024-12-27 09:27:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:X1azvpEnO/9uGgmyB7KMXEHB036bTTOz9Rs:X1kpEg9uBOsEHbsS
Threatray 4'639 similar samples on MalwareBazaar
TLSH T14E25028C7505F54FC5469B754C70EEB069381DEA6A03D3139ACB2EDFF86E8968E041E2
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon c0f06478786c6878 (2 x SnakeKeylogger, 1 x RemcosRAT)
Reporter TeamDreier
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
388
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
1evAkYZpwDV0N4v.exe
Verdict:
Malicious activity
Analysis date:
2024-12-27 09:31:34 UTC
Tags:
remcos rat
Link:
https://app.any.run/tasks/2b17817f-6e02-4c79-94b1-2e6341db2679

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.19336.10707.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=676e73248a4d48ee35fffbb4
Tags:
shell virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Setting a keyboard event handler
DNS request
Connection attempt
Sending an HTTP GET request
Connection attempt to an infection source
Sending a TCP request to an infection source
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/676e73241fa9986e6ea4faa9/reports/22ffb1a2-b3a3-4ea2-a4af-69400fa1b419/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f977974b2df2bece2382b3c31b24382b629d18144c1fd56901900b1d1aba6024
Result
Verdict:
SUSPICIOUS
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/b1e1e05b-6f24-4d9a-b12d-cfbc5d60c357
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1581290
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
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
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Loading BitLocker PowerShell Module
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1581290 Sample: 1evAkYZpwDV0N4v.exe Startdate: 27/12/2024 Architecture: WINDOWS Score: 100 53 geoplugin.net 2->53 59 Suricata IDS alerts for network traffic 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 11 other signatures 2->65 8 1evAkYZpwDV0N4v.exe 7 2->8         started        12 gorfVgTf.exe 5 2->12         started        signatures3 process4 file5 43 C:\Users\user\AppData\Roaming\gorfVgTf.exe, PE32 8->43 dropped 45 C:\Users\...\gorfVgTf.exe:Zone.Identifier, ASCII 8->45 dropped 47 C:\Users\user\AppData\Local\...\tmpEDAD.tmp, XML 8->47 dropped 49 C:\Users\user\...\1evAkYZpwDV0N4v.exe.log, ASCII 8->49 dropped 67 Contains functionality to bypass UAC (CMSTPLUA) 8->67 69 Detected unpacking (changes PE section rights) 8->69 71 Detected unpacking (overwrites its own PE header) 8->71 79 8 other signatures 8->79 14 1evAkYZpwDV0N4v.exe 2 8->14         started        17 powershell.exe 23 8->17         started        19 powershell.exe 23 8->19         started        21 schtasks.exe 1 8->21         started        73 Multi AV Scanner detection for dropped file 12->73 75 Machine Learning detection for dropped file 12->75 77 Injects a PE file into a foreign processes 12->77 23 gorfVgTf.exe 2 15 12->23         started        27 schtasks.exe 1 12->27         started        signatures6 process7 dnsIp8 81 Writes to foreign memory regions 14->81 83 Maps a DLL or memory area into another process 14->83 29 iexplore.exe 14->29         started        85 Loading BitLocker PowerShell Module 17->85 31 WmiPrvSE.exe 17->31         started        33 conhost.exe 17->33         started        35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        55 192.3.64.152, 2559, 49735, 49774 AS-COLOCROSSINGUS United States 23->55 57 geoplugin.net 178.237.33.50, 49741, 80 ATOM86-ASATOM86NL Netherlands 23->57 51 C:\ProgramData\remcos\logs.dat, data 23->51 dropped 87 Detected Remcos RAT 23->87 89 Installs a global keyboard hook 23->89 39 WerFault.exe 23->39         started        41 conhost.exe 27->41         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f977974b2df2bece2382b3c31b24382b629d18144c1fd56901900b1d1aba6024
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f977974b2df2bece2382b3c31b24382b629d18144c1fd56901900b1d1aba6024/
Threat name:
Win32.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2024-12-27 06:28:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7f3zoszn6k7m4i4cwpbrwjbyfnrj2gaujqp5k2ibsafr2gv2masa._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
remcos
Create hunting rule
Similar samples:
212ecd5d051954ee43b7da3c5e998dffac460d74ac9ca99607e399015d3067c4
RemcosRAT
84bb8bba33e1a515260b02421d72da6ad0d685d432c64c572a230337dca28c54
RemcosRAT
86b19710e100964d95cfa01201152d4e73f1297f7286207feeb01cdb7e55efc8
RemcosRAT
8c8cad5c12f471f42d5992e71bd32478aedb40af922b03ef4920047012c04d1f
RemcosRAT
error
RemcosRAT
f34fd6a0b6536f074e3a1bc41f0e35a80667688de9668cd1d75f6920a06e7607
RemcosRAT
+ 4'629 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery execution rat
Link:
https://tria.ge/reports/241227-lfbk3stpbq/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
192.3.64.152:2559
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/91757450-d5ec-4e5e-95fb-3ad326e80fb4
Unpacked files
SH256 hash:
252eebab37bd68bd1b127a6b9115deddc24a23edfe29862c737e88d8051d4df9
MD5 hash:
f0b0abdf996184ed52c55752f5c1b352
SHA1 hash:
6bcdca287697b6bdb432aa7a1d9c310862a39765
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/627527e1-43e5-4727-bb02-dc7a142a61d1/
SH256 hash:
b8bb1d99d619ee729bb83143cdd6a2766e244d13299c056dcd8536e8457eab59
MD5 hash:
975cb36ad1ab61b6a88b3696d15ecc2e
SHA1 hash:
45b73b4a2759ac61923d17ba2462526d5d775342
Link:
https://www.unpac.me/results/627527e1-43e5-4727-bb02-dc7a142a61d1/
SH256 hash:
9db5fbdb5ec948c60e0ef1eae4cc58b9d55bbaed70489d5331bbdbda19d8035b
MD5 hash:
48ee97a14614113c194512c933e5f667
SHA1 hash:
2a0100e02126f11b17f73f949d7bee1608848398
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/627527e1-43e5-4727-bb02-dc7a142a61d1/
Parent samples :
123d60e73ef07b75f285d67de12c69137304e6932415b20d76432914f3e15e1c
04e6dda7961928fadeecd13e02b9195d31a5e3a9925d4de51072089bc7a1b452
f977974b2df2bece2382b3c31b24382b629d18144c1fd56901900b1d1aba6024
07b27d0e65f751737e5d9bee0b78b5a56933264014b5171ae03f3c2c3b51ae0e
caca9062bbedb4519f51493d026a344f885ac593b7224d40458ff07f8ecee4ba
12f38b57f20acea350ed883756309c9516c6b5b814ebedcb19dcb5ba798579e1
d51b3625115680dc3d6e0f5881f914f0373a277e2ef2ec56c88c3f45de997877
SH256 hash:
f977974b2df2bece2382b3c31b24382b629d18144c1fd56901900b1d1aba6024
MD5 hash:
01366b2e0ca4523828110da357d12653
SHA1 hash:
80a4c110832923d56d4b86a10adf357e1839c7b8
Link:
https://www.unpac.me/results/627527e1-43e5-4727-bb02-dc7a142a61d1/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f977974b2df2/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/f977974b2df2bece2382b3c31b24382b629d18144c1fd56901900b1d1aba6024

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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)

File information

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

Malspam

RemcosRAT

Executable exe f977974b2df2bece2382b3c31b24382b629d18144c1fd56901900b1d1aba6024

(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

Comments