MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bafc5fae0104b9851797f62ad1d638cf18237782147ff341033d6bfc06e0d5ca. 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 3 File information Comments

SHA256 hash: bafc5fae0104b9851797f62ad1d638cf18237782147ff341033d6bfc06e0d5ca
SHA3-384 hash: a9db82f4caed00d3feb8fe412e0ee6a5af2298b1deae7804de9d70fce0d2515a823e80ed7c9ead2d4c56c4436d931cad
SHA1 hash: 4783b452db1c981f5ce4172dfcf0f58cd7833e2f
MD5 hash: d9a8e25c149db0bc13d2b3b31010e950
humanhash: missouri-paris-blossom-friend
File name:d9a8e25c149db0bc13d2b3b31010e950.exe
Download: download sample
Signature RemcosRAT
File size:901'120 bytes
First seen:2023-12-04 09:07:44 UTC
Last seen:2023-12-04 10:33:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:G+pJhETHF3Jq9/V64X4QsKpTb/P3VRvu0SfBVINv:xJaLq9PX436z/rvulQx
Threatray 3'282 similar samples on MalwareBazaar
TLSH T10415234BF6F6A300D8798F7A54F64026ABA8D7413107FB19DC58B2DD6E42F134263267
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 23ccccfc3c6c2c17 (12 x Formbook, 8 x AgentTesla, 5 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
289
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
d9a8e25c149db0bc13d2b3b31010e950.exe
Verdict:
Malicious activity
Analysis date:
2023-12-04 09:11:12 UTC
Tags:
rat remcos remote stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Creating a file
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Searching for the window
Creating a window
Сreating synchronization primitives
Forced shutdown of a system process
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1352985 Sample: CRuyChmAqq.exe Startdate: 04/12/2023 Architecture: WINDOWS Score: 100 41 Multi AV Scanner detection for domain / URL 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 11 other signatures 2->47 7 CRuyChmAqq.exe 7 2->7         started        11 mCexbnQRwrH.exe 5 2->11         started        process3 file4 37 C:\Users\user\AppData\...\mCexbnQRwrH.exe, PE32 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmp4BDF.tmp, XML 7->39 dropped 49 Uses schtasks.exe or at.exe to add and modify task schedules 7->49 51 Adds a directory exclusion to Windows Defender 7->51 13 powershell.exe 23 7->13         started        15 powershell.exe 23 7->15         started        17 schtasks.exe 1 7->17         started        25 5 other processes 7->25 53 Antivirus detection for dropped file 11->53 55 Multi AV Scanner detection for dropped file 11->55 57 Machine Learning detection for dropped file 11->57 19 schtasks.exe 1 11->19         started        21 vbc.exe 11->21         started        23 vbc.exe 11->23         started        27 3 other processes 11->27 signatures5 process6 process7 29 conhost.exe 13->29         started        31 conhost.exe 15->31         started        33 conhost.exe 17->33         started        35 conhost.exe 19->35         started       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-04 04:03:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:grace rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
grantadistciaret.com:3212
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
9f6c32e1e13ce3df89825520b9e17cb5f185064cfd1c32c04fb49cffa77b9ee4
MD5 hash:
df8f7edaa04a65ba7b6a72b95a7d1ca5
SHA1 hash:
165873e8797bb2cbf99706549c60a09055e49200
SH256 hash:
2340d070fc92470913072bab9087c4ed5675a0e8d4c61145553a8aad52a16994
MD5 hash:
0cf35c9e685b649b084dc5d385aaa62b
SHA1 hash:
06ab63a9a595c6ef82206c7388ff6aee4b1adb51
SH256 hash:
bafc5fae0104b9851797f62ad1d638cf18237782147ff341033d6bfc06e0d5ca
MD5 hash:
d9a8e25c149db0bc13d2b3b31010e950
SHA1 hash:
4783b452db1c981f5ce4172dfcf0f58cd7833e2f
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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

RemcosRAT

Executable exe bafc5fae0104b9851797f62ad1d638cf18237782147ff341033d6bfc06e0d5ca

(this sample)

  
Delivery method
Distributed via web download

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