MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c2013fad6a1941c7f9958fb93cb178ff4fa76fcc698f0aef9260f68798c2f626. 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 2 File information Comments

SHA256 hash: c2013fad6a1941c7f9958fb93cb178ff4fa76fcc698f0aef9260f68798c2f626
SHA3-384 hash: a37e359fefaa45c345e46ddff4c3039cd591938e42d0f73143105e24b9fe6a3fde7b0d19d284e71af8671084d29fc1ed
SHA1 hash: 713a8f2630d96c6412d92382941a11a89f50ab73
MD5 hash: 48ffc4ac92f5c5c2d263ba5dfadbec4b
humanhash: one-friend-fix-arkansas
File name:Contract Draft.exe
Download: download sample
Signature RemcosRAT
File size:1'267'712 bytes
First seen:2022-12-07 14:19:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'633 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:DjiAKI2U8qDJYJo9b1tKnnrOpV5HbioRcpDxwg5+RI:DjipXU8qmQYrOpfHbi0cp7e
Threatray 2'325 similar samples on MalwareBazaar
TLSH T18C45CE9373BB55E2C53495F4052193710EB1DB2E89178731EF8858D9EBA2A3BC9C0B72
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)
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Contract Draft.exe
Verdict:
Malicious activity
Analysis date:
2022-12-07 14:21:41 UTC
Tags:
rat remcos keylogger

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

Behaviour
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 762709 Sample: Contract Draft.exe Startdate: 07/12/2022 Architecture: WINDOWS Score: 100 86 Malicious sample detected (through community Yara rule) 2->86 88 Antivirus detection for dropped file 2->88 90 Sigma detected: Scheduled temp file as task from temp location 2->90 92 10 other signatures 2->92 11 Contract Draft.exe 6 2->11         started        15 IReQLtJWFB.exe 5 2->15         started        17 remcos.exe 2->17         started        19 2 other processes 2->19 process3 file4 74 C:\Users\user\AppData\...\IReQLtJWFB.exe, PE32 11->74 dropped 76 C:\Users\user\AppData\Local\...\tmp4193.tmp, XML 11->76 dropped 78 C:\Users\user\...\Contract Draft.exe.log, ASCII 11->78 dropped 98 Injects a PE file into a foreign processes 11->98 21 Contract Draft.exe 5 5 11->21         started        25 schtasks.exe 1 11->25         started        100 Multi AV Scanner detection for dropped file 15->100 102 Machine Learning detection for dropped file 15->102 27 schtasks.exe 15->27         started        29 IReQLtJWFB.exe 15->29         started        31 schtasks.exe 17->31         started        33 remcos.exe 17->33         started        35 schtasks.exe 19->35         started        37 schtasks.exe 19->37         started        39 2 other processes 19->39 signatures5 process6 dnsIp7 80 192.168.2.1 unknown unknown 21->80 68 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 21->68 dropped 70 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 21->70 dropped 72 C:\Users\user\AppData\Local\...\install.vbs, data 21->72 dropped 41 wscript.exe 1 21->41         started        43 conhost.exe 25->43         started        45 conhost.exe 27->45         started        47 conhost.exe 31->47         started        49 conhost.exe 35->49         started        51 conhost.exe 37->51         started        file8 process9 process10 53 cmd.exe 1 41->53         started        process11 55 remcos.exe 5 53->55         started        58 conhost.exe 53->58         started        signatures12 94 Multi AV Scanner detection for dropped file 55->94 96 Machine Learning detection for dropped file 55->96 60 remcos.exe 55->60         started        64 schtasks.exe 55->64         started        process13 dnsIp14 82 brremcoz1.ddns.net 79.110.63.65, 3270, 49698 LASOTELFR Germany 60->82 84 geoplugin.net 178.237.33.50, 49699, 80 ATOM86-ASATOM86NL Netherlands 60->84 104 Installs a global keyboard hook 60->104 66 conhost.exe 64->66         started        signatures15 process16
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-12-07 03:40:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
brremcoz1.ddns.net:3270
Unpacked files
SH256 hash:
63a59ca294da82a8cc77f1b4663284ace8b64255e73ebf6794fc0d67c370faa9
MD5 hash:
796a6ddf135a0d8bb32339b4a9949d93
SHA1 hash:
893312fc9402937a72fc0b6342a55aaaac265c13
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
SH256 hash:
c2013fad6a1941c7f9958fb93cb178ff4fa76fcc698f0aef9260f68798c2f626
MD5 hash:
48ffc4ac92f5c5c2d263ba5dfadbec4b
SHA1 hash:
713a8f2630d96c6412d92382941a11a89f50ab73
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: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.

  
Delivery method
Other

Comments