MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1b9ccdfb42f24d794afbb5b46bbbd429eec29255e1f4f8007b0105024c58cad. 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 3 File information Comments

SHA256 hash: d1b9ccdfb42f24d794afbb5b46bbbd429eec29255e1f4f8007b0105024c58cad
SHA3-384 hash: 7d4f1a07838a0ba5b18d30460d4bd58bcc71593a7b817a52bf80fd20bae63d6a5dfa8170b82512861d528c7e773b52c8
SHA1 hash: 5c6bb20979fc46546f4c56397190254854c5a17a
MD5 hash: a62120223b51cec30258af44ef289036
humanhash: beer-tango-virginia-earth
File name:kkkellvgsd.exe
Download: download sample
Signature RemcosRAT
File size:1'934'848 bytes
First seen:2023-01-21 08:35:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:43yKQv3CWRXOv0kRBkdqBo99wjeY6kPaSNRrbgGwBw0BiDlh4U1GI522N1D6/tGh:byce8kRBmqBB603NFZwVBFTNe/
Threatray 2'900 similar samples on MalwareBazaar
TLSH T16095D0320683BEEBF35B2E4490162C809C291D675F3896F8BDC9347B51F4674EB99A31
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 00071a1b52522920 (18 x RemcosRAT, 4 x Formbook, 1 x AgentTesla)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
62.102.148.160:43219

Intelligence


File Origin
# of uploads :
1
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
kkkellvgsd.exe
Verdict:
Malicious activity
Analysis date:
2023-01-21 08:52:20 UTC
Tags:
rat remcos

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
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:
Remcos, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Encrypted powershell cmdline option found
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
Sigma detected: Remcos
Snort IDS alert for network traffic
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 788855 Sample: kkkellvgsd.exe Startdate: 21/01/2023 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 9 other signatures 2->58 7 Bzrjmwktvbz.exe 4 2->7         started        11 kkkellvgsd.exe 1 7 2->11         started        13 Bzrjmwktvbz.exe 3 2->13         started        process3 file4 38 C:\Users\user\AppData\...\Bzrjmwktvbz.exe.log, ASCII 7->38 dropped 60 Antivirus detection for dropped file 7->60 62 Multi AV Scanner detection for dropped file 7->62 64 Machine Learning detection for dropped file 7->64 68 4 other signatures 7->68 15 powershell.exe 7->15         started        17 Bzrjmwktvbz.exe 7->17         started        19 Bzrjmwktvbz.exe 7->19         started        30 2 other processes 7->30 40 C:\Users\user\AppData\...\Bzrjmwktvbz.exe, PE32 11->40 dropped 42 C:\Users\...\Bzrjmwktvbz.exe:Zone.Identifier, ASCII 11->42 dropped 44 C:\Users\user\AppData\...\kkkellvgsd.exe.log, ASCII 11->44 dropped 66 Encrypted powershell cmdline option found 11->66 21 kkkellvgsd.exe 2 11->21         started        24 powershell.exe 16 11->24         started        26 powershell.exe 13->26         started        28 Bzrjmwktvbz.exe 13->28         started        signatures5 process6 dnsIp7 32 conhost.exe 15->32         started        46 62.102.148.160, 43219, 49700 TEKNIKBYRANSE Sweden 21->46 48 10.18.175.2, 43219 unknown unknown 21->48 50 127.0.0.1 unknown unknown 21->50 34 conhost.exe 24->34         started        36 conhost.exe 26->36         started        process8
Threat name:
ByteCode-MSIL.Dropper.Lazy
Status:
Malicious
First seen:
2023-01-21 08:38:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
15 of 39 (38.46%)
Threat level:
  3/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:kelzzy persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
62.102.148.160:43219
127.0.0.1:43219
10.18.175.2:43219
Unpacked files
SH256 hash:
ff8c24bce1eb009f0d5c47a09b96caf02726c285cea0d635082ad4da27e63d1b
MD5 hash:
9d6ec6072ee1814a4a01d1eb3fb67ba1
SHA1 hash:
d0b416de1c900b6bcb35dc182b2e8744f16c3289
SH256 hash:
e3d25c2f8817f6e6bb439b87a857542619b4cefb29a3b7809c6f0d5a8afd4162
MD5 hash:
df7d177af131ca3a8252735824f7006c
SHA1 hash:
a229b664e4e17912485a5fafcada404e1f4cde1f
Detections:
Remcos win_remcos_auto win_remcos_g0
SH256 hash:
1ce41449aefc5952a294b8ab422469384e4ff7c1d1f84918d334074f7e430ac6
MD5 hash:
17a34ec7caecb4b71017b4d3053f2adc
SHA1 hash:
6e8fa1289566b421f22f78fd6c6751480a78682a
SH256 hash:
d1b9ccdfb42f24d794afbb5b46bbbd429eec29255e1f4f8007b0105024c58cad
MD5 hash:
a62120223b51cec30258af44ef289036
SHA1 hash:
5c6bb20979fc46546f4c56397190254854c5a17a
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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.

Comments