MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f40d67d72b406df5af87f9fde49179e16304d31f818502c91258577b9f7548f. 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: 6f40d67d72b406df5af87f9fde49179e16304d31f818502c91258577b9f7548f
SHA3-384 hash: 9b8c303c63bbce57013e6d2d2f97e9453130e88c3cee830beb2384fc15d658dbd27f104acc5057c4f37086340603aa0d
SHA1 hash: 153bc20a7fee282f35b3e20e4027791be0a188d9
MD5 hash: cb971c21946a3ef8c0061e33497352ea
humanhash: nine-helium-single-stairway
File name:ubabalo connect.exe
Download: download sample
Signature RemcosRAT
File size:1'936'384 bytes
First seen:2023-01-21 07:45:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:ocYJy0LCjAutReOG41vmM0u9F1lLXq+ZumPgXDleyUxkotrOSn/eRYAI21ljOBsN:bcZBQjnV7yUk+3AIpIVa
Threatray 2'907 similar samples on MalwareBazaar
TLSH T1B795CF721683FED7E3671E54D40525848D1A2C4BAB18E798F9C830AF63F4674EBB9930
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 00870d1848c4cc20 (27 x RemcosRAT, 6 x Formbook, 1 x NanoCore)
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 :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
ubabalo connect.exe
Verdict:
Malicious activity
Analysis date:
2023-01-21 07:45:41 UTC
Tags:
rat remcos trojan

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
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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)
Detected Remcos RAT
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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: 788831 Sample: ubabalo connect.exe Startdate: 21/01/2023 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 11 other signatures 2->50 7 ubabalo connect.exe 1 7 2->7         started        11 Efwywfxbgr.exe 4 2->11         started        13 Efwywfxbgr.exe 3 2->13         started        process3 file4 36 C:\Users\user\AppData\...fwywfxbgr.exe, PE32 7->36 dropped 38 C:\Users\...fwywfxbgr.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\...\ubabalo connect.exe.log, ASCII 7->40 dropped 52 Encrypted powershell cmdline option found 7->52 54 Injects a PE file into a foreign processes 7->54 15 ubabalo connect.exe 2 7->15         started        18 powershell.exe 16 7->18         started        56 Antivirus detection for dropped file 11->56 58 Machine Learning detection for dropped file 11->58 20 powershell.exe 13 11->20         started        22 Efwywfxbgr.exe 11->22         started        24 powershell.exe 13 13->24         started        26 Efwywfxbgr.exe 13->26         started        28 Efwywfxbgr.exe 13->28         started        signatures5 process6 dnsIp7 42 62.102.148.160, 43219, 49698 TEKNIKBYRANSE Sweden 15->42 30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 24->34         started        process8
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2023-01-21 08:13:01 UTC
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:miracle 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:
ca890b833f59a1e169cb4130ef687c28cb4a43c2391f45860c2277ef27aecdce
MD5 hash:
b550e1818810aaf551b074c3c9bd3b47
SHA1 hash:
2699ec18ff9fa4e5200a730482ccb9f4a7e9695e
Detections:
Remcos win_remcos_auto win_remcos_g0
SH256 hash:
ff8c24bce1eb009f0d5c47a09b96caf02726c285cea0d635082ad4da27e63d1b
MD5 hash:
9d6ec6072ee1814a4a01d1eb3fb67ba1
SHA1 hash:
d0b416de1c900b6bcb35dc182b2e8744f16c3289
SH256 hash:
086a6792d4a02d87b305efe037dbe1f26400ea0effb08e314daed52276b36b52
MD5 hash:
a96c957e35ce4e7e7f25a308f2288521
SHA1 hash:
4ef5c56d0866bb8e2c43755a6ace469ad23739d5
SH256 hash:
85b9d28deb170f6b5cfc013fe2015c3c2c12b8d6d49c4b7f19bf653c3d3c2f64
MD5 hash:
4d71f463d0fc3529dffcc0157825bb1e
SHA1 hash:
40016efff43ac84c52062d653a065f4e08055706
SH256 hash:
6f40d67d72b406df5af87f9fde49179e16304d31f818502c91258577b9f7548f
MD5 hash:
cb971c21946a3ef8c0061e33497352ea
SHA1 hash:
153bc20a7fee282f35b3e20e4027791be0a188d9
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