MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7bd46b7c65926d301ef6d867258e13c68e9f6c8fc721cc541cf084aa0df47133. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments 1

SHA256 hash: 7bd46b7c65926d301ef6d867258e13c68e9f6c8fc721cc541cf084aa0df47133
SHA3-384 hash: 32a00b9cfa375ae59c74333e3450e88eab80bd5850dab80ff9156a500e7deddf237786d0d4da690e1f189bb457746260
SHA1 hash: 7c533f9f322a6efd50de5e1c3551571eccf0f408
MD5 hash: a5d90c7d3e393ee48132480fca1532cf
humanhash: batman-cold-mirror-lima
File name:a5d90c7d3e393ee48132480fca1532cf
Download: download sample
Signature RemcosRAT
File size:2'427'392 bytes
First seen:2022-11-19 04:29:09 UTC
Last seen:2022-11-19 06:35:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 49152:8Uscf2YXnRNaqzu2yghkAwwpLTKrRMVl4pVYW17x:K8LD7pXWMTy17x
Threatray 3'409 similar samples on MalwareBazaar
TLSH T1FEB53928A5195F12819D72EF77F9A08B08D2B9B5C08B401FE6F64F4DF688B345A9CD4C
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 696a6ee2b2b2c2cc (18 x RedLineStealer, 17 x LummaStealer, 16 x CoinMiner)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
SHIPMENT DOCS ETA 8-12-22.xls
Verdict:
Malicious activity
Analysis date:
2022-11-18 22:39:08 UTC
Tags:
macros trojan opendir exploit cve-2017-11882 loader rat remcos keylogger

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

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys 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:
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Encrypted powershell cmdline option found
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)
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: Remcos
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 749695 Sample: AcnJO3iqGE.exe Startdate: 19/11/2022 Architecture: WINDOWS Score: 100 65 Malicious sample detected (through community Yara rule) 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 Yara detected Remcos RAT 2->69 71 6 other signatures 2->71 8 AcnJO3iqGE.exe 1 7 2->8         started        12 Fiyjdwaazb.exe 3 2->12         started        14 Fiyjdwaazb.exe 2->14         started        process3 file4 53 C:\Users\user\AppData\...\Fiyjdwaazb.exe, PE32 8->53 dropped 55 C:\Users\...\Fiyjdwaazb.exe:Zone.Identifier, ASCII 8->55 dropped 57 C:\Users\user\AppData\...\AcnJO3iqGE.exe.log, ASCII 8->57 dropped 77 Encrypted powershell cmdline option found 8->77 79 Injects a PE file into a foreign processes 8->79 16 AcnJO3iqGE.exe 2 16 8->16         started        21 powershell.exe 16 8->21         started        81 Multi AV Scanner detection for dropped file 12->81 83 Machine Learning detection for dropped file 12->83 23 powershell.exe 12->23         started        25 powershell.exe 14->25         started        signatures5 process6 dnsIp7 59 107.174.202.148, 14207, 49695, 49696 AS-COLOCROSSINGUS United States 16->59 61 geoplugin.net 178.237.33.50, 49697, 80 ATOM86-ASATOM86NL Netherlands 16->61 51 C:\ProgramData\remcos\logs.dat, data 16->51 dropped 73 Maps a DLL or memory area into another process 16->73 75 Installs a global keyboard hook 16->75 27 AcnJO3iqGE.exe 16->27         started        30 AcnJO3iqGE.exe 16->30         started        32 AcnJO3iqGE.exe 16->32         started        40 21 other processes 16->40 34 conhost.exe 21->34         started        36 conhost.exe 23->36         started        38 conhost.exe 25->38         started        file8 signatures9 process10 signatures11 85 Tries to steal Instant Messenger accounts or passwords 27->85 87 Tries to steal Mail credentials (via file / registry access) 27->87 89 Tries to harvest and steal browser information (history, passwords, etc) 40->89 42 WerFault.exe 11 40->42         started        45 WerFault.exe 23 11 40->45         started        47 WerFault.exe 40->47         started        49 WerFault.exe 40->49         started        process12 dnsIp13 63 192.168.2.1 unknown unknown 42->63
Threat name:
ByteCode-MSIL.Trojan.Scarsi
Status:
Malicious
First seen:
2022-11-18 09:14:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
15 of 25 (60.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:freestyle persistence rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Reads user/profile data of web browsers
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
107.174.202.148:14207
Unpacked files
SH256 hash:
4cf11ad54be498183021511273fe5f55db969de5eac284073d5f46f6e21d60aa
MD5 hash:
f8d76bb2db69465a7bc969e28c672966
SHA1 hash:
c50d3dcc646cc9a6e350caf3276357f805644f3e
Detections:
Remcos win_remcos_auto
SH256 hash:
97c9d65e4869e059a62ef93177986b2fa1de74c474e8a54b9d0a9fcb8a4a6a9f
MD5 hash:
ef5c002985360ec69c2f4dd447a99e90
SHA1 hash:
a40009b47fb7dd70ed2ec073495b96bc169c0f55
SH256 hash:
32d552e53e852155b579b23d438872e59cea5ea918e0a06a3654edcd59c90c4e
MD5 hash:
0150e4c15f7a4f0ec531dabadafe1bed
SHA1 hash:
98a5da89ac9909fb3538f50e423965f9d9e0c695
SH256 hash:
7bd46b7c65926d301ef6d867258e13c68e9f6c8fc721cc541cf084aa0df47133
MD5 hash:
a5d90c7d3e393ee48132480fca1532cf
SHA1 hash:
7c533f9f322a6efd50de5e1c3551571eccf0f408
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:reverse_http
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
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 7bd46b7c65926d301ef6d867258e13c68e9f6c8fc721cc541cf084aa0df47133

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-11-19 04:29:22 UTC

url : hxxp://172.245.142.50/100/vbc.exe