MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43ee9abd28c74e30fb9f976a611937d082ac0c1772f620e90087f038a406c89c. 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 2 File information Comments 1

SHA256 hash: 43ee9abd28c74e30fb9f976a611937d082ac0c1772f620e90087f038a406c89c
SHA3-384 hash: 50069fc27380380edf1166affaf36c55acc9a5f67e681b06e0c097d7c4474bbc08a9e49c501765441375d2a3ed79d940
SHA1 hash: 366769e993b359fa54b2079eafa6e88672c120b7
MD5 hash: 43b04665f11cc2694366f9a222e00b73
humanhash: bulldog-apart-leopard-river
File name:43b04665f11cc2694366f9a222e00b73
Download: download sample
Signature RemcosRAT
File size:873'472 bytes
First seen:2022-07-30 15:47:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:8vzBJuK+qI+D64at9BWdghJiD+WP0M691BOskMN3OykJXvPYuM/rHnBpRU2CvTy:6JYM64C6gviD9P0MKN3Oy+unBpKvu
Threatray 2'228 similar samples on MalwareBazaar
TLSH T15B05239C23655768DE7E07741420A3611B3CAB07AA22C3193FE525BB6CA73712F907DE
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
324
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
fareit packed remcos wacatac
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit 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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 676050 Sample: mW5I2mD7KN Startdate: 30/07/2022 Architecture: WINDOWS Score: 100 54 Multi AV Scanner detection for domain / URL 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 8 other signatures 2->60 10 mW5I2mD7KN.exe 3 2->10         started        14 iys.exe 2 2->14         started        16 iys.exe 2 2->16         started        process3 file4 48 C:\Users\user\AppData\...\mW5I2mD7KN.exe.log, ASCII 10->48 dropped 64 Contains functionality to steal Chrome passwords or cookies 10->64 66 Contains functionality to inject code into remote processes 10->66 68 Contains functionality to steal Firefox passwords or cookies 10->68 70 Delayed program exit found 10->70 18 mW5I2mD7KN.exe 4 4 10->18         started        72 Injects a PE file into a foreign processes 14->72 21 iys.exe 14->21         started        23 iys.exe 16->23         started        signatures5 process6 file7 42 C:\Users\user\AppData\Roaming\iys.exe, PE32 18->42 dropped 44 C:\Users\user\...\iys.exe:Zone.Identifier, ASCII 18->44 dropped 46 C:\Users\user\AppData\Local\...\install.vbs, data 18->46 dropped 25 wscript.exe 1 18->25         started        process8 process9 27 cmd.exe 1 25->27         started        process10 29 iys.exe 3 27->29         started        32 conhost.exe 27->32         started        signatures11 74 Multi AV Scanner detection for dropped file 29->74 76 Machine Learning detection for dropped file 29->76 78 Injects a PE file into a foreign processes 29->78 34 iys.exe 2 14 29->34         started        38 BackgroundTransferHost.exe 13 29->38         started        40 iys.exe 29->40         started        process12 dnsIp13 50 kingsley2022.bounceme.net 171.22.30.239, 3091, 49740 CMCSUS Germany 34->50 52 geoplugin.net 178.237.33.50, 49741, 80 ATOM86-ASATOM86NL Netherlands 34->52 62 Installs a global keyboard hook 34->62 signatures14
Threat name:
ByteCode-MSIL.Trojan.Mamut
Status:
Malicious
First seen:
2022-07-30 15:48:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
23 of 40 (57.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:malymoney persistence rat
Behaviour
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:
kingsley2022.bounceme.net:3091
Unpacked files
SH256 hash:
44743dda09e3d58941f2330a4e3d11641a9cd1cb41306f30dd2575a17ccaec19
MD5 hash:
4e48d643ecc61d79cbff0d725c81ad88
SHA1 hash:
9c53f29dcfb790898ec9d90b8a77547064786e4e
SH256 hash:
376f058c9bc15195e1fa2614fb0ae3469e9a39febef83d648ac47c3b9fc462bf
MD5 hash:
824898ebb75331de0f018eb9a0de2bee
SHA1 hash:
3fa5f197c857a90b7e08f30572792f0cb8166ac8
SH256 hash:
80d248eee8e03742d5d88989753dd4bef0e20eaea9aa515d86e9db2bb8bb92b3
MD5 hash:
cb93a6765ef4207da8b8c79b505d4438
SHA1 hash:
0ed4309acf74fdb716865a1332381a5e4712f273
SH256 hash:
cc3f4f00f9468a138840ac6bba0db32186b031cb8462db3ff97ceb805cc7ba29
MD5 hash:
93292eb6afdfd51c74ab53d93389bd10
SHA1 hash:
0ca19e74b755d3b6e2a02d40f8050a50f4e6e2c8
Detections:
win_remcos_auto
SH256 hash:
43ee9abd28c74e30fb9f976a611937d082ac0c1772f620e90087f038a406c89c
MD5 hash:
43b04665f11cc2694366f9a222e00b73
SHA1 hash:
366769e993b359fa54b2079eafa6e88672c120b7
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.

Web download

RemcosRAT

Executable exe 43ee9abd28c74e30fb9f976a611937d082ac0c1772f620e90087f038a406c89c

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-07-30 15:47:43 UTC

url : hxxp://79.110.62.213/MJR.exe