MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6234e49bf7956d3dcceda1ef8e631c3794df29a6a29afa2e2a1dfa18abbd1153. 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: 19


Intelligence 19 IOCs YARA File information Comments

SHA256 hash: 6234e49bf7956d3dcceda1ef8e631c3794df29a6a29afa2e2a1dfa18abbd1153
SHA3-384 hash: 6b54e1b64c2843f1f1111765ee2d9b748675fc72a2482adc14bdde863cd8fbdce9a40d1c30cd81b0101a25bbbdcb4eb9
SHA1 hash: 70cce95d5ad09c0baad88ae9272b21404c87b6c6
MD5 hash: d4f04110544e5d112017dd768cdf22bf
humanhash: bulldog-oven-cola-maine
File name:Richiedi 9901674656_20231218.pdf(68KB).exe
Download: download sample
Signature RemcosRAT
File size:553'803 bytes
First seen:2023-12-19 14:22:10 UTC
Last seen:2023-12-19 16:16:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b1a57b635b23ffd553b3fd1e0960b2bd (39 x Formbook, 29 x Loki, 27 x AgentTesla)
ssdeep 12288:c9oE/kFM5MdQYpINQP6h39a5zyeyunW45eoiJaH1A:czkFM+n18olW45e7aS
TLSH T1C7C42331A9C2C433F44252735EF74A52C1FD182952A8C3A3ABD05C7B6F786C96D6EE42
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
327
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
c2cb54f37b0b2d9930602c3bd6078b03.msg
Verdict:
Malicious activity
Analysis date:
2023-12-20 02:53:47 UTC
Tags:
keylogger rat remcos remote stealer

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 file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control installer lokibot lolbin overlay packed shell32
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:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to modify clipboard data
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Sample uses process hollowing technique
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)
Tries to steal Mail credentials (via file registry)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1364558 Sample: Richiedi_9901674656_2023121... Startdate: 19/12/2023 Architecture: WINDOWS Score: 100 43 igw.myfirewall.org 2->43 45 geoplugin.net 2->45 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for URL or domain 2->63 65 7 other signatures 2->65 9 Richiedi_9901674656_20231218.pdf(68KB).exe 18 2->9         started        12 pyienjrbwg.exe 2->12         started        15 pyienjrbwg.exe 2->15         started        signatures3 process4 file5 39 C:\Users\user\AppData\Local\...\xgjldczz.exe, PE32 9->39 dropped 17 xgjldczz.exe 1 2 9->17         started        71 Antivirus detection for dropped file 12->71 73 Multi AV Scanner detection for dropped file 12->73 75 Contains functionality to bypass UAC (CMSTPLUA) 12->75 81 9 other signatures 12->81 21 pyienjrbwg.exe 12->21         started        77 Maps a DLL or memory area into another process 15->77 79 Sample uses process hollowing technique 15->79 23 pyienjrbwg.exe 15->23         started        signatures6 process7 file8 37 C:\Users\user\AppData\...\pyienjrbwg.exe, PE32 17->37 dropped 51 Antivirus detection for dropped file 17->51 53 Multi AV Scanner detection for dropped file 17->53 55 Contains functionality to bypass UAC (CMSTPLUA) 17->55 57 13 other signatures 17->57 25 xgjldczz.exe 3 16 17->25         started        signatures9 process10 dnsIp11 47 igw.myfirewall.org 91.92.252.201, 2404, 49729, 49730 THEZONEBG Bulgaria 25->47 49 geoplugin.net 178.237.33.50, 49731, 80 ATOM86-ASATOM86NL Netherlands 25->49 41 C:\ProgramData\outlook\logs.dat, data 25->41 dropped 67 Maps a DLL or memory area into another process 25->67 69 Installs a global keyboard hook 25->69 30 xgjldczz.exe 1 25->30         started        33 xgjldczz.exe 1 25->33         started        35 xgjldczz.exe 2 25->35         started        file12 signatures13 process14 signatures15 83 Tries to steal Instant Messenger accounts or passwords 30->83 85 Tries to steal Mail credentials (via file / registry access) 30->85 87 Tries to harvest and steal browser information (history, passwords, etc) 33->87
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2023-12-19 12:18:04 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:fresh collection persistence rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
igw.myfirewall.org:2404
Unpacked files
SH256 hash:
a2eb878fc34e3c6cfa3ba3bd04e2df74841d1f8a4109395b0f49b86aae3b90a5
MD5 hash:
7e688e73711a856ed5b7fa3463170440
SHA1 hash:
ce2638d8d774a672161f4492dcbbd233f89911ad
Detections:
Remcos win_remcos_w0 win_remcos_auto malware_windows_remcos_rat INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM win_remcos_rat_unpacked
SH256 hash:
66e38339545b0423614365715b0afdcd558e8450a4cfe020ad65ca12ae2e2f9b
MD5 hash:
064b3c72e203af3173e4901e40251dd3
SHA1 hash:
c3543325f64ebe6f53e554a19d3a79a950878160
SH256 hash:
6234e49bf7956d3dcceda1ef8e631c3794df29a6a29afa2e2a1dfa18abbd1153
MD5 hash:
d4f04110544e5d112017dd768cdf22bf
SHA1 hash:
70cce95d5ad09c0baad88ae9272b21404c87b6c6
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Executable exe 6234e49bf7956d3dcceda1ef8e631c3794df29a6a29afa2e2a1dfa18abbd1153

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments