MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7fe73c463ac777aa61709aa357a27b09d8faae7833219399c3a92c6f692c11f4. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7fe73c463ac777aa61709aa357a27b09d8faae7833219399c3a92c6f692c11f4
SHA3-384 hash: 50c8a4fcc3fbf1f3067ea309820fcb9a917e7d97cae573ab37ab4bac45cfa8dea21ae53c832c5f6130017cdab7f0c399
SHA1 hash: ade083c8ab00d5e4e88919861c7ab7985147668c
MD5 hash: fe0fbfd85342e5283bc8089a2435d0d8
humanhash: seven-pip-vermont-michigan
File name:SecuriteInfo.com.Win32.DropperX-gen.15579
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:10'752 bytes
First seen:2022-09-29 08:15:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 96:WkmcLmYnxI4U7poLR1M1mRY9+MRDYU8HL2KryAq5EwExoh1YdaKNH6Ny8BhzNt:W46CxPU7aLPMwOwaDYUjhAzSX9F
Threatray 2'121 similar samples on MalwareBazaar
TLSH T17522624BD3C95A76CD3B867EA94292B60264B341DCBD4E6E3474B913B9333C20562D2F
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 9b1979616969612b (42 x RemcosRAT, 6 x AgentTesla, 5 x Formbook)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/314632/
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.15579.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Creating a window
Reading critical registry keys
Creating a file in the %temp% directory
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Stealing user critical data
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63355445c9e2f343543122f2/reports/59dcc4cc-dd18-470b-9017-873c60334852/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/4fd29e3a-ff22-4bae-96de-002f76e5b9fb
Result
Threat name:
FormBook, Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1079833
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
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)
Maps a DLL or memory area into another process
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)
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)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 712390 Sample: SecuriteInfo.com.Win32.Drop... Startdate: 29/09/2022 Architecture: WINDOWS Score: 100 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus detection for URL or domain 2->57 59 Antivirus detection for dropped file 2->59 61 10 other signatures 2->61 7 SecuriteInfo.com.Win32.DropperX-gen.15579.exe 16 7 2->7         started        12 Soclexeh.exe 2->12         started        14 Soclexeh.exe 2->14         started        process3 dnsIp4 51 transfer.sh 144.76.136.153, 443, 49707, 49714 HETZNER-ASDE Germany 7->51 39 C:\Users\user\AppData\...\Soclexeh.exe, PE32 7->39 dropped 41 C:\Users\...\Soclexeh.exe:Zone.Identifier, ASCII 7->41 dropped 43 SecuriteInfo.com.W...X-gen.15579.exe.log, ASCII 7->43 dropped 75 Encrypted powershell cmdline option found 7->75 77 Writes to foreign memory regions 7->77 79 Injects a PE file into a foreign processes 7->79 16 aspnet_compiler.exe 2 18 7->16         started        21 powershell.exe 14 7->21         started        81 Multi AV Scanner detection for dropped file 12->81 83 Machine Learning detection for dropped file 12->83 file5 signatures6 process7 dnsIp8 45 obologs.work.gd 194.5.98.244, 4044, 49710, 49711 DANILENKODE Netherlands 16->45 47 geoplugin.net 178.237.33.50, 49713, 80 ATOM86-ASATOM86NL Netherlands 16->47 49 2 other IPs or domains 16->49 35 C:\Users\user\AppData\Local\Temp\dwn.exe, PE32 16->35 dropped 37 C:\Users\user\AppData\...\Uorgocnyd[1].exe, PE32 16->37 dropped 63 Maps a DLL or memory area into another process 16->63 23 dwn.exe 14 2 16->23         started        27 aspnet_compiler.exe 1 16->27         started        29 aspnet_compiler.exe 16->29         started        33 23 other processes 16->33 31 conhost.exe 21->31         started        file9 signatures10 process11 dnsIp12 53 transfer.sh 23->53 65 Antivirus detection for dropped file 23->65 67 Machine Learning detection for dropped file 23->67 69 Tries to steal Instant Messenger accounts or passwords 27->69 71 Tries to steal Mail credentials (via file / registry access) 27->71 73 Tries to harvest and steal browser information (history, passwords, etc) 33->73 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7fe73c463ac777aa61709aa357a27b09d8faae7833219399c3a92c6f692c11f4/
Threat name:
ByteCode-MSIL.Dropper.Sysn
Create hunting rule
Status:
Malicious
First seen:
2022-09-29 05:40:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
12 of 26 (46.15%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=p7ttyrr2y532uylqtkrvpit3bhmpvltygmqzhgodvewg62jmch2a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
2f53875cb56cc1a1f69655fcfca71ac0f952b8d582bda33e101d8b262e38d0f9
RemcosRAT
4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f
RemcosRAT
592f15fec50eda79baadcb6bc5c4cb79de60e5bb285f20fb8e8927477495f065
RemcosRAT
7f89f38c1c2a3e42e7fe2d1c286816361fe77aa49d1d474de200df6eb2dbda81
RemcosRAT
9432004daa7e7748848e802b7a769efe47f147d54fcad12471d03d261c3bc5c0
RemcosRAT
9d724226a2a3c8676d4a58b64b636d9dcc178c1d40fcf321309afa14505cf285
RemcosRAT
e1eb708f47303b831f6eb0ddc846e21782e8f727dcb0088fcb997c3bf0d4dbd3
RemcosRAT
+ 2'111 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:remcos botnet:remotehost campaign:hqbo collection persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220929-j55t4sbcak/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Downloads MZ/PE file
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Formbook
Remcos
Malware Config
C2 Extraction:
obologs.work.gd:4044
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8e16f3cb-1fe4-416e-8d28-88e3f2a49328
Unpacked files
SH256 hash:
7fe73c463ac777aa61709aa357a27b09d8faae7833219399c3a92c6f692c11f4
MD5 hash:
fe0fbfd85342e5283bc8089a2435d0d8
SHA1 hash:
ade083c8ab00d5e4e88919861c7ab7985147668c
Link:
https://www.unpac.me/results/b6c088b8-d88c-43e2-ae28-4ca8d612fecd/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7fe73c463ac7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/7fe73c463ac777aa61709aa357a27b09d8faae7833219399c3a92c6f692c11f4

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/314632/

Comments