MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c046fc938166fd34c8041ff7c93f98f0ac3f68486aa844178e720c14dbbde625. 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: c046fc938166fd34c8041ff7c93f98f0ac3f68486aa844178e720c14dbbde625
SHA3-384 hash: 581e3df2e1aafa773ee3b5d1602a0bff542580eefa469f249ed6bfbff6dcefe42301f2859f81b51817c21d651228030a
SHA1 hash: 7b40fd28569cd4517c3a6bb91ce11a7e26cde71c
MD5 hash: f72d0995ccf16a2481cb2966e3e05f19
humanhash: sink-robert-carpet-failed
File name:AIF 500 unit Distribution 2018ECA - ProfoInve.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'009'664 bytes
First seen:2022-10-15 14:28:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:DR7Vgp6llBxZ/sAu0ximzRLQgR//Y0ceWaJKv6gQuF:DR79lP5HRLQgR/g0ceLcCgQg
TLSH T164259DF2BF847462CA7D93B211543820D6729E8AC5CEC68C149EF1EE77762E139C2857
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 486074b096b666a0 (1 x RemcosRAT)
Reporter 0xToxin
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
372
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/320595/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.23440.18466.8201.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Running batch commands
Launching a process
Creating a file
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/634ac377fdf6478a15af1c7b/reports/cdba02a4-d59c-4f66-998a-740f3eae38bc/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/88245e91-171c-4664-bc3d-1aa8baaf4405
Result
Threat name:
Remcos, DarkTortilla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1091209
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Sigma detected: Remcos
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected DarkTortilla Crypter
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 723820 Sample: AIF 500 unit Distribution 2... Startdate: 15/10/2022 Architecture: WINDOWS Score: 100 64 Multi AV Scanner detection for domain / URL 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Antivirus detection for URL or domain 2->68 70 8 other signatures 2->70 8 AIF 500 unit Distribution 2018ECA - ProfoInve.exe 15 4 2->8         started        13 WindowsWorkflowselection.exe 14 3 2->13         started        15 WindowsWorkflowselection.exe 2->15         started        process3 dnsIp4 58 www.google.com 142.250.203.100, 443, 49708, 49711 GOOGLEUS United States 8->58 52 AIF 500 unit Distr...- ProfoInve.exe.log, ASCII 8->52 dropped 78 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->78 17 cmd.exe 3 8->17         started        21 cmd.exe 1 8->21         started        80 Multi AV Scanner detection for dropped file 13->80 82 Machine Learning detection for dropped file 13->82 84 Writes to foreign memory regions 13->84 23 AddInProcess32.exe 13->23         started        86 Injects a PE file into a foreign processes 15->86 26 AddInProcess32.exe 15->26         started        file5 signatures6 process7 dnsIp8 46 C:\Users\...\WindowsWorkflowselection.exe, PE32 17->46 dropped 48 WindowsWorkflowsel...exe:Zone.Identifier, ASCII 17->48 dropped 72 Uses ping.exe to sleep 17->72 28 WindowsWorkflowselection.exe 2 17->28         started        32 conhost.exe 17->32         started        34 PING.EXE 1 17->34         started        36 PING.EXE 1 17->36         started        74 Uses ping.exe to check the status of other devices and networks 21->74 38 PING.EXE 1 21->38         started        40 conhost.exe 21->40         started        42 reg.exe 1 1 21->42         started        54 91.193.75.188, 49719, 60005 DAVID_CRAIGGG Serbia 23->54 56 geoplugin.net 178.237.33.50, 49720, 80 ATOM86-ASATOM86NL Netherlands 23->56 50 C:\ProgramData\remcos\logs.dat, data 23->50 dropped 76 Installs a global keyboard hook 23->76 file9 signatures10 process11 dnsIp12 60 www.google.com 28->60 88 Writes to foreign memory regions 28->88 90 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->90 92 Injects a PE file into a foreign processes 28->92 44 AddInProcess32.exe 28->44         started        62 127.0.0.1 unknown unknown 38->62 signatures13 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c046fc938166fd34c8041ff7c93f98f0ac3f68486aa844178e720c14dbbde625/
Threat name:
ByteCode-MSIL.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-10-15 06:45:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
33
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ybdpze4bm36tjsaed734sp4y6cwd62cinkueif4ooigbjw554ysq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:manup persistence rat
Link:
https://tria.ge/reports/221015-rs1zdsffh7/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
91.193.75.188:60005
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/857fd9cd-bd02-4dda-bcb9-d852b30cbd7d
Unpacked files
SH256 hash:
c046fc938166fd34c8041ff7c93f98f0ac3f68486aa844178e720c14dbbde625
MD5 hash:
f72d0995ccf16a2481cb2966e3e05f19
SHA1 hash:
7b40fd28569cd4517c3a6bb91ce11a7e26cde71c
Link:
https://www.unpac.me/results/a556fa26-16b1-4027-927c-a98bc1f9020f/
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/c046fc938166fd34c8041ff7c93f98f0ac3f68486aa844178e720c14dbbde625

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.

Malspam

RemcosRAT

Executable exe c046fc938166fd34c8041ff7c93f98f0ac3f68486aa844178e720c14dbbde625

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/320595/

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