MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49bc50c3b1ff689c3cbcfcf1f7d42f29547f15f4ab990dafc27f5eb4b562d446. 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 1 YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 49bc50c3b1ff689c3cbcfcf1f7d42f29547f15f4ab990dafc27f5eb4b562d446
SHA3-384 hash: dc661dc87cc96594b5b8a8a644cc5d8896962f76439ae93d13ac009ce615a0210ab8801cab4e0312ff60ed251cd1729a
SHA1 hash: d322cdc6f794c41109e77cebc876d193988c15fd
MD5 hash: aaef1552c3abb4bbca91340eb9f52955
humanhash: tennis-oscar-harry-batman
File name:Purchase Order.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:835'073 bytes
First seen:2022-06-07 15:39:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4d00ea591fbd8aea2327581d513e9ec9 (4 x RemcosRAT)
ssdeep 12288:mmS5A8V2lukXgzTvEKYKftiOQnFkjsY9IsnSCJkyKfxxCKraoSF:9IH2luDEKY3OQnFSznSmFK+doSF
Threatray 2'120 similar samples on MalwareBazaar
TLSH T153057D2EA54053F3D3761634DD0B76A855297AE0EE29784E3AEF1A4C0E3454C7E2BDC2
TrID 26.5% (.EXE) Win32 Executable Delphi generic (14182/79/4)
24.5% (.SCR) Windows screen saver (13101/52/3)
19.7% (.EXE) Win64 Executable (generic) (10523/12/4)
8.4% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
37.0.14.211:2555

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
37.0.14.211:2555 https://threatfox.abuse.ch/ioc/663714/

Intelligence

File Origin
# of uploads :
1
# of downloads :
374
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Purchase Order.exe
Verdict:
Malicious activity
Analysis date:
2022-06-07 16:38:10 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/4b4f1ad6-3fbd-4c01-9176-626aa08ab305

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/277455/
Detection(s):
SecuriteInfo.com.UDS.Backdoor.Win32.Remcos.gen.22316.23352.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe keylogger overlay replace.exe
Link:
https://www.filescan.io/uploads/629f715a5dc88d357168bb9c/reports/20ad4ef3-7efd-4ff1-a9a8-53476ee5674c/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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e5aa5608-0dbd-4358-a2d9-109ecda7683f
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1008351
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates a thread in another existing process (thread injection)
Delayed program exit found
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 640858 Sample: Purchase Order.exe Startdate: 07/06/2022 Architecture: WINDOWS Score: 100 30 www.sydlarremedies.com 2->30 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 3 other signatures 2->58 7 Purchase Order.exe 1 18 2->7         started        12 Wrwelncekg.exe 14 2->12         started        14 Wrwelncekg.exe 17 2->14         started        signatures3 process4 dnsIp5 32 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49740, 49752 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 7->32 34 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49739, 49744 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 7->34 40 3 other IPs or domains 7->40 24 C:\Users\Public\Libraries\Wrwelncekg.exe, PE32 7->24 dropped 26 C:\Users\...\Wrwelncekg.exe:Zone.Identifier, ASCII 7->26 dropped 60 Writes to foreign memory regions 7->60 62 Creates a thread in another existing process (thread injection) 7->62 64 Injects a PE file into a foreign processes 7->64 16 DpiScaling.exe 2 3 7->16         started        36 woey4a.am.files.1drv.com 12->36 42 2 other IPs or domains 12->42 66 Antivirus detection for dropped file 12->66 68 Multi AV Scanner detection for dropped file 12->68 70 Allocates memory in foreign processes 12->70 20 DpiScaling.exe 12->20         started        38 192.168.2.1 unknown unknown 14->38 44 3 other IPs or domains 14->44 22 DpiScaling.exe 14->22         started        file6 signatures7 process8 dnsIp9 28 www.sydlarremedies.com 37.0.14.211, 2555, 49771, 49772 WKD-ASIE Netherlands 16->28 46 Contains functionality to steal Chrome passwords or cookies 16->46 48 Contains functionality to steal Firefox passwords or cookies 16->48 50 Delayed program exit found 16->50 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/49bc50c3b1ff689c3cbcfcf1f7d42f29547f15f4ab990dafc27f5eb4b562d446/
Threat name:
Win32.Packed.Dico
Create hunting rule
Status:
Malicious
First seen:
2022-06-07 15:40:14 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
17 of 40 (42.50%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jg6fbq5r75ujypf47ty7pvbpffkh6fpuvomq3l6cp5pljnlc2rda._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
14b5591a47ed5ef3fd8fc47aaa65ea57cb2d88b8aa95b281b72cd2935bd7ad2d
RemcosRAT
7c46360bc0f882b7d7a6603ce5f141914e645b4afb7f4951cc3e29d76908c518
RemcosRAT
81b648fca4135b631044dd68aee71ee704dcc930ae635658b9438585c5dc6b90
RemcosRAT
99e39ef9a5267ed9790fbef614fa3a0054025c1cb866295e9e320bc95b128280
RemcosRAT
9c9243f11dd44d1f1ac97716014be57244dca97a514e73d5f13da03392cba358
RemcosRAT
d3b0ff3262302f0478cdc55f8d77d9d7c999255282a3181bd6cc09a252077ee9
RemcosRAT
d4729baa39aa4e1052e0999c90450a4cdcd4c4e3831c9a791fb99b94036103b4
RemcosRAT
+ 2'110 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:new-remcosfile persistence rat trojan
Link:
https://tria.ge/reports/220607-s38mnaefel/
Behaviour
Modifies system certificate store
Suspicious use of WriteProcessMemory
Adds Run key to start application
ModiLoader Second Stage
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
www.sydlarremedies.com:2555
Unpacked files
SH256 hash:
0b4b7d7628499c9d0c62562dc64f22baf5390cd32f71e0317c259511ae85b5b6
MD5 hash:
d6e8fb9c9383709a7475144fbc74cb44
SHA1 hash:
3dc32f98eb13d725511b64924730132883ad3591
Link:
https://www.unpac.me/results/5a9580b1-a7e9-4ba6-9f68-b87c5677fdb8/
SH256 hash:
49bc50c3b1ff689c3cbcfcf1f7d42f29547f15f4ab990dafc27f5eb4b562d446
MD5 hash:
aaef1552c3abb4bbca91340eb9f52955
SHA1 hash:
d322cdc6f794c41109e77cebc876d193988c15fd
Link:
https://www.unpac.me/results/5a9580b1-a7e9-4ba6-9f68-b87c5677fdb8/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/49bc50c3b1ff/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.94
Link:
https://yomi.yoroi.company/submissions/49bc50c3b1ff689c3cbcfcf1f7d42f29547f15f4ab990dafc27f5eb4b562d446

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

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/277455/

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