MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52d4cc0f07a62e6d37c82b33480131cc2c1d5b83d11104997f06cac4d8876f5d. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 52d4cc0f07a62e6d37c82b33480131cc2c1d5b83d11104997f06cac4d8876f5d
SHA3-384 hash: c66320c469f622d6c6587c96da30952f95094dbee0a0f3a90c167b8d96607add8b419c97add7f7672358c67aecbe04c6
SHA1 hash: 373c6256339023c584db4f13bc3f856a30c3cabe
MD5 hash: b0f70946dc03f74519457537d9bcf0ef
humanhash: oregon-georgia-purple-bravo
File name:OVERDUE PAYMENT.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:510'400 bytes
First seen:2023-02-13 11:59:07 UTC
Last seen:2023-02-13 13:29:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:FYIVcKxsozwYGYAq3nArsgYUY72y+PrXH6Yi:FY2t2gwYbvwXYUI2fHM
TLSH T16AB42318A2F4C497FCC369763FBBC82E0FF5B44368149A0B37658558BC725D281A6F91
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 f4f679b179698cd4 (17 x RemcosRAT, 4 x SnakeKeylogger, 2 x NanoCore)
Reporter madjack_red
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
221
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
OVERDUE PAYMENT.exe
Verdict:
Malicious activity
Analysis date:
2023-02-13 12:00:29 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/c6b6ef4b-9d23-437d-82c5-26b50939b529

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/365027/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.65437854.31808.28072.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Searching for the window
Sending a custom TCP request
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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/69023/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
83%
Tags:
overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/63ea2643f94334e00853e7ea/reports/0b860a95-b565-4309-9091-7fb9051ef4d0/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/52d4cc0f07a62e6d37c82b33480131cc2c1d5b83d11104997f06cac4d8876f5d
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/614886f1-517f-4b9d-8353-ea1c192c9c8c
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1173334
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
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)
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
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
Sigma detected: Remcos
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 806122 Sample: OVERDUE PAYMENT.exe Startdate: 13/02/2023 Architecture: WINDOWS Score: 100 41 ucremcz1.ddns.net 2->41 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 6 other signatures 2->59 8 OVERDUE PAYMENT.exe 19 2->8         started        11 nmdavrpjtcgwp.exe 1 2->11         started        14 nmdavrpjtcgwp.exe 1 2->14         started        signatures3 process4 file5 37 C:\Users\user\AppData\Local\Temp\lzkmb.exe, PE32 8->37 dropped 16 lzkmb.exe 1 3 8->16         started        61 Multi AV Scanner detection for dropped file 11->61 20 WerFault.exe 10 11->20         started        22 conhost.exe 11->22         started        24 WerFault.exe 4 10 14->24         started        26 conhost.exe 14->26         started        signatures6 process7 file8 35 C:\Users\user\AppData\...\nmdavrpjtcgwp.exe, PE32 16->35 dropped 45 Multi AV Scanner detection for dropped file 16->45 47 Detected unpacking (changes PE section rights) 16->47 49 Detected unpacking (overwrites its own PE header) 16->49 51 5 other signatures 16->51 28 lzkmb.exe 2 3 16->28         started        33 conhost.exe 16->33         started        signatures9 process10 dnsIp11 43 ucremcz1.ddns.net 185.16.39.117, 1823, 49696, 49697 PL-SKYTECH-ASPL Poland 28->43 39 C:\Users\user\AppData\Roaming\...\logs.dat, data 28->39 dropped 63 Installs a global keyboard hook 28->63 file12 signatures13
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/52d4cc0f07a62e6d37c82b33480131cc2c1d5b83d11104997f06cac4d8876f5d/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-02-10 11:43:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=klkmydyhuyxg2n6ifmzuqajrzqwb2w4d2eiqjgl7a3fmjwehn5oq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:uc persistence rat
Link:
https://tria.ge/reports/230213-n6a4cace21/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
ucremcz1.ddns.net:1823
Unpacked files
SH256 hash:
c2296809155417083c5c50349b1c817a942c72a3411251fbcd6900558be81ed1
MD5 hash:
2dbb39ff68e2110693f6fa79a766c3be
SHA1 hash:
6eccdf701150d004c49aff4070f0f34c16ae1a0b
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/075a37ed-19ec-434b-ae5d-d233fcd52138/
Parent samples :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 hash:
f0e9b2a827b79b610136b6bcdd508d0a086f94165ac23eefb1992371076f5dd4
MD5 hash:
3edc861d2a5b3419a84a5308c5fd4234
SHA1 hash:
2d5184ed41e9ba18deb4a7b18dd8fecd33595c36
Link:
https://www.unpac.me/results/075a37ed-19ec-434b-ae5d-d233fcd52138/
SH256 hash:
52d4cc0f07a62e6d37c82b33480131cc2c1d5b83d11104997f06cac4d8876f5d
MD5 hash:
b0f70946dc03f74519457537d9bcf0ef
SHA1 hash:
373c6256339023c584db4f13bc3f856a30c3cabe
Link:
https://www.unpac.me/results/075a37ed-19ec-434b-ae5d-d233fcd52138/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/52d4cc0f07a6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/52d4cc0f07a62e6d37c82b33480131cc2c1d5b83d11104997f06cac4d8876f5d

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:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
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
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
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/365027/

Comments