MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 579436ed344fb30bf3a831868b541e55c61c4289275821d2f14c4bc71afc930b. 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: 15


Intelligence 15 IOCs YARA 13 File information Comments
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SHA256 hash: 579436ed344fb30bf3a831868b541e55c61c4289275821d2f14c4bc71afc930b
SHA3-384 hash: 5d8cabcf61cc4dc12dbe997b5579acd8e1c2bab63d5de1635e6b51a711c1bdfadd7721df2e61af851e749ce2b02dcc5a
SHA1 hash: 6f7736bd75b60d3b2a057bd23f2e6e83de4a648e
MD5 hash: 3b25472a5f6d419fe5b94945c3694850
humanhash: tennessee-leopard-nitrogen-freddie
File name:rooming list.exe
Download: download sample
Signature RemcosRAT
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File size:789'342 bytes
First seen:2023-10-18 14:40:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f4639a0b3116c2cfc71144b88a929cfd (96 x GuLoader, 53 x Formbook, 37 x VIPKeylogger)
ssdeep 24576:BfLzcnx3nMC9IeElOENY5v6vLs66oYg85B5:NkIeBEN5vo5g05
Threatray 2'661 similar samples on MalwareBazaar
TLSH T1F3F40121A75E8E63C4E131F39C7FB6464EE69D013F50B2AA062836D8F43F68BC1D6645
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 0750d8d4c4d85007 (2 x RemcosRAT, 1 x GuLoader)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
81.161.229.171:2404

Intelligence

File Origin
# of uploads :
1
# of downloads :
342
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/455711/
Detection(s):
SecuriteInfo.com.FileRepMalware.27561.28556.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
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
Creating a file
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control installer lolbin overlay packed remcos shell32
Link:
https://www.filescan.io/uploads/652fee7f368548c1702e7412/reports/5e05851b-9cc4-408b-80ba-26ce4c925eb8/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/579436ed344fb30bf3a831868b541e55c61c4289275821d2f14c4bc71afc930b
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9eabe980-0e9f-4db2-9abd-082e8edc046c
Result
Threat name:
Remcos
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Detection:
malicious
Classification:
n/a
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1328080
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Found malware configuration
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Snort IDS alert for network traffic
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1328080 Sample: rooming_list.exe Startdate: 18/10/2023 Architecture: WINDOWS Score: 100 35 logzhome.mywire.org 2->35 37 geoplugin.net 2->37 51 Snort IDS alert for network traffic 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 6 other signatures 2->57 8 rooming_list.exe 17 2->8         started        11 ienwsck.exe 2->11         started        14 ienwsck.exe 2->14         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\zamazikps.exe, PE32 8->31 dropped 16 zamazikps.exe 1 2 8->16         started        61 Contains functionality to bypass UAC (CMSTPLUA) 11->61 63 Contains functionalty to change the wallpaper 11->63 65 Contains functionality to steal Chrome passwords or cookies 11->65 69 3 other signatures 11->69 20 ienwsck.exe 11->20         started        67 Maps a DLL or memory area into another process 14->67 22 ienwsck.exe 14->22         started        signatures6 process7 file8 29 C:\Users\user\AppData\Roaming\...\ienwsck.exe, PE32 16->29 dropped 43 Contains functionality to bypass UAC (CMSTPLUA) 16->43 45 Contains functionalty to change the wallpaper 16->45 47 Contains functionality to steal Chrome passwords or cookies 16->47 49 5 other signatures 16->49 24 zamazikps.exe 3 16 16->24         started        signatures9 process10 dnsIp11 39 logzhome.mywire.org 81.161.229.171, 2404, 49745 CMCSUS Germany 24->39 41 geoplugin.net 178.237.33.50, 49746, 80 ATOM86-ASATOM86NL Netherlands 24->41 33 C:\ProgramData\remcos\logs.dat, data 24->33 dropped 59 Installs a global keyboard hook 24->59 file12 signatures13
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/579436ed344fb30bf3a831868b541e55c61c4289275821d2f14c4bc71afc930b
Detection:
remcos
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Link:
https://mwdb.cert.pl/sample/579436ed344fb30bf3a831868b541e55c61c4289275821d2f14c4bc71afc930b/
Threat name:
Win32.Trojan.Nsisx
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Status:
Malicious
First seen:
2023-10-18 14:41:05 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k6kdn3juj6zqx45iggdiwva6kxdbyquje5mcduxrjrf4ogx4smfq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
17927cf92cf25c048021f9517386f9a69936c8c03ac8afb18eac18e512e662a2
RemcosRAT
356397e5a8cede8dc9420b6f76ed565748382705ed55888b0a85a48e94ec2bc4
RemcosRAT
37f3dc0db96f235594f3e2153e851add6103e86a79b81722a130c592d1981f0a
RemcosRAT
3cb93d166196c1400e069fd437153d956df26d587c969c2c1a525874633a1e99
RemcosRAT
3da90b636e39cd1f67e3542c60d813c6ff8152f7f740b3ef4ef086ef120836df
RemcosRAT
69cb61375bae8db7278ca4adee488faea6723d8052270908010541c4850e8dcb
RemcosRAT
979b67124f30f347688897010f34abf0467a67516ba011c9601cf06a14be0432
RemcosRAT
ca9c5b008a075bbdb57a89b0aef111458f5f9c8ee21f279a06abc481d35ba324
RemcosRAT
ce068c31fc36142145899195cf4dcb87d3dce15616bf9f60428f931d355c86d2
RemcosRAT
+ 2'651 additional samples on MalwareBazaar
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:ik persistence rat
Link:
https://tria.ge/reports/231018-r2egrafc6t/
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:
logzhome.mywire.org:2404
Unpacked files
SH256 hash:
579436ed344fb30bf3a831868b541e55c61c4289275821d2f14c4bc71afc930b
MD5 hash:
3b25472a5f6d419fe5b94945c3694850
SHA1 hash:
6f7736bd75b60d3b2a057bd23f2e6e83de4a648e
Link:
https://www.unpac.me/results/e4813175-5b0a-4e2f-948a-420ccaf3f3df/
Malware family:
Remcos
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/579436ed344f/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/579436ed344fb30bf3a831868b541e55c61c4289275821d2f14c4bc71afc930b

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

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/455711/

Comments