MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca9c5b008a075bbdb57a89b0aef111458f5f9c8ee21f279a06abc481d35ba324. 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: 17


Intelligence 17 IOCs YARA 10 File information Comments
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SHA256 hash: ca9c5b008a075bbdb57a89b0aef111458f5f9c8ee21f279a06abc481d35ba324
SHA3-384 hash: 1d4842a8b764fc1a421a49995840143331771437a024a178c7e5c66bd7f745397d291e1c68647011d7e1770fdc25ec2a
SHA1 hash: 4a1849e4239b29b4a3ee45a578741f327e09af52
MD5 hash: 18276fd81e82cac1d771951a7d505c7e
humanhash: iowa-yellow-mango-uniform
File name:SecuriteInfo.com.FileRepMalware.18185.9184
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:566'856 bytes
First seen:2023-08-28 13:38:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:vYVxXx+VffdRAtYnormhk7xMpIMAa49mY8fDJCShMAkXcS9LZMcU1:vYVx0x8Ioahk7OpFsmYaBhMPXc4mH1
Threatray 2'492 similar samples on MalwareBazaar
TLSH T164C4238237D0C226E8DB6A3016B99D6DEF5BE53C0960C7971BF02B197C303A15A5F365
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
305
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.FileRepMalware.18185.9184
Verdict:
Malicious activity
Analysis date:
2023-08-28 13:53:20 UTC
Tags:
rat remcos remote keylogger
Link:
https://app.any.run/tasks/85c43177-34ff-4281-9363-eab85eeb152f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/444935/
Detection(s):
Sanesecurity.Malware.28885.BadCo.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FileRepMalware.18185.9184.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
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
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
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed remcos shell32
Link:
https://www.filescan.io/uploads/64eca3901d3a8c6c12179690/reports/0384d591-9f70-4e6e-a007-8f7d3eb8b698/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ca9c5b008a075bbdb57a89b0aef111458f5f9c8ee21f279a06abc481d35ba324
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/06da157a-c779-4f49-a54f-2fe757aa2ea3
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1298724
Signature
Antivirus / Scanner detection for submitted sample
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 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)
Found malware configuration
Installs a global keyboard hook
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
Sigma detected: Remcos
Uses dynamic DNS services
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1298724 Sample: SecuriteInfo.com.FileRepMal... Startdate: 28/08/2023 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 8 other signatures 2->52 7 SecuriteInfo.com.FileRepMalware.18185.9184.exe 18 2->7         started        10 idmirbw.exe 2->10         started        13 idmirbw.exe 2->13         started        process3 file4 28 C:\Users\user\AppData\Local\...\amqaepd.exe, PE32 7->28 dropped 15 amqaepd.exe 1 2 7->15         started        56 Multi AV Scanner detection for dropped file 10->56 58 Detected unpacking (changes PE section rights) 10->58 60 Detected unpacking (overwrites its own PE header) 10->60 62 Machine Learning detection for dropped file 10->62 19 idmirbw.exe 10->19         started        64 Maps a DLL or memory area into another process 13->64 21 idmirbw.exe 13->21         started        signatures5 process6 file7 32 C:\Users\user\AppData\Roaming\...\idmirbw.exe, PE32 15->32 dropped 38 Multi AV Scanner detection for dropped file 15->38 40 Contains functionality to bypass UAC (CMSTPLUA) 15->40 42 Detected unpacking (changes PE section rights) 15->42 44 8 other signatures 15->44 23 amqaepd.exe 3 16 15->23         started        signatures8 process9 dnsIp10 34 obclondon.ddns.net 94.156.253.136, 4072, 49709 TECHNOFY-ASBG Bulgaria 23->34 36 geoplugin.net 178.237.33.50, 49710, 80 ATOM86-ASATOM86NL Netherlands 23->36 30 C:\ProgramData\remcos\logs.dat, data 23->30 dropped 54 Installs a global keyboard hook 23->54 file11 signatures12
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ca9c5b008a075bbdb57a89b0aef111458f5f9c8ee21f279a06abc481d35ba324/
Threat name:
Win32.Trojan.Garf
Create hunting rule
Status:
Malicious
First seen:
2023-08-28 12:35:29 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zkofwaeka5n33nl2rgyk54iriwhv7heo4ipspgqgvpcidu23umsa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
17927cf92cf25c048021f9517386f9a69936c8c03ac8afb18eac18e512e662a2
RemcosRAT
356397e5a8cede8dc9420b6f76ed565748382705ed55888b0a85a48e94ec2bc4
RemcosRAT
37f3dc0db96f235594f3e2153e851add6103e86a79b81722a130c592d1981f0a
RemcosRAT
3da90b636e39cd1f67e3542c60d813c6ff8152f7f740b3ef4ef086ef120836df
RemcosRAT
4b66b1c337c83ccb79e4862a7a32421fd75a565a59fee1f830d4aae55b64af9a
RemcosRAT
593cf342a669fcb1bff594bd8ce85fc112bc19d42f7fcb0932c9ac5cdf70d0d9
RemcosRAT
a54c57d081e28c09d26a5ef8d3b471af22e6b4ab2f65b1a89bb2a79c23872135
RemcosRAT
b06a8e80d889756ef8911732c42081cbeb224a37eb1cf75fa9b0607e2739698b
RemcosRAT
ce068c31fc36142145899195cf4dcb87d3dce15616bf9f60428f931d355c86d2
RemcosRAT
+ 2'482 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/230828-qxyt6abc89/
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:
obclondon.ddns.net:4072
obclondon.duckdns.org:4072
Unpacked files
SH256 hash:
aa387b11bec2d490956514c893600cd7a2ddfca0bc64821fc727747b62517023
MD5 hash:
3e402453631bf2f4d5870cdcac9d7f9f
SHA1 hash:
78b8f2547360aab85d48b6d884987a7f126df340
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/d29e7230-3c8f-4563-b0a9-a33975daddf3/
Parent samples :
6c17244fb01d8a66bce39e0c2ba32293c8c955de7afeb0db1fb0da7814039206
c06b82a4003da0da508dbad0b63fad050682b8490aefa104f4f9f016abb60fb6
ec901217558e77f2f449031a6a1190b1e99b30fa1bb8d8dabc3a99bc69833784
ca9c5b008a075bbdb57a89b0aef111458f5f9c8ee21f279a06abc481d35ba324
4dd39cd7e19df27e79b7aecf317eb2ff409a3d15c2abd470a055e11c3aeefb6d
SH256 hash:
d5dd0ef5889a2914827bce9e094f7736994149ae7c1fd6c8e0d63d6525aa8c17
MD5 hash:
4de16e4fc65b489ff75c4aaa013b1a80
SHA1 hash:
2a667a2fea1c85d3697ec9a4bb6c9684bb9f6ed1
Link:
https://www.unpac.me/results/d29e7230-3c8f-4563-b0a9-a33975daddf3/
SH256 hash:
ca9c5b008a075bbdb57a89b0aef111458f5f9c8ee21f279a06abc481d35ba324
MD5 hash:
18276fd81e82cac1d771951a7d505c7e
SHA1 hash:
4a1849e4239b29b4a3ee45a578741f327e09af52
Link:
https://www.unpac.me/results/d29e7230-3c8f-4563-b0a9-a33975daddf3/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ca9c5b008a07/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/ca9c5b008a075bbdb57a89b0aef111458f5f9c8ee21f279a06abc481d35ba324

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: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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

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/444935/

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