MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8be324c37f356ce39300e054d452a5d5aa215449a25f431371aab8585d234d2b. 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: 16


Intelligence 16 IOCs YARA 16 File information Comments
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SHA256 hash: 8be324c37f356ce39300e054d452a5d5aa215449a25f431371aab8585d234d2b
SHA3-384 hash: 032a387cb42a5edd3a5aeb2908735d7bec1ddc158e28ceb53719c251a606ff1e580a22593f3b2775d66ac661e117a8e3
SHA1 hash: 51223c629345eb969f8f56abcc6a11792178ff77
MD5 hash: 119eaa1129f88196cae8f81a75ab8b31
humanhash: florida-speaker-eight-cat
File name:TNT Original Invoice.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'048'064 bytes
First seen:2023-09-28 16:27:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:ToMSdOp+dBHPdYBtO+mMP7tyUKVdZ39sakOzwsHru:kMDpQH2/OdP4a98ea
Threatray 2'614 similar samples on MalwareBazaar
TLSH T14B25F2A4B7AEDFBAD43917F8102011010BB2DE865613F7849C9E79FA9C31B026F55A37
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon b0cf4a4c4c4ccfb0 (31 x Formbook, 20 x RemcosRAT, 18 x AgentTesla)
Reporter abuse_ch
Tags:exe RemcosRAT TNT

Intelligence

File Origin
# of uploads :
1
# of downloads :
328
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
TNT Original Invoice.exe
Verdict:
Malicious activity
Analysis date:
2023-09-28 16:34:05 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/2856edea-ec6d-4559-95e0-8e87465885e2

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/451818/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6515a99233582f234e05fc53/reports/4b8f3140-83d2-49be-b841-5b992ced117d/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8be324c37f356ce39300e054d452a5d5aa215449a25f431371aab8585d234d2b
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:
Malicious
Link:
https://analyze.intezer.com/analyses/bfcb5011-ecaf-4670-8e8e-b771c103db09
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1315988
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1315988 Sample: TNT_Original_Invoice.exe Startdate: 28/09/2023 Architecture: WINDOWS Score: 100 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 12 other signatures 2->50 7 QQTpFQa.exe 5 2->7         started        10 TNT_Original_Invoice.exe 7 2->10         started        process3 file4 54 Antivirus detection for dropped file 7->54 56 Multi AV Scanner detection for dropped file 7->56 58 Contains functionality to bypass UAC (CMSTPLUA) 7->58 64 5 other signatures 7->64 13 schtasks.exe 1 7->13         started        15 QQTpFQa.exe 7->15         started        38 C:\Users\user\AppData\Roaming\QQTpFQa.exe, PE32 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmp1575.tmp, XML 10->40 dropped 60 Uses schtasks.exe or at.exe to add and modify task schedules 10->60 62 Adds a directory exclusion to Windows Defender 10->62 17 TNT_Original_Invoice.exe 3 3 10->17         started        22 powershell.exe 21 10->22         started        24 powershell.exe 21 10->24         started        26 schtasks.exe 1 10->26         started        signatures5 process6 dnsIp7 28 conhost.exe 13->28         started        42 167.114.189.33, 2404 OVHFR Canada 17->42 36 C:\ProgramData\remcos\logs.dat, data 17->36 dropped 52 Installs a global keyboard hook 17->52 30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        file8 signatures9 process10
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8be324c37f356ce39300e054d452a5d5aa215449a25f431371aab8585d234d2b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-09-25 08:57:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rprsjq37gvwoheya4bkniuvf2wvccvcjujpuge3rvk4fqxjdjuvq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
4f4a8ff83672c8134227742b12e228e512d32e3c3dabb8e96bdc6b28628d3d26
RemcosRAT
6c17244fb01d8a66bce39e0c2ba32293c8c955de7afeb0db1fb0da7814039206
RemcosRAT
8278a87cb192844a46818c28aba0106879e1c368366fc52064d2c7943f3f197b
RemcosRAT
8851e86e484da01c9cc4aafb401df05999ea4d61c128a236ef9d002a13aeda78
RemcosRAT
91755d1873b073b6799b3eb655e69847c08f4a932963a2dba60bb18296710a68
RemcosRAT
bd9df3adf1e6c84fcab2206d63d2f02e3f1ce1b715c09459d21ff47c09cac2f8
RemcosRAT
ca3eaa04774a75d793a2e06e566457f10e464d92dd1f193413ad285981773a96
RemcosRAT
+ 2'604 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/230928-tymp3aeb89/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
167.114.189.33:2404
Unpacked files
SH256 hash:
0c65cc63943ef047c4604d51017264cb699337750d110c3b9558c3b6d9b218d0
MD5 hash:
d3dbba0102a129dfd4009d5886d9f11b
SHA1 hash:
8e9a6b10047ba4e99e82a9b09bd79335830e74a6
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/04cb00ed-a2b8-474d-99ac-39e6ac117345/
Parent samples :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 hash:
513d832b6414ca92f71ea7abb910113140519f343c8fee079825d19bec37cae6
MD5 hash:
128feef2cd97a2ee0d369655ab39f214
SHA1 hash:
90d82fff31ca1510bdc670c400faa2893c918341
Link:
https://www.unpac.me/results/04cb00ed-a2b8-474d-99ac-39e6ac117345/
SH256 hash:
abed99881ce1e05907653d1697ae232575d0cf067fd5cc646e2e5ee9f7337c82
MD5 hash:
491a7170bd8a7ed81d03a64ff2598bdf
SHA1 hash:
8325a5bccba80878a14032c06b78b34db808b910
Link:
https://www.unpac.me/results/04cb00ed-a2b8-474d-99ac-39e6ac117345/
SH256 hash:
d3856c20b68446400b9e2d6b3523b853cb099c2c54c7ca4ec1ed0efcd38a82e9
MD5 hash:
3b33310caf37efcd2e8057637a8a5192
SHA1 hash:
7ab8e6651da06f1b88135becb0a6ea353ebf157b
Link:
https://www.unpac.me/results/04cb00ed-a2b8-474d-99ac-39e6ac117345/
SH256 hash:
8be324c37f356ce39300e054d452a5d5aa215449a25f431371aab8585d234d2b
MD5 hash:
119eaa1129f88196cae8f81a75ab8b31
SHA1 hash:
51223c629345eb969f8f56abcc6a11792178ff77
Link:
https://www.unpac.me/results/04cb00ed-a2b8-474d-99ac-39e6ac117345/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8be324c37f35/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/8be324c37f356ce39300e054d452a5d5aa215449a25f431371aab8585d234d2b

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

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/451818/

Comments