MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 70543b4c967b3f474e895b299d778cd3b64e321f654ec02f580ff2d3ad7813e6. 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 28 File information Comments
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SHA256 hash: 70543b4c967b3f474e895b299d778cd3b64e321f654ec02f580ff2d3ad7813e6
SHA3-384 hash: 6bb51501a1350c21bb5fa4877b842d2e2514b10dbf0c762246723ea91cded48c879a68b48d6671a6c1cbada43aa632e0
SHA1 hash: c8755e286d7843dff7ef7f3e1323f09e77fcc068
MD5 hash: 0a6eacb38a29a10d266f26c336b93fb0
humanhash: single-ack-bakerloo-green
File name:PAYMENT NOTIFICATION.exe
Download: download sample
Signature RemcosRAT
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File size:920'064 bytes
First seen:2024-02-08 06:53:54 UTC
Last seen:2024-02-08 08:32:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:bTx7nA7TE87bxMASBV8/yG7GlPdzVGzOgNKW0etWTu+FaUYId:bTx7nA02+wlalPgZ8hTk6
TLSH T1E9152304B3CCD251E9BE37B979B6510916773D113330EF9CBAA594EA49A2B418C2CF72
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
311
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
70543b4c967b3f474e895b299d778cd3b64e321f654ec02f580ff2d3ad7813e6.exe
Verdict:
Malicious activity
Analysis date:
2024-02-08 06:59:18 UTC
Tags:
rat remcos remote keylogger
Link:
https://app.any.run/tasks/32133905-2dec-4b21-b030-01c7f818ee28

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/475290/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2511.6197.23960.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed remcos
Link:
https://www.filescan.io/uploads/65c47a91127ab8eb4101e2bb/reports/d07054e4-b11e-4da5-9471-42c34fc8f62d/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/70543b4c967b3f474e895b299d778cd3b64e321f654ec02f580ff2d3ad7813e6
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:
KeyBase
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a750a760-ad9c-432f-995a-c9422f1f58d8
Result
Threat name:
Remcos
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Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1388833
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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 dnsIp2 2 Behavior Graph ID: 1388833 Sample: PAYMENT NOTIFICATION.exe Startdate: 08/02/2024 Architecture: WINDOWS Score: 100 43 geoplugin.net 2->43 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 14 other signatures 2->55 8 KfEjLnwx.exe 5 2->8         started        11 PAYMENT NOTIFICATION.exe 7 2->11         started        signatures3 process4 file5 59 Multi AV Scanner detection for dropped file 8->59 61 Contains functionality to bypass UAC (CMSTPLUA) 8->61 63 Contains functionalty to change the wallpaper 8->63 69 5 other signatures 8->69 14 schtasks.exe 1 8->14         started        16 KfEjLnwx.exe 8->16         started        39 C:\Users\user\AppData\Roaming\KfEjLnwx.exe, PE32 11->39 dropped 41 C:\Users\user\AppData\Local\...\tmp7048.tmp, XML 11->41 dropped 65 Adds a directory exclusion to Windows Defender 11->65 67 Injects a PE file into a foreign processes 11->67 18 PAYMENT NOTIFICATION.exe 3 15 11->18         started        23 powershell.exe 23 11->23         started        25 schtasks.exe 1 11->25         started        27 3 other processes 11->27 signatures6 process7 dnsIp8 29 conhost.exe 14->29         started        45 89.249.73.162, 2479, 49706, 49719 M247GB United Kingdom 18->45 47 geoplugin.net 178.237.33.50, 49710, 80 ATOM86-ASATOM86NL Netherlands 18->47 37 C:\ProgramData\remcos\logs.dat, data 18->37 dropped 57 Installs a global keyboard hook 18->57 31 WmiPrvSE.exe 23->31         started        33 conhost.exe 23->33         started        35 conhost.exe 25->35         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/70543b4c967b3f474e895b299d778cd3b64e321f654ec02f580ff2d3ad7813e6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/70543b4c967b3f474e895b299d778cd3b64e321f654ec02f580ff2d3ad7813e6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2024-02-07 09:36:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=obkdwtewpm7uotujlmuz254m2o3e4mq7mvhmal2yb7znhllycpta._file
Verdict:
malicious
Label(s):
remcos
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Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:sthost rat
Link:
https://tria.ge/reports/240208-hn73gada23/
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:
89.249.73.162:2479
Unpacked files
SH256 hash:
6b7d0df4e9957781f9f9fd77da6281b6af0cbfe67c6414d055198ced98f8b9cf
MD5 hash:
42959209b4c35275e6dc764d0a9023ee
SHA1 hash:
697582259a16efd15e1573e6459911c83c45f8ba
Link:
https://www.unpac.me/results/b758a23c-95f4-491c-af18-dcec8a49444f/
SH256 hash:
8b7b83b23fdd4e1489212c361b2fd2dbaa3e9e72b9b7bef88611087dab62b320
MD5 hash:
dd89c9aba8a88008077a19ed03d84c82
SHA1 hash:
4e02785b128714dd4aa9531bfc29c9ccd84e4cf8
Link:
https://www.unpac.me/results/b758a23c-95f4-491c-af18-dcec8a49444f/
SH256 hash:
38e0c6d980305c75802c29c0296f16fe0e9d8ef0c387580096acbfb914a805a3
MD5 hash:
6d6dc9776d8f8feaf6f35048c87e3c85
SHA1 hash:
2a93098d71c171354d458ecabd97c5b2aca00cf4
Link:
https://www.unpac.me/results/b758a23c-95f4-491c-af18-dcec8a49444f/
SH256 hash:
5f7e634c3e7e703beb1aff63e044e119060770a78e5e475623bdb4412b72abd2
MD5 hash:
52b845aced1e9e909338ae049d85a400
SHA1 hash:
082461a36d7acf1362cd8755a50d400575deb764
Detections:
Remcos
Create hunting rule
win_remcos_w0
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win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
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INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
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Link:
https://www.unpac.me/results/b758a23c-95f4-491c-af18-dcec8a49444f/
Parent samples :
c0b13c8cf91f75fb3ae9448b92656ccf90dbf374855d10add7d8a972bdc5d5b4
70543b4c967b3f474e895b299d778cd3b64e321f654ec02f580ff2d3ad7813e6
11db56471fe5f1c245d9fa8f6cfb9a86bd2aeb444c38cfd1c8ef159ec539c065
d973dd4c64c7534cceca0abcd0781742364ea652c6abcbe8206977345b738a57
2400e5356331123e2b6f8f27c824c7850acf55c92ba6554c81883b9dc94570d5
efbde8c3fc0f8f18b6b2c93fae4c7aaaa137f866a9d112ebdc534b8477485261
3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772
SH256 hash:
70543b4c967b3f474e895b299d778cd3b64e321f654ec02f580ff2d3ad7813e6
MD5 hash:
0a6eacb38a29a10d266f26c336b93fb0
SHA1 hash:
c8755e286d7843dff7ef7f3e1323f09e77fcc068
Link:
https://www.unpac.me/results/b758a23c-95f4-491c-af18-dcec8a49444f/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/70543b4c967b/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/70543b4c967b3f474e895b299d778cd3b64e321f654ec02f580ff2d3ad7813e6

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:BLOWFISH_Constants
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Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DebuggerCheck__API
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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_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
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Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
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Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
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Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
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Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:TeslaCryptPackedMalware
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_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
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Author:Matthew @ Embee_Research
Rule name:yara_template
Create hunting rule

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Executable exe 70543b4c967b3f474e895b299d778cd3b64e321f654ec02f580ff2d3ad7813e6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/475290/

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