MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b06a2398764f23e43dd171d49500cdaa3251ea195ce2c6fc4dfc1067955bf3e. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b06a2398764f23e43dd171d49500cdaa3251ea195ce2c6fc4dfc1067955bf3e
SHA3-384 hash: 4d35e5e536c80e959833dc44f1022fbda3a169ad9568bfe1b8674ac20a1f8d27dc9107a8c4dd59ae44ca0cc709b35e01
SHA1 hash: 2bd2befef792717504e44f050594691c549aa7ba
MD5 hash: c9cf391d90881f5d0726e6d530a08525
humanhash: oven-hawaii-carolina-kilo
File name:SWIFT_MESSAGE_8100902281.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'128'448 bytes
First seen:2023-09-19 07:50:30 UTC
Last seen:2023-09-19 08:35:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:IUBwhnVCgtrDtYsi9nj2kErLHe4UUSKAWrVfpCPy+D+jBz:bwhno0Osi9j2kErrBU2hpCPy+a
Threatray 403 similar samples on MalwareBazaar
TLSH T18735DF8792044025FDB75A70A0A9CD5601236D766B70E7FE1C15B2EA04F3BF263A7B27
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 715a4c86d3c34176 (3 x AgentTesla, 1 x RemcosRAT)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
292
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/449591/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.19358.3384.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
Link:
https://www.filescan.io/uploads/650952e7935d595cf275be43/reports/1d134208-af4b-47ef-b24b-5e4b65b7d52a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1b06a2398764f23e43dd171d49500cdaa3251ea195ce2c6fc4dfc1067955bf3e
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/d62d7f3e-2622-4f00-929e-96aadb48d7c4
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1310606
Signature
.NET source code contains potential unpacker
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 modify clipboard data
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
Injects a PE file into a foreign processes
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
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
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
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1310606 Sample: SWIFT_MESSAGE_8100902281.exe Startdate: 19/09/2023 Architecture: WINDOWS Score: 100 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 10 other signatures 2->58 7 SWIFT_MESSAGE_8100902281.exe 7 2->7         started        11 vatqSfdmsJhplr.exe 5 2->11         started        process3 file4 42 C:\Users\user\AppData\...\vatqSfdmsJhplr.exe, PE32 7->42 dropped 44 C:\Users\user\AppData\Local\...\tmpCFDA.tmp, XML 7->44 dropped 60 Tries to steal Mail credentials (via file registry) 7->60 62 Uses schtasks.exe or at.exe to add and modify task schedules 7->62 64 Contains functionality to modify clipboard data 7->64 72 2 other signatures 7->72 13 SWIFT_MESSAGE_8100902281.exe 3 14 7->13         started        17 powershell.exe 21 7->17         started        19 powershell.exe 21 7->19         started        21 schtasks.exe 1 7->21         started        66 Multi AV Scanner detection for dropped file 11->66 68 Contains functionality to bypass UAC (CMSTPLUA) 11->68 70 Contains functionalty to change the wallpaper 11->70 74 4 other signatures 11->74 23 schtasks.exe 11->23         started        25 vatqSfdmsJhplr.exe 11->25         started        signatures5 process6 dnsIp7 46 163.123.143.32, 42199, 49712, 49713 ILIGHT-NETUS Reserved 13->46 48 127.0.0.1 unknown unknown 13->48 50 geoplugin.net 178.237.33.50, 49714, 80 ATOM86-ASATOM86NL Netherlands 13->50 82 Maps a DLL or memory area into another process 13->82 27 SWIFT_MESSAGE_8100902281.exe 13->27         started        30 SWIFT_MESSAGE_8100902281.exe 13->30         started        32 SWIFT_MESSAGE_8100902281.exe 13->32         started        34 conhost.exe 17->34         started        36 conhost.exe 19->36         started        38 conhost.exe 21->38         started        40 conhost.exe 23->40         started        signatures8 process9 signatures10 76 Tries to steal Instant Messenger accounts or passwords 27->76 78 Tries to steal Mail credentials (via file / registry access) 27->78 80 Tries to harvest and steal browser information (history, passwords, etc) 30->80
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1b06a2398764f23e43dd171d49500cdaa3251ea195ce2c6fc4dfc1067955bf3e/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-09-19 06:39:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dmdkeomhmtzd4q65c4ousuam3krskhvbsxhcy36e37aqm6kvx47a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0f611b87697a816d5b37f745fa94c89315327ba3458c190fe41efd891ccd5196
RemcosRAT
2d12bedd8d6cee6c6fbee5ccb9d7dd25fc6693d9d6a7a0207104f94b681b55aa
RemcosRAT
6333f3de90012f2acd3436fbd0bc2672a989238ccd7ea97a948c2f07f6397a9e
RemcosRAT
877371d8ae10433714781fc8187b21a9bd55e01738d1e701603118d1e2b89944
RemcosRAT
b96df82e2a9e14b2854a68e6645598e494aa818801a18384f2d81a2ff514824e
RemcosRAT
ba82a2d12cfee47fcfab1e288a80e1792e6a8e8260e7582b007221918aba0310
RemcosRAT
d1e1c9332fa8a6bd045fd4ccfa11055a4e17d1cad72239aab2400870191c4185
RemcosRAT
ea9723cd4dfeb319cedc75c0dd4cb5fa326b995580aee939085780092aafcda9
RemcosRAT
+ 393 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection rat spyware stealer
Link:
https://tria.ge/reports/230919-jps6dahf94/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
127.0.0.1:43991
127.0.0.1:42199
163.123.143.32:42199
163.123.143.32:43991
Unpacked files
SH256 hash:
4a8d70ece798fb6955e46bdb4b4813924a3bbcf205e585fd0aef148123a44489
MD5 hash:
3bcd5e9d69da03ebe27b9c2e472d9e8d
SHA1 hash:
aa268bd00ed60a5907b4b2a669ddd21a1b8bb4da
Link:
https://www.unpac.me/results/eca11893-06d3-4536-8aef-fcccb1edb21c/
SH256 hash:
a0b5f28301d54fbfa571d91b966a479760d9ceedd86e7970ed99912813427354
MD5 hash:
c1163ed445925aa78c786ec73edad191
SHA1 hash:
64f308b331f5b8a117a31c1a16d5c457912955e5
Link:
https://www.unpac.me/results/eca11893-06d3-4536-8aef-fcccb1edb21c/
SH256 hash:
2aae1e277dc8f0683865b2b11f1c46add5d4a05981eda6e5b80a1402dff9c11e
MD5 hash:
17f90b02584c191e59a87a4c520d9698
SHA1 hash:
6292cdb894dd857074b2151c22cd5b166b5a7831
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/eca11893-06d3-4536-8aef-fcccb1edb21c/
SH256 hash:
a93ab27d9bd9aa5b52288ff259e1dd2e8de2c873ee8fd5bbae64bca6f7624ce0
MD5 hash:
f2a2d829d920d375609a49544173df5a
SHA1 hash:
2af0e17de7935177d0a503ec980836fae9e17920
Link:
https://www.unpac.me/results/eca11893-06d3-4536-8aef-fcccb1edb21c/
SH256 hash:
1b06a2398764f23e43dd171d49500cdaa3251ea195ce2c6fc4dfc1067955bf3e
MD5 hash:
c9cf391d90881f5d0726e6d530a08525
SHA1 hash:
2bd2befef792717504e44f050594691c549aa7ba
Link:
https://www.unpac.me/results/eca11893-06d3-4536-8aef-fcccb1edb21c/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1b06a2398764/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/1b06a2398764f23e43dd171d49500cdaa3251ea195ce2c6fc4dfc1067955bf3e

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: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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

RemcosRAT

Executable exe 1b06a2398764f23e43dd171d49500cdaa3251ea195ce2c6fc4dfc1067955bf3e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/449591/

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