MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 483d7f7379d43c9fb3effb226cb58a443f48105bda3a9a6310a76729d7c1b3bd. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 483d7f7379d43c9fb3effb226cb58a443f48105bda3a9a6310a76729d7c1b3bd
SHA3-384 hash: 662457ebcecfe24cfa028f88518473bff7eadce10f72ebde3a6efd29bd7ef0a0fecad1162e2fa615ae915fed55ad3237
SHA1 hash: f170d704ec220a6ef1fe6f2c2f0f755909004c00
MD5 hash: 5dd0bedc7f6f9096ca5abf564a7901d9
humanhash: lemon-montana-charlie-triple
File name:10-15 - SO#9421 INV & PL 7245577630.scr
Download: download sample
Signature RemcosRAT
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File size:941'056 bytes
First seen:2023-10-05 12:59:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:4iM2/jjKqOW4hKAQc8MrmzwiysldDE0Igu95Pecpfj5hsLBpYCptgVkKnNAMYG:lLD40At88EysldD1Igu9xV5hyVtunNS
Threatray 405 similar samples on MalwareBazaar
TLSH T12315126176ED8B39E97947FD0238A90407B2BD2B3939E64C9CC671CE0A26F454760F17
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) (4505/5/1)
Reporter abuse_ch
Tags:exe RemcosRAT scr

Intelligence

File Origin
# of uploads :
1
# of downloads :
313
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2431.4091.31972.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/651eb3544d45a517a3420890/reports/054a32f8-1af6-4d90-9977-567ebb4501ca/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/483d7f7379d43c9fb3effb226cb58a443f48105bda3a9a6310a76729d7c1b3bd
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/afd842ee-7e5d-4187-8c26-7f750e92c96e
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/1320293
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
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
Injects a PE file into a foreign processes
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 submitted file
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)
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 dnsIp2 2 Behavior Graph ID: 1320293 Sample: 10-15_-_SO#9421_INV_&_PL_72... Startdate: 05/10/2023 Architecture: WINDOWS Score: 100 24 geoplugin.net 2->24 30 Found malware configuration 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus detection for URL or domain 2->34 36 9 other signatures 2->36 8 10-15_-_SO#9421_INV_&_PL_7245577630.scr.exe 3 2->8         started        signatures3 process4 signatures5 38 Contains functionality to bypass UAC (CMSTPLUA) 8->38 40 Tries to steal Mail credentials (via file registry) 8->40 42 Contains functionalty to change the wallpaper 8->42 44 7 other signatures 8->44 11 10-15_-_SO#9421_INV_&_PL_7245577630.scr.exe 3 13 8->11         started        process6 dnsIp7 26 104.250.180.178, 49690, 49691, 7902 M247GB United States 11->26 28 geoplugin.net 178.237.33.50, 49692, 80 ATOM86-ASATOM86NL Netherlands 11->28 46 Maps a DLL or memory area into another process 11->46 15 10-15_-_SO#9421_INV_&_PL_7245577630.scr.exe 1 11->15         started        18 10-15_-_SO#9421_INV_&_PL_7245577630.scr.exe 1 11->18         started        20 10-15_-_SO#9421_INV_&_PL_7245577630.scr.exe 2 11->20         started        22 3 other processes 11->22 signatures8 process9 signatures10 48 Tries to steal Instant Messenger accounts or passwords 15->48 50 Tries to harvest and steal browser information (history, passwords, etc) 15->50 52 Tries to steal Mail credentials (via file / registry access) 18->52
Detection:
remcos
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Link:
https://mwdb.cert.pl/sample/483d7f7379d43c9fb3effb226cb58a443f48105bda3a9a6310a76729d7c1b3bd/
Threat name:
Win32.Backdoor.Remcos
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Status:
Malicious
First seen:
2023-10-05 09:20:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
21 of 35 (60.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ja6x643z2q6j7m7p7mrgznmkiq7uqec33i5juyyqu5tstv6bwo6q._file
Verdict:
malicious
Label(s):
remcos
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agenttesla
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Similar samples:
0f611b87697a816d5b37f745fa94c89315327ba3458c190fe41efd891ccd5196
RemcosRAT
1b06a2398764f23e43dd171d49500cdaa3251ea195ce2c6fc4dfc1067955bf3e
RemcosRAT
2d12bedd8d6cee6c6fbee5ccb9d7dd25fc6693d9d6a7a0207104f94b681b55aa
RemcosRAT
2f6f8d08fcf273fa79b7a13d3b24d4f71bbc9f2fdf6965afd737ccc0d5316429
RemcosRAT
4f4a8ff83672c8134227742b12e228e512d32e3c3dabb8e96bdc6b28628d3d26
RemcosRAT
7fd1e285f1e5ce2a63513d7122f54b4c02bec1645aab6ae3b74139a60805bd4c
RemcosRAT
8dd8b145ec24876f20be6dcbf4818b5e6d38a2b5cba55d19ea5590d14208d787
RemcosRAT
979b67124f30f347688897010f34abf0467a67516ba011c9601cf06a14be0432
RemcosRAT
d1e1c9332fa8a6bd045fd4ccfa11055a4e17d1cad72239aab2400870191c4185
RemcosRAT
f578f28a8a61cc7c6aa866daeb630e2f7d7a6bf4ab54a5a9a3962bcb1a5ed931
RemcosRAT
+ 395 additional samples on MalwareBazaar
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:remotehost collection rat spyware stealer
Link:
https://tria.ge/reports/231005-p8m2csbc31/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
104.250.180.178:7902
Unpacked files
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
Link:
https://www.unpac.me/results/87f57e4a-a37b-48c3-a75c-33556dc06645/
SH256 hash:
be4731e4aa22e9c1ad9a6a2da98c577b1364a8054523e06e7a63bffca5b7dc9b
MD5 hash:
068cafb9f364275abced607b81d88621
SHA1 hash:
d6801ee5be086ca38a87ed4b17355101410f77f2
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/87f57e4a-a37b-48c3-a75c-33556dc06645/
Parent samples :
4f4a8ff83672c8134227742b12e228e512d32e3c3dabb8e96bdc6b28628d3d26
483d7f7379d43c9fb3effb226cb58a443f48105bda3a9a6310a76729d7c1b3bd
SH256 hash:
af10a81d30ea6c14a0857caa64697f78672a941419d679b34eedb82e080ad46b
MD5 hash:
ec0b80883f0b18fb75a48dd18795f514
SHA1 hash:
afe9537c27362b6769a1df0ad414b8e58d34ea40
Link:
https://www.unpac.me/results/87f57e4a-a37b-48c3-a75c-33556dc06645/
SH256 hash:
8f3601042a98cdda5eac188356387af0efb2b77d7d0e1a89992d0803cf30f8a5
MD5 hash:
9c64aae237dbdd193e841dc147a331b8
SHA1 hash:
a139f825127a1619f10bc9102a83c38f8b709f99
Link:
https://www.unpac.me/results/87f57e4a-a37b-48c3-a75c-33556dc06645/
SH256 hash:
483d7f7379d43c9fb3effb226cb58a443f48105bda3a9a6310a76729d7c1b3bd
MD5 hash:
5dd0bedc7f6f9096ca5abf564a7901d9
SHA1 hash:
f170d704ec220a6ef1fe6f2c2f0f755909004c00
Link:
https://www.unpac.me/results/87f57e4a-a37b-48c3-a75c-33556dc06645/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/483d7f7379d4/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/483d7f7379d43c9fb3effb226cb58a443f48105bda3a9a6310a76729d7c1b3bd

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:NET
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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 483d7f7379d43c9fb3effb226cb58a443f48105bda3a9a6310a76729d7c1b3bd

(this sample)

  
Delivery method
Distributed via e-mail attachment

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