MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1f20f0bdd4738cc508084689dfdc0897cb9f5d7f798d66542d22b78921c43ac. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1f20f0bdd4738cc508084689dfdc0897cb9f5d7f798d66542d22b78921c43ac
SHA3-384 hash: d355cf579219521e3b920e308f95996e566f76e4b21565eaa7e0a5734c03971bba8000e2e78a06cd489d6a5853561f2c
SHA1 hash: d32c534078a9b21f5b6bc9dcf97746b5ee22733f
MD5 hash: d47cd2d4605ab2252667142533174e1d
humanhash: cold-beryllium-eight-ohio
File name:SecuriteInfo.com.Variant.MSILHeracles.52650.19851.5674
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:993'280 bytes
First seen:2022-11-27 09:33:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:vdl3rgn2avz3jUG1eIAJjbOXtyXvyzOYrpVeWl5R3SkY7:vzgnBhaOXty6qYnljF
Threatray 2'871 similar samples on MalwareBazaar
TLSH T1AE2523A2AD801C23DC931A361175ED95057BEF24FD2724059384732BCFFB6E62762E92
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 00071a1b52522920 (18 x RemcosRAT, 4 x Formbook, 1 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
265
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Variant.MSILHeracles.52650.19851.5674
Verdict:
Malicious activity
Analysis date:
2022-11-27 09:34:30 UTC
Tags:
rat remcos trojan
Link:
https://app.any.run/tasks/26894eea-b830-4c32-9942-f60b46e19933

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/339000/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.52650.19851.5674.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
Link:
https://www.filescan.io/uploads/63832f0b00c584752ee21580/reports/eba231f7-d482-429e-a2c5-1bb1f6a449e0/overview
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/f342d478-5516-4ef4-b22f-bdc4440e7767
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1121876
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Encrypted powershell cmdline option found
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Snort IDS alert for network traffic
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 754593 Sample: SecuriteInfo.com.Variant.MS... Startdate: 27/11/2022 Architecture: WINDOWS Score: 100 57 Snort IDS alert for network traffic 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 9 other signatures 2->63 7 SecuriteInfo.com.Variant.MSILHeracles.52650.19851.5674.exe 1 7 2->7         started        11 Ezgmyb.exe 4 2->11         started        14 Ezgmyb.exe 3 2->14         started        process3 dnsIp4 47 C:\Users\user\AppData\Roaming\...zgmyb.exe, PE32 7->47 dropped 49 C:\Users\user\...zgmyb.exe:Zone.Identifier, ASCII 7->49 dropped 51 SecuriteInfo.com.V....19851.5674.exe.log, ASCII 7->51 dropped 65 Encrypted powershell cmdline option found 7->65 67 Injects a PE file into a foreign processes 7->67 16 SecuriteInfo.com.Variant.MSILHeracles.52650.19851.5674.exe 2 7->16         started        19 powershell.exe 13 7->19         started        21 powershell.exe 7 7->21         started        55 192.168.2.1 unknown unknown 11->55 69 Antivirus detection for dropped file 11->69 71 Multi AV Scanner detection for dropped file 11->71 73 Machine Learning detection for dropped file 11->73 23 powershell.exe 7 11->23         started        25 powershell.exe 11->25         started        33 2 other processes 11->33 27 powershell.exe 14->27         started        29 powershell.exe 14->29         started        31 Ezgmyb.exe 14->31         started        file5 signatures6 process7 dnsIp8 53 46.183.216.163, 49699, 8107 DATACLUBLV Latvia 16->53 35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        45 conhost.exe 29->45         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1f20f0bdd4738cc508084689dfdc0897cb9f5d7f798d66542d22b78921c43ac/
Threat name:
ByteCode-MSIL.Trojan.RemcosRAT
Create hunting rule
Status:
Malicious
First seen:
2022-11-27 06:38:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=whza6c65i44myueaqruj37oarf6lt5ox66mnmzkc2ivxreq4iowa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
02d7ab6afcf9f15fba169e0d8491499cf27a87fba17a3afd80bd6e5873a9338f
RemcosRAT
15170d0dbe467efc4e38156ed4e03702ae19af44c100d7df7a75c6dbdb7ac587
RemcosRAT
34ff7d92c1c335d251ad12780ccc8fb3a10430fc20cfbb0ff55c40128ffe9a81
RemcosRAT
55f447e7b379e9332e0a455094ae5b45385f5ac2c2c1cc7234faa198f088e7c5
RemcosRAT
623b8e8bd35d6cd14fedbd4d4413a182c41ed764ce147ca3a8b479df4254883e
RemcosRAT
da2ecd61ea932ccab4bcfdeb3be25ad01a54765e5110ed47541ac29204276c83
RemcosRAT
+ 2'861 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:favour persistence rat
Link:
https://tria.ge/reports/221127-ljsc1abd5w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
46.183.216.163:8107
127.0.0.1:8107
10.26.173.68:8107
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f02d196c-20e9-4cec-a9b0-397c7c2acf16
Unpacked files
SH256 hash:
91582a69989acabd4e51b813aaae85bbe3a261d3bbdf9c5bec2dba43131d9429
MD5 hash:
5f0e9b1d7982234bbcf3b6d322273ea2
SHA1 hash:
3e93d0100c340f7a1d1cd61047af6389dce08971
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/4666e99b-57cd-4227-81da-dd3d91bf46fa/
Parent samples :
b7998afdd3784b6ef4128d34cc899377dd1c0457992b04ac71158cc3b6c9706c
df76218154f23a4c1c4dd04fe03fd8aa71b7a9952d77c1ac7cb0e6d944c7917f
b4de787d10b719474c2276e98e3471e5791aaec733cdc7259fc73b95ff602d7b
8af3401ca749e33217eca7aaeb904b7ef9d11ee8c4e1f28d884905c09ba66cbb
a760f8ab66668a69a921639dd9e44bf2bbac1084fd37ed1dc69b68e383c00253
c731fbba9859cc6b6d0f1cca4bce52221618c4f367b52d0c59e8fb9e4a321412
b1f20f0bdd4738cc508084689dfdc0897cb9f5d7f798d66542d22b78921c43ac
SH256 hash:
4470322e1fbb64b83fa42e2dae358361a59d6fece71f8fe6a7d9a23030bee873
MD5 hash:
59ba424258aa8f93e42f61a8cbbfd7b5
SHA1 hash:
02ac2ed55c3895d1f40e34525b7cccdf4a5dcd36
Link:
https://www.unpac.me/results/4666e99b-57cd-4227-81da-dd3d91bf46fa/
SH256 hash:
b1f20f0bdd4738cc508084689dfdc0897cb9f5d7f798d66542d22b78921c43ac
MD5 hash:
d47cd2d4605ab2252667142533174e1d
SHA1 hash:
d32c534078a9b21f5b6bc9dcf97746b5ee22733f
Link:
https://www.unpac.me/results/4666e99b-57cd-4227-81da-dd3d91bf46fa/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b1f20f0bdd47/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/b1f20f0bdd4738cc508084689dfdc0897cb9f5d7f798d66542d22b78921c43ac

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/339000/

Comments