MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a83d25f3d81fad7452c41cfd2ae067dc47eeffa04b21d9fd515d0d95a6876eb9. 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: 17


Intelligence 17 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a83d25f3d81fad7452c41cfd2ae067dc47eeffa04b21d9fd515d0d95a6876eb9
SHA3-384 hash: 233a8a6caaf8fadc0e1314e9c629d3644398a743a364e1ef84679546406b453226f69be47bd75b40316557af8f774c28
SHA1 hash: 697a6119f6dc5a6a31a88e43d21b1d09c82d55dd
MD5 hash: c45fe13a7d5c10f240108d3786912fba
humanhash: high-apart-red-illinois
File name:Epiajhnsyxx.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'360'896 bytes
First seen:2023-02-08 14:25:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'653 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:hqgBqM4GDwz7FUNfIkCsBNokRolBYHnlV1NZu9+0Z2PCZGRsHjOZF0pSfTWcivYF:VV1N742goF0p
Threatray 2'326 similar samples on MalwareBazaar
TLSH T16E555FB454BB45E9E00FCA501BBCFDE901B679F3CCD60DA5836C76041FBAEA46E8450A
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 00870d1848c4cc20 (27 x RemcosRAT, 6 x Formbook, 1 x NanoCore)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
46.183.217.11:64702

Intelligence

File Origin
# of uploads :
1
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Epiajhnsyxx.exe
Verdict:
Malicious activity
Analysis date:
2023-02-08 14:27:22 UTC
Tags:
trojan rat remcos
Link:
https://app.any.run/tasks/98af8c96-8ac0-4975-b420-fe4fd7012d9d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/362006/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/63e3b0fc96add6d1cf4a19be/reports/4ac047be-4101-412d-a113-b228dedf4fc9/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a83d25f3d81fad7452c41cfd2ae067dc47eeffa04b21d9fd515d0d95a6876eb9
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/97939a72-3380-420f-bf44-18e78f8d61bd
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1168860
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
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
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 Costura Assembly Loader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 801645 Sample: Epiajhnsyxx.exe Startdate: 08/02/2023 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 10 other signatures 2->51 7 Epiajhnsyxx.exe 1 5 2->7         started        12 Ppqxgs.exe 2 2->12         started        14 Ppqxgs.exe 1 2->14         started        process3 dnsIp4 43 192.168.2.1 unknown unknown 7->43 35 C:\Users\user\AppData\Roaming\...\Ppqxgs.exe, PE32 7->35 dropped 37 C:\Users\user\...\Ppqxgs.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\...piajhnsyxx.exe.log, ASCII 7->39 dropped 53 Encrypted powershell cmdline option found 7->53 55 Injects a PE file into a foreign processes 7->55 16 Epiajhnsyxx.exe 2 7->16         started        19 powershell.exe 16 7->19         started        57 Antivirus detection for dropped file 12->57 59 Multi AV Scanner detection for dropped file 12->59 61 Machine Learning detection for dropped file 12->61 21 powershell.exe 13 12->21         started        23 Ppqxgs.exe 12->23         started        25 powershell.exe 12 14->25         started        27 Ppqxgs.exe 14->27         started        file5 signatures6 process7 dnsIp8 41 46.183.217.11, 49711, 64702 DATACLUBLV Latvia 16->41 29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 conhost.exe 25->33         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a83d25f3d81fad7452c41cfd2ae067dc47eeffa04b21d9fd515d0d95a6876eb9/
Threat name:
ByteCode-MSIL.Trojan.Scarsi
Create hunting rule
Status:
Malicious
First seen:
2023-02-08 14:26:07 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=va6sl46yd6wxiuwedt6svydh3rd6575ajmq5t7krlugzljuhn24q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
02d7ab6afcf9f15fba169e0d8491499cf27a87fba17a3afd80bd6e5873a9338f
RemcosRAT
34ff7d92c1c335d251ad12780ccc8fb3a10430fc20cfbb0ff55c40128ffe9a81
RemcosRAT
43833d212601474a32c2ea1f5920850c4011bec08a3c2df565231f87043a8318
RemcosRAT
6f40d67d72b406df5af87f9fde49179e16304d31f818502c91258577b9f7548f
RemcosRAT
d828a844f0248f23b180fe4810ac43f49168e2c232f6874b0c33e411586dd4f4
RemcosRAT
f6da498dfc065eb4123c6001d35e387d9591e5ca80908e92285c5dc73a27fa1c
RemcosRAT
+ 2'316 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:ossy persistence rat
Link:
https://tria.ge/reports/230208-rrve8aba2v/
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:
46.183.217.11:64702
127.0.0.1:64702
10.29.111.143:64702
Unpacked files
SH256 hash:
a0bd0859b42ba27fa872de8f9e05b876d70af3a782372a0788307a566c2bc025
MD5 hash:
ee32ec2571e61094131c1ad6dd08c38d
SHA1 hash:
f2e91e3d60e0376a0ec640dea68833d9e4990bdd
Link:
https://www.unpac.me/results/1beefe06-7b8f-47a8-a2ff-e278d06354a3/
SH256 hash:
08c1572918843a7794e4d1779f38c35569e0b1639ff8ffe982faccadea15bd6d
MD5 hash:
f657ec0d297d298570bba71ada696d59
SHA1 hash:
ccb2d7a98f7adc6e5735f583f5d1ec759aa04457
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/1beefe06-7b8f-47a8-a2ff-e278d06354a3/
SH256 hash:
a4b6fcfaea8f9b6d106fdad75d48c07a9bb0f9454d74105b3eaa07498f26dd41
MD5 hash:
4fd2a9aeae48a03c4d65454c5e291143
SHA1 hash:
c2f53d9fdb2e8b005e4a15b02485433bbe9aa1db
Link:
https://www.unpac.me/results/1beefe06-7b8f-47a8-a2ff-e278d06354a3/
SH256 hash:
a83d25f3d81fad7452c41cfd2ae067dc47eeffa04b21d9fd515d0d95a6876eb9
MD5 hash:
c45fe13a7d5c10f240108d3786912fba
SHA1 hash:
697a6119f6dc5a6a31a88e43d21b1d09c82d55dd
Link:
https://www.unpac.me/results/1beefe06-7b8f-47a8-a2ff-e278d06354a3/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a83d25f3d81f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/a83d25f3d81fad7452c41cfd2ae067dc47eeffa04b21d9fd515d0d95a6876eb9

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:ach_RemcosRAT
Create hunting rule
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:malware_Remcos_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_VBS_Wscript_Shell
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects the definition of 'Wscript.Shell' which is often used by Malware, FPs are possible and commmon
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.

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/362006/

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