MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef659b7280d3ac6cd2922030854e9c6cb153111889382dfda5e3708ce91c6e93. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef659b7280d3ac6cd2922030854e9c6cb153111889382dfda5e3708ce91c6e93
SHA3-384 hash: 60787474c1defc706002a1f63614f93f84023e52fc55013a22a44615bb1800d1ceb7b7de8e852b55e2e548dd0b399d2c
SHA1 hash: faee645393edaab5926d7b7541b79ac27717a839
MD5 hash: 780285548738d303df6ac4ffe07c1052
humanhash: virginia-johnny-mike-potato
File name:SecuriteInfo.com.IL.Trojan.MSILZilla.23489.11062.26096
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:6'144 bytes
First seen:2022-10-20 01:03:10 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 48:6hHIsiEetneWtOW1S7aMTUiByWKwxUz4bPNMN+6Ykzmx8k9M4s2ZsFtiOly4lAqh:TieteWtj4hTUMUz4w+mI5zS44lIzNt
Threatray 2'111 similar samples on MalwareBazaar
TLSH T18AC1A4A493E88776DE330776ACB363510374A36198D3DBDE6D80615EAD133910D22AB2
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
241
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.IL.Trojan.MSILZilla.23489.11062.26096
Verdict:
Malicious activity
Analysis date:
2022-10-20 01:10:12 UTC
Tags:
trojan rat remcos
Link:
https://app.any.run/tasks/ff5866b6-8f77-4355-a54f-94e097187bfd

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/321863/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.23489.11062.26096.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Unauthorized injection to a recently created process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63509e84339362a6061b1c57/reports/5fdcce8c-9704-433b-afa6-cfca107a9b6d/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:
Unknown
Link:
https://analyze.intezer.com/analyses/eaa32b9f-3629-4bfc-8b69-078e273b563e
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1093846
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
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
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: 726468 Sample: SecuriteInfo.com.IL.Trojan.... Startdate: 20/10/2022 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 5 other signatures 2->51 7 SecuriteInfo.com.IL.Trojan.MSILZilla.23489.11062.26096.exe 16 7 2->7         started        12 Vaolk.exe 14 3 2->12         started        14 Vaolk.exe 3 2->14         started        process3 dnsIp4 41 45.139.105.228, 49718, 49758, 49761 CMCSUS Italy 7->41 31 C:\Users\user\AppData\Roaming\...\Vaolk.exe, PE32 7->31 dropped 33 C:\Users\user\...\Vaolk.exe:Zone.Identifier, ASCII 7->33 dropped 35 SecuriteInfo.com.I...11062.26096.exe.log, ASCII 7->35 dropped 53 Encrypted powershell cmdline option found 7->53 55 Injects a PE file into a foreign processes 7->55 16 SecuriteInfo.com.IL.Trojan.MSILZilla.23489.11062.26096.exe 2 14 7->16         started        19 powershell.exe 16 7->19         started        43 192.168.2.1 unknown unknown 12->43 57 Multi AV Scanner detection for dropped file 12->57 59 Machine Learning detection for dropped file 12->59 21 powershell.exe 11 12->21         started        23 powershell.exe 11 14->23         started        file5 signatures6 process7 dnsIp8 37 79.110.62.46, 49752, 50499 LASOTELFR Germany 16->37 39 geoplugin.net 178.237.33.50, 49759, 80 ATOM86-ASATOM86NL Netherlands 16->39 25 conhost.exe 19->25         started        27 conhost.exe 21->27         started        29 conhost.exe 23->29         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef659b7280d3ac6cd2922030854e9c6cb153111889382dfda5e3708ce91c6e93/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-10-19 22:14:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
13 of 42 (30.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=55szw4ua2owgzuuseayiktu4nsyvgeiyre4c37nf4nyiz2i4n2jq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f
RemcosRAT
592f15fec50eda79baadcb6bc5c4cb79de60e5bb285f20fb8e8927477495f065
RemcosRAT
7f89f38c1c2a3e42e7fe2d1c286816361fe77aa49d1d474de200df6eb2dbda81
RemcosRAT
8e7d1931cfe215a12acad3beb975cd78099a295a721069b35c05b469e2f703f9
RemcosRAT
9d724226a2a3c8676d4a58b64b636d9dcc178c1d40fcf321309afa14505cf285
RemcosRAT
e1eb708f47303b831f6eb0ddc846e21782e8f727dcb0088fcb997c3bf0d4dbd3
RemcosRAT
e76cebc404b8a79e2ab806a3e501b9d2f7260ea1d12f804320c1130be205dff6
RemcosRAT
+ 2'101 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remote persistence rat
Link:
https://tria.ge/reports/221020-bex3ksgafk/
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:
79.110.62.46:50499
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f8798766-76d2-4839-9c88-3feb5fa83d00
Unpacked files
SH256 hash:
ef659b7280d3ac6cd2922030854e9c6cb153111889382dfda5e3708ce91c6e93
MD5 hash:
780285548738d303df6ac4ffe07c1052
SHA1 hash:
faee645393edaab5926d7b7541b79ac27717a839
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/192cc52d-8a65-4993-9339-a0b588dec28f/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ef659b7280d3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/ef659b7280d3ac6cd2922030854e9c6cb153111889382dfda5e3708ce91c6e93

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/321863/

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