MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71a5204e8fe7c72dc1b6cf72c705396e4d04269c59694300f6698b44480fd8bf. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 71a5204e8fe7c72dc1b6cf72c705396e4d04269c59694300f6698b44480fd8bf
SHA3-384 hash: 675a2fb31ad3cd80fd10545855eafe40df1433964e7a446971460eb2fcc4652a165eb0e6354e729b0ab1aaed85a4282c
SHA1 hash: 7779c043ced881c734534a48efac6deb00e3aea0
MD5 hash: b173c964f186da5924c995cda04a7d25
humanhash: east-hotel-magnesium-kentucky
File name:SecuriteInfo.com.W32.MSIL_Agent.EFE.gen.Eldorado.23840.4299
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:594'944 bytes
First seen:2022-12-29 05:27:52 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 12288:uL6Ub9PYkGfSpd6OWB3/EwYwr/+B1fx+jPTv2xfCosVXpEnXO77vEo:utYkaSerBsZu/+Pp82coa5
Threatray 3'247 similar samples on MalwareBazaar
TLSH T1B8C4E09D761072EFC85BC4729AA82C64FBA1787B871F02039063659DDE5C99BCF250F2
TrID 28.5% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 30b2c4c8c8c4b030 (53 x Formbook, 41 x RemcosRAT, 20 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
176
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.W32.MSIL_Agent.EFE.gen.Eldorado.23840.4299
Verdict:
Malicious activity
Analysis date:
2022-12-29 05:30:37 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/7c617c35-f5b7-4193-89ed-54a0af2f2161

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.W32.MSIL_Agent.EFE.gen.Eldorado.23840.4299.UNOFFICIAL
Create hunting rule

PUA.Win.Packed.ConfuserEx-6391397-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63ad25680fdf1633326c7521/reports/9b0bb532-4cca-4393-9dcb-9e8aa096518a/overview
Result
Verdict:
UNKNOWN
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/9b5fbd25-52c7-435f-a12a-fc2effeb788f
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1142462
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files to the startup folder
Installs a global keyboard hook
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
PE file contains section with special chars
PE file has nameless sections
Powershell drops PE file
Sigma detected: Copy file to startup via Powershell
Sigma detected: Remcos
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 775192 Sample: SecuriteInfo.com.W32.MSIL_A... Startdate: 29/12/2022 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Antivirus detection for dropped file 2->47 49 13 other signatures 2->49 7 SecuriteInfo.com.W32.MSIL_Agent.EFE.gen.Eldorado.23840.4299.exe 1 2->7         started        10 Sybehehstem.exe 1 2->10         started        process3 file4 29 SecuriteInfo.com.W....23840.4299.exe.log, ASCII 7->29 dropped 12 powershell.exe 13 7->12         started        16 RegSvcs.exe 2 17 7->16         started        19 powershell.exe 3 10->19         started        21 RegSvcs.exe 10->21         started        23 RegSvcs.exe 10->23         started        process5 dnsIp6 31 C:\Users\user\AppData\...\Sybehehstem.exe, PE32 12->31 dropped 33 C:\Users\...\Sybehehstem.exe:Zone.Identifier, ASCII 12->33 dropped 51 Drops PE files to the startup folder 12->51 53 Powershell drops PE file 12->53 25 conhost.exe 12->25         started        37 ucremcz1.ddns.net 193.47.61.33, 1823, 49716 TH-AS-APTianhaiInfoTechCN Germany 16->37 39 geoplugin.net 178.237.33.50, 49717, 80 ATOM86-ASATOM86NL Netherlands 16->39 41 192.168.2.1 unknown unknown 16->41 35 C:\Users\user\AppData\Roaming\...\logs.dat, data 16->35 dropped 55 Installs a global keyboard hook 16->55 27 conhost.exe 19->27         started        file7 signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/71a5204e8fe7c72dc1b6cf72c705396e4d04269c59694300f6698b44480fd8bf/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-12-29 01:20:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 38 (65.79%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ogssatup47ds3qnwz5zmobjznzgqiju4lfuugahwngfuisap3c7q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
31edb5c9a0590d100f941cfcb0c142abf141fba4a90c6bddb6c7fc59b4475f28
RemcosRAT
4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f
RemcosRAT
5251517c9a5cc925e00988f3d9aa30706271cfd0bd6d33d3794e03a92b13b946
RemcosRAT
592f15fec50eda79baadcb6bc5c4cb79de60e5bb285f20fb8e8927477495f065
RemcosRAT
7fe73c463ac777aa61709aa357a27b09d8faae7833219399c3a92c6f692c11f4
RemcosRAT
9432004daa7e7748848e802b7a769efe47f147d54fcad12471d03d261c3bc5c0
RemcosRAT
a0a124777df35d015c84f61af9a8e4d0dba82120a30fa031b73b885a13d88214
RemcosRAT
ad87f3ad6fb14d2b79d7b7aac1b38bc04fd20757460da0f02cac139408df9969
RemcosRAT
e1eb708f47303b831f6eb0ddc846e21782e8f727dcb0088fcb997c3bf0d4dbd3
RemcosRAT
e68ebc948356b0560fee06f52939504005fd848a93ccc41b4840c1db318a5409
RemcosRAT
+ 3'237 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:uc rat
Link:
https://tria.ge/reports/221229-f5195sfe2z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Remcos
Malware Config
C2 Extraction:
ucremcz1.ddns.net:1823
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/88814ad6-d63f-4b72-853c-1c7dc17ed4ab
Unpacked files
SH256 hash:
4560d9947beba3e13d6dd6ada95ea6c544401b07457f00a51f53d88c9d74b9e0
MD5 hash:
6b3990b8f137d79660a594ae928047a5
SHA1 hash:
d92d0d71fee5ed5142c8ac2cd2797ca8f6ab997d
Link:
https://www.unpac.me/results/76c6b055-4ccc-444c-88c7-6cf28e995433/
SH256 hash:
c2296809155417083c5c50349b1c817a942c72a3411251fbcd6900558be81ed1
MD5 hash:
2dbb39ff68e2110693f6fa79a766c3be
SHA1 hash:
6eccdf701150d004c49aff4070f0f34c16ae1a0b
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/76c6b055-4ccc-444c-88c7-6cf28e995433/
Parent samples :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 hash:
bfa12a2456d40d6c32a1f4e35bd43c81f6f67466234faed8fec19397d0e6d808
MD5 hash:
7a7927bac28be846b2fd2a5d10ba0676
SHA1 hash:
67a7b8616fc8e7aa7bb7a6e2521548e67a7caa2d
Link:
https://www.unpac.me/results/76c6b055-4ccc-444c-88c7-6cf28e995433/
Parent samples :
fb110b1db7c02725d6cb0953cf153a2b5e158d358db136aece90ac06d79cb07d
80dd6d009a2b7ab7aa393d063048320db5ea3920a4fd9cca4a0a76f12183273f
SH256 hash:
71a5204e8fe7c72dc1b6cf72c705396e4d04269c59694300f6698b44480fd8bf
MD5 hash:
b173c964f186da5924c995cda04a7d25
SHA1 hash:
7779c043ced881c734534a48efac6deb00e3aea0
Link:
https://www.unpac.me/results/76c6b055-4ccc-444c-88c7-6cf28e995433/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/71a5204e8fe7/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/71a5204e8fe7c72dc1b6cf72c705396e4d04269c59694300f6698b44480fd8bf

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:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
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.

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