MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7458ae3948da0ce72c63f099f0c15240361d61805b6c4aafd6aee84de3c4132f. 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: 16


Intelligence 16 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7458ae3948da0ce72c63f099f0c15240361d61805b6c4aafd6aee84de3c4132f
SHA3-384 hash: 747361c2d99aeb2086e9331900cce0390a6bba43f5cfbf4c2e3f4925626aab499fcda2a644967d265d30219b2037763a
SHA1 hash: d154cb0477e5c1a499db4059b02a3209da44f7a2
MD5 hash: 4f58dd65015c6192de88ced6a16778b6
humanhash: seven-angel-blue-single
File name:file
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:661'312 bytes
First seen:2022-11-02 03:37:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:dGM8zA+REWAi3vKBZczrlXP/dRtXZVBHSLwA0OiajBGu0C+wAJr4Nw:Atb2V+SBZc9X3dXXZVBHQwFwB8r4Nw
Threatray 2'908 similar samples on MalwareBazaar
TLSH T1B8E4128C33E54A53C86C5F778C6A61C8077DA2967D12E7F0BC5824BD2C277C56862ACB
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 30b2c4c8c8c4b030 (53 x Formbook, 41 x RemcosRAT, 20 x AgentTesla)
Reporter jstrosch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
276
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-02 03:38:19 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/1608061b-9b64-4679-bd65-a6a40cddcfe6

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/326955/
Detection(s):
SecuriteInfo.com.UntrustedCertificate.Aichost.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/6361e61f736e9d884f0dd35d/reports/593b763c-9442-45c3-a8d3-018bcda640d4/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/10a352df-d8fe-4fe2-a249-8ad6626d5e65
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1102946
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Drops PE files to the startup folder
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
Powershell drops PE file
Sigma detected: Copy file to startup via Powershell
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 735607 Sample: file.exe Startdate: 02/11/2022 Architecture: WINDOWS Score: 100 35 betrice1.chickenkiller.com 2->35 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for dropped file 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 9 other signatures 2->47 8 file.exe 1 2->8         started        12 Syddddstem.exe 1 2->12         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 8->29 dropped 49 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->49 14 powershell.exe 14 8->14         started        18 RegSvcs.exe 2 8->18         started        21 powershell.exe 3 12->21         started        23 RegSvcs.exe 12->23         started        signatures6 process7 dnsIp8 31 C:\Users\user\AppData\...\Syddddstem.exe, PE32 14->31 dropped 33 C:\Users\...\Syddddstem.exe:Zone.Identifier, ASCII 14->33 dropped 51 Drops PE files to the startup folder 14->51 53 Powershell drops PE file 14->53 25 conhost.exe 14->25         started        37 betrice1.chickenkiller.com 45.137.22.153, 1983 ROOTLAYERNETNL Netherlands 18->37 39 192.168.2.1 unknown unknown 18->39 27 conhost.exe 21->27         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7458ae3948da0ce72c63f099f0c15240361d61805b6c4aafd6aee84de3c4132f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-02 02:43:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
26 of 41 (63.41%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ormk4oki3igooldd6cm7bqksia3b2ymalnwevl6wv3ue3y6ecmxq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
31edb5c9a0590d100f941cfcb0c142abf141fba4a90c6bddb6c7fc59b4475f28
RemcosRAT
4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f
RemcosRAT
592f15fec50eda79baadcb6bc5c4cb79de60e5bb285f20fb8e8927477495f065
RemcosRAT
7f89f38c1c2a3e42e7fe2d1c286816361fe77aa49d1d474de200df6eb2dbda81
RemcosRAT
7fe73c463ac777aa61709aa357a27b09d8faae7833219399c3a92c6f692c11f4
RemcosRAT
9432004daa7e7748848e802b7a769efe47f147d54fcad12471d03d261c3bc5c0
RemcosRAT
9d724226a2a3c8676d4a58b64b636d9dcc178c1d40fcf321309afa14505cf285
RemcosRAT
ad87f3ad6fb14d2b79d7b7aac1b38bc04fd20757460da0f02cac139408df9969
RemcosRAT
e1eb708f47303b831f6eb0ddc846e21782e8f727dcb0088fcb997c3bf0d4dbd3
RemcosRAT
e68ebc948356b0560fee06f52939504005fd848a93ccc41b4840c1db318a5409
RemcosRAT
+ 2'898 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:ramcosjh rat
Link:
https://tria.ge/reports/221102-d627qahgbk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Remcos
Malware Config
C2 Extraction:
betrice1.chickenkiller.com:1983
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6bf461bc-373c-4ec5-86f9-0cd1d05a2144
Unpacked files
SH256 hash:
fd56a07f2da75c84337cbf94e0acafc09fb909cfb187a0ae214827ce2c4708bb
MD5 hash:
d93c5f59ddc41313bf36f106a2f1fe17
SHA1 hash:
97c5cd9d0689c1cd74685bc979122a13eba3fcc9
Link:
https://www.unpac.me/results/97146e1b-816c-47df-be70-fa9e2b30ff82/
SH256 hash:
afaa51cb55b1b31f882c141b4ec07945a107f90202623c75f2bf1f9e08616bbb
MD5 hash:
eb6c736e04be4e10b5d97d1658d0faaa
SHA1 hash:
68b9956de8af06de8769a4d8722e5ca6da1b0ff2
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/97146e1b-816c-47df-be70-fa9e2b30ff82/
Parent samples :
7458ae3948da0ce72c63f099f0c15240361d61805b6c4aafd6aee84de3c4132f
6bcfe7bb68fe8ed455aa7b27eaf36bd89748f010201889626804c57f46c15cc0
SH256 hash:
94097efe2feb717c0b7b4e3eb2624885008f4a0640fbed8ce331276919cf73f4
MD5 hash:
46b59ad3c8285c012f4913a132e3983f
SHA1 hash:
373887201b4cbf2a3a1067fa58015906038e679a
Link:
https://www.unpac.me/results/97146e1b-816c-47df-be70-fa9e2b30ff82/
SH256 hash:
7458ae3948da0ce72c63f099f0c15240361d61805b6c4aafd6aee84de3c4132f
MD5 hash:
4f58dd65015c6192de88ced6a16778b6
SHA1 hash:
d154cb0477e5c1a499db4059b02a3209da44f7a2
Link:
https://www.unpac.me/results/97146e1b-816c-47df-be70-fa9e2b30ff82/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7458ae3948da/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.82
Link:
https://yomi.yoroi.company/submissions/7458ae3948da0ce72c63f099f0c15240361d61805b6c4aafd6aee84de3c4132f

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Web download

RemcosRAT

Executable exe 7458ae3948da0ce72c63f099f0c15240361d61805b6c4aafd6aee84de3c4132f

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/326955/
  
URLhaus
https://urlhaus.abuse.ch/url/2396486/

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