MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 123d60e73ef07b75f285d67de12c69137304e6932415b20d76432914f3e15e1c. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 123d60e73ef07b75f285d67de12c69137304e6932415b20d76432914f3e15e1c
SHA3-384 hash: ad5cb504a41ab72f955810b23e3dc253bdffd67abfd93729f372f5beffb7c12569b7986ce11b0d38fe326c28057a12b9
SHA1 hash: 767d326371a5e8b3e3c85d5a87d3e928364b0e20
MD5 hash: 2e69c1a7d2a987f925aaad945c2ce2b2
humanhash: item-johnny-mirror-hamper
File name:EIuz8Bk9kGav2ix.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'026'560 bytes
First seen:2024-12-03 13:05:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:50IeeyMLvMqxTE1am3NbYPu5xQBhlbeaI:WBek2TAam9SuxQBhT
TLSH T1F225028C7601F54FC903D6358EB4FD74A6286EAA9306931399D71DEFBC1D896CE041E2
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon e44ad8ccc8a4a0c0 (22 x Formbook, 4 x RemcosRAT, 3 x AgentTesla)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
396
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7eec8c69d64ff13204172df9055198cba8a2ccd1e1881493de9fc0dafbbca568
Verdict:
Suspicious activity
Analysis date:
2024-12-03 08:02:36 UTC
Tags:
arch-exec
Link:
https://app.any.run/tasks/21179725-ee8c-4c78-9375-a9c7cf41c87e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Ratx-10038422-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674f032bbc8c6beb30754ca4
Tags:
remcos virus shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Setting a keyboard event handler
DNS request
Connection attempt
Sending an HTTP GET request
Connection attempt to an infection source
Sending a TCP request to an infection source
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected remcos
Link:
https://www.filescan.io/uploads/674f02451b2b810869e0ebde/reports/f9f47265-e416-4a15-b0ed-5d86092225f4/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/123d60e73ef07b75f285d67de12c69137304e6932415b20d76432914f3e15e1c
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/28067e54-7f23-4eac-aa33-4dfebb568a09
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1567401
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1567401 Sample: EIuz8Bk9kGav2ix.exe Startdate: 03/12/2024 Architecture: WINDOWS Score: 100 59 geoplugin.net 2->59 67 Suricata IDS alerts for network traffic 2->67 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 12 other signatures 2->73 8 EIuz8Bk9kGav2ix.exe 7 2->8         started        12 RNJBFdvJTXAE.exe 5 2->12         started        signatures3 process4 file5 49 C:\Users\user\AppData\...\RNJBFdvJTXAE.exe, PE32 8->49 dropped 51 C:\Users\...\RNJBFdvJTXAE.exe:Zone.Identifier, ASCII 8->51 dropped 53 C:\Users\user\AppData\Local\...\tmp4D69.tmp, XML 8->53 dropped 55 C:\Users\user\...Iuz8Bk9kGav2ix.exe.log, ASCII 8->55 dropped 81 Contains functionality to bypass UAC (CMSTPLUA) 8->81 83 Contains functionalty to change the wallpaper 8->83 85 Contains functionality to steal Chrome passwords or cookies 8->85 93 7 other signatures 8->93 14 EIuz8Bk9kGav2ix.exe 2 8->14         started        17 powershell.exe 23 8->17         started        19 powershell.exe 23 8->19         started        21 schtasks.exe 1 8->21         started        87 Multi AV Scanner detection for dropped file 12->87 89 Tries to steal Mail credentials (via file registry) 12->89 91 Machine Learning detection for dropped file 12->91 23 RNJBFdvJTXAE.exe 12->23         started        27 schtasks.exe 12->27         started        signatures6 process7 dnsIp8 95 Writes to foreign memory regions 14->95 29 iexplore.exe 14->29         started        97 Loading BitLocker PowerShell Module 17->97 44 2 other processes 17->44 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        61 192.3.64.152, 2559, 49735, 49742 AS-COLOCROSSINGUS United States 23->61 63 geoplugin.net 178.237.33.50, 49736, 80 ATOM86-ASATOM86NL Netherlands 23->63 57 C:\ProgramData\remcos\logs.dat, data 23->57 dropped 99 Detected Remcos RAT 23->99 101 Maps a DLL or memory area into another process 23->101 103 Installs a global keyboard hook 23->103 35 RNJBFdvJTXAE.exe 23->35         started        38 RNJBFdvJTXAE.exe 23->38         started        40 RNJBFdvJTXAE.exe 23->40         started        46 6 other processes 23->46 42 conhost.exe 27->42         started        file9 signatures10 process11 dnsIp12 75 Tries to steal Instant Messenger accounts or passwords 35->75 77 Tries to steal Mail credentials (via file / registry access) 35->77 79 Tries to harvest and steal browser information (history, passwords, etc) 40->79 65 52.182.143.212 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 46->65 signatures13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/123d60e73ef07b75f285d67de12c69137304e6932415b20d76432914f3e15e1c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/123d60e73ef07b75f285d67de12c69137304e6932415b20d76432914f3e15e1c/
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-12-03 07:12:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
24 of 38 (63.16%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ci6wbzz66b5xl4uf2z66cldjcnzqjzuteqk3edlwimurj47blyoa._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery execution rat
Link:
https://tria.ge/reports/241203-qb3afswphy/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
192.3.64.152:2559
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/26a77ebf-515f-491b-b457-11fc3be4c79a
Unpacked files
SH256 hash:
9a358e1b70c91f00612e18c23dc71ed1f4e97d85176cfbc6aa187ab8928ce746
MD5 hash:
0456fc589b180bfd57c00c1820a59777
SHA1 hash:
e447d46991735dfda4114a31110fe38a779cf864
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/edf41d6d-78bc-4d82-b78c-d7097bc5e5cd/
SH256 hash:
9db5fbdb5ec948c60e0ef1eae4cc58b9d55bbaed70489d5331bbdbda19d8035b
MD5 hash:
48ee97a14614113c194512c933e5f667
SHA1 hash:
2a0100e02126f11b17f73f949d7bee1608848398
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
Link:
https://www.unpac.me/results/edf41d6d-78bc-4d82-b78c-d7097bc5e5cd/
Parent samples :
123d60e73ef07b75f285d67de12c69137304e6932415b20d76432914f3e15e1c
04e6dda7961928fadeecd13e02b9195d31a5e3a9925d4de51072089bc7a1b452
f977974b2df2bece2382b3c31b24382b629d18144c1fd56901900b1d1aba6024
07b27d0e65f751737e5d9bee0b78b5a56933264014b5171ae03f3c2c3b51ae0e
caca9062bbedb4519f51493d026a344f885ac593b7224d40458ff07f8ecee4ba
12f38b57f20acea350ed883756309c9516c6b5b814ebedcb19dcb5ba798579e1
d51b3625115680dc3d6e0f5881f914f0373a277e2ef2ec56c88c3f45de997877
SH256 hash:
acf09c80699691d3a6a8d52577d06a7054c1bda1953a55527251e92e15ba037f
MD5 hash:
69473b5123488cff4aae599aa14eb3a4
SHA1 hash:
1d3562fd2fb55582cb97441b9f01065dd80373fc
Link:
https://www.unpac.me/results/edf41d6d-78bc-4d82-b78c-d7097bc5e5cd/
SH256 hash:
123d60e73ef07b75f285d67de12c69137304e6932415b20d76432914f3e15e1c
MD5 hash:
2e69c1a7d2a987f925aaad945c2ce2b2
SHA1 hash:
767d326371a5e8b3e3c85d5a87d3e928364b0e20
Link:
https://www.unpac.me/results/edf41d6d-78bc-4d82-b78c-d7097bc5e5cd/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/123d60e73ef0/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/123d60e73ef07b75f285d67de12c69137304e6932415b20d76432914f3e15e1c

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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