MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9. 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: 19


Intelligence 19 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9
SHA3-384 hash: e2023752558398aff56c97f048b7b44dc13b4b1f723e3742a5cfc0615ca61a5e976771a62c846a0bcf3660423ec4e5d1
SHA1 hash: 565a31f86b886a26cc8c10ce3780a256e4157f55
MD5 hash: 8fd5f061761645838e92744a0722f87d
humanhash: mars-utah-hawaii-yankee
File name:rPO104.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:946'688 bytes
First seen:2024-09-11 20:17:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:K9o/NseOLSe+/1k38m8IyfhFTG7KQTCaAhkqG72:K2JarEZytpMGq
Threatray 4'449 similar samples on MalwareBazaar
TLSH T195152208B7ECA324D9BB47F289711551037DF222B061EBBD1DC7B4DA5A733544BA0A8B
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 70983a848494a0e0 (6 x Formbook, 4 x AgentTesla, 2 x SnakeKeylogger)
Reporter FXOLabs
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
415
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
rPO104.exe
Verdict:
Malicious activity
Analysis date:
2024-09-11 20:23:50 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/2bc82c15-0b60-4a16-8ab2-18bd037eb454

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3053.32203.2462.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66e1fb02751db35a8b9f7b25
Tags:
Execution Infostealer Network Stealth Heur
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
explorer lolbin packed
Link:
https://www.filescan.io/uploads/66e1fb01f13dedfc44748d2b/reports/6310381f-70d6-4e4f-95eb-eb9fb7a05478/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9
Result
Verdict:
SUSPICIOUS
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/57218332-d5c9-4269-878f-19536c38a4cd
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1509652
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 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
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)
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1509652 Sample: rPO104.exe Startdate: 11/09/2024 Architecture: WINDOWS Score: 100 49 dpm-sael.com 2->49 57 Suricata IDS alerts for network traffic 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 12 other signatures 2->63 8 rPO104.exe 7 2->8         started        12 pNamqURus.exe 5 2->12         started        signatures3 process4 file5 39 C:\Users\user\AppData\Roaming\pNamqURus.exe, PE32 8->39 dropped 41 C:\Users\...\pNamqURus.exe:Zone.Identifier, ASCII 8->41 dropped 43 C:\Users\user\AppData\Local\...\tmp4DC8.tmp, XML 8->43 dropped 45 C:\Users\user\AppData\...\rPO104.exe.log, ASCII 8->45 dropped 65 Uses schtasks.exe or at.exe to add and modify task schedules 8->65 67 Adds a directory exclusion to Windows Defender 8->67 69 Injects a PE file into a foreign processes 8->69 14 rPO104.exe 3 3 8->14         started        19 powershell.exe 23 8->19         started        21 powershell.exe 23 8->21         started        23 schtasks.exe 1 8->23         started        71 Multi AV Scanner detection for dropped file 12->71 73 Contains functionality to bypass UAC (CMSTPLUA) 12->73 75 Contains functionalty to change the wallpaper 12->75 77 5 other signatures 12->77 25 schtasks.exe 1 12->25         started        27 pNamqURus.exe 12->27         started        signatures6 process7 dnsIp8 51 dpm-sael.com 64.176.178.205, 2017, 49720, 49723 ALABANZA-BALTUS United States 14->51 47 C:\ProgramData\remcos\logs.dat, data 14->47 dropped 53 Installs a global keyboard hook 14->53 55 Loading BitLocker PowerShell Module 19->55 29 WmiPrvSE.exe 19->29         started        31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        37 conhost.exe 25->37         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=psel24ndkmfuomow4yrt2cjh3d33ahcos7hxs35c2u5vkty5n3mq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
19b92161154b6d9fca60de3f5aec7e64b4b7e1a3281d60784e2403e756f46c26
RemcosRAT
66f3abf06c96c938894a2d721331e7dec08154d681bfae6f2db4dbc35a995e46
RemcosRAT
79b1315cab839553008486cf182981ce0a36c1755a83e37f7b107cdb7266f0cb
RemcosRAT
b4952421150265489acc51c83234643237b1f06e468c450d604210e3ee50316e
RemcosRAT
f94c2da3623066f0066d1e403069a3125160b4200a4d86138cee932cc6970e69
RemcosRAT
+ 4'439 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:mekus discovery execution rat
Link:
https://tria.ge/reports/240911-y29q8a1bnl/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Malware Config
C2 Extraction:
dpm-sael.com:2017
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7d79d79c-23fb-481e-8718-2e60ea56e18d
Unpacked files
SH256 hash:
04d7477c03418c7e4de3dbe344390866ad623bcb7f95347fba918d409289383b
MD5 hash:
4bf132cd765bc40f5a57698f2f11f336
SHA1 hash:
41a1b5de62d70e137b6baf15de581ddbb6aa32ab
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
Link:
https://www.unpac.me/results/edfe61b4-62d0-4e59-8b05-bbb3f960a6bc/
Parent samples :
e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0
7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9
1c251b2a58b7c9c19bca9f5eb75fa7cd93a73fe07e34c1759a2381dda79ffda4
d7b82542403c06b63adcd6c4a46614ebc04d903c9c404097d30cc85e0237c2bc
700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127
935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea
SH256 hash:
8b7c3d68874951b078b886f27c4336ca8424cb5082d4a331d65457a8ec81eac4
MD5 hash:
619209687fb52e0c7c9cdf0a55222f71
SHA1 hash:
3402b24274c22038eff66f416466dcedc0d4aa00
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/edfe61b4-62d0-4e59-8b05-bbb3f960a6bc/
SH256 hash:
c59a72e874640d2d2c5669edc14fdeb82a72cbacde61679907d2926b8ed79d08
MD5 hash:
b37fc99b846edbde0d0f36bee1760849
SHA1 hash:
0016396b048dcbda5b87742c32678f706db6362c
Link:
https://www.unpac.me/results/edfe61b4-62d0-4e59-8b05-bbb3f960a6bc/
SH256 hash:
7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9
MD5 hash:
8fd5f061761645838e92744a0722f87d
SHA1 hash:
565a31f86b886a26cc8c10ce3780a256e4157f55
Link:
https://www.unpac.me/results/edfe61b4-62d0-4e59-8b05-bbb3f960a6bc/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7c88bd71a353/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/7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
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

File information

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

Malspam

RemcosRAT

Executable exe 7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9

(this sample)

  
Delivery method
Distributed via e-mail attachment

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

Comments