MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1fafc7d9825ebd9d7dc533f005452ce890bda0e668a05d9badadbfe08d2e22a. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
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SHA256 hash: a1fafc7d9825ebd9d7dc533f005452ce890bda0e668a05d9badadbfe08d2e22a
SHA3-384 hash: 654ac193c822cb8f852c36b04327cf8bc13a4796f921548e09be42a76d06f6a1b4331331d96a0ff9f8d70aa379ed985b
SHA1 hash: a8930fc963bcf4a7b1e31ea64f6fe6650a31159f
MD5 hash: cc367fe1848c91a297f5fe232ce5d840
humanhash: golf-pip-iowa-grey
File name:DHp8URPAv1rke3F.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:937'984 bytes
First seen:2024-04-30 10:26:03 UTC
Last seen:2024-04-30 11:33:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:VXueWFm+yLppVmyJnUt1ziJiBCU8OI70hHLb2ntarJWyLFMzG1tzwHV6CW6Z4fX:8RFm+ysTVAO40Z2ntKLqGbw
Threatray 3'967 similar samples on MalwareBazaar
TLSH T15015231173CC575FCA7A83FE0620D10297FAF22849E1FB198EEC91CE19A6B02651579F
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 8296e6e2b8989684 (8 x AgentTesla, 3 x Formbook, 2 x PureLogsStealer)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
334
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
a1fafc7d9825ebd9d7dc533f005452ce890bda0e668a05d9badadbfe08d2e22a.exe
Verdict:
Malicious activity
Analysis date:
2024-04-30 10:26:33 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/b6e15611-85a3-4b81-9164-a41bae01b098

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
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
Connection attempt
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6630c782d2fc149e4128ee8c/reports/23693310-ccce-4ca8-815c-a64f9285bf06/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a1fafc7d9825ebd9d7dc533f005452ce890bda0e668a05d9badadbfe08d2e22a
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1f79f756-dc3f-4c71-9d2c-f114fed4e87e
Result
Threat name:
Remcos, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433977
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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
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)
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected PureLog Stealer
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1433977 Sample: DHp8URPAv1rke3F.exe Startdate: 30/04/2024 Architecture: WINDOWS Score: 100 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Antivirus detection for URL or domain 2->73 75 14 other signatures 2->75 7 LEbqRXVdiIhxTL.exe 5 2->7         started        10 DHp8URPAv1rke3F.exe 7 2->10         started        13 chrome.exe 1 2->13         started        process3 dnsIp4 77 Antivirus detection for dropped file 7->77 79 Multi AV Scanner detection for dropped file 7->79 81 Contains functionality to bypass UAC (CMSTPLUA) 7->81 89 6 other signatures 7->89 16 LEbqRXVdiIhxTL.exe 7->16         started        19 schtasks.exe 1 7->19         started        21 LEbqRXVdiIhxTL.exe 7->21         started        45 C:\Users\user\AppData\...\LEbqRXVdiIhxTL.exe, PE32 10->45 dropped 47 C:\Users\user\AppData\Local\...\tmpE78A.tmp, XML 10->47 dropped 83 Uses schtasks.exe or at.exe to add and modify task schedules 10->83 85 Adds a directory exclusion to Windows Defender 10->85 87 Injects a PE file into a foreign processes 10->87 23 DHp8URPAv1rke3F.exe 3 3 10->23         started        27 powershell.exe 23 10->27         started        29 schtasks.exe 1 10->29         started        31 DHp8URPAv1rke3F.exe 10->31         started        57 192.168.2.3 unknown unknown 13->57 59 192.168.2.4 unknown unknown 13->59 61 2 other IPs or domains 13->61 33 chrome.exe 13->33         started        file5 signatures6 process7 dnsIp8 35 conhost.exe 19->35         started        49 64.44.83.130, 2465 NEXEONUS United States 23->49 43 C:\ProgramData\remcos\logs.dat, data 23->43 dropped 63 Detected Remcos RAT 23->63 65 Installs a global keyboard hook 23->65 67 Loading BitLocker PowerShell Module 27->67 37 WmiPrvSE.exe 27->37         started        39 conhost.exe 27->39         started        41 conhost.exe 29->41         started        51 www.google.com 142.250.191.196, 443, 49722, 49723 GOOGLEUS United States 33->51 53 www3.l.google.com 172.217.0.174, 443, 49734, 49743 GOOGLEUS United States 33->53 55 4 other IPs or domains 33->55 file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a1fafc7d9825ebd9d7dc533f005452ce890bda0e668a05d9badadbfe08d2e22a
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a1fafc7d9825ebd9d7dc533f005452ce890bda0e668a05d9badadbfe08d2e22a/
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Create hunting rule
Status:
Malicious
First seen:
2024-04-30 05:21:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uh5py7myexv5tv64km7qavcsz2eqxwqom2falwn23ln74cgs4iva._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
063e8dc308fea1f6ab248e3704894c8311b85959301e6389ae5ee55726e3ba2a
RemcosRAT
1351e61c2b4c13ccf8b28d7f1f9aa82f7cce424e723a30bacbfa404d1d98fa6d
RemcosRAT
13a780d9b9243d3fea7a8f28655b9c3cc752e39fa7ade991ef73e4f89e7b6c26
RemcosRAT
c08cb69aed7f30fe924a3fee014f33aabadaf11644e304c25b28f64c4fa09c48
RemcosRAT
e8f97821125b6b3f9c081a6a488fdbb8f8b13141f26af1264b2058718973a0ee
RemcosRAT
+ 3'957 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:host rat
Link:
https://tria.ge/reports/240430-mg376aab5z/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
64.44.83.130:2465
Unpacked files
SH256 hash:
911432a069ce32a97c8fca837f442d37a2ceb1e5f29d63b71edce40c90eae8d0
MD5 hash:
4d002a2ba8d7939680bef435a56254d0
SHA1 hash:
bf7b4ebdd90049d0eae50eb3807010e150afc85b
Link:
https://www.unpac.me/results/02abc21b-aa16-410d-8bca-caefd86477cf/
SH256 hash:
4909093c1045073940daf73778f88ce3e5d4dcbc0d69e3498ad4672c2e699013
MD5 hash:
28b43a10958caef0465f7b93be0a0d77
SHA1 hash:
9c85c1cb7f6face0a6c8d0a2d2314a99092d6554
Link:
https://www.unpac.me/results/02abc21b-aa16-410d-8bca-caefd86477cf/
SH256 hash:
681b5f05b09d9e918e4595c4273389c5e25948a1d84ecff38175ddba11641529
MD5 hash:
d014293cbbb0d3f5e03619a7fba95cd7
SHA1 hash:
548127ea1005d06739424f4a878d1d412b349204
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/02abc21b-aa16-410d-8bca-caefd86477cf/
Parent samples :
a1fafc7d9825ebd9d7dc533f005452ce890bda0e668a05d9badadbfe08d2e22a
825c10e7def43190b1e706de34bcce9dca867d770a153d0e93a6a3bb7f1784d5
SH256 hash:
0bfb0358d9cd73716bbdd5e02dc6d9ad4ff7ce928bb149834844b4e8eb8ce74b
MD5 hash:
4b113a772f878eb4bcf3e345fbef0d6c
SHA1 hash:
21df75ac80bb07e3ee7c8d93ed756c6059a50448
Link:
https://www.unpac.me/results/02abc21b-aa16-410d-8bca-caefd86477cf/
SH256 hash:
a1fafc7d9825ebd9d7dc533f005452ce890bda0e668a05d9badadbfe08d2e22a
MD5 hash:
cc367fe1848c91a297f5fe232ce5d840
SHA1 hash:
a8930fc963bcf4a7b1e31ea64f6fe6650a31159f
Link:
https://www.unpac.me/results/02abc21b-aa16-410d-8bca-caefd86477cf/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a1fafc7d9825/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/a1fafc7d9825ebd9d7dc533f005452ce890bda0e668a05d9badadbfe08d2e22a

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

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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