MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 effb59e562e566570fbd4dc5df959dd14ad9f0a181b65189644fdfe9425692a4. 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 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: effb59e562e566570fbd4dc5df959dd14ad9f0a181b65189644fdfe9425692a4
SHA3-384 hash: d901e2b08d9c4f604e62874974db01929784fa5871d693d5da5e8995ff796f6c905b75f48a38bf39c3f36ca88dc3bda5
SHA1 hash: 4bff52933e1beb10ca9b24f4ca520824f7dd4d43
MD5 hash: 56729ceff54040279ee91421f81b2eb6
humanhash: california-eighteen-crazy-enemy
File name:DHL SHIPPING DOC 5596370080.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'024'512 bytes
First seen:2024-06-11 18:28:12 UTC
Last seen:2024-06-11 19:27:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:u9jH3DIiUsayYAATnSy8phsWX73hdQByIdq7ZIBrE24BvGxtP:oP1wRA8o+I4fKZid4c/P
Threatray 4'173 similar samples on MalwareBazaar
TLSH T1722523417BBCD724DA2E2FBDB0B4B68187BCB1C61953F7EC2EC960825A12649EC54743
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)
Reporter abuse_ch
Tags:DHL exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
372
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
effb59e562e566570fbd4dc5df959dd14ad9f0a181b65189644fdfe9425692a4.exe
Verdict:
Malicious activity
Analysis date:
2024-06-11 18:32:05 UTC
Tags:
rat remcos remote evasion
Link:
https://app.any.run/tasks/f8708abb-80be-4176-960b-eeb37f38cc7f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.16241.32040.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66689879a439c6d6b0877fedwin10vpnfull_triage
Tags:
Execution Network Static Stealth Remcos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
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
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/effb59e562e566570fbd4dc5df959dd14ad9f0a181b65189644fdfe9425692a4
Result
Verdict:
MALICIOUS
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/b8cd59be-776e-4979-ba3c-14988c6bd792
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1455426
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 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
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 Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1455426 Sample: DHL SHIPPING DOC 5596370080.exe Startdate: 11/06/2024 Architecture: WINDOWS Score: 100 44 geoplugin.net 2->44 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 11 other signatures 2->56 8 DLrSCdTwYpnGLw.exe 5 2->8         started        11 DHL SHIPPING DOC 5596370080.exe 7 2->11         started        signatures3 process4 file5 58 Multi AV Scanner detection for dropped file 8->58 60 Contains functionalty to change the wallpaper 8->60 62 Machine Learning detection for dropped file 8->62 66 4 other signatures 8->66 14 DLrSCdTwYpnGLw.exe 8->14         started        17 schtasks.exe 1 8->17         started        36 C:\Users\user\AppData\...\DLrSCdTwYpnGLw.exe, PE32 11->36 dropped 38 C:\...\DLrSCdTwYpnGLw.exe:Zone.Identifier, ASCII 11->38 dropped 40 C:\Users\user\AppData\Local\...\tmp3ACE.tmp, XML 11->40 dropped 42 C:\...\DHL SHIPPING DOC 5596370080.exe.log, ASCII 11->42 dropped 64 Adds a directory exclusion to Windows Defender 11->64 19 DHL SHIPPING DOC 5596370080.exe 2 13 11->19         started        22 powershell.exe 23 11->22         started        24 schtasks.exe 1 11->24         started        26 DHL SHIPPING DOC 5596370080.exe 11->26         started        signatures6 process7 dnsIp8 28 conhost.exe 17->28         started        46 103.150.8.12, 49702, 5689 XTOM-AS-JPxTomJP unknown 19->46 48 geoplugin.net 178.237.33.50, 49704, 80 ATOM86-ASATOM86NL Netherlands 19->48 68 Detected Remcos RAT 19->68 70 Loading BitLocker PowerShell Module 22->70 30 WmiPrvSE.exe 22->30         started        32 conhost.exe 22->32         started        34 conhost.exe 24->34         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/effb59e562e566570fbd4dc5df959dd14ad9f0a181b65189644fdfe9425692a4
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/effb59e562e566570fbd4dc5df959dd14ad9f0a181b65189644fdfe9425692a4/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-06-11 12:55:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=575vtzlc4vtfod55jxc57fm52ffnt4fbqg3fdclej7p6sqswsksa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159
RemcosRAT
4e1899294fcd9043ed50cb9f02a7085b4c243deb30e3c2d5bdaeac2569fe0e6e
RemcosRAT
7f925d4a0830c62f1b2a249a4dff90aaa763eef16de42675776f2010d57c4909
RemcosRAT
9962c1342cb0ac4e1af01df52f756b70992a0ced5a53e46f770a196033f3762d
RemcosRAT
a1fafc7d9825ebd9d7dc533f005452ce890bda0e668a05d9badadbfe08d2e22a
RemcosRAT
e825cdfc2e4a1b1c6a56602cce16417f55e4f42c699cea18b4dddbbf85d9527f
RemcosRAT
+ 4'163 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:76364 execution rat
Link:
https://tria.ge/reports/240611-w4wk9swhnn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Malware Config
C2 Extraction:
103.150.8.12:5689
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1663865b-d4e8-495c-a6dc-4a7e18f90f3a
Unpacked files
SH256 hash:
d67867ef93204c27c126a41fa778fcdbf89e34a3750014d8cc4a9394a1300d96
MD5 hash:
cfddc0c2c035e91ecc76782ff513e30a
SHA1 hash:
efd2f376cd2a3574240be6b03c563f42630a6ef7
Link:
https://www.unpac.me/results/6e4a81cb-8659-4805-a17a-544a9ac2c21a/
Parent samples :
82cbe9fc57abd337a5bf0d0d478ae7fb9158987c1d7c5006b20e309c06329ae8
804aee8eba800043c912038c55c36edeb8dd761913047e99b4a5e8d8cb8ef6c4
SH256 hash:
c017001d9e36dbe368d45d7e4345210401087afc9ab7e3e75e5342892635bdb6
MD5 hash:
6c0d13e25919ad1213add0dd45d38bc6
SHA1 hash:
cff0f15b24fe9b2a4017ca720ecfbfa2adb67265
Link:
https://www.unpac.me/results/6e4a81cb-8659-4805-a17a-544a9ac2c21a/
SH256 hash:
f80ef6d3aba9cc2a3f1b369285a32be4b48b614fc5d5b2e92168e45fda3a7971
MD5 hash:
0cf0b5052eee16711e158e1d4d75c380
SHA1 hash:
bf5408a8ab921779b70c33380aeb6487522b6928
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_EventViewer
Create hunting rule
Link:
https://www.unpac.me/results/6e4a81cb-8659-4805-a17a-544a9ac2c21a/
Parent samples :
e0d74fa44286f3a4c4c4c2fc151a339f487c2af644fb9691016dcf057b3bd343
47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159
b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d
f80ef6d3aba9cc2a3f1b369285a32be4b48b614fc5d5b2e92168e45fda3a7971
70029840a2c10f707e5b6bee6a48c4c7fb1fc3efe79215d7bb01c5e2967848cb
4e1899294fcd9043ed50cb9f02a7085b4c243deb30e3c2d5bdaeac2569fe0e6e
747ea71ee4743ed14b66b6a88371819a04350632aeb3ed66e4d40ec53a9ba5ec
ea838ad000acd44a3a8abc21a9e131f32ecd9a197383782b516dda22d6047105
effb59e562e566570fbd4dc5df959dd14ad9f0a181b65189644fdfe9425692a4
caeb39e11b7af2a2c1cc8d0eb89886f570246d95e366aac9f153d9e1441297dc
SH256 hash:
1a1de9f3fe4c3a7ea7cd547cdd9d78b3873d6e243e544e5bb647452d6d9f6cfe
MD5 hash:
ceb52a5c98659e8905ea76737fe00c01
SHA1 hash:
bb7b30ff84d6aa26eaa0021c9fa3cd2c5a08e694
Link:
https://www.unpac.me/results/6e4a81cb-8659-4805-a17a-544a9ac2c21a/
SH256 hash:
effb59e562e566570fbd4dc5df959dd14ad9f0a181b65189644fdfe9425692a4
MD5 hash:
56729ceff54040279ee91421f81b2eb6
SHA1 hash:
4bff52933e1beb10ca9b24f4ca520824f7dd4d43
Link:
https://www.unpac.me/results/6e4a81cb-8659-4805-a17a-544a9ac2c21a/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/effb59e562e5/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/effb59e562e566570fbd4dc5df959dd14ad9f0a181b65189644fdfe9425692a4

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
Create hunting rule
Author:malware-lu
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:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

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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