MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d. 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 16 File information Comments
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SHA256 hash: b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d
SHA3-384 hash: 466f4de34f5686759491d81263b7044dbf67a1376cc764764786b3174ebaf8550f4f1014aa11f826ec6a59bfd062f96c
SHA1 hash: db59b429d52a174f285bca3e648da12ce14e8eaa
MD5 hash: c0a2a67a65ca2de4bafa5b8d5aee0527
humanhash: charlie-ohio-mountain-coffee
File name:DHL AWB 890089300.exe
Download: download sample
Signature RemcosRAT
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File size:1'078'784 bytes
First seen:2024-05-16 15:16:01 UTC
Last seen:2024-05-16 16:35:43 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 24576:ZvlIJSNI0eOcZdrQrJF3kkR82WkaiX3BZW9ngnFCDAcNep:pleaIi4QrWka2jXn/Z
TLSH T1EC350244B6B89F66D57E57F828B101210BF0625AB06EE7984ED074CF1FA3F81486AF53
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 :
350
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d.exe
Verdict:
Malicious activity
Analysis date:
2024-05-16 15:16:22 UTC
Tags:
rat remcos remote evasion
Link:
https://app.any.run/tasks/d4845402-4a36-458d-9139-cf4c33864dcc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.37237.1609.5777.UNOFFICIAL
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Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed remcos
Link:
https://www.filescan.io/uploads/66462335bc04dffa921c132a/reports/5248a476-edd4-4671-948f-b1aa3f5c4583/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2e57609f-88ec-40ca-b0e9-7fe46ea4075b
Result
Threat name:
Remcos, PureLog Stealer
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Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1442715
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
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
Injects a PE file into a foreign processes
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1442715 Sample: DHL AWB 890089300.exe Startdate: 16/05/2024 Architecture: WINDOWS Score: 100 38 geoplugin.net 2->38 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 13 other signatures 2->50 8 eulqnm.exe 5 2->8         started        11 DHL AWB 890089300.exe 7 2->11         started        signatures3 process4 file5 52 Multi AV Scanner detection for dropped file 8->52 54 Contains functionalty to change the wallpaper 8->54 56 Machine Learning detection for dropped file 8->56 62 4 other signatures 8->62 14 eulqnm.exe 8->14         started        17 schtasks.exe 1 8->17         started        34 C:\Users\user\AppData\Roaming\eulqnm.exe, PE32 11->34 dropped 36 C:\Users\user\AppData\Local\...\tmp12E6.tmp, XML 11->36 dropped 58 Adds a directory exclusion to Windows Defender 11->58 60 Injects a PE file into a foreign processes 11->60 19 DHL AWB 890089300.exe 2 13 11->19         started        22 powershell.exe 23 11->22         started        24 schtasks.exe 1 11->24         started        signatures6 process7 dnsIp8 26 conhost.exe 17->26         started        40 103.150.8.12, 49701, 5689 XTOM-AS-JPxTomJP unknown 19->40 42 geoplugin.net 178.237.33.50, 49703, 80 ATOM86-ASATOM86NL Netherlands 19->42 64 Detected Remcos RAT 19->64 66 Loading BitLocker PowerShell Module 22->66 28 WmiPrvSE.exe 22->28         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d
Detection:
remcos
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Link:
https://mwdb.cert.pl/sample/b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d/
Threat name:
Win32.Backdoor.Remcos
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Status:
Malicious
First seen:
2024-05-16 15:17:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
21 of 23 (91.30%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wgab4ebpls25z2pcmkf5qcjsuon5k77wruzmqjfnirb7ppia5iwq._file
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:76364 execution rat
Link:
https://tria.ge/reports/240516-snfnbsae5w/
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
Unpacked files
SH256 hash:
39a7a6af6b059d3dc89e8eaaa748fea883b2b68f525fcf69b078b6dd86052c4b
MD5 hash:
9c87531374a9e9991ec711df1b0d6043
SHA1 hash:
c8bcf693c7d8903cecc1a4d65c0c9f75e0caffa6
Link:
https://www.unpac.me/results/848be52e-0c59-4fb5-8393-4a027e6b1674/
SH256 hash:
f80ef6d3aba9cc2a3f1b369285a32be4b48b614fc5d5b2e92168e45fda3a7971
MD5 hash:
0cf0b5052eee16711e158e1d4d75c380
SHA1 hash:
bf5408a8ab921779b70c33380aeb6487522b6928
Detections:
Remcos
Create hunting rule
win_remcos_w0
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win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
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Link:
https://www.unpac.me/results/848be52e-0c59-4fb5-8393-4a027e6b1674/
Parent samples :
e0d74fa44286f3a4c4c4c2fc151a339f487c2af644fb9691016dcf057b3bd343
47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159
b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d
f80ef6d3aba9cc2a3f1b369285a32be4b48b614fc5d5b2e92168e45fda3a7971
70029840a2c10f707e5b6bee6a48c4c7fb1fc3efe79215d7bb01c5e2967848cb
4e1899294fcd9043ed50cb9f02a7085b4c243deb30e3c2d5bdaeac2569fe0e6e
747ea71ee4743ed14b66b6a88371819a04350632aeb3ed66e4d40ec53a9ba5ec
ea838ad000acd44a3a8abc21a9e131f32ecd9a197383782b516dda22d6047105
effb59e562e566570fbd4dc5df959dd14ad9f0a181b65189644fdfe9425692a4
caeb39e11b7af2a2c1cc8d0eb89886f570246d95e366aac9f153d9e1441297dc
SH256 hash:
f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a
MD5 hash:
d172f59251b97b415b621d302e1be2b7
SHA1 hash:
b1534e603749c901b5ac185f20e281f6be7fa908
Link:
https://www.unpac.me/results/848be52e-0c59-4fb5-8393-4a027e6b1674/
SH256 hash:
975a454835e031a37b391a66f6fb5fd697ae369e501c6f2bce06af22a86dd2a2
MD5 hash:
fb7d3a274f7889af43e90cc2f6662d08
SHA1 hash:
68afefe7db5930e27e6f4fa9685f299bcab74277
Link:
https://www.unpac.me/results/848be52e-0c59-4fb5-8393-4a027e6b1674/
SH256 hash:
b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d
MD5 hash:
c0a2a67a65ca2de4bafa5b8d5aee0527
SHA1 hash:
db59b429d52a174f285bca3e648da12ce14e8eaa
Link:
https://www.unpac.me/results/848be52e-0c59-4fb5-8393-4a027e6b1674/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b1801e102f5c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d

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:DebuggerCheck__API
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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
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Author:malware-lu
Rule name:NETexecutableMicrosoft
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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