MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0e774be445bb1b5e3d5f53b1562f9158e35d5738a67f43631d63b6d44cc98604. 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: 14


Intelligence 14 IOCs YARA 29 File information Comments
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SHA256 hash: 0e774be445bb1b5e3d5f53b1562f9158e35d5738a67f43631d63b6d44cc98604
SHA3-384 hash: a1bdbcf86155a2b2131ab8766fe5da6ee27fb6d449012c9898bd5d5634571ac66a0d6157775910e8a300ed763d6a0411
SHA1 hash: 037ad653f4dde24538ac45e05495b71b0076e6f7
MD5 hash: f93b95db5817b4e7964c2b2cfd8b0592
humanhash: july-december-cola-bulldog
File name:FAC0098767890000.exe
Download: download sample
Signature RemcosRAT
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File size:438'705 bytes
First seen:2023-11-06 17:00:24 UTC
Last seen:2023-11-06 18:16:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 12288:fwRUQiNLSoptZwE9PD7V7LcPg32YAFHBTg76:fwSQuVp11PtARdgu
TLSH T14194120535E281AAC9C877F019F5A67AF2716C600124C14B9FF87F2AFA72563DE8A10D
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 174f4559191b1b13 (81 x AgentTesla, 68 x Formbook, 34 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
107.175.229.139:8087

Intelligence

File Origin
# of uploads :
2
# of downloads :
366
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.FileRepMalware.4122.1629.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Setting a keyboard event handler
Sending a custom TCP request
DNS request
Creating a file
Sending an HTTP GET request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a recently created process
Stealing user critical data
Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/65491bd10adeb03433509c43/reports/3071f3df-f5a7-4851-99ae-83edfa314631/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/0e774be445bb1b5e3d5f53b1562f9158e35d5738a67f43631d63b6d44cc98604
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/9a580489-4de6-4718-b82d-76c9d180388b
Result
Threat name:
Remcos
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Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1337795
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to modify clipboard data
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 evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Installs a global keyboard hook
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Snort IDS alert 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)
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: 1337795 Sample: FAC0098767890000.exe Startdate: 06/11/2023 Architecture: WINDOWS Score: 100 51 geoplugin.net 2->51 65 Snort IDS alert for network traffic 2->65 67 Multi AV Scanner detection for domain / URL 2->67 69 Found malware configuration 2->69 71 10 other signatures 2->71 9 FAC0098767890000.exe 17 2->9         started        12 njsoxhdmvr.exe 1 2->12         started        15 njsoxhdmvr.exe 1 2->15         started        signatures3 process4 file5 47 C:\Users\user\AppData\Local\Temp\ecthp.exe, PE32 9->47 dropped 17 ecthp.exe 1 3 9->17         started        79 Multi AV Scanner detection for dropped file 12->79 81 Machine Learning detection for dropped file 12->81 83 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->83 21 conhost.exe 12->21         started        23 njsoxhdmvr.exe 12->23         started        85 Maps a DLL or memory area into another process 15->85 25 conhost.exe 15->25         started        27 njsoxhdmvr.exe 15->27         started        signatures6 process7 file8 45 C:\Users\user\AppData\...\njsoxhdmvr.exe, PE32 17->45 dropped 57 Multi AV Scanner detection for dropped file 17->57 59 Contains functionality to bypass UAC (CMSTPLUA) 17->59 61 Tries to steal Mail credentials (via file registry) 17->61 63 10 other signatures 17->63 29 ecthp.exe 3 16 17->29         started        34 conhost.exe 17->34         started        signatures9 process10 dnsIp11 53 107.175.229.139, 49708, 49709, 8087 AS-COLOCROSSINGUS United States 29->53 55 geoplugin.net 178.237.33.50, 49710, 80 ATOM86-ASATOM86NL Netherlands 29->55 49 C:\ProgramData\remcos\logs.dat, data 29->49 dropped 87 Maps a DLL or memory area into another process 29->87 89 Installs a global keyboard hook 29->89 36 ecthp.exe 1 29->36         started        39 ecthp.exe 1 29->39         started        41 ecthp.exe 2 29->41         started        43 2 other processes 29->43 file12 signatures13 process14 signatures15 73 Tries to steal Instant Messenger accounts or passwords 36->73 75 Tries to steal Mail credentials (via file / registry access) 36->75 77 Tries to harvest and steal browser information (history, passwords, etc) 39->77
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/0e774be445bb1b5e3d5f53b1562f9158e35d5738a67f43631d63b6d44cc98604
Detection:
remcos
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Link:
https://mwdb.cert.pl/sample/0e774be445bb1b5e3d5f53b1562f9158e35d5738a67f43631d63b6d44cc98604/
Threat name:
Win32.Trojan.LokiBot
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Status:
Malicious
First seen:
2023-11-06 17:01:05 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bz3uxzcfxmnv4pk7koyvml4rldrv2vzyuz7ugyy5mo3nitgjqyca._file
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:remcosbin collection persistence rat spyware stealer upx
Link:
https://tria.ge/reports/231106-vjhy1ace7x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
UPX packed file
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
107.175.229.139:8087
Unpacked files
SH256 hash:
0e774be445bb1b5e3d5f53b1562f9158e35d5738a67f43631d63b6d44cc98604
MD5 hash:
f93b95db5817b4e7964c2b2cfd8b0592
SHA1 hash:
037ad653f4dde24538ac45e05495b71b0076e6f7
Link:
https://www.unpac.me/results/3ddc5da8-9e8c-4a34-bdde-48261afb775f/
Malware family:
Remcos
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0e774be445bb/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.63
Link:
https://yomi.yoroi.company/submissions/0e774be445bb1b5e3d5f53b1562f9158e35d5738a67f43631d63b6d44cc98604

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:BLOWFISH_Constants
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Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DebuggerCheck__API
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
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_EXE_Packed_MPress
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Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
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Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
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Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
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Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
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Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:meth_stackstrings
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Author:Willi Ballenthin
Rule name:NET
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Author:malware-lu
Rule name:QbotStuff
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Author:anonymous
Rule name:Remcos
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Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
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Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
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Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:TeslaCryptPackedMalware
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Rule name:ThreadControl__Context
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
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Author:malware-lu
Rule name:upx_3
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Author:Kevin Falcoz
Description:UPX 3.X
Rule name:Windows_Trojan_Remcos_b296e965
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Author:Elastic Security
Rule name:win_remcos_auto
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Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_w0
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Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
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Author:Matthew @ Embee_Research
Rule name:yara_template
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File information

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

Comments