MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78764a448882b8743e795edf7f800ab2cf070190ac198602080a9538c0dca87b. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 78764a448882b8743e795edf7f800ab2cf070190ac198602080a9538c0dca87b
SHA3-384 hash: 7d2b29a7e61291ba48b7a8416444cb89557e828afbec4e2be1b61bb35659b72a4da55e29f93cd11e9ac1083f9431cdb5
SHA1 hash: 7b51ad62976b00b8823fa17c7adf99fa5efb618d
MD5 hash: 61c7eec7d12a64149a14713108907c34
humanhash: single-maine-item-hydrogen
File name:OFF GTFP 24-5007211 EMORGADO.scr
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:232'960 bytes
First seen:2024-05-31 07:47:09 UTC
Last seen:2024-05-31 08:31:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 3072:lE8oa+kj4zEW1exgP/DLnvpj/ujXtrOrfyC4S0EDazbsEobieI52TLmM:lEc+kC1eCHvpWjXtryfyCl0mLI52/m
TLSH T10E34A403B79285B1CA84D779C1EB0904D370DEC1AD9BD70A399A33E998737BF9C46246
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 f4f0dcecccd6c0e4 (2 x AgentTesla, 1 x RemcosRAT)
Reporter abuse_ch
Tags:exe RemcosRAT scr

Intelligence

File Origin
# of uploads :
2
# of downloads :
368
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
78764a448882b8743e795edf7f800ab2cf070190ac198602080a9538c0dca87b.exe
Verdict:
Malicious activity
Analysis date:
2024-05-31 07:59:38 UTC
Tags:
opendir
Link:
https://app.any.run/tasks/151f55cd-e92a-4d02-bee0-a12f36be7fb9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.KZB.gen.Eldorado.8699.25477.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=665988b020ad30d287677844win7simulatehigh_evasion
Tags:
Network Stealth Heur
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade net_reactor packed
Link:
https://www.filescan.io/uploads/665980b5c062667a224106af/reports/93be2293-303a-4c8e-9aa1-cb3aab8c7038/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/78764a448882b8743e795edf7f800ab2cf070190ac198602080a9538c0dca87b
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/7a6cf770-e49b-4b67-b045-81fa3ab5b3d8
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1450052
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus detection for URL or domain
Found many strings related to Crypto-Wallets (likely being stolen)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1450052 Sample: OFF GTFP 24-5007211 EMORGAD... Startdate: 31/05/2024 Architecture: WINDOWS Score: 100 28 247.106.0.0.in-addr.arpa 2->28 30 18.31.95.13.in-addr.arpa 2->30 44 Antivirus detection for URL or domain 2->44 46 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 6 other signatures 2->50 7 OFF GTFP 24-5007211 EMORGADO.scr.exe 15 5 2->7         started        12 Medieator.exe 14 3 2->12         started        14 Medieator.exe 2 2->14         started        signatures3 process4 dnsIp5 32 103.186.66.98, 49707, 49711, 52842 AARNET-AS-APAustralianAcademicandResearchNetworkAARNe unknown 7->32 24 C:\Users\user\AppData\Roaming\Medieator.exe, PE32 7->24 dropped 52 Found many strings related to Crypto-Wallets (likely being stolen) 7->52 54 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->54 16 OFF GTFP 24-5007211 EMORGADO.scr.exe 20 7->16         started        56 Multi AV Scanner detection for dropped file 12->56 58 Injects a PE file into a foreign processes 12->58 20 Medieator.exe 12->20         started        22 Medieator.exe 14->22         started        file6 signatures7 process8 dnsIp9 26 103.195.100.219, 49710, 49712, 52846 RELIABLESITEUS Singapore 16->26 34 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->34 36 Tries to steal Mail credentials (via file / registry access) 16->36 38 Found many strings related to Crypto-Wallets (likely being stolen) 16->38 40 Tries to harvest and steal browser information (history, passwords, etc) 22->40 42 Tries to harvest and steal Bitcoin Wallet information 22->42 signatures10
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/78764a448882b8743e795edf7f800ab2cf070190ac198602080a9538c0dca87b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/78764a448882b8743e795edf7f800ab2cf070190ac198602080a9538c0dca87b/
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2024-05-31 04:34:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pb3eureiqk4hiptzl3px7aakwlhqoamqvqmymaqibkktrqg4vb5q._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection persistence spyware stealer
Link:
https://tria.ge/reports/240531-jm5fmace58/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9cd6e09b-d7ab-4ee2-941e-f8ea6366ca89
Unpacked files
SH256 hash:
78764a448882b8743e795edf7f800ab2cf070190ac198602080a9538c0dca87b
MD5 hash:
61c7eec7d12a64149a14713108907c34
SHA1 hash:
7b51ad62976b00b8823fa17c7adf99fa5efb618d
Link:
https://www.unpac.me/results/39f4e3a2-b9f5-4238-a7a2-bd99852f0ca8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/78764a448882b8743e795edf7f800ab2cf070190ac198602080a9538c0dca87b

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 (GUARD_CF)high

Comments