MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 379881346425e6120d1e9a79c068dde58ed25b72403b3fbdb0647879fca9b75b. 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: 18


Intelligence 18 IOCs YARA 5 File information Comments
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SHA256 hash: 379881346425e6120d1e9a79c068dde58ed25b72403b3fbdb0647879fca9b75b
SHA3-384 hash: 90c822a7ccc38b6870c01926cd250e2334ad88919945d468ed383fece5701f351a5902554a8f440fa18f150833d4ce3c
SHA1 hash: 2dfd0233f02197354964b2b1ef5b33ea39b16a32
MD5 hash: a06036b9088a5e1dcbd2508f1d42bf39
humanhash: pip-hydrogen-mirror-juliet
File name:SecuriteInfo.com.Win32.MalwareX-gen.634.29708
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:466'944 bytes
First seen:2024-09-05 11:42:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:HtrrIp3RuRORfu4drGNF4KaxgnczacL5gKGTcP+CSJzSU9x20lg:lIpwFjdWPxsWg3l
Threatray 1'333 similar samples on MalwareBazaar
TLSH T185A4A50FBA47C5B1C2882736C5DA440413B4DAC1E7AFDB1AB98E23DA49437BB9D41237
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)
Magika pebin
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
435
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.MalwareX-gen.634.29708
Verdict:
Malicious activity
Analysis date:
2024-09-05 12:00:50 UTC
Tags:
rat remcos remote evasion
Link:
https://app.any.run/tasks/63c20ed1-095f-47f7-b519-e94725c12403

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.634.29708.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d9994af3d7ccf99f9012fe
Tags:
Discovery Infostealer Network Stealth Remcos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request to an infection source
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
DNS request
Connection attempt
Sending an HTTP GET request
Connection attempt to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
net_reactor packed remcos
Link:
https://www.filescan.io/uploads/66d999495c270e35fa448b63/reports/4d7173ab-b59c-4772-9ea9-924bcb0587d5/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/379881346425e6120d1e9a79c068dde58ed25b72403b3fbdb0647879fca9b75b
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/dbb0c9c0-5447-4c63-8396-663d3a83c59d
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1504825
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
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
Drops PE files to the document folder of the user
Found malware configuration
Injects a PE file into a foreign processes
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
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1504825 Sample: SecuriteInfo.com.Win32.Malw... Startdate: 05/09/2024 Architecture: WINDOWS Score: 100 30 geoplugin.net 2->30 36 Suricata IDS alerts for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 9 other signatures 2->42 7 SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe 16 4 2->7         started        12 Ujmmi.exe 14 2 2->12         started        14 Ujmmi.exe 2 2->14         started        signatures3 process4 dnsIp5 32 80.66.75.47, 49730, 49731, 49732 RISS-ASRU Russian Federation 7->32 24 C:\Users\user\Documents\Ujmmi.exe, PE32 7->24 dropped 26 C:\Users\user\...\Ujmmi.exe:Zone.Identifier, ASCII 7->26 dropped 44 Drops PE files to the document folder of the user 7->44 46 Contains functionalty to change the wallpaper 7->46 48 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->48 50 Delayed program exit found 7->50 16 SecuriteInfo.com.Win32.MalwareX-gen.634.29708.exe 2 13 7->16         started        52 Multi AV Scanner detection for dropped file 12->52 54 Machine Learning detection for dropped file 12->54 56 Contains functionality to steal Chrome passwords or cookies 12->56 58 Contains functionality to steal Firefox passwords or cookies 12->58 20 Ujmmi.exe 12->20         started        60 Injects a PE file into a foreign processes 14->60 22 Ujmmi.exe 14->22         started        file6 signatures7 process8 dnsIp9 28 geoplugin.net 178.237.33.50, 49743, 80 ATOM86-ASATOM86NL Netherlands 16->28 34 Detected Remcos RAT 16->34 signatures10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/379881346425e6120d1e9a79c068dde58ed25b72403b3fbdb0647879fca9b75b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/379881346425e6120d1e9a79c068dde58ed25b72403b3fbdb0647879fca9b75b/
Threat name:
ByteCode-MSIL.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2024-09-05 09:50:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g6micndeextbedi6tj44a2g54whnew3sia5t7pnqmr4ht7fjw5nq._file
Verdict:
malicious
Similar samples:
1cce0e4c3b171f62ebdf5348a2d32d8c5bce25ae74c4a89f70012bb4ccfca5c1
RemcosRAT
379881346425e6120d1e9a79c068dde58ed25b72403b3fbdb0647879fca9b75b
RemcosRAT
59ed6405e3f3ef450c65aeefd031426c39b014505555b4e7341be27916351436
RemcosRAT
71e762ecac0d40f0f0dd22638eba76ad746059678409cd94aaaea8719aa42fc7
RemcosRAT
85b919ece43dc0c15de0aef94314fadc1321dbe8c6c6a51bb2471571ae94541b
RemcosRAT
abcdce91fde094dd2eeafa37e7cf5c8c9a880739b53ed0b882770cd55ee9fc52
RemcosRAT
d5b1bfd640980218ef11f409fa2b966c84c402e93eb47c3bce412096bec5284f
RemcosRAT
+ 1'323 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery persistence rat
Link:
https://tria.ge/reports/240905-nvkhms1anh/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
80.66.75.47:55777
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d87cecbd-69e8-4a3f-b36d-5255ab33167e
Unpacked files
SH256 hash:
379881346425e6120d1e9a79c068dde58ed25b72403b3fbdb0647879fca9b75b
MD5 hash:
a06036b9088a5e1dcbd2508f1d42bf39
SHA1 hash:
2dfd0233f02197354964b2b1ef5b33ea39b16a32
Detections:
SUSP_OBF_NET_Eazfuscator_String_Encryption_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/f6e9b362-b117-4e43-84f7-54d970c1ab69/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/379881346425/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/379881346425e6120d1e9a79c068dde58ed25b72403b3fbdb0647879fca9b75b

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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:NET
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