MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f877b39e42932d1cb0bb2df1742c5fb492fdca752970e3397e733218d112be7b. 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


OrcusRAT


Vendor detections: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f877b39e42932d1cb0bb2df1742c5fb492fdca752970e3397e733218d112be7b
SHA3-384 hash: 9a9647c10a8ae9bfb3e8efdc7a769e015918e87c0f1619888b2e3bd4326e9ffebbe7af84c7cceb312b9a3fdb45639550
SHA1 hash: 1a5f9e929ed8f3a83073156403a2cd943f29523b
MD5 hash: 128f9907493f02c86832e77ee1baeb50
humanhash: fanta-indigo-georgia-carolina
File name:128f9907493f02c86832e77ee1baeb50.exe
Download: download sample
Signature OrcusRAT
Create hunting rule
File size:1'047'040 bytes
First seen:2024-03-24 12:05:19 UTC
Last seen:2024-07-25 01:30:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:le3veFbXAD9zWi4MxO6m6b/fYLGACf9Dtc2PyY:le/etqzXOu1Ff9DtTy
TLSH T14E2512C1D5644A33C26582BFF1F24C218F26DE76B85AC5FABD0DB27B587FB648121A01
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 60060f3f3f3f3f00 (2 x Sality, 1 x OrcusRAT, 1 x CobaltStrike)
Reporter abuse_ch
Tags:exe OrcusRAT


Avatar
abuse_ch
OrcusRAT C2:
45.157.69.156:443

Intelligence

File Origin
# of uploads :
3
# of downloads :
476
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f877b39e42932d1cb0bb2df1742c5fb492fdca752970e3397e733218d112be7b.exe
Verdict:
Malicious activity
Analysis date:
2024-03-24 12:06:33 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cbcd70d5-537b-46c9-96be-8fbe53c30ea4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Сreating synchronization primitives
Creating a process from a recently created file
Launching a process
Moving a file to the Program Files subdirectory
Replacing files
Unauthorized injection to a recently created process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
orcus packed tiny
Link:
https://www.filescan.io/uploads/6600172bb81a555db48d5e6f/reports/8b15cc1a-2f37-411c-9b2e-347812d2189c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f877b39e42932d1cb0bb2df1742c5fb492fdca752970e3397e733218d112be7b
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/fd7faf94-a7b4-4284-b607-210dda881f7b
Result
Threat name:
Orcus
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1414704
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
Contains functionality to disable the Task Manager (.Net Source)
Found malware configuration
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
Yara detected Costura Assembly Loader
Yara detected Orcus RAT
Behaviour
Behavior Graph:
Download SVG
Score:
87%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f877b39e42932d1cb0bb2df1742c5fb492fdca752970e3397e733218d112be7b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f877b39e42932d1cb0bb2df1742c5fb492fdca752970e3397e733218d112be7b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-03-20 12:50:00 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
17
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7b33hhscsmwrzmf3fxyxilc7wsjp3stvffyogol6omzbruisxz5q._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240324-n9qm7scf68/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
f877b39e42932d1cb0bb2df1742c5fb492fdca752970e3397e733218d112be7b
MD5 hash:
128f9907493f02c86832e77ee1baeb50
SHA1 hash:
1a5f9e929ed8f3a83073156403a2cd943f29523b
Link:
https://www.unpac.me/results/d58d7aa8-1bd1-4404-b3e2-6c2fde17cf83/
Malware family:
OrcusRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f877b39e4293/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/f877b39e42932d1cb0bb2df1742c5fb492fdca752970e3397e733218d112be7b

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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table

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