MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4b866254a138ba8916229f5d90c9e406f64d8ed63906e22c1269e54df88427e. 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


RiseProStealer


Vendor detections: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4b866254a138ba8916229f5d90c9e406f64d8ed63906e22c1269e54df88427e
SHA3-384 hash: 25df71980146f619eb8100c49f8594e55ca6351e3eef2d7ee7827709634109c89709f9327afd8afc35d315c0edf96239
SHA1 hash: fcaad7d514ae8308083517ce7a369d1c3f061abd
MD5 hash: 9534e9f01eb7e26d090b04aa808ba99d
humanhash: charlie-ceiling-maine-fish
File name:9534e9f01eb7e26d090b04aa808ba99d.exe
Download: download sample
Signature RiseProStealer
Create hunting rule
File size:1'509'888 bytes
First seen:2024-03-05 13:40:52 UTC
Last seen:2024-03-05 15:29:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:N7qcqIM/xGr2VIHq4OaNrqJIonciHznGihc0UDW5PQoAyTxSvao:tWgr2VAq4OD+gcAzRYcxAyTxSvR
TLSH T13165120BB728D907C69C5736C0C7140567F86A4BA267E18879C227D20E27BE7FD86397
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter abuse_ch
Tags:exe RiseProStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
389
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a4b866254a138ba8916229f5d90c9e406f64d8ed63906e22c1269e54df88427e.exe
Verdict:
Malicious activity
Analysis date:
2024-03-05 13:47:08 UTC
Tags:
risepro
Link:
https://app.any.run/tasks/5a7ee815-d866-44c2-a243-918aa8df529b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.2403.4224.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
net_reactor packed packed
Link:
https://www.filescan.io/uploads/65e720f195e2f0fb7a8d2c0a/reports/158d097f-dd1e-4dd0-b1a9-eae9815ef003/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/a4b866254a138ba8916229f5d90c9e406f64d8ed63906e22c1269e54df88427e
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:
MassLogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0acda902-65b1-46cb-9b08-07a5e4788a9c
Result
Threat name:
PureLog Stealer, RisePro Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1403448
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Contains functionality to check for running processes (XOR)
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Found API chain indicative of sandbox detection
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found stalling execution ending in API Sleep call
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses known network protocols on non-standard ports
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected PureLog Stealer
Yara detected RisePro Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1403448 Sample: hoouo2Jv7m.exe Startdate: 05/03/2024 Architecture: WINDOWS Score: 100 62 ipinfo.io 2->62 64 db-ip.com 2->64 72 Snort IDS alert for network traffic 2->72 74 Multi AV Scanner detection for dropped file 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 9 other signatures 2->78 9 hoouo2Jv7m.exe 2 2->9         started        12 EdgeMS1709.exe 2->12         started        14 MSIUpdaterV1709.exe 2 2->14         started        16 3 other processes 2->16 signatures3 process4 signatures5 96 Contains functionality to inject code into remote processes 9->96 98 Writes to foreign memory regions 9->98 100 Allocates memory in foreign processes 9->100 18 RegAsm.exe 1 81 9->18         started        23 conhost.exe 9->23         started        102 Multi AV Scanner detection for dropped file 12->102 104 Machine Learning detection for dropped file 12->104 106 Injects a PE file into a foreign processes 12->106 35 3 other processes 12->35 25 RegAsm.exe 2 14->25         started        27 conhost.exe 14->27         started        29 conhost.exe 16->29         started        31 RegAsm.exe 16->31         started        33 conhost.exe 16->33         started        37 3 other processes 16->37 process6 dnsIp7 66 185.237.206.57, 49706, 49714, 49715 ITLDC-NLUA Ukraine 18->66 68 ipinfo.io 34.117.186.192, 443, 49707, 49719 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 18->68 70 db-ip.com 104.26.5.15, 443, 49708, 49720 CLOUDFLARENETUS United States 18->70 54 C:\Users\user\...\IYYClLFbAcyEFQzvrsrh.exe, PE32 18->54 dropped 56 C:\Users\user\AppData\...dgeMS1709.exe, PE32 18->56 dropped 58 C:\Users\user\AppData\...\crypted[1].exe, PE32 18->58 dropped 60 3 other malicious files 18->60 dropped 80 Contains functionality to check for running processes (XOR) 18->80 82 Tries to steal Mail credentials (via file / registry access) 18->82 84 Found stalling execution ending in API Sleep call 18->84 86 5 other signatures 18->86 39 IYYClLFbAcyEFQzvrsrh.exe 2 18->39         started        42 schtasks.exe 1 18->42         started        44 schtasks.exe 1 18->44         started        file8 signatures9 process10 signatures11 88 Multi AV Scanner detection for dropped file 39->88 90 Machine Learning detection for dropped file 39->90 92 Writes to foreign memory regions 39->92 94 2 other signatures 39->94 46 RegAsm.exe 2 39->46         started        48 conhost.exe 39->48         started        50 conhost.exe 42->50         started        52 conhost.exe 44->52         started        process12
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a4b866254a138ba8916229f5d90c9e406f64d8ed63906e22c1269e54df88427e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4b866254a138ba8916229f5d90c9e406f64d8ed63906e22c1269e54df88427e/
Threat name:
Win32.Spyware.Risepro
Create hunting rule
Status:
Malicious
First seen:
2024-03-05 13:41:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=us4gmjkkcof2relcfh25sde6ibxwjwhnmoig4iwbe2pfjx4iij7a._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:risepro family:zgrat rat stealer
Link:
https://tria.ge/reports/240305-qy359sga9t/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Detect ZGRat V1
RisePro
ZGRat
Malware Config
C2 Extraction:
185.237.206.57:50500
Unpacked files
SH256 hash:
92665157b5ed9f5aa1fe2791cada2abe0093c008294825f164db51a92c0ec6c2
MD5 hash:
2ee1211965f0ed455e7301c44c2b4bdf
SHA1 hash:
fc3fcd7314d9267a0a85e9d99718d8053876d815
Link:
https://www.unpac.me/results/d29b5fc6-615e-4bd3-bb85-b87dbd91e63b/
SH256 hash:
a4b866254a138ba8916229f5d90c9e406f64d8ed63906e22c1269e54df88427e
MD5 hash:
9534e9f01eb7e26d090b04aa808ba99d
SHA1 hash:
fcaad7d514ae8308083517ce7a369d1c3f061abd
Link:
https://www.unpac.me/results/d29b5fc6-615e-4bd3-bb85-b87dbd91e63b/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a4b866254a13/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/a4b866254a138ba8916229f5d90c9e406f64d8ed63906e22c1269e54df88427e

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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