MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 187436e790f4c435e8a752ebb888fe2e13082ff05fa49a89f4815e701a96e2e9. 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


Arechclient2


Vendor detections: 13


Intelligence 13 IOCs YARA 13 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 187436e790f4c435e8a752ebb888fe2e13082ff05fa49a89f4815e701a96e2e9
SHA3-384 hash: 438cd9ef4656d56c4deb94d2586e4bbb9e174bac636e82d7b01746f4e0bea12fd327276e92b0925c9000087a1896df05
SHA1 hash: 6577d31ddffd763e0165ea989e34040eae8a88ae
MD5 hash: 4375452de1e60bbe4f29af7349d99803
humanhash: cola-black-connecticut-tennis
File name:4375452de1e60bbe4f29af7349d99803
Download: download sample
Signature Arechclient2
Create hunting rule
File size:6'281'728 bytes
First seen:2024-01-18 12:46:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 98304:gZwSxPlReABBw6fI6lLk5HHqTDVsNZLFG9Vvkw3VthmzFBrVGjBK5M:gZwuPlReATwinkK3VsPFelxFthmRBsMC
Threatray 9 similar samples on MalwareBazaar
TLSH T1D1568D023745D91AC26EA63BC8CF441983FDE8413763E72B7E8933AD69027665D0E5CE
TrID 49.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.9% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.7% (.SCR) Windows screen saver (13097/50/3)
7.0% (.EXE) Win64 Executable (generic) (10523/12/4)
4.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon f0e8d8e0ccc4c0c4 (1 x Arechclient2)
Reporter zbetcheckin
Tags:32 Arechclient2 exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
332
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
Arechclient2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/471507/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %temp% directory
Launching a process
Creating a file
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Creating a window
Reading critical registry keys
Sending a TCP request to an infection source
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control expand installutil lolbin net_reactor obfuscated packed packed replace
Link:
https://www.filescan.io/uploads/65a91dc83b363792f35aab3b/reports/a94f2766-1a64-4201-8958-2b795b92bd5f/overview
Verdict:
Malicious
Labled as:
MSIL/Kryptik.AKQF trojan
Link:
https://www.hybrid-analysis.com/sample/187436e790f4c435e8a752ebb888fe2e13082ff05fa49a89f4815e701a96e2e9
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:
Malicious
Link:
https://analyze.intezer.com/analyses/6a10f6ec-f597-4570-90a1-627b58b85096
Result
Threat name:
RedLine, SectopRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1376742
Signature
Antivirus detection for URL or domain
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Set autostart key via New-ItemProperty Cmdlet
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected RedLine Stealer
Yara detected SectopRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1376742 Sample: JjhguFwCT7.exe Startdate: 18/01/2024 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 5 other signatures 2->49 7 JjhguFwCT7.exe 4 2->7         started        11 News_in_the_global_finance_industry.exe 2->11         started        13 News_in_the_global_finance_industry.exe 1 2->13         started        process3 file4 31 C:\Users\user\AppData\...\Protect544cd51a.dll, PE32 7->31 dropped 33 News_in_the_global_finance_industry.exe, PE32 7->33 dropped 51 Suspicious powershell command line found 7->51 15 InstallUtil.exe 16 7->15         started        19 powershell.exe 1 22 7->19         started        21 InstallUtil.exe 11->21         started        23 InstallUtil.exe 11->23         started        25 WerFault.exe 11->25         started        53 Multi AV Scanner detection for dropped file 13->53 27 InstallUtil.exe 10 13->27         started        signatures5 process6 dnsIp7 35 194.26.29.153, 15648, 49710, 49712 RELIABLESITEUS unknown 15->35 37 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 15->37 39 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 15->39 29 conhost.exe 19->29         started        41 Tries to harvest and steal browser information (history, passwords, etc) 21->41 signatures8 process9
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/187436e790f4c435e8a752ebb888fe2e13082ff05fa49a89f4815e701a96e2e9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/187436e790f4c435e8a752ebb888fe2e13082ff05fa49a89f4815e701a96e2e9/
Threat name:
ByteCode-MSIL.Trojan.LummaStealer
Create hunting rule
Status:
Malicious
First seen:
2024-01-18 11:07:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
44
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=db2dnz4q6tcdl2fhklv3rch6fyjqql7ql6sjvcpuqfphaguw4luq._file
Verdict:
suspicious
Similar samples:
187436e790f4c435e8a752ebb888fe2e13082ff05fa49a89f4815e701a96e2e9
Arechclient2
897b63dc56623c54120c95340a7e8c416786dbc18bb03dae3300ab2fd57e928a
Arechclient2
9133b62cf224ab836d86d3aff622629e91730a557ade8fc281261a9f49e7b319
Arechclient2
a0b01f56081b68bc18bd205504d6ab8b38e5f722e5a2570d5f530c74c26f3ea1
Arechclient2
b0d597376ab14db3b72b28354535e19a6598765ccf380ae74dfd534fe0a81964
Arechclient2
Result
Malware family:
sectoprat
Create hunting rule
Score:
  10/10
Tags:
family:sectoprat persistence rat trojan
Link:
https://tria.ge/reports/240118-pz7peabgcp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
SectopRAT
SectopRAT payload
Unpacked files
SH256 hash:
63366bb58836a4d9fc6a7fb5632ce6aeb52fd2ec57ea5d766b27bfedf7b7deee
MD5 hash:
a6810a5899b5a89ee483c9e94dacb015
SHA1 hash:
c787d081f7534936636b17d94ecee651fd64fdac
Link:
https://www.unpac.me/results/1f8b443b-2ed6-4d9e-96be-4b6cde519be7/
SH256 hash:
d51f64cf200acd746714b29f4957225c8f49ec322b05f9dfe84453f2790dde49
MD5 hash:
3dc5a3be892edb35b5f136b337e12ede
SHA1 hash:
9a2dc913e94561ce98065d6a59bebb7311cab8d2
Detections:
SUSP_XORed_URL_In_EXE
Create hunting rule
MALWARE_Win_Arechclient2
Create hunting rule
Link:
https://www.unpac.me/results/1f8b443b-2ed6-4d9e-96be-4b6cde519be7/
Parent samples :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 hash:
6a26df7ee49de6fec6c5de1f3f7a94075d2dfbc50922e3b30fd8111f2e734f33
MD5 hash:
f45c1512d5a47375e6e396b4d1111e58
SHA1 hash:
8af036b8c60d10e85cf82212930bb04bc0553f36
Link:
https://www.unpac.me/results/1f8b443b-2ed6-4d9e-96be-4b6cde519be7/
SH256 hash:
dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd
MD5 hash:
544cd51a596619b78e9b54b70088307d
SHA1 hash:
4769ddd2dbc1dc44b758964ed0bd231b85880b65
Link:
https://www.unpac.me/results/1f8b443b-2ed6-4d9e-96be-4b6cde519be7/
SH256 hash:
ee5d8d19b12e43459490c9c27024416c670a133fc3f1972fc8f24c6f2b80544c
MD5 hash:
2a3d628b8e04f48a8aea26a687cdc545
SHA1 hash:
e44b4764e00b4e3607f226ab0388403ee785e0bd
Link:
https://www.unpac.me/results/1f8b443b-2ed6-4d9e-96be-4b6cde519be7/
SH256 hash:
187436e790f4c435e8a752ebb888fe2e13082ff05fa49a89f4815e701a96e2e9
MD5 hash:
4375452de1e60bbe4f29af7349d99803
SHA1 hash:
6577d31ddffd763e0165ea989e34040eae8a88ae
Link:
https://www.unpac.me/results/1f8b443b-2ed6-4d9e-96be-4b6cde519be7/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/187436e790f4/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/187436e790f4c435e8a752ebb888fe2e13082ff05fa49a89f4815e701a96e2e9

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:grakate_stealer_nov_2021
Create hunting rule
Rule name:MALWARE_Win_Arechclient2
Create hunting rule
Author:ditekSHen
Description:Detects Arechclient2 RAT
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_XORed_URL_In_EXE
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Windows_Trojan_RedLineStealer_15ee6903
Create hunting rule
Author:Elastic Security

File information

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

Web download

Arechclient2

Executable exe 187436e790f4c435e8a752ebb888fe2e13082ff05fa49a89f4815e701a96e2e9

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2745413/
  
URLhaus
https://urlhaus.abuse.ch/url/2738927/
  
URLhaus
https://urlhaus.abuse.ch/url/2735280/
  
URLhaus
https://urlhaus.abuse.ch/url/2733618/
  
URLhaus
https://urlhaus.abuse.ch/url/2736337/
Cape
Cape
https://www.capesandbox.com/analysis/471507/

Comments


Avatar
zbet commented on 2024-01-18 12:46:26 UTC

url : hxxp://185.172.128.113/hv.exe