MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28789e97db3a2be3cce780dc16cbfdd675ecf579b81a497efc042914f22cfc77. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28789e97db3a2be3cce780dc16cbfdd675ecf579b81a497efc042914f22cfc77
SHA3-384 hash: 4c6ba54da10d48df1234104ddecfaaf1a140f7c523524783c50e37b9c61d675c24a71d2535298eda460930a557164e97
SHA1 hash: 79df630c05461d0cc3e85c47b7e2c71134c49d19
MD5 hash: b16089c702ad04c658c980cc3ccedcaf
humanhash: kentucky-maine-magnesium-mockingbird
File name:b16089c702ad04c658c980cc3ccedcaf.exe
Download: download sample
Signature Arechclient2
Create hunting rule
File size:956'928 bytes
First seen:2023-01-13 16:00:27 UTC
Last seen:2023-01-13 17:50:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:T8qgTXcBzhVlLSqbi4itDKs8EL7FvIUmLO:wzcBzhVBSqbi9xKstt9m
Threatray 664 similar samples on MalwareBazaar
TLSH T136150163272EC5EAECBA1773E065710A6377590B72CBC996FC5090CCA7434C2D346A9E
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:Arechclient2 exe


Avatar
abuse_ch
Arechclient2 C2:
34.142.80.219:15647

Intelligence

File Origin
# of uploads :
2
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b16089c702ad04c658c980cc3ccedcaf.exe
Verdict:
Malicious activity
Analysis date:
2023-01-13 16:02:30 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/92141ada-daea-499c-acfc-9052900c0d7a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Arechclient2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/352655/
Detection(s):
SecuriteInfo.com.Variant.Tedy.272950.7168.4252.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
No Threat
Threat level:
  2/10
Confidence:
67%
Tags:
packed
Link:
https://www.filescan.io/uploads/63c1803d94a4bc99008613b3/reports/493d9ef4-7016-461f-b6c0-b3f43c4297aa/overview
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/6e5227f0-b766-40aa-be7e-0d628792da27
Result
Threat name:
RedLine
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1151224
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Connects to a pastebin service (likely for C&C)
Connects to many ports of the same IP (likely port scanning)
Encrypted powershell cmdline option found
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 domain / URL
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)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected RedLine Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 783955 Sample: IKYbpwKjKQ.exe Startdate: 13/01/2023 Architecture: WINDOWS Score: 100 48 pastebin.com 2->48 52 Snort IDS alert for network traffic 2->52 54 Multi AV Scanner detection for domain / URL 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 11 other signatures 2->58 8 IKYbpwKjKQ.exe 1 7 2->8         started        12 Apogoo.exe 4 2->12         started        14 Apogoo.exe 3 2->14         started        signatures3 process4 file5 36 C:\Users\user\AppData\Roaming\...\Apogoo.exe, PE32 8->36 dropped 38 C:\Users\user\...\Apogoo.exe:Zone.Identifier, ASCII 8->38 dropped 40 C:\Users\user\AppData\...\IKYbpwKjKQ.exe.log, ASCII 8->40 dropped 60 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->60 62 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 8->62 64 Encrypted powershell cmdline option found 8->64 66 Injects a PE file into a foreign processes 8->66 16 IKYbpwKjKQ.exe 15 4 8->16         started        20 powershell.exe 16 8->20         started        22 IKYbpwKjKQ.exe 8->22         started        68 Antivirus detection for dropped file 12->68 70 Multi AV Scanner detection for dropped file 12->70 72 Machine Learning detection for dropped file 12->72 24 powershell.exe 12->24         started        26 Apogoo.exe 12->26         started        28 powershell.exe 14->28         started        signatures6 process7 dnsIp8 42 34.142.80.219, 15647, 49697 ATGS-MMD-ASUS United States 16->42 44 eth0.me 5.132.162.27, 49698, 80 INTERNEX-ASAT Austria 16->44 46 2 other IPs or domains 16->46 50 Tries to harvest and steal browser information (history, passwords, etc) 16->50 30 conhost.exe 20->30         started        32 conhost.exe 24->32         started        34 conhost.exe 28->34         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28789e97db3a2be3cce780dc16cbfdd675ecf579b81a497efc042914f22cfc77/
Threat name:
ByteCode-MSIL.Trojan.AveMariaRAT
Create hunting rule
Status:
Malicious
First seen:
2023-01-10 14:43:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
26 of 39 (66.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fb4j5f63hiv6hthhqdobns752z26z5lzxanes7x4aqurj4rm7r3q._file
Verdict:
malicious
Similar samples:
603529b388e236d8e83f550e3bea45ecb9664c7e8a6137bb1ee7981f13ee72fa
Arechclient2
6b102d3201a020b3661abae52a8f7fe5c64606d6867fec17a7ebdde69d038e7e
Arechclient2
79b3659ae5791dba0cc638c8034fc65c8e221fd8c5e7a7b4ca15cd12e08f94e9
Arechclient2
7c248c54bac1db4abfb0e0151b4e89bd105a7c1202593477bbc9f795de78010f
Arechclient2
ad313baf55b55cd37d1d7dc6db9a8d60783b77d187430c043b1e2fcf4ae6b064
Arechclient2
f7a2f0f70e6e5b3272e7cabdf6b03184ff086e88a3fc71e5c7359f60d5e49df0
Arechclient2
+ 654 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery evasion persistence spyware stealer trojan
Link:
https://tria.ge/reports/230113-tf7bradh8w/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
UAC bypass
Unpacked files
SH256 hash:
ff8c24bce1eb009f0d5c47a09b96caf02726c285cea0d635082ad4da27e63d1b
MD5 hash:
9d6ec6072ee1814a4a01d1eb3fb67ba1
SHA1 hash:
d0b416de1c900b6bcb35dc182b2e8744f16c3289
Link:
https://www.unpac.me/results/94b15c3c-e42c-4171-93ad-90b072befca3/
SH256 hash:
6a69a2bc26a6990f83400f0b2ff2dc62217056778ab28e7c03a734480aa912b5
MD5 hash:
c8868cc17aea4863b1057a967f256c23
SHA1 hash:
ad51231142f8669f87368015a2aedd0fb05e4209
Link:
https://www.unpac.me/results/94b15c3c-e42c-4171-93ad-90b072befca3/
SH256 hash:
8cad0cf6d142f100f6793ccdfa9c75595d52db15499a5997409725c7bd0c4db2
MD5 hash:
75df11273c7f8aae37d275c593fcf278
SHA1 hash:
0322c61f1151373abea3ee329c9dfb6ea86374d9
Link:
https://www.unpac.me/results/94b15c3c-e42c-4171-93ad-90b072befca3/
SH256 hash:
28789e97db3a2be3cce780dc16cbfdd675ecf579b81a497efc042914f22cfc77
MD5 hash:
b16089c702ad04c658c980cc3ccedcaf
SHA1 hash:
79df630c05461d0cc3e85c47b7e2c71134c49d19
Link:
https://www.unpac.me/results/94b15c3c-e42c-4171-93ad-90b072befca3/
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/28789e97db3a2be3cce780dc16cbfdd675ecf579b81a497efc042914f22cfc77

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: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
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

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/352655/

Comments