MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aedf37500ba9d884ce40943ef0d4accf6ffdaa1a0d7281b5e55ec0d7cbe13659. 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: 9


Intelligence 9 IOCs YARA 11 File information Comments

SHA256 hash: aedf37500ba9d884ce40943ef0d4accf6ffdaa1a0d7281b5e55ec0d7cbe13659
SHA3-384 hash: 716ff5406b13cc2163e6239ffe27600422c3632f45c5607f477bb6eb0b2ddf60c504a45ddb0d0017c0f6a9e3f783d3cd
SHA1 hash: bd8e73a1ea48e2dea8f4fb6828fef881b4238870
MD5 hash: f6ae2d9226866f97f1cf4a7841f0c048
humanhash: uranus-india-jersey-utah
File name:f6ae2d9226866f97f1cf4a7841f0c048.exe
Download: download sample
Signature Arechclient2
File size:1'607'994 bytes
First seen:2022-02-12 07:40:19 UTC
Last seen:2022-02-12 09:51:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7026a2c495b71235d16f77dd6235da47 (1 x Arechclient2)
ssdeep 24576:MuK78vyD970ETeT5tni7kmeesqGuJVlxED4ehqWXxLgsuI++fZJZVWUEl:MCvyXC/ni7VbKuFOdh9t1Znc7
Threatray 4'982 similar samples on MalwareBazaar
TLSH T15E75235179A2C2EAF6C312B0E279B6BDAA35F670530914C7A3342C65FE147E21B7C217
File icon (PE):PE icon
dhash icon a1e8ccdecccdf176 (1 x Arechclient2)
Reporter abuse_ch
Tags:Arechclient2 exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Arechclient sample.zip
Verdict:
Malicious activity
Analysis date:
2022-02-12 14:12:17 UTC
Tags:
n/a

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

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Сreating synchronization primitives
Creating a process with a hidden window
Running batch commands
Launching cmd.exe command interpreter
Launching a process
Using the Windows Management Instrumentation requests
Moving a file to the %temp% subdirectory
Creating a process from a recently created file
DNS request
Sending a custom TCP request
Possible injection to a system process
Launching the process to create tasks for the scheduler
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
keylogger overlay packed shell32.dll
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
RedLine
Detection:
malicious
Classification:
troj.spyw.expl.evad.mine
Score:
100 / 100
Signature
Contains functionality to register a low level keyboard hook
Creates processes via WMI
Drops PE files with a suspicious file extension
Found API chain indicative of debugger detection
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: Drops script at startup location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected RedLine Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 571190 Sample: lzsyB6dy90.exe Startdate: 12/02/2022 Architecture: WINDOWS Score: 100 58 eth0.me 2->58 64 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 Yara detected RedLine Stealer 2->68 70 2 other signatures 2->70 11 lzsyB6dy90.exe 6 2->11         started        14 wscript.exe 2->14         started        16 WgVVajjwIZ.exe.pif 2->16         started        signatures3 process4 dnsIp5 76 Contains functionality to register a low level keyboard hook 11->76 78 Uses schtasks.exe or at.exe to add and modify task schedules 11->78 19 at.exe 1 11->19         started        21 cmd.exe 1 11->21         started        80 Creates processes via WMI 14->80 54 twuJjRtNiHxgNLTgm.twuJjRtNiHxgNLTgm 16->54 signatures6 process7 signatures8 24 conhost.exe 19->24         started        72 Drops PE files with a suspicious file extension 21->72 27 cmd.exe 2 21->27         started        30 conhost.exe 21->30         started        process9 file10 74 Obfuscated command line found 24->74 32 Uscio.exe.pif 4 24->32         started        37 tasklist.exe 1 24->37         started        39 tasklist.exe 1 24->39         started        41 4 other processes 24->41 50 C:\Users\user\AppData\Local\...\Uscio.exe.pif, PE32 27->50 dropped signatures11 process12 dnsIp13 56 twuJjRtNiHxgNLTgm.twuJjRtNiHxgNLTgm 32->56 48 C:\Users\user\AppData\...\WgVVajjwIZ.exe.pif, PE32 32->48 dropped 60 Found API chain indicative of debugger detection 32->60 62 Drops PE files with a suspicious file extension 32->62 43 cmd.exe 2 32->43         started        file14 signatures15 process16 file17 52 C:\Users\user\AppData\...\WgVVajjwIZ.url, MS 43->52 dropped 46 conhost.exe 43->46         started        process18
Threat name:
Win32.Backdoor.Generic
Status:
Suspicious
First seen:
2022-02-12 03:29:38 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
9 of 43 (20.93%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Behaviour
Checks processor information in registry
Enumerates processes with tasklist
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
83c5befdc3354512078e0ba3b2a6f7cb9bfda9c8a73709bd45ce3b05a38de96e
MD5 hash:
cf196bc608168b04a893c1d896f5f81a
SHA1 hash:
b8d6b2b8951e90b56e99c5bc77682286f9360f5c
SH256 hash:
aedf37500ba9d884ce40943ef0d4accf6ffdaa1a0d7281b5e55ec0d7cbe13659
MD5 hash:
f6ae2d9226866f97f1cf4a7841f0c048
SHA1 hash:
bd8e73a1ea48e2dea8f4fb6828fef881b4238870
Please note that we are no longer able to provide a coverage score for Virus Total.

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:downloader_macros
Author:ddvvmmzz
Description:downloader macros
Rule name:exec_macros
Author:ddvvmmzz
Description:exec macros
Rule name:grakate_stealer_nov_2021
Rule name:MALWARE_Win_Arechclient2
Author:ditekSHen
Description:Detects Arechclient2 RAT
Rule name:obfuscate_macros
Author:ddvvmmzz
Description:obfuscate macros
Rule name:pe_imphash
Rule name:quakbot_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_XORed_URL_in_EXE
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
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:XOREngine_Misc_XOR_Func
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

File information


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

Web download

Arechclient2

Executable exe aedf37500ba9d884ce40943ef0d4accf6ffdaa1a0d7281b5e55ec0d7cbe13659

(this sample)

  
Delivery method
Distributed via web download

Comments