MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3153e4a28cb1a819321100530206c7f8668675260e8bd063859c3cbdbfeee7c. 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: 5


Intelligence 5 IOCs YARA 8 File information Comments
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SHA256 hash: f3153e4a28cb1a819321100530206c7f8668675260e8bd063859c3cbdbfeee7c
SHA3-384 hash: 25831ec1a39bd9ccc6eeff3b6d1975318bb255588cb9e31ceec24bf9e61d95622dcb7532ae269aa4ac292f1d2f096da8
SHA1 hash: 2befe02772fdfde7bfe79a3374cbb55282ada0f0
MD5 hash: 587687af04ecdabf2577614436b6a78c
humanhash: vegan-one-uranus-thirteen
File name:587687af04ecdabf2577614436b6a78c.exe
Download: download sample
Signature Arechclient2
Create hunting rule
File size:1'515'802 bytes
First seen:2022-02-10 05:44:28 UTC
Last seen:2022-02-10 08:00:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d726376b6194dec8863b42c138aba941 (1 x Arechclient2)
ssdeep 24576:lmwQsWudL0/H7XbxTsyqb4TkKuPU4c43M2f7EAY61awWLmAX8nIOGJdNw6gH8NlF:lmajdI/HhYNn7S2QA9z3e0+cc/tqTw
Threatray 4'889 similar samples on MalwareBazaar
TLSH T176652351FAC3D22AF1E10370C0B5BA3B947DA534137C51D356952E1ABC982C2BA7D3EA
File icon (PE):PE icon
dhash icon f8aeae9ebec4e0b1 (1 x Arechclient2)
Reporter abuse_ch
Tags:Arechclient2 exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.MulDrop19.28711.26003.14026.UNOFFICIAL
Create hunting rule

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
Possible injection to a system process
Launching the process to create tasks for the scheduler
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
keylogger overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6204a66436f992191835b6c6/reports/16a71159-ad47-43bc-ac47-8fecbaf8bb3b/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f3150cbb-c158-4f90-b39f-09dcbb57594b
Result
Threat name:
Unknown
Detection:
malicious
Classification:
spyw.expl.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/937520
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
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: Drops script at startup location
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 569999 Sample: B3En3iEwhl.exe Startdate: 10/02/2022 Architecture: WINDOWS Score: 80 61 Multi AV Scanner detection for submitted file 2->61 63 Sigma detected: Drops script at startup location 2->63 10 B3En3iEwhl.exe 6 2->10         started        13 wscript.exe 2->13         started        15 FMGJDbbMZx.exe.pif 2->15         started        process3 dnsIp4 71 Contains functionality to register a low level keyboard hook 10->71 73 Uses schtasks.exe or at.exe to add and modify task schedules 10->73 18 cmd.exe 1 10->18         started        21 at.exe 1 10->21         started        75 Creates processes via WMI 13->75 53 PrgVETfpKVjscgnmKmvHjFWKrqmQo.PrgVETfpKVjscgnmKmvHjFWKrqmQo 15->53 signatures5 process6 signatures7 65 Obfuscated command line found 18->65 67 Drops PE files with a suspicious file extension 18->67 23 cmd.exe 2 18->23         started        27 conhost.exe 18->27         started        29 conhost.exe 21->29         started        process8 file9 49 C:\Users\user\AppData\Local\...\Magra.exe.pif, PE32 23->49 dropped 69 Obfuscated command line found 23->69 31 Magra.exe.pif 4 23->31         started        36 tasklist.exe 1 23->36         started        38 tasklist.exe 1 23->38         started        40 4 other processes 23->40 signatures10 process11 dnsIp12 55 PrgVETfpKVjscgnmKmvHjFWKrqmQo.PrgVETfpKVjscgnmKmvHjFWKrqmQo 31->55 47 C:\Users\user\AppData\...\FMGJDbbMZx.exe.pif, PE32 31->47 dropped 57 Found API chain indicative of debugger detection 31->57 59 Drops PE files with a suspicious file extension 31->59 42 cmd.exe 2 31->42         started        file13 signatures14 process15 file16 51 C:\Users\user\AppData\...\FMGJDbbMZx.url, MS 42->51 dropped 45 conhost.exe 42->45         started        process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f3153e4a28cb1a819321100530206c7f8668675260e8bd063859c3cbdbfeee7c/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2022-02-10 04:28:29 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Verdict:
unknown
Similar samples:
0a7682c0607e0fcb3580d28aec0e3439d6eae0cde1ab3359832046f7f33cdb0f
Arechclient2
1d3e38b463d2d98d6aadb8109f21a59946bf65d2d355f7aac925dcd9cb2123e8
Arechclient2
6c37bb680dc9c51f9c15e988fa3586cb9f0fe8786f2b9c9408aa953894c10180
Arechclient2
9f86527e3ca4530bb3209d8608dae083afab4ef2cf7b0ae23bcd6fdc322a0c33
Arechclient2
abd054e7a6a48ac8a33ffa9fab4814d0c68149f5a5eea1b0a68e84d2057811d6
Arechclient2
dcb28a28c1b0d809b45522bfac4dece7cc76b7f5bc504e095a262e474b700846
Arechclient2
faec9f2bb4da32ed322a8d98e634997ba23d2b28aa64a2efe7d49d6bb2f15467
Arechclient2
febfbccd66497295ca66e7534aadabe0fb2d152408ee53d944443b532deb1b7f
Arechclient2
+ 4'879 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Link:
https://tria.ge/reports/220210-gfq9baeggq/
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
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
a6d2567e1686181e1bf940f3aaa742f2ccf22bcb5b25b3b63a5dd08a0fc2e405
MD5 hash:
c6a84f8b6d650a8c467967c918e99acd
SHA1 hash:
66b70e859a1429e29b3ac02c148dba240ded7d37
Link:
https://www.unpac.me/results/5fe690c7-26a0-4027-9bf6-0bc89e31ea02/
SH256 hash:
f3153e4a28cb1a819321100530206c7f8668675260e8bd063859c3cbdbfeee7c
MD5 hash:
587687af04ecdabf2577614436b6a78c
SHA1 hash:
2befe02772fdfde7bfe79a3374cbb55282ada0f0
Link:
https://www.unpac.me/results/5fe690c7-26a0-4027-9bf6-0bc89e31ea02/
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: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:quakbot_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
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
Rule name:XOREngine_Misc_XOR_Func
Create hunting rule
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.

Comments