MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b682f3038aea6c3db35ba85a82712a1920adddd5587777742ca711dcd729757. 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



AsyncRAT


Vendor detections: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 5b682f3038aea6c3db35ba85a82712a1920adddd5587777742ca711dcd729757
SHA3-384 hash: 8d40e5b45c52d273fc1193d80fac6e85950846dc804711a82e3833ea9f74281780858317493d0a3ac13aca480fdae68a
SHA1 hash: 46a8ceaa6a254912b853c62d7e363be87604b744
MD5 hash: 80cc6fac1cd9e027a2f5d2d3a608e3a2
humanhash: three-victor-florida-nine
File name:New Order.xlxs.exe
Download: download sample
Signature AsyncRAT
File size:450'560 bytes
First seen:2022-06-10 00:17:50 UTC
Last seen:2022-06-10 00:32:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:a/9qhasTwxXnOHQedrZIyt82uMXj1yTTh0L+SJ+f2C5j32WzC8Sbflc:G9qxQwKytiKyRmPJpDWBSb6
TLSH T15CA4120077ED03C2CAB687BD1C5213125779D50A3A3AE70E4D8562DE2EE77428B677A3
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
340
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
New Order.xlxs.exe
Verdict:
Malicious activity
Analysis date:
2022-06-10 00:21:44 UTC
Tags:
trojan rat asyncrat

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 %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Running batch commands
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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:
AsyncRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 643035 Sample: New Order.xlxs.exe Startdate: 10/06/2022 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Multi AV Scanner detection for dropped file 2->68 70 9 other signatures 2->70 10 New Order.xlxs.exe 7 2->10         started        process3 file4 52 C:\Users\user\AppData\...\naNSCNUpDoOR.exe, PE32 10->52 dropped 54 C:\Users\user\AppData\Local\...\tmp4FA7.tmp, XML 10->54 dropped 56 C:\Users\user\...56ew Order.xlxs.exe.log, ASCII 10->56 dropped 74 Adds a directory exclusion to Windows Defender 10->74 76 Injects a PE file into a foreign processes 10->76 14 New Order.xlxs.exe 6 10->14         started        17 powershell.exe 25 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 file7 58 C:\Users\user\AppData\Roaming\images.exe, PE32 14->58 dropped 21 cmd.exe 1 14->21         started        23 cmd.exe 1 14->23         started        25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        process8 process9 29 images.exe 5 21->29         started        32 conhost.exe 21->32         started        34 timeout.exe 1 21->34         started        36 conhost.exe 23->36         started        38 schtasks.exe 1 23->38         started        signatures10 78 Multi AV Scanner detection for dropped file 29->78 80 Adds a directory exclusion to Windows Defender 29->80 82 Injects a PE file into a foreign processes 29->82 40 images.exe 29->40         started        44 powershell.exe 29->44         started        46 schtasks.exe 29->46         started        process11 dnsIp12 60 91.192.100.7, 49808, 49811, 8282 AS-SOFTPLUSCH Switzerland 40->60 62 192.168.2.3, 137, 138, 443 unknown unknown 40->62 72 Tries to harvest and steal browser information (history, passwords, etc) 40->72 48 conhost.exe 44->48         started        50 conhost.exe 46->50         started        signatures13 process14
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-09 22:51:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:eloasync rat spyware stealer suricata
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Async RAT payload
AsyncRat
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
91.192.100.7:8282
Unpacked files
SH256 hash:
b5ec42a5de757efa767ba191882aca46e482b788b6ea5e707a76abd65a4839da
MD5 hash:
8655a8a2ad9ea721760b51f7c3a7831a
SHA1 hash:
9f3ff4a8bd6e4823fabfe96e04df8eb54665e1d4
SH256 hash:
8c8e1109f3cb85049dc22ab05bddb946778571e446fc010831532f263c649216
MD5 hash:
7d6281b4c1580ab8047dd611a5fcea2f
SHA1 hash:
6f6f81299325ce948c3997c9f526f8fa81ec49b6
SH256 hash:
fe78017f2153de0c5ca645c4255899ab044502fe5c77d5c04ced635d9fe981d9
MD5 hash:
ab47b292d4d39311539a0b97e6661f4f
SHA1 hash:
54cd9efbebe4f41b23e6f24fffac0da8f72d921b
SH256 hash:
5b682f3038aea6c3db35ba85a82712a1920adddd5587777742ca711dcd729757
MD5 hash:
80cc6fac1cd9e027a2f5d2d3a608e3a2
SHA1 hash:
46a8ceaa6a254912b853c62d7e363be87604b744
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

AsyncRAT

Executable exe 5b682f3038aea6c3db35ba85a82712a1920adddd5587777742ca711dcd729757

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments