MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 952de49cb32683f135ddc940b0409b9a1464c941c13554f2cc843500b92049bc. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash: 952de49cb32683f135ddc940b0409b9a1464c941c13554f2cc843500b92049bc
SHA3-384 hash: fadc4693631223337228431b1ea3a776641987696506f5e9aa56264ac3fc15474f2d641f725074bd12a705b5751ed337
SHA1 hash: 3e10b70fff5075eb741f857dd132b11a93129e07
MD5 hash: 093d6dcc320a7bdb5d7d870cfb31432e
humanhash: coffee-mockingbird-oxygen-bakerloo
File name:Purchase order.exe
Download: download sample
Signature AsyncRAT
File size:659'456 bytes
First seen:2021-06-30 05:51:45 UTC
Last seen:2021-06-30 06:48:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:5rrWqY5TxaEAC/b5pBbX5TyFJ6c/DAB3AbDojWpVEnitmXkh3EMD8NB5Z1+p+a7p:q/WJzbdDoyEi6khUMD8NB5T+p+uomeBZ
Threatray 935 similar samples on MalwareBazaar
TLSH C0E49D352EE85635E0BAAFBD96A0605297FDF2236F17C85D7CF502C50713A81C9F122A
Reporter lowmal3
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase order.exe
Verdict:
Malicious activity
Analysis date:
2021-06-30 05:55:15 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 442176 Sample: Purchase order.exe Startdate: 30/06/2021 Architecture: WINDOWS Score: 100 64 ambiboss.ydns.eu 2->64 70 Found malware configuration 2->70 72 Multi AV Scanner detection for dropped file 2->72 74 Multi AV Scanner detection for submitted file 2->74 76 9 other signatures 2->76 11 Purchase order.exe 7 2->11         started        15 USBupd.exe 4 2->15         started        signatures3 process4 file5 56 C:\Users\user\AppData\Roaming\LCuOoK.exe, PE32 11->56 dropped 58 C:\Users\user\...\LCuOoK.exe:Zone.Identifier, ASCII 11->58 dropped 60 C:\Users\user\AppData\Local\...\tmpBF30.tmp, XML 11->60 dropped 62 C:\Users\user\...\Purchase order.exe.log, ASCII 11->62 dropped 80 Injects a PE file into a foreign processes 11->80 17 Purchase order.exe 6 11->17         started        20 schtasks.exe 1 11->20         started        22 Purchase order.exe 11->22         started        82 Multi AV Scanner detection for dropped file 15->82 84 Machine Learning detection for dropped file 15->84 24 schtasks.exe 15->24         started        26 USBupd.exe 15->26         started        signatures6 process7 file8 54 C:\Users\user\AppData\Roaming\USBupd.exe, PE32 17->54 dropped 28 cmd.exe 1 17->28         started        30 cmd.exe 1 17->30         started        32 conhost.exe 20->32         started        34 conhost.exe 24->34         started        process9 process10 36 USBupd.exe 5 28->36         started        39 conhost.exe 28->39         started        41 timeout.exe 1 28->41         started        43 conhost.exe 30->43         started        45 schtasks.exe 1 30->45         started        signatures11 78 Injects a PE file into a foreign processes 36->78 47 USBupd.exe 36->47         started        50 schtasks.exe 36->50         started        process12 dnsIp13 66 ambiboss.ydns.eu 79.134.225.72, 49729, 49731, 49743 FINK-TELECOM-SERVICESCH Switzerland 47->66 68 185.140.53.8, 49738, 49751, 49756 DAVID_CRAIGGG Sweden 47->68 52 conhost.exe 50->52         started        process14
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-30 01:08:19 UTC
AV detection:
12 of 46 (26.09%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
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
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
185.140.53.8:6060
ambiboss.ydns.eu:6060
Unpacked files
SH256 hash:
779c69346867d2f1b0ff766b24eb522623793260b9444516132b6a8f42385e80
MD5 hash:
2243931a00f969fbfcae9463ed6a6ae5
SHA1 hash:
f8d0c5de55dc5a0e4dc21146f4f056440653efe6
SH256 hash:
1c5e0a0d909d1da24af87967a1e154c8aa490a1f99c6624e7214d20eb84f4fec
MD5 hash:
81faf15c7e3c9446d906659f7c7a9f16
SHA1 hash:
d7e05a22b109ce608109dc509029a7fe22b4b8bf
SH256 hash:
952de49cb32683f135ddc940b0409b9a1464c941c13554f2cc843500b92049bc
MD5 hash:
093d6dcc320a7bdb5d7d870cfb31432e
SHA1 hash:
3e10b70fff5075eb741f857dd132b11a93129e07
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:asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:pe_imphash
Rule name:Reverse_text_bin_mem
Author:James_inthe_box
Description:Reverse text detected
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research

File information


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

Malspam

AsyncRAT

Executable exe 952de49cb32683f135ddc940b0409b9a1464c941c13554f2cc843500b92049bc

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments