MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf495989e776f59e020fad15bb34b5f92573f9a1b96a51cdd5a02d31d339d502. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
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SHA256 hash: cf495989e776f59e020fad15bb34b5f92573f9a1b96a51cdd5a02d31d339d502
SHA3-384 hash: 036009c408b2c01e8c0cdfba0b013beb2581eff4b04e9d5dc9275fda263f4d67dc39e8d97a35c6d0fbbe5fd33be6a066
SHA1 hash: f57552b6a4b2553feca0b7aa98b9fc60fc3036bb
MD5 hash: 255ef9669e81a114c785d21ff58b7293
humanhash: paris-lamp-failed-glucose
File name:PAYMENT SLIP 10.11.2021.PDF...........................................exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:417'280 bytes
First seen:2021-10-12 08:18:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:jJmSSRjQRlyHEJjlQG/FryGFvfRf+BCKSot3Jg5BJsOWKNvciKMkhB:EMwHE1FhFBGBLSoIBJsOWsJSB
Threatray 1'485 similar samples on MalwareBazaar
TLSH T192940220BB9FDD22C1291BFE504926F743B8355294DBDB0B7E8036FBEC657844A82553
Reporter GovCERT_CH
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PAYMENT SLIP 10.11.2021.PDF...........................................exe
Verdict:
Malicious activity
Analysis date:
2021-10-12 08:22:19 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/5aed02d0-1a23-43c8-964d-2a1837f43a2b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/196799/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.2741.4256.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/616544fdfd35fe780c3a23fd/reports/fd1e062a-bf87-445c-8a77-b0d8cb9ecfff/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.
Malware family:
AsyncRAT
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/91aec6b7-4051-4d00-abb4-bb80adaf6cb6
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/868402
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Multi AV Scanner detection for domain / URL
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 500826 Sample: PAYMENT SLIP 10.11.2021.PDF... Startdate: 12/10/2021 Architecture: WINDOWS Score: 100 62 Multi AV Scanner detection for domain / URL 2->62 64 Found malware configuration 2->64 66 Multi AV Scanner detection for dropped file 2->66 68 9 other signatures 2->68 10 PAYMENT SLIP 10.11.2021.PDF...........................................exe 7 2->10         started        13 USBupd.exe 5 2->13         started        process3 file4 54 C:\Users\user\AppData\...ARhOtgResntQb.exe, PE32 10->54 dropped 56 C:\Users\user\AppData\Local\...\tmpF713.tmp, XML 10->56 dropped 58 PAYMENT SLIP 10.11...............exe.log, ASCII 10->58 dropped 16 PAYMENT SLIP 10.11.2021.PDF...........................................exe 6 10->16         started        19 schtasks.exe 1 10->19         started        21 PAYMENT SLIP 10.11.2021.PDF...........................................exe 10->21         started        70 Multi AV Scanner detection for dropped file 13->70 72 Injects a PE file into a foreign processes 13->72 23 schtasks.exe 13->23         started        25 USBupd.exe 13->25         started        signatures5 process6 file7 52 C:\Users\user\AppData\Roaming\USBupd.exe, PE32 16->52 dropped 27 cmd.exe 1 16->27         started        29 cmd.exe 1 16->29         started        31 conhost.exe 19->31         started        33 conhost.exe 23->33         started        process8 process9 35 USBupd.exe 4 27->35         started        37 conhost.exe 27->37         started        39 timeout.exe 1 27->39         started        41 conhost.exe 29->41         started        43 schtasks.exe 1 29->43         started        process10 45 USBupd.exe 35->45         started        48 schtasks.exe 35->48         started        dnsIp11 60 ambiboss.ydns.eu 79.134.225.72, 6060 FINK-TELECOM-SERVICESCH Switzerland 45->60 50 conhost.exe 48->50         started        process12
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cf495989e776f59e020fad15bb34b5f92573f9a1b96a51cdd5a02d31d339d502/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2021-10-12 07:53:37 UTC
AV detection:
4 of 45 (8.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z5evtcpho32z4aqpvuk3wnfv7esxh6nbxfvfdtovuawtduzz2uba._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0b8a5cbe236a7057a2904f18480b85ce9b59b891c0a1a041516248d35760744d
AsyncRAT
16fc0cec13d88da3d0a36e4c42e733db8f1e21cafc18fd813a25cd0bc835f35a
AsyncRAT
220bb2b7deba41f53a8d86d677691aff283314a29c27cc49b2ba396699237825
AsyncRAT
438e8f8d626ca18bb5fbd3499cad058033b199c865badba6415e362d5b8dcd49
AsyncRAT
b51c07d9a4e50ac499514d378320260821bd7486acd1077a6bddf8ab70c6a2b3
AsyncRAT
bcf7571a4d9b25fabdc2d6120b1b2d7bd8446ea2bc3a5da1d4127954920067de
AsyncRAT
ceddcfa72226e91f7435facafe6631d1385ca4d246d242d5136ac4e9462b8611
AsyncRAT
ecb8839117d73d33390c84f7f6e02f4970156ccb2da7b48083922f60625fa8be
AsyncRAT
fee6cda76d8c5b289b76deba1176049e529f51ac06f817a8a22ec77b17d74f35
AsyncRAT
+ 1'475 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat suricata
Link:
https://tria.ge/reports/211012-j7wdfsbham/
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
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Unpacked files
SH256 hash:
17b4504791186105d817b1a4f38ffe2fb1d4fe28eea3fafdb5efa9373025ec5e
MD5 hash:
bb9a7e09e378dcb83a00daba36750454
SHA1 hash:
63877c211a38fb29002e8121e095ae6620f7471c
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/f332cfe3-827f-46b8-8cfd-a8bc84dbfd15/
Parent samples :
7b17590aa4a40438792a8bccd819133c952f12e1f5752909c24a12487ee026b8
952de49cb32683f135ddc940b0409b9a1464c941c13554f2cc843500b92049bc
74221a6c13b7221afb2e91d46e4b561940f2d5fe3a3a9410c89a8711e983c0a2
f9228d3256bdeadb61e4063d92cea2a1a5335f64b338125aa5051aaa1875d30c
4dce2f685bc8253951ff822d0febac76ceb6e2c926f831dbd16b1221046a448b
cf495989e776f59e020fad15bb34b5f92573f9a1b96a51cdd5a02d31d339d502
SH256 hash:
c535f87b28ae5e487bf55e3a373f05b7fb466b93cf3f3f82647e533e09320b0f
MD5 hash:
a72635c6a802c7f71f04b3affb6dad7c
SHA1 hash:
297ea64db634d93d558b789cfb7b326e7cd299a1
Link:
https://www.unpac.me/results/f332cfe3-827f-46b8-8cfd-a8bc84dbfd15/
SH256 hash:
eda4d687b865aed0078ab87078de7d9722888b2d2af71c6fc0dcdc986ffb7567
MD5 hash:
12cf5402be16590c300b442a66e9ebc1
SHA1 hash:
0ea28394d301ca1ce840f039d2da62a5ce6d9334
Link:
https://www.unpac.me/results/f332cfe3-827f-46b8-8cfd-a8bc84dbfd15/
SH256 hash:
cf495989e776f59e020fad15bb34b5f92573f9a1b96a51cdd5a02d31d339d502
MD5 hash:
255ef9669e81a114c785d21ff58b7293
SHA1 hash:
f57552b6a4b2553feca0b7aa98b9fc60fc3036bb
Link:
https://www.unpac.me/results/f332cfe3-827f-46b8-8cfd-a8bc84dbfd15/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/cf495989e776/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cf495989e776f59e020fad15bb34b5f92573f9a1b96a51cdd5a02d31d339d502

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
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Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 cf495989e776f59e020fad15bb34b5f92573f9a1b96a51cdd5a02d31d339d502

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/196799/

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