MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a43109ea48654a6991a1b53ac29b54cec0dcf75cf0228ea661a40d8b976c1c2b. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a43109ea48654a6991a1b53ac29b54cec0dcf75cf0228ea661a40d8b976c1c2b
SHA3-384 hash: 6a3276a7c28dda3e89dcaf3617860791960784cf0443051cd6d91c63e65d9f69998578f88992a728fb26e1b7c620b01e
SHA1 hash: 8b9ba509ab3708ca6c3ddc9e6b2159b6c8b3a757
MD5 hash: 52195e2a7f97c64cae5e8a29526e331b
humanhash: leopard-london-fourteen-mobile
File name:WINCPU.EXE
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:407'040 bytes
First seen:2022-10-13 12:37:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:qXMHJuU7CtrrwR9LXc5XQlDRHspjwYOvFoDngLV6yuY1HeO:q6bCprwRJsNTpjwYk+DnGVZu0+O
Threatray 5'056 similar samples on MalwareBazaar
TLSH T18A840292B500E985DC788AB3A492D5F74A653C3EBB45263770C5F33F36B62A1C316B60
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)
File icon (PE):PE icon
dhash icon 003ebede8e8eccc4 (3 x AveMariaRAT, 1 x BlackShades, 1 x DarkComet)
Reporter 0xToxin
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
https://www.mediafire.com/file/px59ujp9mthmf7h/FaceBookAutoPoster.rar/file
Verdict:
Malicious activity
Analysis date:
2022-10-14 10:45:37 UTC
Tags:
asyncrat trojan babylon rat darkcomet
Link:
https://app.any.run/tasks/b2f3e9e6-43d4-4e20-8b4c-7578f54f8c56

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/319935/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Running batch commands
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/634806af67135c9da246c69b/reports/c48c1c0f-fef0-43ad-8ae0-e3c61b6a04c6/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c36a1abc-a905-4d55-8f69-2a03f9718fcf
Result
Threat name:
AsyncRAT, PhoenixRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1089842
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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 AsyncRAT
Yara detected Generic Downloader
Yara detected PhoenixRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 722457 Sample: WINCPU.EXE.exe Startdate: 13/10/2022 Architecture: WINDOWS Score: 100 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 6 other signatures 2->53 10 WINCPU.EXE.exe 4 2->10         started        process3 file4 41 C:\Users\user\AppData\...\WINCPU.EXE.exe.log, ASCII 10->41 dropped 63 Encrypted powershell cmdline option found 10->63 65 Uses schtasks.exe or at.exe to add and modify task schedules 10->65 67 Injects a PE file into a foreign processes 10->67 14 WINCPU.EXE.exe 6 10->14         started        17 powershell.exe 16 10->17         started        signatures5 process6 file7 43 C:\Users\user\AppData\Roaming\wintskl.exe, PE32 14->43 dropped 19 cmd.exe 1 14->19         started        21 schtasks.exe 1 14->21         started        23 conhost.exe 17->23         started        process8 process9 25 wintskl.exe 4 19->25         started        28 conhost.exe 19->28         started        30 timeout.exe 1 19->30         started        32 conhost.exe 21->32         started        signatures10 55 Antivirus detection for dropped file 25->55 57 Machine Learning detection for dropped file 25->57 59 Encrypted powershell cmdline option found 25->59 61 Injects a PE file into a foreign processes 25->61 34 powershell.exe 13 25->34         started        36 wintskl.exe 25->36         started        process11 dnsIp12 39 conhost.exe 34->39         started        45 45.74.4.244, 7707 M247GB United States 36->45 process13
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a43109ea48654a6991a1b53ac29b54cec0dcf75cf0228ea661a40d8b976c1c2b/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-08-23 17:04:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
26 of 42 (61.90%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uqyqt2simvfgtenbwu5mfg2uz3anz5246ari5jtbuqgyxf3mdqvq._file
Verdict:
malicious
Similar samples:
137b5dc137f3f0c5bc3d4e1cd1f2396b33bd5b87291f72013a98b319c130b451
AsyncRAT
3651d26ad25341903dad63838c5f178b359a0d3700dadc3f25eeb1e51235c49e
AsyncRAT
3d21165a75925015dd40838bdf0fb7f5b951d8b4f813fc5f2ff0bd68ac1a041b
AsyncRAT
423654743684a77ccf595dc264bdf6dc6a0b61507d1743f25f7a4e32ce1e13dc
AsyncRAT
5c93e522b96dfd6244f2e82bc06b8b14a8a2505bc05eff035d6acf3e50f69e07
AsyncRAT
6b8bf8c2cdb85f131adedd2f3a622e0d24516f2da61643957ea12dc559ba78c9
AsyncRAT
9d847f1168ee9ba615a9022c4f6665afc81f8f96366848c86c06964ba606c73f
AsyncRAT
a3f63baeb3cde3c99045e327f4d993d7bb27767fe68a66bad85a4b292ef906a5
AsyncRAT
cc43f37f9eb41430bbfb6f1515b65c5fd2bc7b7565701c71aa65731fdf46c288
AsyncRAT
+ 5'046 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/221013-pt2wzaebe6/
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
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
45.74.4.244:6606
45.74.4.244:7707
45.74.4.244:8808
Unpacked files
SH256 hash:
8ffe38b26a91e67ac8a3e6a11acd199bd15d786bf8e967b42e7e3bff3714e49b
MD5 hash:
e7361382bcc4b6d81c57014f68bef531
SHA1 hash:
dafe669c4f7b703e91fe70072874caadc89209e2
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/c6279424-163e-4ead-bc7a-d031c7e0f2ee/
Parent samples :
a43109ea48654a6991a1b53ac29b54cec0dcf75cf0228ea661a40d8b976c1c2b
e40093ff2134c0c7ab3cbdb58575c8e892ed7e0af9fa9721c2777fbbe7e216fe
037165fd0435a477539e437c28f25a2e188d0da72b7573aa7d85b26eb34feef7
SH256 hash:
41cf4fb4eb2be3335544000457d549a0a06298264e8595dfda27797044dc5260
MD5 hash:
f513fb564b54d76db796adcc6750f289
SHA1 hash:
aa16538fd216d8eed555b4d2d2cf29ee4847b3a5
Link:
https://www.unpac.me/results/c6279424-163e-4ead-bc7a-d031c7e0f2ee/
SH256 hash:
909e7ad9fc671e29f6f2b80bc2a237df1c07c02f23151a9dc112823fda8b6a4d
MD5 hash:
b19225d2e57931c137c8446e7c0eeb3f
SHA1 hash:
2b8400714b4e5fdabbe74583dcc39e8b3d18fd6b
Link:
https://www.unpac.me/results/c6279424-163e-4ead-bc7a-d031c7e0f2ee/
SH256 hash:
a43109ea48654a6991a1b53ac29b54cec0dcf75cf0228ea661a40d8b976c1c2b
MD5 hash:
52195e2a7f97c64cae5e8a29526e331b
SHA1 hash:
8b9ba509ab3708ca6c3ddc9e6b2159b6c8b3a757
Link:
https://www.unpac.me/results/c6279424-163e-4ead-bc7a-d031c7e0f2ee/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a43109ea48654a6991a1b53ac29b54cec0dcf75cf0228ea661a40d8b976c1c2b

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
Create hunting rule
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/319935/

Comments