MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2879bac33326dbd49d0af29893f110eab577cdf9f741e025c03dcbdde467028c. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2879bac33326dbd49d0af29893f110eab577cdf9f741e025c03dcbdde467028c
SHA3-384 hash: 51ccdaaeb98b9f5bcdaa50eadbc9f11f6cedb198a6245b62f6abde455829b4dd38d7b46c646b11130ffde434db7bea27
SHA1 hash: ec95b48dfb75479a9ff15e4561c4da2a9dccd071
MD5 hash: 3663e56f6ecc67c05a3c01b522493d7a
humanhash: delta-ink-maryland-undress
File name:3663e56f6ecc67c05a3c01b522493d7a.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:481'280 bytes
First seen:2021-08-19 05:53:44 UTC
Last seen:2021-08-19 07:20:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:LODXgOlgs0sI1Rfhlz1dgtvFcvpG4/pfrHoU8qvKiksS3Trh/u0B:LOD9lglsqXbgaGa1oU8cEsgGk
Threatray 80 similar samples on MalwareBazaar
TLSH T10AA405908EEFDECEC26F323FA41A1C8254DED316478792E58B525E31B7805239D265E3
dhash icon 0cd2c1c4d0c1f20c (18 x AsyncRAT, 9 x QuasarRAT, 8 x RedLineStealer)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
116
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3663e56f6ecc67c05a3c01b522493d7a.exe
Verdict:
Malicious activity
Analysis date:
2021-08-19 05:56:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/34e8fbd5-8880-416b-8adc-0f1d1dbcf10a

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/180527/
Detection(s):
SecuriteInfo.com.Trojan.Siggen14.61012.18357.31197.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Sending a UDP request
Creating a file in the Windows subdirectories
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7549b07d-5717-4343-92cd-09c63f6f06bf
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/835518
Signature
.NET source code contains potential unpacker
Bypasses PowerShell execution policy
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
Sigma detected: Suspicious Script Execution From Temp Folder
Suspicious powershell command line found
Writes to foreign memory regions
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 467949 Sample: j1646oeAj7.exe Startdate: 19/08/2021 Architecture: WINDOWS Score: 96 51 Multi AV Scanner detection for dropped file 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected AsyncRAT 2->55 57 6 other signatures 2->57 7 j1646oeAj7.exe 1 9 2->7         started        11 nvsphelper641.exe 2->11         started        14 UpdateNotificationMgr.exe 2->14         started        16 nvsphelper641.exe 2->16         started        process3 dnsIp4 39 C:\Users\user\AppData\...\nvsphelper641.exe, PE32 7->39 dropped 41 C:\Users\user\AppData\...\j1646oeAj7.exe, PE32 7->41 dropped 43 C:\...\nvsphelper641.exe:Zone.Identifier, ASCII 7->43 dropped 45 2 other malicious files 7->45 dropped 63 Writes to foreign memory regions 7->63 65 Injects a PE file into a foreign processes 7->65 18 j1646oeAj7.exe 1 5 7->18         started        23 powershell.exe 18 7->23         started        25 powershell.exe 16 7->25         started        49 192.168.2.1 unknown unknown 11->49 27 powershell.exe 11->27         started        file5 signatures6 process7 dnsIp8 47 179.43.187.188, 4056, 49717, 49722 PLI-ASCH Panama 18->47 35 C:\Users\user\AppData\Local\Temp\tfsenx.exe, PE32+ 18->35 dropped 37 C:\Users\user\AppData\Local\Temp\aofdny.exe, PE32 18->37 dropped 59 Multi AV Scanner detection for dropped file 18->59 61 Machine Learning detection for dropped file 18->61 29 conhost.exe 23->29         started        31 conhost.exe 25->31         started        33 conhost.exe 27->33         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2879bac33326dbd49d0af29893f110eab577cdf9f741e025c03dcbdde467028c/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2021-08-15 11:34:16 UTC
AV detection:
11 of 28 (39.29%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fb43vqzte3n5jhik6kmjh4iq5k2xptpz65a6ajoahxf53zdhakga._file
Verdict:
unknown
Similar samples:
081d4cc20e46574bc49b49558940371ce6b0a037d61ee2915e3a16f588de4eb8
AsyncRAT
1e445f6c58a18464fc758839559bada7607f882900831891b28d314b2bf77d6d
AsyncRAT
2e4775c5d181f37f4a0802a9982601352f0a7de1ffd74909024150572ed6522b
AsyncRAT
503daa99af5a571e42bba412296ce3f6e086ce203359cb27f7d04442d10b2999
AsyncRAT
6ffa008d9c18433dfb729075105f7837874da4b96d22c7718f360558f9aeaa0a
AsyncRAT
a024f189799cced8d2b2b164f4cc73b0eb9e12784bc977f182175bb61c17a171
AsyncRAT
ce4c9d123144cb01aaa09ecfc34a21b6808c8d891fdd777e3bc8736fc3d877ca
AsyncRAT
fb416672e7ef0f01a189765395e9c87a44de01f41f4df96c871a267fea65cb87
AsyncRAT
+ 70 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat persistence rat
Link:
https://tria.ge/reports/210819-8je7r59a1j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Unpacked files
SH256 hash:
4120d807c205b18bf6b568574ab2958f57ad80ff49352511be3621b3dfdbd9bb
MD5 hash:
56426ac353843bd9d880cfd6d4dce38f
SHA1 hash:
675936a5e98c7ebebc19b0351c8ef63472647026
Link:
https://www.unpac.me/results/e9c8fbdc-b278-45b2-b964-fc92e247b1d7/
SH256 hash:
929e1616b1be8108e77b4c7c55bcefa2423341aa8aacbf80b78f91a570178491
MD5 hash:
903e1ef326b4a5c01c893fbe75044fc1
SHA1 hash:
5676909a68d03983a248582d937cc581429ecfa1
Link:
https://www.unpac.me/results/e9c8fbdc-b278-45b2-b964-fc92e247b1d7/
SH256 hash:
a8966e9cf42951fdecc8a70557eafb18252ffd612f13ab2ba6c2d46d28f6a45b
MD5 hash:
ae9bbc4cc6bc01b5852e75fd5e9b1cb4
SHA1 hash:
19abe9e32567487373c0e3114929a713bbbaf13b
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/e9c8fbdc-b278-45b2-b964-fc92e247b1d7/
SH256 hash:
2879bac33326dbd49d0af29893f110eab577cdf9f741e025c03dcbdde467028c
MD5 hash:
3663e56f6ecc67c05a3c01b522493d7a
SHA1 hash:
ec95b48dfb75479a9ff15e4561c4da2a9dccd071
Link:
https://www.unpac.me/results/e9c8fbdc-b278-45b2-b964-fc92e247b1d7/
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/2879bac33326dbd49d0af29893f110eab577cdf9f741e025c03dcbdde467028c

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:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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/180527/

Comments