MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51c23c9fee47972db699d6fbefcf75f1f841e2a72efff842b34d38f9faf89a34. 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 1 YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51c23c9fee47972db699d6fbefcf75f1f841e2a72efff842b34d38f9faf89a34
SHA3-384 hash: 288ea7b1faf8b9d823470f66dcc4c847911620939bd472663b8b6ab5fabe4c1d1517a8bbaf4926e4842dcf5f016be0b0
SHA1 hash: 70ea685356260783390552a16e44b93c2bbd341b
MD5 hash: be7d8603d79043c19fe1bbb7430063a5
humanhash: cat-oranges-nebraska-moon
File name:be7d8603d79043c19fe1bbb7430063a5.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:99'840 bytes
First seen:2022-03-21 13:32:15 UTC
Last seen:2022-03-21 16:00:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2a2a662be9dffc461398e7c94d0b55b4 (5 x GuLoader, 3 x CoinMiner, 3 x RedLineStealer)
ssdeep 1536:GsQPbrquy4ULa3hmdSIZjwLLbQjKSNu6qUO6H2EgfIA9:JA/q/RLw2FAUJeEC
Threatray 8'334 similar samples on MalwareBazaar
TLSH T12BA3D55816D81485EC4524331A72825E6B2FDE4539E31ADFBF58BF1A93BFB808913C4E
File icon (PE):PE icon
dhash icon 000c21960e291208 (1 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
194.233.169.93:7707

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
194.233.169.93:7707 https://threatfox.abuse.ch/ioc/433137/

Intelligence

File Origin
# of uploads :
2
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/253616/
Detection(s):
SecuriteInfo.com.Variant.FakeAlert.2.2457.8996.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Running batch commands
Creating a process from a recently created file
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a process with a hidden window
Sending a custom TCP request
Creating a file
Launching a process
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/10123/overview
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62387e99dfdfa8501cc70000/reports/69d42c81-e7e4-4408-9161-1ef3d38b73fa/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/420f1965-4516-472d-935c-01e3a3eabe83
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/960791
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to inject code into remote processes
Drops PE files with benign system names
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: File Created with System Process Name
Sigma detected: Schedule system process
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 593273 Sample: C55XYVpT27.exe Startdate: 21/03/2022 Architecture: WINDOWS Score: 100 60 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 9 other signatures 2->66 9 C55XYVpT27.exe 2 2->9         started        12 System.exe 2->12         started        process3 file4 54 C:\Users\user\AppData\Local\Temp\dll.exe, PE32 9->54 dropped 56 C:\Users\user\AppData\Local\...\XDXDXDXD.exe, PE32 9->56 dropped 14 cmd.exe 1 9->14         started        17 cmd.exe 1 9->17         started        process5 signatures6 88 Uses schtasks.exe or at.exe to add and modify task schedules 14->88 19 dll.exe 2 14->19         started        23 conhost.exe 14->23         started        25 XDXDXDXD.exe 7 17->25         started        27 conhost.exe 17->27         started        process7 file8 48 C:\Users\user\AppData\Roaming\System.exe, PE32 19->48 dropped 68 Antivirus detection for dropped file 19->68 70 Multi AV Scanner detection for dropped file 19->70 72 Found evasive API chain (may stop execution after checking mutex) 19->72 74 Contains functionality to inject code into remote processes 19->74 29 System.exe 1 19->29         started        50 C:\Users\user\AppData\Roaming\svchost.exe, PE32 25->50 dropped 52 C:\Users\user\AppData\...\tmp58A1.tmp.bat, DOS 25->52 dropped 76 Machine Learning detection for dropped file 25->76 78 Drops PE files with benign system names 25->78 33 cmd.exe 1 25->33         started        35 cmd.exe 1 25->35         started        signatures9 process10 dnsIp11 58 194.233.169.93, 1337, 49758, 49771 NEXINTO-DE Germany 29->58 90 Antivirus detection for dropped file 29->90 92 Multi AV Scanner detection for dropped file 29->92 94 Found evasive API chain (may stop execution after checking mutex) 29->94 96 Machine Learning detection for dropped file 29->96 37 svchost.exe 2 33->37         started        40 conhost.exe 33->40         started        42 timeout.exe 1 33->42         started        44 conhost.exe 35->44         started        46 schtasks.exe 1 35->46         started        signatures12 process13 signatures14 80 Antivirus detection for dropped file 37->80 82 System process connects to network (likely due to code injection or exploit) 37->82 84 Multi AV Scanner detection for dropped file 37->84 86 Machine Learning detection for dropped file 37->86
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/51c23c9fee47972db699d6fbefcf75f1f841e2a72efff842b34d38f9faf89a34/
Threat name:
Win32.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2022-03-18 01:34:00 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=khbdzh7oi6ls3nuz23567t3v6h4edyvhf377qqvtju4pt6xyti2a._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
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AsyncRAT
361ced68c7680745d536ecd6a4c9dcbc867234c4fe10e419553d24a2514c3840
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4e9da20f5f7811b12fb30476fe4ecb65c36534316a2230f415f247a03a78932a
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589349a847cb638d1e81445fb809f25fc1106da48c9cb6e163810c70ff5a0bd4
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6afa8f79af9fd9ec79a3ebd4fd0932c496afdd4766df779a796e9ee502553562
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791494176550bed4aef033781d45c2f1a0a041f3b6a475a1f29c7acf128ff7d1
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7d093e8382b6648ad18ae9e5a0e6b9daf7a752910a2e9793b5bdbf4b978e3582
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7fe7baa9d94227c8dcf5722e21e7505f22f3958097f3d36f24183973aa58189d
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ac5413d3fc54fbf22f7dd4adff1ca58a8bfe52f759f437dfdf7eac4446fe6d4b
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da66b50a26a1b91eef2e102293a9086df408502b9aa00df5a684e2ce33ea72e1
AsyncRAT
+ 8'324 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default persistence rat suricata upx
Link:
https://tria.ge/reports/220321-qtjaascgel/
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
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
UPX packed file
Async RAT payload
AsyncRat
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
suricata: ET MALWARE Win32/Delfinject Check-in
Malware Config
C2 Extraction:
194.233.169.93:6606
194.233.169.93:7707
194.233.169.93:8808
194.233.169.93:1604
Unpacked files
SH256 hash:
74068b41f785d733291baf0b476cade15978b1d74d32b543a41dd00e71ccf75d
MD5 hash:
2d1666a20d06a40bdfe00c1b61f21218
SHA1 hash:
aa124d373f029a049371aa23e2e61825a6a41991
Link:
https://www.unpac.me/results/37feaee0-0b98-4575-9bb2-bb8c6b14993a/
SH256 hash:
8e82151ab9e25f6d350af6138813600e1847301612fde9d19d2fe794a682d035
MD5 hash:
7ac5b40869442ae8c1b7d52ed3236498
SHA1 hash:
deb18d074eeb8254445dbf942d2f2e2c8cbc0224
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/37feaee0-0b98-4575-9bb2-bb8c6b14993a/
SH256 hash:
51c23c9fee47972db699d6fbefcf75f1f841e2a72efff842b34d38f9faf89a34
MD5 hash:
be7d8603d79043c19fe1bbb7430063a5
SHA1 hash:
70ea685356260783390552a16e44b93c2bbd341b
Link:
https://www.unpac.me/results/37feaee0-0b98-4575-9bb2-bb8c6b14993a/
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/51c23c9fee47972db699d6fbefcf75f1f841e2a72efff842b34d38f9faf89a34

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:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents

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/253616/

Comments