MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb918b8f920a7f710cbd2460ba6132a177996912cc0ef6144ac824e3e37e4fdb. 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: 12


Intelligence 12 IOCs 1 YARA 7 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: eb918b8f920a7f710cbd2460ba6132a177996912cc0ef6144ac824e3e37e4fdb
SHA3-384 hash: 7f432040efd8d4c169b8bb3d7265795177f509deae73098cb9cd8ce4108288046977bfe39161efe4f78b8b0ad6dfff71
SHA1 hash: db89ebd6a1f415c12b28222c9dcdcdf41e30e1c0
MD5 hash: 37f4c31176eaf176d2de458df89a6f24
humanhash: uranus-rugby-quebec-four
File name:37F4C31176EAF176D2DE458DF89A6F24.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:187'331 bytes
First seen:2021-05-09 03:40:31 UTC
Last seen:2021-05-09 04:05:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 63 x GuLoader, 54 x Loki)
ssdeep 3072:7Ere7GjyCaFvcxMbQjBCKd0RwbP212GE2P4g9gxw0PiiByjBx4w:7PXmucCuiHEBsej9UjBD
Threatray 1'342 similar samples on MalwareBazaar
TLSH F804D0D161D000AFE5A60E730CF5262B9EB7C5C8ECDD52CB53E42E7E74B3141AA0A61E
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
91.109.178.9:5380

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
91.109.178.9:5380 https://threatfox.abuse.ch/ioc/33576/

Intelligence

File Origin
# of uploads :
2
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/153399/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware2.15528.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Sending a UDP request
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
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
Enabling autorun by creating a file
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/70708924-5570-4f1b-9636-d05ceba75a52
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/719699
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops PE files with benign system names
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
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: 408778 Sample: tf2j9VpHie.exe Startdate: 09/05/2021 Architecture: WINDOWS Score: 100 83 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->83 85 Found malware configuration 2->85 87 Multi AV Scanner detection for dropped file 2->87 89 6 other signatures 2->89 9 tf2j9VpHie.exe 1 21 2->9         started        13 WD.exe 17 2->13         started        15 dwm.exe 18 2->15         started        18 5 other processes 2->18 process3 dnsIp4 63 C:\Users\user\AppData\Roaming\Temp\WD.exe, PE32 9->63 dropped 65 C:\Users\user\AppData\...\8gjtwoyjh1n0.dll, PE32 9->65 dropped 93 Detected unpacking (changes PE section rights) 9->93 95 Detected unpacking (creates a PE file in dynamic memory) 9->95 97 Detected unpacking (overwrites its own PE header) 9->97 99 Drops PE files with benign system names 9->99 20 tf2j9VpHie.exe 7 9->20         started        67 C:\Users\user\AppData\...\8gjtwoyjh1n0.dll, PE32 13->67 dropped 101 Multi AV Scanner detection for dropped file 13->101 103 Machine Learning detection for dropped file 13->103 105 Maps a DLL or memory area into another process 13->105 23 WD.exe 3 13->23         started        79 192.168.2.1 unknown unknown 15->79 69 C:\Users\user\AppData\...\8gjtwoyjh1n0.dll, PE32 15->69 dropped 26 dwm.exe 15->26         started        71 C:\Users\user\AppData\...\8gjtwoyjh1n0.dll, PE32 18->71 dropped 28 WD.exe 18->28         started        file5 signatures6 process7 dnsIp8 55 C:\Users\user\AppData\Local\Temp\dwm.exe, PE32 20->55 dropped 57 C:\Users\user\AppData\...\tf2j9VpHie.exe.log, ASCII 20->57 dropped 30 cmd.exe 1 20->30         started        32 cmd.exe 1 20->32         started        73 societyf500.ddns.net 91.109.178.9, 49765, 5380 IELOIELOMainNetworkFR France 23->73 75 fact.azad.live 172.67.200.214, 5380 CLOUDFLARENETUS United States 23->75 77 104.21.13.168, 5380 CLOUDFLARENETUS United States 23->77 35 cmd.exe 23->35         started        59 C:\Users\user\AppData\Local\...\WD.exe.log, ASCII 28->59 dropped file9 process10 signatures11 37 dwm.exe 18 30->37         started        41 conhost.exe 30->41         started        43 timeout.exe 1 30->43         started        81 Uses schtasks.exe or at.exe to add and modify task schedules 32->81 45 conhost.exe 32->45         started        47 schtasks.exe 1 32->47         started        49 conhost.exe 35->49         started        51 schtasks.exe 35->51         started        process12 file13 61 C:\Users\user\AppData\...\8gjtwoyjh1n0.dll, PE32 37->61 dropped 91 Maps a DLL or memory area into another process 37->91 53 dwm.exe 37->53         started        signatures14 process15
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/eb918b8f920a7f710cbd2460ba6132a177996912cc0ef6144ac824e3e37e4fdb/
Threat name:
Win32.Trojan.Spynoon
Create hunting rule
Status:
Malicious
First seen:
2021-05-06 20:02:00 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
29 of 47 (61.70%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5oiyxd4sbj7xcdf5erqluyjsuf3zs2iszqhpmfckzasohy36j7nq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
133d378b2120357d5bab7586ff33b0bf55a4411b78b9c9ac4f340c9b8cea6fc8
AsyncRAT
213528a5164fcb5253010129aac3855b4b905c9c5a9514a2a2b9db7e2b592a73
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2edc93f84e6911e5b86040964715868c82eb28c2b48cdbb2c72dee60cfe2f792
AsyncRAT
7abcb717c38fe87ca0b5fbc03422fc1b19dc23742457ace0836016278fdba132
AsyncRAT
7da044c42ca2197b24b974350ae45f50ba9573714685c175026ff4a29a57973b
AsyncRAT
86b22d8497ac1df55b76bddca6c021ec4b9995b00caea5effeeffe4e9f592e44
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9ee67445d4ffeedd7c11e1e14949bf0f6060f34352e3f2c8d2184ffe0b4d235f
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a4df5e9015f70b47dc4f2e6bae0fbeb9d108979e0cda7ef54aa123a0d33bdf8b
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ddaaa650d42caaed5ddd7c307b986cdccfc25bcb84c7a4f29f9fddd26add4135
AsyncRAT
fad55e42bde0dce163f94a0ac272418b17100a67e439574fdc49ab7e2b12bc3e
AsyncRAT
+ 1'332 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat persistence rat
Link:
https://tria.ge/reports/210509-e7jx5674g2/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
fact.azad.live:5380
societyf500.ddns.net:5380
Unpacked files
SH256 hash:
58319c55862de738a8d83826c5db4267a5d675592fca07f39fc0a6b3be94b748
MD5 hash:
65e5d47ec52b8fbdf3853f53a818604e
SHA1 hash:
60c017eca149ed280ba99794078f13bf8770f692
Link:
https://www.unpac.me/results/7cd7e1ee-0228-423f-b90f-de8390397248/
SH256 hash:
eb918b8f920a7f710cbd2460ba6132a177996912cc0ef6144ac824e3e37e4fdb
MD5 hash:
37f4c31176eaf176d2de458df89a6f24
SHA1 hash:
db89ebd6a1f415c12b28222c9dcdcdf41e30e1c0
Link:
https://www.unpac.me/results/7cd7e1ee-0228-423f-b90f-de8390397248/
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/eb918b8f920a7f710cbd2460ba6132a177996912cc0ef6144ac824e3e37e4fdb

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:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:pe_imphash
Create hunting rule
Rule name:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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/153399/

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-09 04:00:36 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0032.001] Data Micro-objective::CRC32::Checksum
1) [C0026.002] Data Micro-objective::XOR::Encode Data
4) [C0046] File System Micro-objective::Create Directory
5) [C0048] File System Micro-objective::Delete Directory
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0050] File System Micro-objective::Set File Attributes
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
14) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
15) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
16) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
17) [C0017] Process Micro-objective::Create Process
18) [C0038] Process Micro-objective::Create Thread