MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac6ff436075886c4a58ef900c453b12fdd17464e6d803ddd7c4745ac224e0c1f. 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: 13


Intelligence 13 IOCs 1 YARA 7 File information Comments

SHA256 hash: ac6ff436075886c4a58ef900c453b12fdd17464e6d803ddd7c4745ac224e0c1f
SHA3-384 hash: ad2322fc9605e9aae09b64b0b7cb5939cd6d3be764069a6f1a4d8f7ba4755cce05db16243721cf08d047b58ee0dcba40
SHA1 hash: 4e6ce90f306faf6956db4010e4fd87db4f7e3fc9
MD5 hash: 823f5a90491d98ae5129b10a777fb247
humanhash: burger-tennessee-south-pasta
File name:Confirmation transfer Ref#0012134253.exe
Download: download sample
Signature AsyncRAT
File size:318'976 bytes
First seen:2021-12-16 07:30:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:emqHdSAGuHoA5QF19zjZxMLQTeA57ph4Kl4JVHozdIubGKEyX:emvPuHoA5QfJjZMvAJfrmTIzdIuSK3
Threatray 1'752 similar samples on MalwareBazaar
TLSH T1E064F14036AC5F27D53D4BFD5466250213F5903B7213FF882ED6B1EF26A2B428A12E97
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
185.140.53.242:2256

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
185.140.53.242:2256 https://threatfox.abuse.ch/ioc/276498/

Intelligence


File Origin
# of uploads :
1
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Searching for the window
DNS request
Sending a custom TCP request
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for domain / URL
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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 AntiVM3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-16 03:22:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default rat suricata
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Async RAT payload
AsyncRat
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
fresh01.ddns.net:2245
fresh01.ddns.net:2256
fresh01.ddns.net:2257
Unpacked files
SH256 hash:
be6aa6a0df83be74d7fddfd30280c571eb9a206de712c4bfd68ce27ed17b8e63
MD5 hash:
86848cfa4ab03b68400a30c4c62e76b9
SHA1 hash:
2e37575e476fb5a225a3db18301c88695759e2e5
SH256 hash:
6e82d0ce3627e1975a4ca277378436918be463a248cc7f5acefc953b6ece2d16
MD5 hash:
7b9b135d7b536c5d27baa5fcd2240070
SHA1 hash:
23ec19f1a1a77f5004cb668853558f3bee44ea5a
Detections:
win_asyncrat_w0
SH256 hash:
9f5763966bacdc6de3944a6e06a49b05869c38f2e98b32cb93b483a480a6ffff
MD5 hash:
3418c620c4b9dd4533a88f1ba5ec3ff1
SHA1 hash:
12f6aaf1c90030c4063d42a27b2e7000a08b6e74
SH256 hash:
ac6ff436075886c4a58ef900c453b12fdd17464e6d803ddd7c4745ac224e0c1f
MD5 hash:
823f5a90491d98ae5129b10a777fb247
SHA1 hash:
4e6ce90f306faf6956db4010e4fd87db4f7e3fc9
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
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.

Comments