MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77cc0ec039c99a695a94081d8462ee42b5b526a1da92bf05c65f3ff8fd40ec0c. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments

SHA256 hash: 77cc0ec039c99a695a94081d8462ee42b5b526a1da92bf05c65f3ff8fd40ec0c
SHA3-384 hash: 3c8f3b97e9af2692725796e963d6770143dd91311ec1b3b97f2ca3861dfc67072b22c53baa3cb35c4cc035f87dc3d32a
SHA1 hash: be62388c45754b3497e8eda1d501031fa2ca7cbf
MD5 hash: fbf75396fc5ed9d7555effe393035109
humanhash: lamp-monkey-lake-alaska
File name:Geno_Quotation,pdf.exe
Download: download sample
Signature AsyncRAT
File size:951'296 bytes
First seen:2021-01-13 07:41:12 UTC
Last seen:2021-01-13 09:38:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:/tbtpfC+By0Gm2YR4qNuiC+w0btcLKXF/tLt/BQ/jQfvgnamfQyeKw:/VOiQ0btcOXPhBQUfQBQyeKw
Threatray 70 similar samples on MalwareBazaar
TLSH B1150940ABD81700F3BD27BC6970406157F9FB95A7B8E31CF86C506A5FA2E5084BE762
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: mail5.welislinghung.com
Sending IP: 161.35.237.190
From: Pallavi Sagar <agrisem@agrisem.com>
Subject: Give offer
Attachment: Geno_Quotation,pdf.iso (contains "Geno_Quotation,pdf.exe")

AsyncRAT C2:
185.140.53.135:1010

Intelligence


File Origin
# of uploads :
2
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Geno_Quotation,pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-01-13 08:28:44 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:
Result
Verdict:
SUSPICIOUS
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
Connects to a pastebin service (likely for C&C)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
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 AntiVM_3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
null:null
Unpacked files
SH256 hash:
77cc0ec039c99a695a94081d8462ee42b5b526a1da92bf05c65f3ff8fd40ec0c
MD5 hash:
fbf75396fc5ed9d7555effe393035109
SHA1 hash:
be62388c45754b3497e8eda1d501031fa2ca7cbf
SH256 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
SH256 hash:
7360e912ab27ddef3a9046a9857de903bceff3c3479fb8bc1de02f6371dfbb9e
MD5 hash:
01c8e7c37678308ac884075a854c487a
SHA1 hash:
2ee5fb97dd31544ae377d6708a6fb0cee4b41edc
SH256 hash:
978121e108da4f7fe36589a18f5524f739372126774581d134164fdec4c70f61
MD5 hash:
6620e766047e33d42722e29b88ffefda
SHA1 hash:
5c6aa8140704dbef6d8e63662db9f650d7e99d1b
Detections:
win_asyncrat_w0
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:Reverse_text_bin_mem
Author:James_inthe_box
Description:Reverse text detected
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.

Malspam

AsyncRAT

Executable exe 77cc0ec039c99a695a94081d8462ee42b5b526a1da92bf05c65f3ff8fd40ec0c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments