MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13f9a3448c9f640ce71500fbcdfc51a2d3da47664a37ec9370c92671ceaefa5a. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 13f9a3448c9f640ce71500fbcdfc51a2d3da47664a37ec9370c92671ceaefa5a
SHA3-384 hash: b553fa3b13ac462d03bf45036ea000051c2667a78ccd1356b5f2636a694fb693fb7fde21ccd985c92b4e22b732b90ae3
SHA1 hash: 95a416cca3822ccc3c07789c4f9f4138503987aa
MD5 hash: f2b1f9e5dffcd2545984081a47a425fd
humanhash: lamp-snake-colorado-cup
File name:f2b1f9e5dffcd2545984081a47a425fd.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:288'256 bytes
First seen:2021-04-26 16:56:54 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 3072:OcsOCdXVx5llePwXe0rYEbEv4RdNUU+Ft5+eKpvKEKg68u3uN4qJKGdGpK:uVVx8CxYmEvUNUUGtxUKEKX8u+2q
Threatray 758 similar samples on MalwareBazaar
TLSH AE54BE6AFA42B3B4EA135CFCDAA1F14513952C2ADB73AF65A34C331740BD55746328B0
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
51.210.48.148:6606

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
51.210.48.148:6606 https://threatfox.abuse.ch/ioc/10218/

Intelligence

File Origin
# of uploads :
1
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO2021665.zip
Verdict:
Malicious activity
Analysis date:
2021-04-21 15:15:02 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/ad6b136a-ed21-41aa-9a47-e60020ff4912

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/144402/
Detection(s):
Win.Packed.Bulz-9854729-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file
Creating a file in the %temp% directory
Creating a process from a recently created file
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun
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.
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/698226
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Creates an undocumented autostart registry key
Found malware configuration
Injects a PE file into a foreign processes
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)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/13f9a3448c9f640ce71500fbcdfc51a2d3da47664a37ec9370c92671ceaefa5a/
Threat name:
Win32.Trojan.Mamson
Create hunting rule
Status:
Malicious
First seen:
2021-04-24 22:45:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
26 of 47 (55.32%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cp42gremt5sazzyvad5437crulj5ur3gji36ze3qzethdtvo7jna._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
213528a5164fcb5253010129aac3855b4b905c9c5a9514a2a2b9db7e2b592a73
AsyncRAT
8caf62d462e50ef6d1d21a018b8c3f99ef7713af0353d7fa23660f6a6f04a4b9
AsyncRAT
a4df5e9015f70b47dc4f2e6bae0fbeb9d108979e0cda7ef54aa123a0d33bdf8b
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c64c2b5fd4c90ac4dd5c41b733d43669fd3dfa75342d98f29b7bd3178e6374de
AsyncRAT
c75f28cdb21bec49700a7579d3b630074e3fb6de4cda70c5937dcd8424bbebbf
AsyncRAT
c8cc7c1a1210a082960b929c3598521979e16c1c6f5626b8ad29b9618ab5e18c
AsyncRAT
d90bd5fe1ea6c9d3435e443b030981e2a4842d41b08cb39fc293ba4ea9ad1c9c
AsyncRAT
fad55e42bde0dce163f94a0ac272418b17100a67e439574fdc49ab7e2b12bc3e
AsyncRAT
fb9bf51c0e56eace193c9c38ef65c297f5ec1bb0a0e2a3f05e9ec35efe094bb0
AsyncRAT
fee6cda76d8c5b289b76deba1176049e529f51ac06f817a8a22ec77b17d74f35
AsyncRAT
+ 748 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat persistence rat
Link:
https://tria.ge/reports/210426-8vnhv8stje/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Modifies WinLogon for persistence
Malware Config
C2 Extraction:
51.210.48.148:6606
51.210.48.148:7707
51.210.48.148:8808
216.250.249.156:6606
216.250.249.156:7707
216.250.249.156:8808
Unpacked files
SH256 hash:
f2b78b84fec61d51fa67479dc4362a76016e1a2eedfe7e785fe768843b681b3d
MD5 hash:
e1e4231f41fd7f82f99b0fa5069bf751
SHA1 hash:
cd03290df455c88d3894f0f259a9706767bf8e80
Link:
https://www.unpac.me/results/4c59a553-4348-4d21-a9bd-bde73609392f/
SH256 hash:
14a9b31172b2250805972bf4824f660d4d8b2a2f7edec19f7b460f452c9d016b
MD5 hash:
1e1e4d905c4c43c0350076c7334290a4
SHA1 hash:
ae1fb91b65a94dec524a65b2d70d02772056e62d
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/4c59a553-4348-4d21-a9bd-bde73609392f/
SH256 hash:
a096ccb0728cde72a355abc51b5473e80327964b4b84841a9a15bb96be77bf16
MD5 hash:
9b3ef38e28d8c0969b4bc85a58b6c37f
SHA1 hash:
6d4b80b3ac9ae6583873b066bb458de5af0f5d4d
Link:
https://www.unpac.me/results/4c59a553-4348-4d21-a9bd-bde73609392f/
SH256 hash:
13f9a3448c9f640ce71500fbcdfc51a2d3da47664a37ec9370c92671ceaefa5a
MD5 hash:
f2b1f9e5dffcd2545984081a47a425fd
SHA1 hash:
95a416cca3822ccc3c07789c4f9f4138503987aa
Link:
https://www.unpac.me/results/4c59a553-4348-4d21-a9bd-bde73609392f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Gamarue
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/13f9a3448c9f640ce71500fbcdfc51a2d3da47664a37ec9370c92671ceaefa5a

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:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
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/144402/

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