MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8403c57936639ceb93873d1e3033ed114bfbd1b85c8c0dbbff237566f442b9ed. 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: 11


Intelligence 11 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8403c57936639ceb93873d1e3033ed114bfbd1b85c8c0dbbff237566f442b9ed
SHA3-384 hash: 9433c33a0669c9832ebb2c55b01882c771f892401d9ff165a7025220c509e91ebc2e077c4d413de0957a727bb563af11
SHA1 hash: 291d612acd7a14aeec4efc7998e646a4f183caed
MD5 hash: 0cf81488568994167588177673d0daf3
humanhash: bluebird-six-salami-crazy
File name:ORDER-#216448.xls.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:1'050'624 bytes
First seen:2021-06-21 06:36:25 UTC
Last seen:2021-06-21 08:11:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:lcvBdB9c3HhUCSy9hSJWPvaiP1t/uv0S8G/pAZNPy/bGZzEhIxwW1/RPicSdBzLB:2BdBi7J9hSyva0tuvVH2Z0G78
Threatray 896 similar samples on MalwareBazaar
TLSH 902549A8315D719EF957C47189642E70AB212C6693CB96DEA393339DEA3D4C78F030B1
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
172.94.109.13:2703

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
172.94.109.13:2703 https://threatfox.abuse.ch/ioc/138044/

Intelligence

File Origin
# of uploads :
2
# of downloads :
132
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ORDER-#216448.xls.exe
Verdict:
Malicious activity
Analysis date:
2021-06-21 06:40:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c151a6c2-57c0-4775-ab78-8c2ba5bbe78c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.YakbeexMSIL.ZZ4.24386.30961.UNOFFICIAL
Create hunting rule

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:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/59cc07e4-61f5-4a56-93b2-85cf8ac31252
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/805093
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files with benign system names
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Sigma detected: Schedule system process
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Double Extension
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 437502 Sample: ORDER-#216448.xls.exe Startdate: 21/06/2021 Architecture: WINDOWS Score: 100 80 Multi AV Scanner detection for domain / URL 2->80 82 Found malware configuration 2->82 84 Yara detected AntiVM3 2->84 86 13 other signatures 2->86 10 ORDER-#216448.xls.exe 7 2->10         started        14 svchost.exe 2->14         started        process3 file4 68 C:\Users\user\AppData\...\uJaPqDcUFyoW.exe, PE32 10->68 dropped 70 C:\Users\...\uJaPqDcUFyoW.exe:Zone.Identifier, ASCII 10->70 dropped 72 C:\Users\user\AppData\Local\...\tmpA850.tmp, XML 10->72 dropped 74 C:\Users\user\...\ORDER-#216448.xls.exe.log, ASCII 10->74 dropped 92 Detected unpacking (changes PE section rights) 10->92 94 Detected unpacking (overwrites its own PE header) 10->94 96 Uses schtasks.exe or at.exe to add and modify task schedules 10->96 98 Drops PE files with benign system names 10->98 16 ORDER-#216448.xls.exe 10->16         started        19 powershell.exe 21 10->19         started        21 powershell.exe 24 10->21         started        23 2 other processes 10->23 100 Machine Learning detection for dropped file 14->100 102 Adds a directory exclusion to Windows Defender 14->102 104 Injects a PE file into a foreign processes 14->104 signatures5 process6 file7 64 C:\Users\user\AppData\Roaming\svchost.exe, PE32 16->64 dropped 66 C:\Users\user\AppData\...\tmpC676.tmp.bat, DOS 16->66 dropped 25 cmd.exe 16->25         started        27 cmd.exe 16->27         started        29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 conhost.exe 23->33         started        35 conhost.exe 23->35         started        process8 process9 37 svchost.exe 25->37         started        40 conhost.exe 25->40         started        42 timeout.exe 25->42         started        44 conhost.exe 27->44         started        46 schtasks.exe 27->46         started        signatures10 88 Adds a directory exclusion to Windows Defender 37->88 90 Injects a PE file into a foreign processes 37->90 48 svchost.exe 37->48         started        52 powershell.exe 37->52         started        54 schtasks.exe 37->54         started        56 powershell.exe 37->56         started        process11 dnsIp12 76 185.244.30.92, 49703, 49721 DAVID_CRAIGGG Netherlands 48->76 78 System process connects to network (likely due to code injection or exploit) 48->78 58 conhost.exe 52->58         started        60 conhost.exe 54->60         started        62 conhost.exe 56->62         started        signatures13 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8403c57936639ceb93873d1e3033ed114bfbd1b85c8c0dbbff237566f442b9ed/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-06-21 06:37:11 UTC
AV detection:
14 of 46 (30.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qqb4k6jwmoooxe4hhupdam7ncff7xunylsga3o77en2wn5ccxhwq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
06417db53e9b090c7a07192dbb6203ce15c832c0928d73ebbc9c8ebff05320ff
AsyncRAT
1299373ec40fc1f3f16957338574a9ad51a94e62220cc8c08f1ad81dee443544
AsyncRAT
16fc0cec13d88da3d0a36e4c42e733db8f1e21cafc18fd813a25cd0bc835f35a
AsyncRAT
1b7d7515f98891cf08164a7469bb9c9f3133e7834cfe99d55094594ca330e982
AsyncRAT
213528a5164fcb5253010129aac3855b4b905c9c5a9514a2a2b9db7e2b592a73
AsyncRAT
438e8f8d626ca18bb5fbd3499cad058033b199c865badba6415e362d5b8dcd49
AsyncRAT
a4df5e9015f70b47dc4f2e6bae0fbeb9d108979e0cda7ef54aa123a0d33bdf8b
AsyncRAT
c75f28cdb21bec49700a7579d3b630074e3fb6de4cda70c5937dcd8424bbebbf
AsyncRAT
ceddcfa72226e91f7435facafe6631d1385ca4d246d242d5136ac4e9462b8611
AsyncRAT
fad55e42bde0dce163f94a0ac272418b17100a67e439574fdc49ab7e2b12bc3e
AsyncRAT
+ 886 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210621-g2m7333kse/
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
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
chongmei33.publicvm.com:2703
chongmei33.publicvm.com:49703
chongmei33.publicvm.com:49746
185.165.153.116:2703
185.165.153.116:49703
185.165.153.116:49746
54.37.36.116:2703
54.37.36.116:49703
54.37.36.116:49746
185.244.30.92:2703
185.244.30.92:49703
185.244.30.92:49746
dongreg202020.duckdns.org:2703
dongreg202020.duckdns.org:49703
dongreg202020.duckdns.org:49746
178.33.222.241:2703
178.33.222.241:49703
178.33.222.241:49746
rahim321.duckdns.org:2703
rahim321.duckdns.org:49703
rahim321.duckdns.org:49746
79.134.225.92:2703
79.134.225.92:49703
79.134.225.92:49746
37.120.208.36:2703
37.120.208.36:49703
37.120.208.36:49746
178.33.222.243:2703
178.33.222.243:49703
178.33.222.243:49746
87.98.245.48:2703
87.98.245.48:49703
87.98.245.48:49746
Unpacked files
SH256 hash:
8fbf23aa75ded635c1cab5728b3a4a26088124421bcfd113640213a6f2b60e4e
MD5 hash:
13c205c6d2febf4d86b996621c46d27c
SHA1 hash:
e45765aa3d81e8377f351d7be7631bca7562af48
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/358ed7b7-499e-4a7e-ad85-c26cc9697853/
SH256 hash:
0f8559f04eda71edaed096c824f517c29c54feca9ea7fa49d6fcf4b5ad443e05
MD5 hash:
6bfe5489d294b3abb64c87b742ecb912
SHA1 hash:
54fa76eeb912385771c1f8d5748e0f8f50cf1e86
Link:
https://www.unpac.me/results/358ed7b7-499e-4a7e-ad85-c26cc9697853/
SH256 hash:
18a01cfee65098b0cdc7b92f49c87446aca438513dc1e83e3572ed690dbe9dac
MD5 hash:
93a1da3ed01bfa2ef4808d086a4d47a2
SHA1 hash:
35baa372c64d6f903ffeb77566d2db3bd43510bb
Link:
https://www.unpac.me/results/358ed7b7-499e-4a7e-ad85-c26cc9697853/
SH256 hash:
8403c57936639ceb93873d1e3033ed114bfbd1b85c8c0dbbff237566f442b9ed
MD5 hash:
0cf81488568994167588177673d0daf3
SHA1 hash:
291d612acd7a14aeec4efc7998e646a4f183caed
Link:
https://www.unpac.me/results/358ed7b7-499e-4a7e-ad85-c26cc9697853/
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/8403c57936639ceb93873d1e3033ed114bfbd1b85c8c0dbbff237566f442b9ed

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments