MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef49862573dc6f3a18094cb5a2644d1a0db366283ec46152e79bcf2f828440bc. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef49862573dc6f3a18094cb5a2644d1a0db366283ec46152e79bcf2f828440bc
SHA3-384 hash: 03ede5fea25410f808965f51f5c0aa996be4b2b12370cfba94159651b97ed9c6d6bd2c18039097485fc35abf6521ce30
SHA1 hash: 6148d8afff84c92dbd5fc74ae4dd936ba4783bb4
MD5 hash: 918c64196f31842ff6f7abcd6c8602fa
humanhash: zulu-lima-echo-iowa
File name:ORDER-2114 doc.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:951'296 bytes
First seen:2021-01-15 06:16:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:NR9LWHOenHs8OWSsh4r+/v13Sfrv7eb3rb3AfpeI5/DM5JjkSCmSAQdP:pLWTHv4shK+lSfLKLrbQfp39DM5hkJO
Threatray 557 similar samples on MalwareBazaar
TLSH 4515BE81FA508275D59B5630227DBD2D0A2A6EF9342EC70848EC3D5B3D72B4D7693E23
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: 66-165-231-114.static.hvvc.us
Sending IP: 66.165.231.114
From: Marathi Piyush <info@holtags.com>
Reply-To: info@holtags.com
Subject: Fw: PO #2114
Attachment: ORDER-2114 doc.gz (contains "ORDER-2114 doc.exe")

AsyncRAT C2s:
dongreg202020.duckdns.org (178.33.222.241)
chongmei33.publicvm.com:49746 (37.120.208.37)

Intelligence

File Origin
# of uploads :
1
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ORDER-2114 doc.exe
Verdict:
Malicious activity
Analysis date:
2021-01-15 06:20:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8ee89f8d-e2fb-4912-b3c1-820581deb60a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/112138/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.507.13667.1651.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Sending a UDP request
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/582318
Signature
Binary contains a suspicious time stamp
Bypasses PowerShell execution policy
Connects to many ports of the same IP (likely port scanning)
Drops PE files to the startup folder
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 340191 Sample: ORDER-2114 doc.exe Startdate: 15/01/2021 Architecture: WINDOWS Score: 100 35 chongmei33.publicvm.com 2->35 43 Multi AV Scanner detection for dropped file 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected AntiVM_3 2->47 49 7 other signatures 2->49 8 ORDER-2114 doc.exe 3 2->8         started        11 I$s#$lT3ssl.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\ORDER-2114 doc.exe.log, ASCII 8->29 dropped 14 powershell.exe 15 8->14         started        18 vbc.exe 2 8->18         started        51 Writes to foreign memory regions 11->51 53 Injects a PE file into a foreign processes 11->53 21 powershell.exe 19 11->21         started        23 vbc.exe 3 11->23         started        signatures6 process7 dnsIp8 31 C:\Users\user\AppData\...\I$s#$lT3ssl.exe, PE32 14->31 dropped 33 C:\Users\...\I$s#$lT3ssl.exe:Zone.Identifier, ASCII 14->33 dropped 55 Drops PE files to the startup folder 14->55 57 Powershell drops PE file 14->57 25 conhost.exe 14->25         started        37 dongreg202020.duckdns.org 178.33.222.241, 2703, 49714, 49730 OVHFR France 18->37 39 79.134.225.92, 49703, 49734, 49767 FINK-TELECOM-SERVICESCH Switzerland 18->39 41 3 other IPs or domains 18->41 27 conhost.exe 21->27         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef49862573dc6f3a18094cb5a2644d1a0db366283ec46152e79bcf2f828440bc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-01-15 06:17:07 UTC
AV detection:
8 of 46 (17.39%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=55eymjlt3rxtugajjs22ezcndig3gzrih3cgcuxhtphs7aueic6a._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0a9e7542b65b3a7c5e1a11a2b23c2366fd53bff3205bb9d1656d4e32d1f0068b
AsyncRAT
2c8c5c5e5990da4a2af218cfece6afda3f4830be6605b9767adbfbde2e5cd276
AsyncRAT
395fdb688d7d8085e2636fb26e7e4d5004ae3ec20db26edeee1e0a19d5872e07
AsyncRAT
65c205b93cf9c6d9e9acd5336e010a43309688bfc2e28cffbb5ba8973757fd49
AsyncRAT
68bf0a42854ac13fe13a75bb213f51934a3edc0fa7a0732ddb12a68699619474
AsyncRAT
867eb496d9f6122024560c00e0a2fde238fed90558dd0b4b838047c8eed8196c
AsyncRAT
8dd3b9fb0158903433d23f879d07820b8110a4b6417f3deda72342c2f698384e
AsyncRAT
c853a4beac9f6fcea2bb9ad13b17eafd6605cac76899edbecd88d4f981d9f432
AsyncRAT
e452ae28b674ac4715a811e24d502948e94489ccb1ed14ca49d3ed8ab395f85c
AsyncRAT
fc926b2871dc293ad75ff0caf3863adc75b9342a34c1965c3991f512a2f666c8
AsyncRAT
+ 547 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210115-5pemlt5m8s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Uses the VBS compiler for execution
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
chongmei33.publicvm.com:49746
chongmei33.publicvm.com:2703
chongmei33.publicvm.com:49714
chongmei33.publicvm.com:49703
185.165.153.116:49746
185.165.153.116:2703
185.165.153.116:49714
185.165.153.116:49703
54.37.36.116:49746
54.37.36.116:2703
54.37.36.116:49714
54.37.36.116:49703
185.244.30.92:49746
185.244.30.92:2703
185.244.30.92:49714
185.244.30.92:49703
dongreg202020.duckdns.org:49746
dongreg202020.duckdns.org:2703
dongreg202020.duckdns.org:49714
dongreg202020.duckdns.org:49703
178.33.222.241:49746
178.33.222.241:2703
178.33.222.241:49714
178.33.222.241:49703
rahim321.duckdns.org:49746
rahim321.duckdns.org:2703
rahim321.duckdns.org:49714
rahim321.duckdns.org:49703
79.134.225.92:49746
79.134.225.92:2703
79.134.225.92:49714
79.134.225.92:49703
37.120.208.36:49746
37.120.208.36:2703
37.120.208.36:49714
37.120.208.36:49703
Unpacked files
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/97f494da-feb5-4208-be65-c23dd161efe6/
SH256 hash:
20cc4a76ef5a0268876c7b56146a8df670559d85c2fd993d0eefc4ead3cde792
MD5 hash:
f06eb45a246bdc28f3a7c7e1e1687351
SHA1 hash:
76e996b8570dff4e393c0ffbb09d7ffa86d9f1fe
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/97f494da-feb5-4208-be65-c23dd161efe6/
Parent samples :
90c600dffff136ea3f0b912d895a7b3d2143e03b666616d0ec8bd57547b7549d
7a81b97b26c6d76db59a1241f85c9c9d1b446c76c694f3b2f010649ebfe22d94
70795c4cfc9af8305dc404936a20f81ef186501dfbfa09e3c5102835c1e7a246
ae38580db92dbcfd0456c535738923566520f8eaea88f3916acd636bb01f5104
2d3d24b0b4361a06d5032cb5a446d6d8bd2a780ce443dc5b7eb710b7fe0a467b
d97e5a648a7ac08eec78190ccf2a159bff2352c1aa579024fd3607f1a840f64b
2f9cb1d92f37dd4b40efeca5b72f6abbd03c52683c03b1073118619e2f205e66
b2e5c043068bc3ec4be61c4884722589649aceef5adfb5c3a0e84a4172554e1c
314d69dbe6a1acf74ed3ba3586af73c64f1fbd71a42f1f6c67ebb1fdabebc9a4
916e1e0648bbd10e136c833688e22b87c1f6ae73df18b9e331db37d05ce0b528
e51fe517af7c5e00a484199d6aed86aaec898fabc294c43ac3190c95c770f6e1
7f8fae93824dfb08c5a5a4ad6e28612109530da49a33370eacb8deaa5fe9fd6b
ea78060a7dd7e2df3a47591cc7503c7dd637c3169ec4c78250a43f3bd3d4a290
ef49862573dc6f3a18094cb5a2644d1a0db366283ec46152e79bcf2f828440bc
521038c254fb2368aa01c66aafdd5679227876171c7b5fbc0771839ca1977c89
c3da5900ffc136a07742614435997d9f283006d930d37a35b07a3b2087096aa0
c83c142d5f662971357508ec11fc110313225643d6e8958aea78e0d4a1b8a313
507cd77f0000cc2af40601e9121683769ea55d389a1df1c7832a103785711fb4
SH256 hash:
cf3428c783ca447b77d1e3cd2c7b178cb109e36a81a0beab0716c1fd6ba29d16
MD5 hash:
8d12962525c58682d43ac6bfdc2cae7c
SHA1 hash:
0556e7b34539a2ba1d3afac7805721678789333c
Link:
https://www.unpac.me/results/97f494da-feb5-4208-be65-c23dd161efe6/
SH256 hash:
ef49862573dc6f3a18094cb5a2644d1a0db366283ec46152e79bcf2f828440bc
MD5 hash:
918c64196f31842ff6f7abcd6c8602fa
SHA1 hash:
6148d8afff84c92dbd5fc74ae4dd936ba4783bb4
Link:
https://www.unpac.me/results/97f494da-feb5-4208-be65-c23dd161efe6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ef49862573dc6f3a18094cb5a2644d1a0db366283ec46152e79bcf2f828440bc

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.

Malspam

AsyncRAT

zip 07c951e0a8378a9a123fa19b171f4d996dc6c4ad4af4a9e80c8432c6c58aa118

AsyncRAT

Executable exe ef49862573dc6f3a18094cb5a2644d1a0db366283ec46152e79bcf2f828440bc

(this sample)

  
Dropped by
MD5 1e48ba66d6b160b4cd4b3a5307b8de1e
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/112138/
  
Dropped by
SHA256 07c951e0a8378a9a123fa19b171f4d996dc6c4ad4af4a9e80c8432c6c58aa118

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