MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74221a6c13b7221afb2e91d46e4b561940f2d5fe3a3a9410c89a8711e983c0a2. 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 YARA 3 File information Comments
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SHA256 hash: 74221a6c13b7221afb2e91d46e4b561940f2d5fe3a3a9410c89a8711e983c0a2
SHA3-384 hash: ba58eeb7f1098490083403cadd369e98b19e7b7e8b0c65d4ee3a284f27b637862282cc275ecb0394be636604f9995b8a
SHA1 hash: d4459a61cb98ce076cea36b01c90015ce13b27c1
MD5 hash: 330d03714cfb57155a6fbaced9013d53
humanhash: romeo-wyoming-butter-social
File name:CV CREDENTIALS.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:626'688 bytes
First seen:2021-07-08 05:40:15 UTC
Last seen:2021-07-08 05:40:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:JZgM24qJGcWv07ctEUFM8q7ByRJt4lpq18HPtA6Out16NsB:Un4q0cQ07ZUklStg6N
Threatray 965 similar samples on MalwareBazaar
TLSH T125D439BD703276EECDABC6398B342D6C9F5972BBD20B227640176499448CB878F61473
Reporter cocaman
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
111
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CV CREDENTIALS.exe
Verdict:
Malicious activity
Analysis date:
2021-07-08 05:45:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7170a56b-e9fb-4c39-b1ad-265058956a8b

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/170347/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.908-1.UNOFFICIAL
Create hunting rule

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.
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4b3617d8-c341-4707-90ba-d674ede7a93b
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/813261
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 445672 Sample: CV CREDENTIALS.exe Startdate: 08/07/2021 Architecture: WINDOWS Score: 100 66 ambiboss.ydns.eu 2->66 74 Multi AV Scanner detection for domain / URL 2->74 76 Found malware configuration 2->76 78 Multi AV Scanner detection for dropped file 2->78 80 7 other signatures 2->80 11 CV CREDENTIALS.exe 7 2->11         started        15 USBupd.exe 4 2->15         started        signatures3 process4 file5 58 C:\Users\user\AppData\...yiNbuwSxEm.exe, PE32 11->58 dropped 60 C:\Users\...yiNbuwSxEm.exe:Zone.Identifier, ASCII 11->60 dropped 62 C:\Users\user\AppData\Local\Temp\tmpE72.tmp, XML 11->62 dropped 64 C:\Users\user\...\CV CREDENTIALS.exe.log, ASCII 11->64 dropped 82 Injects a PE file into a foreign processes 11->82 17 CV CREDENTIALS.exe 6 11->17         started        20 schtasks.exe 1 11->20         started        84 Multi AV Scanner detection for dropped file 15->84 86 Machine Learning detection for dropped file 15->86 22 schtasks.exe 15->22         started        24 USBupd.exe 15->24         started        signatures6 process7 file8 56 C:\Users\user\AppData\Roaming\USBupd.exe, PE32 17->56 dropped 26 cmd.exe 1 17->26         started        28 cmd.exe 1 17->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        process9 process10 34 USBupd.exe 5 26->34         started        37 conhost.exe 26->37         started        39 timeout.exe 1 26->39         started        41 conhost.exe 28->41         started        43 schtasks.exe 1 28->43         started        signatures11 72 Injects a PE file into a foreign processes 34->72 45 USBupd.exe 34->45         started        48 schtasks.exe 34->48         started        50 USBupd.exe 34->50         started        52 USBupd.exe 34->52         started        process12 dnsIp13 68 ambiboss.ydns.eu 79.134.225.72, 49731, 49735, 49737 FINK-TELECOM-SERVICESCH Switzerland 45->68 70 185.140.53.8, 49734, 49736, 49738 DAVID_CRAIGGG Sweden 45->70 54 conhost.exe 48->54         started        process14
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/74221a6c13b7221afb2e91d46e4b561940f2d5fe3a3a9410c89a8711e983c0a2/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2021-07-08 03:40:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
14 of 46 (30.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oqrbu3atw4rbv6zoshkg4s2wdfapfvp6hi5jiegitkdrd2mdycra._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
1299373ec40fc1f3f16957338574a9ad51a94e62220cc8c08f1ad81dee443544
AsyncRAT
16fc0cec13d88da3d0a36e4c42e733db8f1e21cafc18fd813a25cd0bc835f35a
AsyncRAT
220bb2b7deba41f53a8d86d677691aff283314a29c27cc49b2ba396699237825
AsyncRAT
438e8f8d626ca18bb5fbd3499cad058033b199c865badba6415e362d5b8dcd49
AsyncRAT
a4df5e9015f70b47dc4f2e6bae0fbeb9d108979e0cda7ef54aa123a0d33bdf8b
AsyncRAT
b51c07d9a4e50ac499514d378320260821bd7486acd1077a6bddf8ab70c6a2b3
AsyncRAT
c8cc7c1a1210a082960b929c3598521979e16c1c6f5626b8ad29b9618ab5e18c
AsyncRAT
ceddcfa72226e91f7435facafe6631d1385ca4d246d242d5136ac4e9462b8611
AsyncRAT
d90bd5fe1ea6c9d3435e443b030981e2a4842d41b08cb39fc293ba4ea9ad1c9c
AsyncRAT
fee6cda76d8c5b289b76deba1176049e529f51ac06f817a8a22ec77b17d74f35
AsyncRAT
+ 955 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210708-ln4ymmfxgs/
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:
185.140.53.8:6060
ambiboss.ydns.eu:6060
Unpacked files
SH256 hash:
7cc074cd1b343eca89d7d911c2b7262883ed420c5ccab55266ac47c10d691690
MD5 hash:
ad7849f764619d31767fe7d9a704122a
SHA1 hash:
d64094c293d10a188ed82ce35407e14fb2eb9e7b
Link:
https://www.unpac.me/results/ad87505e-d97b-4338-bdad-70260a462698/
SH256 hash:
17b4504791186105d817b1a4f38ffe2fb1d4fe28eea3fafdb5efa9373025ec5e
MD5 hash:
bb9a7e09e378dcb83a00daba36750454
SHA1 hash:
63877c211a38fb29002e8121e095ae6620f7471c
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/ad87505e-d97b-4338-bdad-70260a462698/
Parent samples :
7b17590aa4a40438792a8bccd819133c952f12e1f5752909c24a12487ee026b8
952de49cb32683f135ddc940b0409b9a1464c941c13554f2cc843500b92049bc
74221a6c13b7221afb2e91d46e4b561940f2d5fe3a3a9410c89a8711e983c0a2
f9228d3256bdeadb61e4063d92cea2a1a5335f64b338125aa5051aaa1875d30c
4dce2f685bc8253951ff822d0febac76ceb6e2c926f831dbd16b1221046a448b
cf495989e776f59e020fad15bb34b5f92573f9a1b96a51cdd5a02d31d339d502
SH256 hash:
5209992fd1f96cd1959efb5e1afa71f5c9ae2ab4430e258fe9d0ec915098d110
MD5 hash:
257ca10e5cbb2f8bdf0ae6f3e900e11e
SHA1 hash:
9d25ee80dbe3bbce5ab4479912c5e21b19b6aeec
Link:
https://www.unpac.me/results/ad87505e-d97b-4338-bdad-70260a462698/
SH256 hash:
74221a6c13b7221afb2e91d46e4b561940f2d5fe3a3a9410c89a8711e983c0a2
MD5 hash:
330d03714cfb57155a6fbaced9013d53
SHA1 hash:
d4459a61cb98ce076cea36b01c90015ce13b27c1
Link:
https://www.unpac.me/results/ad87505e-d97b-4338-bdad-70260a462698/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/74221a6c13b7221afb2e91d46e4b561940f2d5fe3a3a9410c89a8711e983c0a2

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.

Malspam

AsyncRAT

zip f211b369e8e092fc3f8a22b540e320d4487452cdadaa9cfb272fabb921dd48e3

AsyncRAT

Executable exe 74221a6c13b7221afb2e91d46e4b561940f2d5fe3a3a9410c89a8711e983c0a2

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 f211b369e8e092fc3f8a22b540e320d4487452cdadaa9cfb272fabb921dd48e3
  
Dropped by
SHA256 812b683262522c802e012fece30087a0835e57502a0d2e55aeedb78a8fc715b8
Cape
Cape
https://www.capesandbox.com/analysis/170347/

Comments