MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0c6dbb5a8b9e0e7189b201b4387c4d23f2eec78a1b8c66834fc51a10b9f992f9. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0c6dbb5a8b9e0e7189b201b4387c4d23f2eec78a1b8c66834fc51a10b9f992f9
SHA3-384 hash: 33ba4ccbd15a949a8157aff4e18d7fabd18ed055a522f50b92bb2dd73a79e03febf2b29866f781a891fc34f5e13e8962
SHA1 hash: e40d0172916feb0d825c4d51c4ecfae2c3404ee4
MD5 hash: 7282a7ba68bb6dabdb7fd8f35e7dd59e
humanhash: vegan-one-cat-papa
File name:74725794.pdf.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:56'808 bytes
First seen:2020-12-17 08:49:42 UTC
Last seen:2020-12-17 10:30:08 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 768:+dpPoAvwSJ5izSW5iST3v57EbhHktTeMqhpUf2hn:+dDJ5mxX/5AbNKTypUfs
Threatray 518 similar samples on MalwareBazaar
TLSH 09431FD1AEF88A5AC42EB33D06D87502BF7A0D646631CE0B5631746229E33455FDE80F
Reporter abuse_ch
Tags:AsyncRAT CHN DHL exe geo


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: 191-101-130-44-hostedby.bcr.host
Sending IP: 191.101.130.44
From: China DHL Express <5idhl_noreply@dhl.com>
Reply-To: rrina-smediasys@post.com
Subject: [Sinotrans-DHL] 电子发票 (invoice number: 74725794)
Attachment: 74725794.pdf.iso (contains "74725794.pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
74725794.pdf.exe
Verdict:
Malicious activity
Analysis date:
2020-12-17 09:42:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/707da4fb-e6fd-4e0d-ae90-48d8ecbd3b0e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.DownloaderNET.106.20395.26564.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Adding an access-denied ACE
Creating a file
Sending a custom TCP request
Connection attempt
Sending a UDP request
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Enabling autorun
Unauthorized injection to a system process
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.
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/565229
Signature
Allocates memory in foreign processes
Connects to a pastebin service (likely for C&C)
Contains functionality to hide a thread from the debugger
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops PE files to the startup folder
Hides threads from debuggers
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
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)
Writes to foreign memory regions
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 331698 Sample: 74725794.pdf.exe Startdate: 17/12/2020 Architecture: WINDOWS Score: 100 69 hastebin.com 2->69 81 Multi AV Scanner detection for dropped file 2->81 83 Multi AV Scanner detection for submitted file 2->83 85 Yara detected AsyncRAT 2->85 87 4 other signatures 2->87 8 74725794.pdf.exe 18 5 2->8         started        13 74725794.pdf.exe 2->13         started        15 74725794.pdf.exe 2->15         started        17 2 other processes 2->17 signatures3 process4 dnsIp5 77 hastebin.com 172.67.143.180, 443, 49740, 49751 CLOUDFLARENETUS United States 8->77 65 C:\Users\user\AppData\...\74725794.pdf.exe, PE32 8->65 dropped 67 C:\Users\...\74725794.pdf.exe:Zone.Identifier, ASCII 8->67 dropped 89 Creates an undocumented autostart registry key 8->89 91 Drops PE files to the startup folder 8->91 93 Writes to foreign memory regions 8->93 101 3 other signatures 8->101 19 WerFault.exe 23 9 8->19         started        22 InstallUtil.exe 14 2 8->22         started        25 cmd.exe 1 8->25         started        95 Creates autostart registry keys with suspicious names 13->95 97 Creates multiple autostart registry keys 13->97 99 Hides threads from debuggers 13->99 27 cmd.exe 13->27         started        29 WerFault.exe 15->29         started        35 3 other processes 15->35 79 104.24.126.89, 443, 49747, 49754 CLOUDFLARENETUS United States 17->79 31 WerFault.exe 17->31         started        33 WerFault.exe 17->33         started        37 4 other processes 17->37 file6 signatures7 process8 dnsIp9 57 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 19->57 dropped 71 185.157.161.86, 9980 OBE-EUROPEObenetworkEuropeSE Sweden 22->71 73 pastebin.com 104.23.99.190, 443, 49745 CLOUDFLARENETUS United States 22->73 75 192.168.2.1 unknown unknown 22->75 39 conhost.exe 25->39         started        41 timeout.exe 1 25->41         started        55 2 other processes 27->55 59 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 29->59 dropped 61 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 31->61 dropped 63 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 33->63 dropped 43 conhost.exe 35->43         started        45 timeout.exe 35->45         started        47 conhost.exe 37->47         started        49 timeout.exe 1 37->49         started        51 conhost.exe 37->51         started        53 timeout.exe 37->53         started        file10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0c6dbb5a8b9e0e7189b201b4387c4d23f2eec78a1b8c66834fc51a10b9f992f9/
Threat name:
ByteCode-MSIL.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2020-12-17 08:50:08 UTC
AV detection:
12 of 29 (41.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=brw3wwultyhhdcnsag2dq7cnepzo5r4kdoggna2pyunbbopzsl4q._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
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fc926b2871dc293ad75ff0caf3863adc75b9342a34c1965c3991f512a2f666c8
AsyncRAT
+ 508 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat persistence rat
Link:
https://tria.ge/reports/201217-2hc67b8dgn/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Drops startup file
Async RAT payload
AsyncRat
Modifies WinLogon for persistence
Malware Config
C2 Extraction:
null:null
Unpacked files
SH256 hash:
0c6dbb5a8b9e0e7189b201b4387c4d23f2eec78a1b8c66834fc51a10b9f992f9
MD5 hash:
7282a7ba68bb6dabdb7fd8f35e7dd59e
SHA1 hash:
e40d0172916feb0d825c4d51c4ecfae2c3404ee4
Link:
https://www.unpac.me/results/7fbb5db3-c3cc-4b98-9d92-86ab02aaa820/
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/0c6dbb5a8b9e0e7189b201b4387c4d23f2eec78a1b8c66834fc51a10b9f992f9

File information

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

Malspam

AsyncRAT

iso 79d1c22d134dfcc4eb8b63e0aa1e6b99bf89f48799a2346a27e827c4cd42eac0

AsyncRAT

Executable exe 0c6dbb5a8b9e0e7189b201b4387c4d23f2eec78a1b8c66834fc51a10b9f992f9

(this sample)

  
Dropped by
MD5 c1a02b18f9d6222a23ea0f1b2e25eadf
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 79d1c22d134dfcc4eb8b63e0aa1e6b99bf89f48799a2346a27e827c4cd42eac0

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