MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e666ea7c0c4554925e2018a1e469e13140cb33abaca5b8aa8fddd12c2e7a2ed9. 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 YARA 15 File information Comments
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SHA256 hash: e666ea7c0c4554925e2018a1e469e13140cb33abaca5b8aa8fddd12c2e7a2ed9
SHA3-384 hash: 43351fd177098ceb81d1ad65f097289f00ba6f975cfd8139756e221d2f2d80d08ec7a27a01093667431fccf8449f387e
SHA1 hash: 66f9a9ec0d95ca4f09427f15188d94861358e357
MD5 hash: f183296a255d503fc9e0fa83d6660952
humanhash: network-nevada-arizona-aspen
File name:DHL Delivery Exception.pdf.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:52'224 bytes
First seen:2022-06-13 12:16:31 UTC
Last seen:2022-06-20 09:11:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 768:NR4bs3ZfPs+ZochAtwYwq4EQvshFsubtW5Mmq2jTAeSPqRA:NR4bIZfkIzAt1B4nvsHs2s5lNT7m
TLSH T1F73317D2D54042A4FD790F3164366E24427FBEAABD78FA4DA88570532BB32D32436D17
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 576b9b9921415351 (3 x AsyncRAT, 1 x AgentTesla)
Reporter abuse_ch
Tags:AsyncRAT DHL exe RAT

Intelligence

File Origin
# of uploads :
5
# of downloads :
297
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL Delivery Exception.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-06-13 22:37:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2c03a600-1914-4e0f-8728-a643854b550d

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/279410/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Launching a process
Sending an HTTP GET request
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62a72ac58763ffd4adbec084/reports/5b1eeccf-738f-4231-b701-ece7ac83459d/overview
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/86eb5e21-315a-4c23-8983-cce1d1d14336
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1011988
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Snort IDS alert for network traffic
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 dynamic DNS services
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected MSILDownloaderGeneric
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 644483 Sample: DHL Delivery Exception.pdf.exe Startdate: 13/06/2022 Architecture: WINDOWS Score: 100 67 Snort IDS alert for network traffic 2->67 69 Multi AV Scanner detection for domain / URL 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 11 other signatures 2->73 7 DHL Delivery Exception.pdf.exe 16 7 2->7         started        11 Zjudfo.exe 14 4 2->11         started        14 Zjudfo.exe 2->14         started        process3 dnsIp4 61 cdn.discordapp.com 162.159.133.233, 443, 49761 CLOUDFLARENETUS United States 7->61 53 C:\Users\user\AppData\Roaming\...\Zjudfo.exe, PE32 7->53 dropped 55 C:\Users\user\...\Zjudfo.exe:Zone.Identifier, ASCII 7->55 dropped 57 C:\...\DHL Delivery Exception.pdf.exe.log, ASCII 7->57 dropped 16 InstallUtil.exe 2 7->16         started        19 cmd.exe 1 7->19         started        21 powershell.exe 15 7->21         started        63 162.159.129.233, 443, 49845 CLOUDFLARENETUS United States 11->63 75 Multi AV Scanner detection for dropped file 11->75 77 Machine Learning detection for dropped file 11->77 23 cmd.exe 11->23         started        25 powershell.exe 11->25         started        33 5 other processes 11->33 65 162.159.134.233, 443, 49846 CLOUDFLARENETUS United States 14->65 27 cmd.exe 14->27         started        29 powershell.exe 14->29         started        31 InstallUtil.exe 14->31         started        file5 signatures6 process7 dnsIp8 59 cigdem5.duckdns.org 45.133.1.152, 49770, 6606 DEDIPATH-LLCUS Netherlands 16->59 35 conhost.exe 19->35         started        37 timeout.exe 1 19->37         started        39 conhost.exe 21->39         started        41 conhost.exe 23->41         started        43 timeout.exe 23->43         started        45 conhost.exe 25->45         started        47 conhost.exe 27->47         started        49 timeout.exe 27->49         started        51 conhost.exe 29->51         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e666ea7c0c4554925e2018a1e469e13140cb33abaca5b8aa8fddd12c2e7a2ed9/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-06-13 12:17:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
15 of 26 (57.69%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4ztou7amivkjexradcq6i2pbgfamwm5lvss3rkup3xisylt2f3mq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
masslogger
Create hunting rule
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default persistence rat suricata
Link:
https://tria.ge/reports/220613-pf13hsgbbl/
Behaviour
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Async RAT payload
AsyncRat
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
cigdem5.duckdns.org:6606
cigdem5.duckdns.org:7707
cigdem5.duckdns.org:8808
Unpacked files
SH256 hash:
e666ea7c0c4554925e2018a1e469e13140cb33abaca5b8aa8fddd12c2e7a2ed9
MD5 hash:
f183296a255d503fc9e0fa83d6660952
SHA1 hash:
66f9a9ec0d95ca4f09427f15188d94861358e357
Link:
https://www.unpac.me/results/3c63a449-a656-45f0-94c9-bdb34f571ba4/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e666ea7c0c45/report/overview.html
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/e666ea7c0c4554925e2018a1e469e13140cb33abaca5b8aa8fddd12c2e7a2ed9

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:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research
Rule name:SUSP_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
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/279410/

Comments