MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c198797761647a41cab0f6ef6eb899059d3f3a875e841e7a88164f29ccf2a5b7. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments

SHA256 hash: c198797761647a41cab0f6ef6eb899059d3f3a875e841e7a88164f29ccf2a5b7
SHA3-384 hash: faaed844245aeffc8e71d5144e82bf52e0485cfa87f322e57bd6ffc3ab98128d1045cfa6d5dee38378f6db4f9c2f12c1
SHA1 hash: 3a7e809c91de7c73d57c11c55a4643bb1992986d
MD5 hash: b3f843bc2d8b46f4bc7e6a4fb9a2abbb
humanhash: jersey-cold-october-steak
File name:DOCUMENTO_FACTURA_ELECTRONICA_DE_VENTA_O_SERVICIOS_PRESTADOS_SOFWARE_DE_FACTURACION_EN_NUBE_ENVIA_AUTOMATICAMENTE_WORLD_OFFICEpdf.exe
Download: download sample
Signature AsyncRAT
File size:1'309'960 bytes
First seen:2023-05-06 10:31:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:ehie9LTEx/lAo29YFUie8hh7pdBXoOPspu3m:kP5oYYph7pLoYTm
Threatray 80 similar samples on MalwareBazaar
TLSH T12355D0332A62BEDCE77D5C74E4861A080C89EC6F52B4C5E8B888705B51BAB54DFB1C71
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0e89c8ccecee8f0 (1 x AsyncRAT)
Reporter 0xToxin
Tags:177-255-89-112 AsyncRAT BlindEagle exe opendir


Avatar
0xToxin
downloaded from:
https://webmail.une.net.co/home/alex.londono@sistemasaries.com.co/Briefcase/

PW - 0423

Intelligence


File Origin
# of uploads :
1
# of downloads :
269
Origin country :
IL IL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
45e9d8a0-96fc-4ba0-8f77-5ab2e4a4d818
Verdict:
Malicious activity
Analysis date:
2023-05-06 10:33:31 UTC
Tags:
trojan rat asyncrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed packed packed
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.
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
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 AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 860434 Sample: FFICEpdf.exe Startdate: 06/05/2023 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 11 other signatures 2->50 7 FFICEpdf.exe 1 5 2->7         started        11 Zibiklq.exe 2 2->11         started        13 Zibiklq.exe 1 2->13         started        process3 file4 34 C:\Users\user\AppData\Roaming\...\Zibiklq.exe, PE32 7->34 dropped 36 C:\Users\user\...\Zibiklq.exe:Zone.Identifier, ASCII 7->36 dropped 38 C:\Users\user\AppData\...\FFICEpdf.exe.log, ASCII 7->38 dropped 52 Encrypted powershell cmdline option found 7->52 54 Writes to foreign memory regions 7->54 56 Injects a PE file into a foreign processes 7->56 15 InstallUtil.exe 2 7->15         started        18 powershell.exe 16 7->18         started        58 Antivirus detection for dropped file 11->58 60 Multi AV Scanner detection for dropped file 11->60 62 Machine Learning detection for dropped file 11->62 20 powershell.exe 13 11->20         started        22 InstallUtil.exe 11->22         started        24 powershell.exe 13->24         started        26 InstallUtil.exe 13->26         started        signatures5 process6 dnsIp7 40 strekhost2030.duckdns.org 177.255.89.112, 4203, 49696 ColombiaMovilCO Colombia 15->40 42 windowsupdatebg.s.llnwi.net 15->42 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 24->32         started        process8
Threat name:
Win32.Backdoor.AsyncRAT
Status:
Suspicious
First seen:
2023-04-28 01:34:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat persistence rat
Behaviour
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
Unpacked files
SH256 hash:
ff8c24bce1eb009f0d5c47a09b96caf02726c285cea0d635082ad4da27e63d1b
MD5 hash:
9d6ec6072ee1814a4a01d1eb3fb67ba1
SHA1 hash:
d0b416de1c900b6bcb35dc182b2e8744f16c3289
SH256 hash:
fbc733ca93b310beb6bb07a09d34e8619b3358f41ee7192bacf868f04776a902
MD5 hash:
1d8dd9403802de001e056537da8e520b
SHA1 hash:
60e5a20b5ae92471317a2c7ba8deead10f40f4d1
Detections:
win_asyncrat_w0
SH256 hash:
a700eb5188ee871944d18213311b5d4cb7f8d241d180ef9ed9d304b137914a0b
MD5 hash:
2598d25bc499e7411a89a1e15153e856
SHA1 hash:
5b9908fa54b127087100080bdaa11b3544e100f2
SH256 hash:
ca1ae12ebc8f7e455c88b32a15584b2f0288b70ab55bce92fedc12097175ac7b
MD5 hash:
8fedc40edd6c61f05b12915fb67cf62c
SHA1 hash:
10527a4dac1f9af707f4170191bc682c6d6ad3c9
SH256 hash:
c198797761647a41cab0f6ef6eb899059d3f3a875e841e7a88164f29ccf2a5b7
MD5 hash:
b3f843bc2d8b46f4bc7e6a4fb9a2abbb
SHA1 hash:
3a7e809c91de7c73d57c11c55a4643bb1992986d
Please note that we are no longer able to provide a coverage score for Virus Total.

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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
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