MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5faa494e1e698ef433f8e33432dec4269c5cb8a4a388174a3bc25b12ca1edc5. 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: 13


Intelligence 13 IOCs YARA 20 File information Comments
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SHA256 hash: e5faa494e1e698ef433f8e33432dec4269c5cb8a4a388174a3bc25b12ca1edc5
SHA3-384 hash: a3281aab8a462c747e99e79ff549b4fe3e8ef9c1e32976c52af4aca7e419af4e8b0ae6690d4de04d346b8092a5853c53
SHA1 hash: 40d889fb5771c4d2cbb7e9350e1dc00b3aff9036
MD5 hash: 8290fc4dcabdfe9397b5cb7f69d38ee9
humanhash: hotel-alabama-jig-cup
File name:5Refference Slip.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:1'047'040 bytes
First seen:2022-09-10 19:35:00 UTC
Last seen:2022-09-10 19:35:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:VqWjsZ5uErgPwpmzoRtbvRT71gym13Rmv1x1vp8KfKkzvrdlylSx1uO6pinHm/3X:V/W5Ztmzo3bvjgyEBMrrF
TLSH T170254B9C759472FEC867C675DAA81CB8EA92347B870F4207955302ACDE8C987EF150B3
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)
Reporter 0xToxin
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
485
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
5Refference Slip.exe
Verdict:
Malicious activity
Analysis date:
2022-09-10 19:36:24 UTC
Tags:
stealer asyncrat evasion
Link:
https://app.any.run/tasks/2c12045b-13b4-421d-aa25-b6264531e224

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/309170/
Detection(s):
SecuriteInfo.com.Trojan.Siggen18.45572.1604.23646.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/631ce75ff7a861bd921ef485/reports/ac7f36a1-3293-4e28-bed8-f1acfdbed076/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/bb4dc2a3-5e59-49a8-abbd-cff8d7c435f6
Result
Threat name:
AsyncRAT, StormKitty
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1068259
Signature
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Found many strings related to Crypto-Wallets (likely being stolen)
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)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e5faa494e1e698ef433f8e33432dec4269c5cb8a4a388174a3bc25b12ca1edc5/
Threat name:
ByteCode-MSIL.Trojan.RealProtect
Create hunting rule
Status:
Malicious
First seen:
2022-09-10 02:57:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4x5kjfhb42mo6qz7ryzuglpmiju4ls4kji4ic5fdxqs3clfb5xcq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Result
Malware family:
stormkitty
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:stormkitty botnet:default rat spyware stealer
Link:
https://tria.ge/reports/220910-yamsdaaef5/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Drops desktop.ini file(s)
Looks up external IP address via web service
Looks up geolocation information via web service
Checks computer location settings
Reads user/profile data of web browsers
Async RAT payload
AsyncRat
StormKitty
StormKitty payload
Malware Config
C2 Extraction:
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
https://api.telegram.org/bot5261540771:AAHpybxDtEnwQtX4w7iGcSpo7-vbVF4FJuk/sendMessage?chat_id=5130831629
Unpacked files
SH256 hash:
8978ea7823fc76578f73e4363bec7a6bc2c52d26a9a67d794a1b684344ec08da
MD5 hash:
c86119051d4cf53431c19d5ca00e07ca
SHA1 hash:
ae4b6fe00f3716c8f3b90a87075433c8c47d41b4
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/8126f304-8e7d-407c-86ba-b4eab178f3aa/
Parent samples :
b8f409e32caf95736c07d32de5f049382734eac7b5f5391fc270449d69ee94a3
e5faa494e1e698ef433f8e33432dec4269c5cb8a4a388174a3bc25b12ca1edc5
SH256 hash:
85f2f33c3770869f8243fd4c47a1e2b30032665f45a9b0c8f5a87ef119225865
MD5 hash:
d4bf0179ab2896c7c76c2fbe3233dad4
SHA1 hash:
a800a7e097587839b122d40489d435029a7f8060
Link:
https://www.unpac.me/results/8126f304-8e7d-407c-86ba-b4eab178f3aa/
SH256 hash:
4f80ddfe49b270f801ab44aa899153bbe2a0fb93abed0f9fc992f74ff6ab4fde
MD5 hash:
f4ba8570299eabf8fe2d02cc1dc0606a
SHA1 hash:
5d7add32313074f5a1e9b4ab379298dee8b6217e
Link:
https://www.unpac.me/results/8126f304-8e7d-407c-86ba-b4eab178f3aa/
SH256 hash:
51cd11494ac171698a3d5cf10674a77ceef003db5c39c0ff1fbbb396fab07a10
MD5 hash:
ad1480036bedc9d43382f7c3d611eff0
SHA1 hash:
8970d2fc1e766949aadf4ba0e2ad0591203462bb
Link:
https://www.unpac.me/results/8126f304-8e7d-407c-86ba-b4eab178f3aa/
SH256 hash:
e5faa494e1e698ef433f8e33432dec4269c5cb8a4a388174a3bc25b12ca1edc5
MD5 hash:
8290fc4dcabdfe9397b5cb7f69d38ee9
SHA1 hash:
40d889fb5771c4d2cbb7e9350e1dc00b3aff9036
Link:
https://www.unpac.me/results/8126f304-8e7d-407c-86ba-b4eab178f3aa/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e5faa494e1e6/report/overview.html
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/e5faa494e1e698ef433f8e33432dec4269c5cb8a4a388174a3bc25b12ca1edc5

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: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_CC_Regex
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_Discord_Regex
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Discord tokens regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
Create hunting rule
Author:ditekSHen
Description:Detects executables containing URLs to raw contents of a Github gist
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_VPN
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many VPN software clients. Observed in infosteslers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WirelessNetReccon
Create hunting rule
Author:ditekSHen
Description:Detects executables with interest in wireless interface using netsh
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MALWARE_Win_StormKitty
Create hunting rule
Author:ditekSHen
Description:Detects StormKitty infostealer
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_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
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/309170/

Comments