MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb0a6c7b6af5e6969c975fb25740a6eea9e50b82613e356d7a7a4f80a8bbf030. 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: 16


Intelligence 16 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb0a6c7b6af5e6969c975fb25740a6eea9e50b82613e356d7a7a4f80a8bbf030
SHA3-384 hash: 427dba90f9f6b6f988f2080f3ffb7d05104259b4be23137ec483b80f310fb2fdedc1480240dbb842c3835174e533e985
SHA1 hash: e11b889ac81b11165559d93a8dddb8251dbe82ff
MD5 hash: c5e189d0285a89eb1462e48784fb86ef
humanhash: arkansas-river-seven-burger
File name:BOXLIST.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:802'304 bytes
First seen:2022-04-14 15:32:27 UTC
Last seen:2022-04-18 12:37:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'813 x AgentTesla, 19'735 x Formbook, 12'282 x SnakeKeylogger)
ssdeep 12288:iLz8NGNUVIRNCQnIiPEetI5girWm/U30hBiIhmsCzRBabCJ6QCf/tz:JF+bnVcyIeirWs8scOCz7abE6QCfV
Threatray 2'288 similar samples on MalwareBazaar
TLSH T1B105D011E24CDA5BE12A87F2842181057BB5772E2879CB067CB679EED5337C33912E4B
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 ce27232969230fcc (3 x RemcosRAT, 2 x AsyncRAT, 1 x AveMariaRAT)
Reporter GovCERT_CH
Tags:AgentTesla AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
358
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
BOXLIST.exe
Verdict:
Malicious activity
Analysis date:
2022-04-14 15:37:37 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/a18eefb8-6c7d-4708-86b9-1507a0a79419

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/263813/
Detection(s):
SecuriteInfo.com.Variant.Strictor.268191.8426.3206.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe strictor update.exe
Link:
https://www.filescan.io/uploads/62583ec3eab80a7a6c1409e9/reports/0cfaa955-7323-46dd-890b-07bdc5dba695/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ad895c0f-7b4a-4f61-931a-680b91368444
Result
Threat name:
AgentTesla AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/977026
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Bypasses PowerShell execution policy
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicious Script Execution From Temp Folder
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 609516 Sample: BOXLIST.exe Startdate: 14/04/2022 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 11 other signatures 2->64 10 BOXLIST.exe 7 2->10         started        process3 file4 38 C:\Users\user\AppData\...behaviorgraphIcIcwRXrRAlpu.exe, PE32 10->38 dropped 40 C:\...behaviorgraphIcIcwRXrRAlpu.exe:Zone.Identifier, ASCII 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmpC68F.tmp, XML 10->42 dropped 44 C:\Users\user\AppData\...\BOXLIST.exe.log, ASCII 10->44 dropped 70 Uses schtasks.exe or at.exe to add and modify task schedules 10->70 72 Adds a directory exclusion to Windows Defender 10->72 74 Injects a PE file into a foreign processes 10->74 14 BOXLIST.exe 1 4 10->14         started        18 powershell.exe 25 10->18         started        20 schtasks.exe 1 10->20         started        signatures5 process6 dnsIp7 48 exportmunic007.duckdns.org 31.210.20.52, 49770, 49772, 7707 PLUSSERVER-ASN1DE Netherlands 14->48 46 C:\Users\user\AppData\Local\Temp\nfrpxu.exe, PE32 14->46 dropped 22 cmd.exe 1 14->22         started        25 conhost.exe 18->25         started        27 conhost.exe 20->27         started        file8 process9 signatures10 66 Suspicious powershell command line found 22->66 68 Bypasses PowerShell execution policy 22->68 29 powershell.exe 11 22->29         started        31 conhost.exe 22->31         started        process11 process12 33 nfrpxu.exe 29->33         started        signatures13 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 33->50 52 Machine Learning detection for dropped file 33->52 54 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 33->54 56 Injects a PE file into a foreign processes 33->56 36 nfrpxu.exe 33->36         started        process14
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fb0a6c7b6af5e6969c975fb25740a6eea9e50b82613e356d7a7a4f80a8bbf030/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-14 13:29:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7mfgy63k6xtjnhexl6zfoqfg52u6kc4cme7dk3l2pjhybkf36aya._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
4da7d609cd15176301d44e89cf85b76cc5a75a7751dd2f11e622e6ba40eb57c2
AsyncRAT
558c3b5d571697ab604649130fd84d0396f116e2d2c2dbbceb57b55f21069717
AsyncRAT
763d2ce91937159318d0b38f99ac1e32312648e1ea552a91ec153002f5930a24
AsyncRAT
7cf3e4b3c86d7615a1b3df35f6b7c2bc6bf505323d89257058dfd4e657b4c158
AsyncRAT
936f549b7738e45378d604a4705b5f44266c1b48c735297bfbf13e409b297bfc
AsyncRAT
b0b1f27468552599b6e685345007b1fdbea80c2c60a914a01a6e0abdd35fcdf5
AsyncRAT
+ 2'278 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:asyncrat botnet:default keylogger rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220414-sy6mhadcap/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
AgentTesla Payload
Async RAT payload
AgentTesla
AsyncRat
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
Malware Config
C2 Extraction:
exportmunic007.duckdns.org:6606
exportmunic007.duckdns.org:7707
exportmunic007.duckdns.org:8808
Unpacked files
SH256 hash:
f5149be2901cf69a6d2d47b19d47b9f643a80930af4be2f1f9ce11fbbabaa453
MD5 hash:
2af603e58518e9997a0b0ecdcba0c3c2
SHA1 hash:
a52052870e6bed9fe09a5b61a323dcf71b17f7c4
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/f64cfdd6-f355-4d7d-ab22-876cd9b90b2b/
SH256 hash:
d2251409ff3d1f4f2cbf329de0de53f15edef48c12ea71e650d9993dfb97bab6
MD5 hash:
b00c23dc08f8ef7013e7ac3222b67560
SHA1 hash:
6d50b23cfcf68d6116027d6a5e95c427884b444d
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/f64cfdd6-f355-4d7d-ab22-876cd9b90b2b/
SH256 hash:
a4fde9112cd700cb962b5b2dd645c0cf1e73a69ac31364f89e834471d457445e
MD5 hash:
f2e019225f72954a8dd978b630b371d2
SHA1 hash:
e27eded0bc0892829e7097958d1e5667810c91aa
Link:
https://www.unpac.me/results/f64cfdd6-f355-4d7d-ab22-876cd9b90b2b/
SH256 hash:
c14ea4bdd27d729f044bf4e83e0bdb1e1cfcc92c987036fdbc439283c1022211
MD5 hash:
0587f7540c5eefae2bb042a11ff155d5
SHA1 hash:
24ca734b95fe93790c053f748791de56e66ebc1e
Link:
https://www.unpac.me/results/f64cfdd6-f355-4d7d-ab22-876cd9b90b2b/
SH256 hash:
fb0a6c7b6af5e6969c975fb25740a6eea9e50b82613e356d7a7a4f80a8bbf030
MD5 hash:
c5e189d0285a89eb1462e48784fb86ef
SHA1 hash:
e11b889ac81b11165559d93a8dddb8251dbe82ff
Link:
https://www.unpac.me/results/f64cfdd6-f355-4d7d-ab22-876cd9b90b2b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fb0a6c7b6af5e6969c975fb25740a6eea9e50b82613e356d7a7a4f80a8bbf030

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_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
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_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
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.

Malspam

AsyncRAT

Executable exe fb0a6c7b6af5e6969c975fb25740a6eea9e50b82613e356d7a7a4f80a8bbf030

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/263813/

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