Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/09/2026, 22:40
Static task
static1
Behavioral task
behavioral1
Sample
Size label (Heat Transfer) style 1178875.xlsx.js
Resource
win10v2004-20260911-en
12 signatures
150 seconds
General
- Target Size label (Heat Transfer) style 1178875.xlsx.js
- Size 2.6MB
- Sample260930-2ln2csy17p
- SHA256 7efba299adeb2b2bd73ce0f2542e30e36b5719d13c54011b4b3959efd5699952
- MD5 5686f2c6feebceaedd7ecd26d27039ff
- SHA1 772ce9785cf65c355049ed592e6a8e2dde6f187e
- SHA512 bfab1ebb4beabd80b7614b8308d0b3f48f609169d9528becb1b2029e16250940df1ec5cefefd2856319fb1185183a7754dd19a41fc7d6f07c385cad7014f2b1f
- SSDEEP 49152:jMpjI9yj2yCV+ouX+0r8npvQX/mtYeR+ylS5jk4ubWFn7jZ1P:jMpjJjRCV+/nr8np+mSeR+ylAF7jZ1P
- TLSH T168C539010D87D26AF2F8051D9429BAE5CE19F60BB570BA39BDB859BB5B4CE07331F160
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
asyncrat
Version
-
0.5.8
Botnet
-
Default
C2
-
217.60.76.250:6606
-
217.60.76.250:7707
-
217.60.76.250:8808
Mutex
-
ZcMyazpufH2A
Attributes
-
delay
3
-
install
false
-
install_folder
%AppData%
aes.plain
Signatures
- Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound 2 IoCs
Network activity triggered a Suricata alert
flow pid Process 1 4320 UIUEPBXLWCBXZTKG.exe 1 4320 UIUEPBXLWCBXZTKG.exe - Async RAT payload 1 IoCs
resource yara_rule behavioral2/memory/4320-1209-0x0000000027220000-0x0000000027232000-memory.dmp family_asyncrat - Executes dropped EXE 1 IoCs
pid Process 4320 UIUEPBXLWCBXZTKG.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 2 IoCs
pid Process 4320 UIUEPBXLWCBXZTKG.exe 4320 UIUEPBXLWCBXZTKG.exe - Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname UIUEPBXLWCBXZTKG.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain UIUEPBXLWCBXZTKG.exe - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language UIUEPBXLWCBXZTKG.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ wscript.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d3162b92-9365-467a-956b-92703aca08af}\Instance\ wscript.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4320 UIUEPBXLWCBXZTKG.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5096 wrote to memory of 4320 5096 wscript.exe 91
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\Size label (Heat Transfer) style 1178875.xlsx.js"1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:5096 -
C:\Users\Admin\Documents\UIUEPBXLWCBXZTKG.exe"C:\Users\Admin\Documents\UIUEPBXLWCBXZTKG.exe" C:\Users\Admin\Documents\GKTZXBCWLXBPEUIU2⤵
- Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4320
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:3180
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\Documents\GKTZXBCWLXBPEUIU
- Size 289KB
- SHA256 b0a6c8248657822ee8d59c4384f1925cbaccbd873a15743a671f074849ed64bc
- MD5 02e077b754c021c8fa1d9d0ed2fc708b
- SHA1 4e21c8ae974bceb582e88c3b2e572caef382546d
- SHA512 ce55aacd023f6ed77cc7a900cfe5e4a75c2cda0243c222d592da6b365b27b633289db847edfabc26bf5ff31d70d067e66af6a1fddbd579572b0558a7bb3a41a5
- SSDEEP 3072:rEj2GjfPysHIthli2JcLBn+eFjntU9dQyYB0kcjFpA:QKGj3ysHIxi2JcV+AtqTA
- TLSH T18654EA8BB5C6199866E242F0CCAF9DC734F5D4ED0B0F06430F98D495A6207BCD9E993A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\Documents\UIUEPBXLWCBXZTKG.exe
- Size 499KB
- SHA256 d447a06cba8d3dbe80e09d73dd64576836b258961ee0d3ba56cf26cea7962b49
- MD5 7675b38aabebc8427171447edd484b5b
- SHA1 145c72f8acdcd366869f955dffd000d3bc146b6e
- SHA512 bc9bddbee59f165742a3203f9e2ba9de409e66de6334cb352cded84cce3e1074dbd0ac17b29e58c8729906848b64d1486fb8c848ca15422127b2baeb4c5e5dbe
- SSDEEP 12288:HW7YOPcqPqvopYJNWGIbK8AJYlqWuSr7B/Uj:HW7RPcqPqvopYJYK8AyldpUj
- TLSH T176B43AC4BACB08F1E2A355B0C49BDB7F96349A050022D5BAFF5CBD59EC33746092725A
- MD5 SHA1 SHA512 SSDEEP TLSH