Analysis
- max time kernel
60s - max time network
64s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/07/2026, 19:49
Behavioral task
behavioral1
Sample
effa0462339b3b02347dd6714af20c71f99acf4b09c65abef3be20ebce8fce6d.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
effa0462339b3b02347dd6714af20c71f99acf4b09c65abef3be20ebce8fce6d.exe
Resource
win11ltsc2024-20260709-en
General
- Target effa0462339b3b02347dd6714af20c71f99acf4b09c65abef3be20ebce8fce6d.exe
- Size 79KB
- Sample260729-yjp9vseq5t
- SHA256 effa0462339b3b02347dd6714af20c71f99acf4b09c65abef3be20ebce8fce6d
- MD5 d04d216842a56a43e4addacfd751f2d8
- SHA1 38c244e7ef2a3f7624afd7cfc9d7182e20f7153d
- SHA512 ab8e44bede325b9891828ffa5a79d2d8c880660b6417a352ba0433eeb6a89e518e664df30a93e7a7f409e0cd42da0efad96f9505d22774704d67092957e9d1c9
- SSDEEP 1536:2u2T1T1y22HzxSS5e3gQp3bBHSK+odXFwevI9C0:2u2RT1y22V3eQQp3bBtBeJC0
- TLSH T198835C003BECC12BE26E5F785DE19645467FF6632A02D54A1DC0568F0623FCAE9426FE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
biomolecular-archaeology.com:6606
-
biomolecular-archaeology.com:7707
-
biomolecular-archaeology.com:8808
-
biomolecular-archaeology.com:80
-
biomolecular-archaeology.com:443
-
DTTp2o9QaubH
-
delay
10
-
install
true
-
install_file
biomolecular-archaeology.com.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x0003000000000438-12.dat family_asyncrat - Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4500 cmd.exe 4240 cmd.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 effa0462339b3b02347dd6714af20c71f99acf4b09c65abef3be20ebce8fce6d.exe - Delays execution with timeout.exe 1 IoCs
pid Process 5820 timeout.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5648 schtasks.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\effa0462339b3b02347dd6714af20c71f99acf4b09c65abef3be20ebce8fce6d.exe"C:\Users\Admin\AppData\Local\Temp\effa0462339b3b02347dd6714af20c71f99acf4b09c65abef3be20ebce8fce6d.exe"1⤵
- System Location Discovery: System Language Discovery
PID:5112 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "biomolecular-archaeology.com" /tr '"C:\Users\Admin\AppData\Roaming\biomolecular-archaeology.com.exe"' & exit2⤵
- Executes a command shell one-liner
PID:4500 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "biomolecular-archaeology.com" /tr '"C:\Users\Admin\AppData\Roaming\biomolecular-archaeology.com.exe"'3⤵
- Scheduled Task/Job: Scheduled Task
PID:5648
-
-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6CD9.tmp.bat""2⤵
- Executes a command shell one-liner
PID:4240 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:5820
-
-
C:\Users\Admin\AppData\Roaming\biomolecular-archaeology.com.exe"C:\Users\Admin\AppData\Roaming\biomolecular-archaeology.com.exe"3⤵PID:3952
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-
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C:\Users\Admin\AppData\Roaming\biomolecular-archaeology.com.exe"C:\Users\Admin\AppData\Roaming\biomolecular-archaeology.com.exe"1⤵PID:3900
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp6CD9.tmp.bat
- Size 172B
- SHA256 a27b3d0900d21744617f54e5bdc1fa47fd4ac3c65cc1e4aacdd0df772c8a6177
- MD5 cf0bdc6da0ac1e589f44d08b1591f88b
- SHA1 e425dd6448e2ea37b403aee273f7194cf43d9d48
- SHA512 0e0b4acb90f62d3282cfa644ecff3aeb6c6adea197367ec12f91a531ae28445437d60931e4d18431ac492258d7d30920730cb62387915e78a2ec18afb2234b9f
- TLSH T1EFC0C04101C5AD8F3C0150C302B7C58C40716C053FC0AB00C304400D128044CE0C83C6
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\biomolecular-archaeology.com.exe
- Size 79KB
- SHA256 effa0462339b3b02347dd6714af20c71f99acf4b09c65abef3be20ebce8fce6d
- MD5 d04d216842a56a43e4addacfd751f2d8
- SHA1 38c244e7ef2a3f7624afd7cfc9d7182e20f7153d
- SHA512 ab8e44bede325b9891828ffa5a79d2d8c880660b6417a352ba0433eeb6a89e518e664df30a93e7a7f409e0cd42da0efad96f9505d22774704d67092957e9d1c9
- SSDEEP 1536:2u2T1T1y22HzxSS5e3gQp3bBHSK+odXFwevI9C0:2u2RT1y22V3eQQp3bBtBeJC0
- TLSH T198835C003BECC12BE26E5F785DE19645467FF6632A02D54A1DC0568F0623FCAE9426FE
- MD5 SHA1 SHA512 SSDEEP TLSH