Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
12/07/2026, 05:06
General
- Target PostmanUpdate.exe
- Size 67KB
- Sample260712-frxpsscz7j
- SHA256 0a687ecb5e476930d38edc9d64b7fab4422a6a85d5bd119ff7f92c8fb8025535
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
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ga179.city:6606
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ga179.city:7707
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ga179.city:8808
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ga179.city:443
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ga179.city:80
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HOUrE6SxA2tQ
-
delay
10
-
install
true
-
install_file
PostmanUpdate.exe
-
install_folder
%AppData%
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Async RAT payload 1 IoCs
- Executes dropped EXE 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Delays execution with timeout.exe 1 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 29 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\PostmanUpdate.exe"C:\Users\Admin\AppData\Local\Temp\PostmanUpdate.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "PostmanUpdate" /tr '"C:\Users\Admin\AppData\Roaming\PostmanUpdate.exe"' & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "PostmanUpdate" /tr '"C:\Users\Admin\AppData\Roaming\PostmanUpdate.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1FE2.tmp.bat""2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\PostmanUpdate.exe"C:\Users\Admin\AppData\Roaming\PostmanUpdate.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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-
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C:\Users\Admin\AppData\Roaming\PostmanUpdate.exe"C:\Users\Admin\AppData\Roaming\PostmanUpdate.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tmp1FE2.tmp.bat
PostmanUpdate.exe
memory/3284-0-0x00000000751E2000-0x00000000751E3000-memory.dmp
memory/3284-1-0x0000000000400000-0x0000000000416000-memory.dmp
memory/3284-2-0x00000000751E2000-0x00000000751E3000-memory.dmp
memory/3284-3-0x00000000751D0000-0x000000007598C000-memory.dmp
memory/3284-4-0x0000000004E00000-0x0000000004E9C000-memory.dmp
memory/3284-10-0x00000000751D0000-0x000000007598C000-memory.dmp
memory/5700-13-0x00000000751D0000-0x000000007598C000-memory.dmp
memory/5700-15-0x00000000751D0000-0x000000007598C000-memory.dmp