Analysis
- max time kernel
150s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/08/2026, 11:32
Behavioral task
behavioral1
Sample
1a1566008f81532a135ddcf4ffdeece923f6a9d0da9c49172017b770e8ba7b00.exe
Resource
win10v2004-20260513-en
5 signatures
150 seconds
General
- Target 1a1566008f81532a135ddcf4ffdeece923f6a9d0da9c49172017b770e8ba7b00.exe
- Size 14.4MB
- Sample260822-nnh18sysaw
- SHA256 1a1566008f81532a135ddcf4ffdeece923f6a9d0da9c49172017b770e8ba7b00
- MD5 6f6c4aebebe7b1c999f126b93e696e13
- SHA1 8f52ada831f1f173ae438b1cdc39749fc9f5e0e3
- SHA512 5417f5ea060d385725977108ef2b6feecb5eed4961526ac990c2cb5418b3ee6f956627f90ea120c39802a64ab144cf204c92b10ef2a06d6c0eab9c799d4a7354
- SSDEEP 196608:KFPpIOQJvP9HuEdOvFrP66RwIjMKJeQHSdmUY8PbjYv9GxX0ilbHotwVPjqb6CrC:K1iISK5sT1zuDC+TZsw9o
- TLSH T17BE6BF3ED3C0327BC6526292A1566556B6FD843DB306F2B1546CC82C22F74AEC17B8F9
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3744 1a1566008f81532a135ddcf4ffdeece923f6a9d0da9c49172017b770e8ba7b00.tmp - System Location Discovery: System Language Discovery 1 TTPs 2 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 1a1566008f81532a135ddcf4ffdeece923f6a9d0da9c49172017b770e8ba7b00.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1a1566008f81532a135ddcf4ffdeece923f6a9d0da9c49172017b770e8ba7b00.tmp - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/1960-0-0x00000000003E0000-0x00000000004F4000-memory.dmp innosetup behavioral2/memory/1960-8-0x00000000003E0000-0x00000000004F4000-memory.dmp innosetup - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3744 1a1566008f81532a135ddcf4ffdeece923f6a9d0da9c49172017b770e8ba7b00.tmp - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1960 wrote to memory of 3744 1960 1a1566008f81532a135ddcf4ffdeece923f6a9d0da9c49172017b770e8ba7b00.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\1a1566008f81532a135ddcf4ffdeece923f6a9d0da9c49172017b770e8ba7b00.exe"C:\Users\Admin\AppData\Local\Temp\1a1566008f81532a135ddcf4ffdeece923f6a9d0da9c49172017b770e8ba7b00.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Users\Admin\AppData\Local\Temp\is-16HFD0IMXF.tmp\1a1566008f81532a135ddcf4ffdeece923f6a9d0da9c49172017b770e8ba7b00.tmp"C:\Users\Admin\AppData\Local\Temp\is-16HFD0IMXF.tmp\1a1566008f81532a135ddcf4ffdeece923f6a9d0da9c49172017b770e8ba7b00.tmp" /SL5="$40196,10566170,1071616,C:\Users\Admin\AppData\Local\Temp\1a1566008f81532a135ddcf4ffdeece923f6a9d0da9c49172017b770e8ba7b00.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3744
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-16HFD0IMXF.tmp\1a1566008f81532a135ddcf4ffdeece923f6a9d0da9c49172017b770e8ba7b00.tmp
- Size 4.9MB
- SHA256 cf5d0350fba5823422f47db4c9ab1f28ca63b6f24b66b657ad68a0c9b6c41fbd
- MD5 f745e8764328804f1b8668af04531521
- SHA1 3d4e39df1c2c8f40192a358b2e49da2b30932f02
- SHA512 9bd32e50c2e1a2a9e780226117b56fc5db3a4637718f7c02ebf1fc4918f4006e1c89d0bb0bb46349f83d00e09b6287ff2599c5ad51062b7071e94d50043092ee
- SSDEEP 98304:VvdHRh7Vhv2Wn+FYGa7xP2gRQJhk0dC333g1H:XHLn+eHNt0k0d/F
- TLSH T17E369E23B384A53ED4671E3A687FA649593FBA203A16CC476BF40D5C4F396402D3A787
- MD5 SHA1 SHA512 SSDEEP TLSH