Analysis
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max time kernel
120s -
max time network
116s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09/11/2024, 15:27
Behavioral task
behavioral1
Sample
9f493971273c0708276e77741b4910271e6f7debac0cbda96aa52322882bbabaN.exe
Resource
win7-20240903-en
General
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Target
9f493971273c0708276e77741b4910271e6f7debac0cbda96aa52322882bbabaN.exe
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Size
74KB
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MD5
1a8ce19da843273eac62a632642f6bd0
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SHA1
484d1690e38db680ef9eb24932528e9e631881d9
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SHA256
9f493971273c0708276e77741b4910271e6f7debac0cbda96aa52322882bbaba
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SHA512
79b4093e9c69200922010633275f231d5e849cbc942ddb6c72f17ad69320ec037d2d19ebf9ee7b989b483c7e82109c06aba779dabf9b6d9b0f022c25a9903809
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SSDEEP
1536:6JYoP+dNx7XLZJ2xUFZcufuoDKTPE1U4lXA:6HKbfRe
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation 9f493971273c0708276e77741b4910271e6f7debac0cbda96aa52322882bbabaN.exe -
Executes dropped EXE 1 IoCs
pid Process 820 tjio.exe -
resource yara_rule behavioral2/memory/3868-0-0x0000000000400000-0x000000000040D000-memory.dmp upx behavioral2/files/0x000c000000023b4f-13.dat upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 9f493971273c0708276e77741b4910271e6f7debac0cbda96aa52322882bbabaN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tjio.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3868 wrote to memory of 820 3868 9f493971273c0708276e77741b4910271e6f7debac0cbda96aa52322882bbabaN.exe 84 PID 3868 wrote to memory of 820 3868 9f493971273c0708276e77741b4910271e6f7debac0cbda96aa52322882bbabaN.exe 84 PID 3868 wrote to memory of 820 3868 9f493971273c0708276e77741b4910271e6f7debac0cbda96aa52322882bbabaN.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\9f493971273c0708276e77741b4910271e6f7debac0cbda96aa52322882bbabaN.exe"C:\Users\Admin\AppData\Local\Temp\9f493971273c0708276e77741b4910271e6f7debac0cbda96aa52322882bbabaN.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3868 -
C:\Users\Admin\AppData\Local\Temp\tjio.exe"C:\Users\Admin\AppData\Local\Temp\tjio.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:820
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
74KB
MD5e5aa9bf1b9d21c79da1f4f7c7b010530
SHA175964ee65e1be400e2de795b203598990132a243
SHA25627d9dd328e0c3e468b526bd4f984b30b1a0d35a855792115575afa231bd1ddf8
SHA512f305b27b899232372cb8c42956651e5a21f7c88a0d974c256464b65fd8de2fbfa30eeeb786221143c0bd7ac1fa94137df7f5acda0598b16ca8ba85fbc5850ac7