Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-12-2023 11:36
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1b48e40cda3744429f11e3674b9152bb.exe
Resource
win7-20231129-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
1b48e40cda3744429f11e3674b9152bb.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
1b48e40cda3744429f11e3674b9152bb.exe
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Size
96KB
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MD5
1b48e40cda3744429f11e3674b9152bb
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SHA1
e682c74470a646c3bd5722ba540959ac575f81a8
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SHA256
26a031938693f74ada748df448e7f7cc291f21b42b91262ea8cd6c28dc180967
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SHA512
671e2689149af37a8167749546379d5a161ed69d767000afd6751d874e92316f82477a3f6bbd0217e60c9b4b50cb88c8423a7f35c76890a256987902f63ce7e5
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SSDEEP
1536:kceSb998Q89H1UbLSLnxpwFJ0T72mocT:Bj4nIFJ0T72mBT
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 1b48e40cda3744429f11e3674b9152bb.exe Set value (int) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ktheaw.exe -
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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation 1b48e40cda3744429f11e3674b9152bb.exe -
Executes dropped EXE 1 IoCs
pid Process 2896 ktheaw.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /z" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /f" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /d" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /o" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /b" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /q" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /u" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /r" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /x" 1b48e40cda3744429f11e3674b9152bb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /k" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /x" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /j" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /a" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /i" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /h" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /l" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /e" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /g" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /y" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /s" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /m" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /t" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /c" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /p" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /w" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /n" ktheaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktheaw = "C:\\Users\\Admin\\ktheaw.exe /v" ktheaw.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5116 1b48e40cda3744429f11e3674b9152bb.exe 5116 1b48e40cda3744429f11e3674b9152bb.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe 2896 ktheaw.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5116 1b48e40cda3744429f11e3674b9152bb.exe 2896 ktheaw.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5116 wrote to memory of 2896 5116 1b48e40cda3744429f11e3674b9152bb.exe 90 PID 5116 wrote to memory of 2896 5116 1b48e40cda3744429f11e3674b9152bb.exe 90 PID 5116 wrote to memory of 2896 5116 1b48e40cda3744429f11e3674b9152bb.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\1b48e40cda3744429f11e3674b9152bb.exe"C:\Users\Admin\AppData\Local\Temp\1b48e40cda3744429f11e3674b9152bb.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5116 -
C:\Users\Admin\ktheaw.exe"C:\Users\Admin\ktheaw.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2896
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
96KB
MD52ef8d54bc84a6d20cfd3dcce324e6961
SHA11990db7a217c4b1712d1f67d5b1601f16a4f4ac3
SHA256ff37a3f48bdea530109734f4b6acf0e91c451a2534c160e63076f298b1507997
SHA51242cce2f40a1542c2ac26106892663aeb7f7c164b76521383e5e7fe98fc35c18cec1af76c6fb66ab834df5814d9f7987089b308cc367037ec44af0f2f35f2096b
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Filesize
72KB
MD5f5499a0628267df34c763d56a60bf398
SHA1404bbde9e69cbf69bb5c1c118c11281ac6c6a65d
SHA2562fe62baab1f4d806280f07a0f12e168f2cd9ef74db146ba9c53b83f6dee5e510
SHA512abb91aad61aa75c35aca1024d2351a32e3926f197dc1f155ca4586cb2047b54a58b7fcd8d5484378913ccfbc14a3331778568dd5c27b659b072629f88a63f1d7