Analysis
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max time kernel
38s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
07-11-2022 15:25
Static task
static1
Behavioral task
behavioral1
Sample
a003c0b85a7c5bc5260d6721ef327bd7286b7cffbd1b55f9177704288d1fe3d7.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a003c0b85a7c5bc5260d6721ef327bd7286b7cffbd1b55f9177704288d1fe3d7.exe
Resource
win10v2004-20220812-en
General
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Target
a003c0b85a7c5bc5260d6721ef327bd7286b7cffbd1b55f9177704288d1fe3d7.exe
-
Size
120KB
-
MD5
0c30299f070b98521e26e54d2f57dd47
-
SHA1
1515ff627324d11a33fd3215d8a98b9271706e58
-
SHA256
a003c0b85a7c5bc5260d6721ef327bd7286b7cffbd1b55f9177704288d1fe3d7
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SHA512
81c4538a683f85e05bb1970a7fedd3ce27079de0b1d13b370a05be45f96e93a15f3a5efe4530b981bd166883a6bfe96eae6a5a39a40d5be6ddd45c58f90d5743
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SSDEEP
1536:pWGxs9kGdYk8wO4Cnt8RUyho+CHnjXIRXMMGBkyJMjZROYJT3bQghxHCZ:gGfGdYSCnNyho+mnsRcaC
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 1092 Winknh.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Winknh.exe a003c0b85a7c5bc5260d6721ef327bd7286b7cffbd1b55f9177704288d1fe3d7.exe File created C:\Windows\SysWOW64\Winknh.exe a003c0b85a7c5bc5260d6721ef327bd7286b7cffbd1b55f9177704288d1fe3d7.exe File opened for modification C:\Windows\SysWOW64\Winknh.exe Winknh.exe File created C:\Windows\SysWOW64\Winknh.exe Winknh.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeTcbPrivilege 1636 a003c0b85a7c5bc5260d6721ef327bd7286b7cffbd1b55f9177704288d1fe3d7.exe Token: SeTcbPrivilege 1092 Winknh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a003c0b85a7c5bc5260d6721ef327bd7286b7cffbd1b55f9177704288d1fe3d7.exe"C:\Users\Admin\AppData\Local\Temp\a003c0b85a7c5bc5260d6721ef327bd7286b7cffbd1b55f9177704288d1fe3d7.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:1636
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C:\Windows\SysWOW64\Winknh.exeC:\Windows\SysWOW64\Winknh.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:1092
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
-
Filesize
93KB
MD5a1ecccdd5c67361480fcd12bfc73c7fd
SHA1c17046b70943cdf7fbd8e8a86488185a6f858c94
SHA2566195e9519abae8cee05d5640ddf197762b8266770195506cbfd27ac8c476b269
SHA51233cf9814289deec895c3bee0fa051911e0c5622d4a6599e8cc5795d00c877f31b49f5561a645fe264e647bc82e299ac0b5171b6c578406c4f6ca8558ddf4279c
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Filesize
93KB
MD5a1ecccdd5c67361480fcd12bfc73c7fd
SHA1c17046b70943cdf7fbd8e8a86488185a6f858c94
SHA2566195e9519abae8cee05d5640ddf197762b8266770195506cbfd27ac8c476b269
SHA51233cf9814289deec895c3bee0fa051911e0c5622d4a6599e8cc5795d00c877f31b49f5561a645fe264e647bc82e299ac0b5171b6c578406c4f6ca8558ddf4279c