Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system -
submitted
24/02/2024, 05:15
Static task
static1
Behavioral task
behavioral1
Sample
a1085a753e362204ea4ea3cd9f761b28.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a1085a753e362204ea4ea3cd9f761b28.exe
Resource
win10v2004-20240221-en
General
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Target
a1085a753e362204ea4ea3cd9f761b28.exe
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Size
40KB
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MD5
a1085a753e362204ea4ea3cd9f761b28
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SHA1
dec4564dc7a0b400a8a18344bc89286d1daa9058
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SHA256
dde758045ee6a777b28266ecfd1fdfac1554a09b01a68892aa22657cdb34df05
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SHA512
734336856375e8c72a577f22a0ce4a940a6cdc58a272dad895211a1046a3ff1c36e349ba6fc2ce75913bf8dafcafd45ab11f0b5c390c9fed26f30c15ba5a85a0
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SSDEEP
768:aq9m/ZsybSg2ts4L3RLc/qjhsKmHbk1+qJ0UtHM:aqk/Zdic/qjh8w19JDHM
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 452 services.exe -
resource yara_rule behavioral2/files/0x00070000000231f2-4.dat upx behavioral2/memory/452-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-13-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-17-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-93-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-154-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-155-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-158-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-162-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-217-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/452-261-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" a1085a753e362204ea4ea3cd9f761b28.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe a1085a753e362204ea4ea3cd9f761b28.exe File created C:\Windows\java.exe a1085a753e362204ea4ea3cd9f761b28.exe File created C:\Windows\services.exe a1085a753e362204ea4ea3cd9f761b28.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2580 wrote to memory of 452 2580 a1085a753e362204ea4ea3cd9f761b28.exe 89 PID 2580 wrote to memory of 452 2580 a1085a753e362204ea4ea3cd9f761b28.exe 89 PID 2580 wrote to memory of 452 2580 a1085a753e362204ea4ea3cd9f761b28.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\a1085a753e362204ea4ea3cd9f761b28.exe"C:\Users\Admin\AppData\Local\Temp\a1085a753e362204ea4ea3cd9f761b28.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2580 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:452
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
312B
MD5c15952329e9cd008b41f979b6c76b9a2
SHA153c58cc742b5a0273df8d01ba2779a979c1ff967
SHA2565d065a88f9a1fb565c2d70e87148d469dd9dcbbefea4ccc8c181745eda748ab7
SHA5126aecdd949abcd2cb54e2fe3e1171ee47c247aa3980a0847b9934f506ef9b2d3180831adf6554c68b0621f9f9f3cd88767ef9487bc6e51cecd6a8857099a7b296
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Filesize
315B
MD514b82aec966e8e370a28053db081f4e9
SHA1a0f30ebbdb4c69947d3bd41fa63ec4929dddd649
SHA256202eada95ef503b303a05caf5a666f538236c7e697f5301fd178d994fa6e24cf
SHA512ec04f1d86137dc4d75a47ba47bb2f2c912115372fa000cf986d13a04121aae9974011aa716c7da3893114e0d5d0e2fb680a6c2fd40a1f93f0e0bfd6fd625dfa7
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
40KB
MD59f63801a7338c784ac53c67cc8a48e05
SHA1db34ab8c930d4851ec83e0b1156dc22a2ea7b2f9
SHA256d63d99b9f701d204eb9eabd2ce1447696fa6e37587bd36baf200cf92b262b115
SHA5122607919eaeecf8c6a3f8bea50b8e9eeef57d4fbbaa8f6d2303a45a010ce2207e55e67cf9ee016045f1272c8f4c4bfc1a31e3927d0af9f18e180ca8734324c835
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Filesize
1KB
MD535f27fc294ecfe628717db4eaaffbed9
SHA18ab567207738f6458e77e477f670c352136f5d82
SHA2566d8ac6070ed34e4529c2d9ff733243c5d6c9ff48cd1be68d0761422fb853be8e
SHA5128fe2b23db6d7c49a9ee64571d0ff3957093d4073cbfe74d020e8a0e159c78fb0b2a7edbd050ec7b3a9c7f58a11dc5fb476c3c3a0ae3200919b5108af6b6e310a
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Filesize
1KB
MD55d7b40a2f65d2b222602c5314ac9d8dd
SHA1aecc55acdc404519da19233666358d6bd93424be
SHA256cd47a8503a563c7a099b61aeb4fc6d0159266fb11778d1515c7d6d428aa74394
SHA5126c2a51856e990be6c33f52c120a88aa8837201ee3d575041c4fdd67e8a100f0e40cca6e65571be4717d7d2b59596cb961e0d6689988a28649b0501d95778ba71
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Filesize
1KB
MD5c2b80d036ad404c8a8ca4ac3953d5318
SHA12b107aed714ef3354cab08dc5e91880767a365aa
SHA256efe4ca88c16bf4faec13b3709b211ea1a057b51ff411698683c46c7accf133c7
SHA512d8bec4d31b4f557a5a75d65afbdd1f15240f74429df426e47a802f26a31ba54981c950d28d40b4b6c7b70fe1de09e1385d8ce8b98362fb7ba84df4873097a6fc
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2