6200b9f3a7cc9f5f3212c8bd0db0120178e7d4976adbb1ff4c98bcc5511ef079

Analysis

max time kernel
16s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
01-11-2024 17:42

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General

Target

Oto-Tu-V3.1.exe
Size

84.2MB
MD5

c8ddf58b4eaf97e376240c35c4461aaa
SHA1

1ed557783c1e0dcdd0c6be0111620ad059ca69ab
SHA256

6200b9f3a7cc9f5f3212c8bd0db0120178e7d4976adbb1ff4c98bcc5511ef079
SHA512

2f0ef9915223f28264fb957aa6fe60c7c231f411abeb98bc6422ba2b550a8c940e63e36d5d3583ab60cd88700a8bf72e63fd00696e83fbdcad3e446545263d9a
SSDEEP

1572864:KJ1PiUFui9j0hLeyPl0wzEAeQqMrlpA+Ql4Fy3uiTkxTivfSIfqrBBqkngR:O13Fui9ghLey97heyklIliTkxen3fyng

Score

7^/10

upx

Malware Config

Signatures

Loads dropped DLL 7 IoCs

Processes:

Oto-Tu-V3.1.exe

pid process

2128 Oto-Tu-V3.1.exe
2128 Oto-Tu-V3.1.exe
2128 Oto-Tu-V3.1.exe
2128 Oto-Tu-V3.1.exe
2128 Oto-Tu-V3.1.exe
2128 Oto-Tu-V3.1.exe
2128 Oto-Tu-V3.1.exe

pid	process
2128	Oto-Tu-V3.1.exe
2128	Oto-Tu-V3.1.exe
2128	Oto-Tu-V3.1.exe
2128	Oto-Tu-V3.1.exe
2128	Oto-Tu-V3.1.exe
2128	Oto-Tu-V3.1.exe
2128	Oto-Tu-V3.1.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\_MEI1082\python312.dll	upx
behavioral1/memory/2128-1009-0x000007FEF68C0000-0x000007FEF6F85000-memory.dmp	upx

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Oto-Tu-V3.1.exe

description	pid	process	target process
PID 108 wrote to memory of 2128	108	Oto-Tu-V3.1.exe	Oto-Tu-V3.1.exe
PID 108 wrote to memory of 2128	108	Oto-Tu-V3.1.exe	Oto-Tu-V3.1.exe
PID 108 wrote to memory of 2128	108	Oto-Tu-V3.1.exe	Oto-Tu-V3.1.exe

C:\Users\Admin\AppData\Local\Temp\Oto-Tu-V3.1.exe
"C:\Users\Admin\AppData\Local\Temp\Oto-Tu-V3.1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:108

C:\Users\Admin\AppData\Local\Temp\Oto-Tu-V3.1.exe
"C:\Users\Admin\AppData\Local\Temp\Oto-Tu-V3.1.exe"
2⤵
- Loads dropped DLL
PID:2128

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_MEI1082\api-ms-win-core-file-l1-2-0.dll

Filesize
21KB

MD5
3473bc217562594b5b126d7aeb9380e9

SHA1
b551b9d9aa80be070f577376e484610e01c5171a

SHA256
0d8190fd619feb20df123931108d499132f7051f1ebb0ef246082f4c52c88b22

SHA512
036b93457ade632ad68264d81ff26ee1156038e234c606882386d6babcbe722a18e9ced1655f97caecaf5fd514e261dafe999a3e9fec00cc677e177f0bf8e203

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI1082\api-ms-win-core-file-l2-1-0.dll

Filesize
20KB

MD5
50abf0a7ee67f00f247bada185a7661c

SHA1
0cddac9ac4db3bf10a11d4b79085ef9cb3fb84a1

SHA256
f957a4c261506484b53534a9be8931c02ec1a349b3f431a858f8215cecfec3f7

SHA512
c2694bb5d103baff1264926a04d2f0fe156b8815a23c3748412a81cc307b71a9236a0e974b5549321014065e393d10228a0f0004df9ba677f03b5d244a64b528

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI1082\api-ms-win-core-localization-l1-2-0.dll

Filesize
21KB

MD5
0414909b279ea61ca344edbe8e33e40b

SHA1
4ece0dabe954c43f9bd5032de76ec29c47b22e10

SHA256
05b0c773a77850f3d50ddb4b82cc4d5f19316fe1aaa65e21b4709ae73f60a28e

SHA512
edbd33540cd1ef69f2ce824cfb991903ec6e4edda815f07d610247594ceeb2ebc78f05a44b4de8c5c937191b7e8b2ef221423c06df303d73deea721c25d15eed

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI1082\api-ms-win-core-processthreads-l1-1-1.dll

Filesize
21KB

MD5
b1ba47d8389c40c2dda3c56cbed14fc5

SHA1
2eef9ffa32171d53affa44e3db7727aa383f7fac

SHA256
c7277c05dc6b905fad5cb930b0ecfbbc4676b46974b4571e54ca44cb6f6be404

SHA512
466e31f17f73bda5149343b23f4966502a8597d2a2e43f9a6c9c32387451d92c6b658ccaae27044e68e4a9fd0ef9c89e32dc7639d59fcf04c596b6abfa09658b

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI1082\python312.dll

Filesize
1.7MB

MD5
5750b5cbbb8628436ce9a3557efad861

SHA1
fb6fda4ca5dd9415a2031a581c1e0f055fed63b5

SHA256
587598b6c81f4f4dce3afd40ca6d4814d6cfdb9161458d2161c33abfdadc9e48

SHA512
d23938796b4e7b6ae7601c3ab9c513eb458cccb13b597b2e20762e829ce4ace7b810039c713ec996c7e2ce8cfb12d1e7231903f06f424266f460a004bd3f6f53

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI1082\setuptools\_vendor\backports.tarfile-1.2.0.dist-info\INSTALLER

Filesize
4B

MD5
365c9bfeb7d89244f2ce01c1de44cb85

SHA1
d7a03141d5d6b1e88b6b59ef08b6681df212c599

SHA256
ceebae7b8927a3227e5303cf5e0f1f7b34bb542ad7250ac03fbcde36ec2f1508

SHA512
d220d322a4053d84130567d626a9f7bb2fb8f0b854da1621f001826dc61b0ed6d3f91793627e6f0ac2ac27aea2b986b6a7a63427f05fe004d8a2adfbdadc13c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI1082\setuptools\_vendor\jaraco.functools-4.0.1.dist-info\LICENSE

Filesize
1023B

MD5
141643e11c48898150daa83802dbc65f

SHA1
0445ed0f69910eeaee036f09a39a13c6e1f37e12

SHA256
86da0f01aeae46348a3c3d465195dc1ceccde79f79e87769a64b8da04b2a4741

SHA512
ef62311602b466397baf0b23caca66114f8838f9e78e1b067787ceb709d09e0530e85a47bbcd4c5a0905b74fdb30df0cc640910c6cc2e67886e5b18794a3583f

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI1082\setuptools\_vendor\jaraco.text-3.12.1.dist-info\WHEEL

Filesize
92B

MD5
43136dde7dd276932f6197bb6d676ef4

SHA1
6b13c105452c519ea0b65ac1a975bd5e19c50122

SHA256
189eedfe4581172c1b6a02b97a8f48a14c0b5baa3239e4ca990fbd8871553714

SHA512
e7712ba7d36deb083ebcc3b641ad3e7d19fb071ee64ae3a35ad6a50ee882b20cd2e60ca1319199df12584fe311a6266ec74f96a3fb67e59f90c7b5909668aee1

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI1082\ucrtbase.dll

Filesize
1.1MB

MD5
3b337c2d41069b0a1e43e30f891c3813

SHA1
ebee2827b5cb153cbbb51c9718da1549fa80fc5c

SHA256
c04daeba7e7c4b711d33993ab4c51a2e087f98f4211aea0dcb3a216656ba0ab7

SHA512
fdb3012a71221447b35757ed2bdca6ed1f8833b2f81d03aabebd2cd7780a33a9c3d816535d03c5c3edd5aaf11d91156842b380e2a63135e3c7f87193ad211499

Download Submit
\Users\Admin\AppData\Local\Temp\_MEI1082\api-ms-win-core-timezone-l1-1-0.dll

Filesize
21KB

MD5
953c63ef10ec30ef7c89a6f0f7074041

SHA1
4b4f1ff3085fded9dbd737f273585ad43175b0a3

SHA256
c93954167c12e15b58ac95240d2e0a2fbd94561d739d9f6aca906d9c30453496

SHA512
b4534785e4d02ad387e3c6082884d438cc4b3cd8758aabcf99620052f5842dbd298351bc1723c274d4f7d3fce0cc940df3d47865fece2f07cdb1151376ba852e

Download Submit
memory/2128-1009-0x000007FEF68C0000-0x000007FEF6F85000-memory.dmp

Filesize
6.8MB

Download