d42f8a93cace8653b408cb4b57bc3d8b6a156183ae513b7343f9a2e0a7533242

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
28-06-2024 12:44

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General

Target

Update.exe
Size

38.5MB
MD5

296d089e59c5a5146135499524484a02
SHA1

48bda19fa864bc2e4079e0c0c30f83689650d9ab
SHA256

d42f8a93cace8653b408cb4b57bc3d8b6a156183ae513b7343f9a2e0a7533242
SHA512

92e3b56c82b73b801499f1e5cfcb3e802896a7fe8c485fa9988babc3ba59e1144fc4f642a873b01f67f9193f3f98c08e18f2c9bfca59ca4c890d14da27ec525b
SSDEEP

786432:4RQBBjb7I56Oe6r5siaZkfcUih07SVUGmoMO1otZK1TVj+9qoSJHU:4ROlb7InzrOiaZqiKSVgOgM1T1+G

Score

7^/10

upx

Malware Config

Signatures

Loads dropped DLL 7 IoCs

Processes:

Update.exe

pid	Process
2576	Update.exe
2576	Update.exe
2576	Update.exe
2576	Update.exe
2576	Update.exe
2576	Update.exe
2576	Update.exe

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/files/0x00060000000173f2-64.dat	upx

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Update.exe

description	pid	Process	procid_target
PID 1684 wrote to memory of 2576	1684	Update.exe	28
PID 1684 wrote to memory of 2576	1684	Update.exe	28
PID 1684 wrote to memory of 2576	1684	Update.exe	28

C:\Users\Admin\AppData\Local\Temp\Update.exe
"C:\Users\Admin\AppData\Local\Temp\Update.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Users\Admin\AppData\Local\Temp\Update.exe
  "C:\Users\Admin\AppData\Local\Temp\Update.exe"
  2⤵
  - Loads dropped DLL
  PID:2576

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_MEI16842\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\_MEI16842\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\_MEI16842\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\_MEI16842\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\_MEI16842\api-ms-win-core-timezone-l1-1-0.dll

Filesize
21KB

MD5
953c63ef10ec30ef7c89a6f0f7074041

SHA1
4b4f1ff3085fded9dbd737f273585ad43175b0a3

SHA256
c93954167c12e15b58ac95240d2e0a2fbd94561d739d9f6aca906d9c30453496

SHA512
b4534785e4d02ad387e3c6082884d438cc4b3cd8758aabcf99620052f5842dbd298351bc1723c274d4f7d3fce0cc940df3d47865fece2f07cdb1151376ba852e

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI16842\python311.dll

Filesize
1.6MB

MD5
76eb1ad615ba6600ce747bf1acde6679

SHA1
d3e1318077217372653be3947635b93df68156a4

SHA256
30be871735591ad96bc3fc7e541cdef474366159c2f7443feb30739cbd2db7e1

SHA512
2b960e74dd73f61d6a44fef0de9f2d50bcf2ec856b7aa5b97f0107e3cdadea461790760668a67db2ecaf71ff323133ee39ce2b38aafff3629c14e736d6a64aeb

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI16842\ucrtbase.dll

Filesize
1.1MB

MD5
3b337c2d41069b0a1e43e30f891c3813

SHA1
ebee2827b5cb153cbbb51c9718da1549fa80fc5c

SHA256
c04daeba7e7c4b711d33993ab4c51a2e087f98f4211aea0dcb3a216656ba0ab7

SHA512
fdb3012a71221447b35757ed2bdca6ed1f8833b2f81d03aabebd2cd7780a33a9c3d816535d03c5c3edd5aaf11d91156842b380e2a63135e3c7f87193ad211499

Download Submit
memory/2576-66-0x000007FEF5F40000-0x000007FEF652E000-memory.dmp

Filesize
5.9MB

Download