ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5

Analysis

max time kernel
141s
max time network
130s
platform
windows10-1703_x64
resource
win10-20231020-en
resource tags

arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
submitted
11/12/2023, 10:14

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General

Target

ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.exe
Size

6.9MB
MD5

78f0c7a1623ec33562faa5a8d35f7c55
SHA1

935908d88a9493f0958a7680b2cb3e324b3660e4
SHA256

ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5
SHA512

28ae249325d0706219ef3e2d5c8e5cfdae2dcf7dfe70daa08200d685bd6135656248fcbc22eef80b5be8a5f3d06965ec240e6428cfdf9150c2a1ec4e1df09982
SSDEEP

98304:ECtQAsI29jHcxWjRTp6azZzB8hi4ZoEiAmP+xhctqd60dVADjhSF1O8lw3kBL7l7:pstjRJ/4ZoSQQhtd6sWDlSrM0BLRrzj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2996	ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.tmp

Loads dropped DLL 3 IoCs

pid	Process
2996	ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.tmp
2996	ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.tmp
2996	ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.tmp

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WMAFormat\uninstall\unins000.dat	ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.tmp
File created	C:\Program Files (x86)\WMAFormat\uninstall\is-G030T.tmp	ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.tmp
File created	C:\Program Files (x86)\WMAFormat\stuff\is-7AP5O.tmp	ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.tmp
File created	C:\Program Files (x86)\WMAFormat\stuff\is-PISB8.tmp	ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.tmp
File created	C:\Program Files (x86)\WMAFormat\stuff\is-UDQ8V.tmp	ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2996	ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.tmp

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 2996	996	ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.exe	70
PID 996 wrote to memory of 2996	996	ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.exe	70
PID 996 wrote to memory of 2996	996	ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.exe	70

C:\Users\Admin\AppData\Local\Temp\ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.exe
"C:\Users\Admin\AppData\Local\Temp\ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:996
- C:\Users\Admin\AppData\Local\Temp\is-B96VI.tmp\ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-B96VI.tmp\ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.tmp" /SL5="$80206,6990075,68096,C:\Users\Admin\AppData\Local\Temp\ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of FindShellTrayWindow
  PID:2996

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-B96VI.tmp\ef4c29d2abfdcb3b3caaff6195f2f707e5b15a9fd14862ef51e475f02a8f6ea5.tmp

Filesize
687KB

MD5
f448d7f4b76e5c9c3a4eaff16a8b9b73

SHA1
31808f1ffa84c954376975b7cdb0007e6b762488

SHA256
7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

SHA512
f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

Download Submit
\Users\Admin\AppData\Local\Temp\is-MCJID.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-MCJID.tmp\_isetup\_isdecmp.dll

Filesize
19KB

MD5
3adaa386b671c2df3bae5b39dc093008

SHA1
067cf95fbdb922d81db58432c46930f86d23dded

SHA256
71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

SHA512
bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

Download Submit
memory/996-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/996-2-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/996-33-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2996-10-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2996-34-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2996-37-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download