8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5

Analysis

max time kernel
30s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
21-03-2023 22:06

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General

Target

8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe
Size

1.6MB
MD5

064177d4fb8d8d41f6577369a3829e11
SHA1

a57fe8d4069fc95196f6c07d26bec99e7f7ef99e
SHA256

8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5
SHA512

eea3eeb2d4fa8c14c31955dc154ee4e11069c011a6a9bd5c80b3a0b7167d245955ef37a45d3001954ebcdc4d3461238933ce1b65888ba900b88d73cea670472d
SSDEEP

49152:E5lfUp//wnd+VOmUYunmK4OZp+ZivsI+Kd:E5lfU5/wgVxUYnsOikI+Kd

Score

7^/10

bootkit persistence

Malware Config

Signatures

Loads dropped DLL 14 IoCs

pid	Process
1256	8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe
1256	8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe
1256	8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe
1256	8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe
1256	8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe
1256	8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe
1256	8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe
1256	8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe
1256	8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe
1256	8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe
1256	8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe
1256	8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe
1256	8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe
1256	8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1067

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\haoi.dll	8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe
File opened for modification	C:\Windows\haoi.dll	8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1256	8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe
1256	8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe

C:\Users\Admin\AppData\Local\Temp\8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe
"C:\Users\Admin\AppData\Local\Temp\8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:1256

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\C__Users_Admin_AppData_Local_Temp_8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5\¹¤³ÌÎÄ¼þ\res\dll\AtlImage.dll

Filesize
13KB

MD5
c1355a73323cfd1dd635e3af9249bda2

SHA1
efce237fcab7dc292c81f9153a62ac030e945aba

SHA256
678459c17a151048017293fd0124f5a8ad73f571b1be5367851954415d3d309d

SHA512
0e0f4c314f81e99ac0876ab83dcaf6efbdd411a671ee37928de4557add0d253ef4b3c08201c8da457a4a0f723e309bebf16fb087f5b15d9972a93f2df37dd01a

Download Submit
C:\Users\Admin\AppData\Local\Temp\C__Users_Admin_AppData_Local_Temp_8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5\¹¤³ÌÎÄ¼þ\res\image\guagua_tip_close.png

Filesize
1KB

MD5
a8e5f78dc1ec5ee0e0efbb2d3506f88e

SHA1
fed9eb4f488a476cb14c39e22fbc0d0d1de02605

SHA256
c162e5e30427cd351cd5aaa3da8de1ffe17ed6e3798b092d2a7aa13405e60041

SHA512
f292a16e76a7c526ecea6f7a4ee1b77d251f90c58b2747f6d55c10bbf347caecf7c7bcf18c698e78aa9dc131b41dd9d361754d1d16382199c2f63b9fded0171a

Download Submit
C:\Users\Admin\AppData\Local\Temp\C__Users_Admin_AppData_Local_Temp_8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5\¹¤³ÌÎÄ¼þ\res\image\guagua_tip_ico.png

Filesize
4KB

MD5
bbfe367b03ce1ed5ee92a9d9f24d17c8

SHA1
899a0d5b68ba7de4788bf2182fce29b7f2482cbd

SHA256
e88c328f5368f4bf2151da67c0aae8411ea4862d1fa0758cdfe8b54f2dd7a74c

SHA512
3d267003fc9e9e151bd1ce53fdc2dd91a266cee3104c6ee75a5946052ce61f399084b8e7d1ee3f50796b9bdb617e60102b34c1a15a2eb1310b593d6406745a34

Download Submit
C:\Users\Admin\AppData\Local\Temp\C__Users_Admin_AppData_Local_Temp_8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5\¹¤³ÌÎÄ¼þ\res\image\guagua_tip_title.png

Filesize
10KB

MD5
6e71b1e40c6e77613c96b2c92126b66e

SHA1
a17d8df3e6957c9ba9a8fb47ab2805d469ea9582

SHA256
684322647ecd2a2f6c58ce7b60efbd6d92353f950ddcc9c199592892e17c6f05

SHA512
665bbbfadc9b31af3a115f16b4c15dfe967deac8c48cf96d86b66c77af48069fb2d36dc74241a98cc2666f5e56222bc7b550a657f37cad84237cbd563aa5fed0

Download Submit
C:\Windows\haoi.dll

Filesize
160KB

MD5
b31c03d9f4d28e6009637e5e06f05eb3

SHA1
a96f8c2e8a97d19e15be0d6abba11c380ece43eb

SHA256
0b53c47ddc88b7e3e5581446304c2c1bb3c9f71b09b75c8b0f70d63c8a08096d

SHA512
01aabdf55b4ffddb63c389e3ec4db9ba0699f45cc9ecfd948ea8994cf210b9a784699fdaef68d0fa81ca6df256681d08c3df9ed0447e015b1a0f1caddbb97851

Download Submit
\Users\Admin\AppData\Local\Temp\C__Users_Admin_AppData_Local_Temp_8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5\¹¤³ÌÎÄ¼þ\res\dll\AtlImage.dll

Filesize
13KB

MD5
c1355a73323cfd1dd635e3af9249bda2

SHA1
efce237fcab7dc292c81f9153a62ac030e945aba

SHA256
678459c17a151048017293fd0124f5a8ad73f571b1be5367851954415d3d309d

SHA512
0e0f4c314f81e99ac0876ab83dcaf6efbdd411a671ee37928de4557add0d253ef4b3c08201c8da457a4a0f723e309bebf16fb087f5b15d9972a93f2df37dd01a

Download Submit
\Users\Admin\AppData\Local\Temp\C__Users_Admin_AppData_Local_Temp_8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5\¹¤³ÌÎÄ¼þ\res\dll\AtlImage.dll

Filesize
13KB

MD5
c1355a73323cfd1dd635e3af9249bda2

SHA1
efce237fcab7dc292c81f9153a62ac030e945aba

SHA256
678459c17a151048017293fd0124f5a8ad73f571b1be5367851954415d3d309d

SHA512
0e0f4c314f81e99ac0876ab83dcaf6efbdd411a671ee37928de4557add0d253ef4b3c08201c8da457a4a0f723e309bebf16fb087f5b15d9972a93f2df37dd01a

Download Submit
\Users\Admin\AppData\Local\Temp\C__Users_Admin_AppData_Local_Temp_8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5\¹¤³ÌÎÄ¼þ\res\dll\AtlImage.dll

Filesize
13KB

MD5
c1355a73323cfd1dd635e3af9249bda2

SHA1
efce237fcab7dc292c81f9153a62ac030e945aba

SHA256
678459c17a151048017293fd0124f5a8ad73f571b1be5367851954415d3d309d

SHA512
0e0f4c314f81e99ac0876ab83dcaf6efbdd411a671ee37928de4557add0d253ef4b3c08201c8da457a4a0f723e309bebf16fb087f5b15d9972a93f2df37dd01a

Download Submit
\Users\Admin\AppData\Local\Temp\C__Users_Admin_AppData_Local_Temp_8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5\¹¤³ÌÎÄ¼þ\res\dll\AtlImage.dll

Filesize
13KB

MD5
c1355a73323cfd1dd635e3af9249bda2

SHA1
efce237fcab7dc292c81f9153a62ac030e945aba

SHA256
678459c17a151048017293fd0124f5a8ad73f571b1be5367851954415d3d309d

SHA512
0e0f4c314f81e99ac0876ab83dcaf6efbdd411a671ee37928de4557add0d253ef4b3c08201c8da457a4a0f723e309bebf16fb087f5b15d9972a93f2df37dd01a

Download Submit
\Users\Admin\AppData\Local\Temp\C__Users_Admin_AppData_Local_Temp_8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5\¹¤³ÌÎÄ¼þ\res\dll\AtlImage.dll

Filesize
13KB

MD5
c1355a73323cfd1dd635e3af9249bda2

SHA1
efce237fcab7dc292c81f9153a62ac030e945aba

SHA256
678459c17a151048017293fd0124f5a8ad73f571b1be5367851954415d3d309d

SHA512
0e0f4c314f81e99ac0876ab83dcaf6efbdd411a671ee37928de4557add0d253ef4b3c08201c8da457a4a0f723e309bebf16fb087f5b15d9972a93f2df37dd01a

Download Submit
\Users\Admin\AppData\Local\Temp\C__Users_Admin_AppData_Local_Temp_8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5\¹¤³ÌÎÄ¼þ\res\dll\AtlImage.dll

Filesize
13KB

MD5
c1355a73323cfd1dd635e3af9249bda2

SHA1
efce237fcab7dc292c81f9153a62ac030e945aba

SHA256
678459c17a151048017293fd0124f5a8ad73f571b1be5367851954415d3d309d

SHA512
0e0f4c314f81e99ac0876ab83dcaf6efbdd411a671ee37928de4557add0d253ef4b3c08201c8da457a4a0f723e309bebf16fb087f5b15d9972a93f2df37dd01a

Download Submit
\Users\Admin\AppData\Local\Temp\C__Users_Admin_AppData_Local_Temp_8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5\¹¤³ÌÎÄ¼þ\res\dll\AtlImage.dll

Filesize
13KB

MD5
c1355a73323cfd1dd635e3af9249bda2

SHA1
efce237fcab7dc292c81f9153a62ac030e945aba

SHA256
678459c17a151048017293fd0124f5a8ad73f571b1be5367851954415d3d309d

SHA512
0e0f4c314f81e99ac0876ab83dcaf6efbdd411a671ee37928de4557add0d253ef4b3c08201c8da457a4a0f723e309bebf16fb087f5b15d9972a93f2df37dd01a

Download Submit
\Users\Admin\AppData\Local\Temp\C__Users_Admin_AppData_Local_Temp_8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5\¹¤³ÌÎÄ¼þ\res\dll\AtlImage.dll

Filesize
13KB

MD5
c1355a73323cfd1dd635e3af9249bda2

SHA1
efce237fcab7dc292c81f9153a62ac030e945aba

SHA256
678459c17a151048017293fd0124f5a8ad73f571b1be5367851954415d3d309d

SHA512
0e0f4c314f81e99ac0876ab83dcaf6efbdd411a671ee37928de4557add0d253ef4b3c08201c8da457a4a0f723e309bebf16fb087f5b15d9972a93f2df37dd01a

Download Submit
\Users\Admin\AppData\Local\Temp\C__Users_Admin_AppData_Local_Temp_8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5\¹¤³ÌÎÄ¼þ\res\dll\AtlImage.dll

Filesize
13KB

MD5
c1355a73323cfd1dd635e3af9249bda2

SHA1
efce237fcab7dc292c81f9153a62ac030e945aba

SHA256
678459c17a151048017293fd0124f5a8ad73f571b1be5367851954415d3d309d

SHA512
0e0f4c314f81e99ac0876ab83dcaf6efbdd411a671ee37928de4557add0d253ef4b3c08201c8da457a4a0f723e309bebf16fb087f5b15d9972a93f2df37dd01a

Download Submit
\Users\Admin\AppData\Local\Temp\C__Users_Admin_AppData_Local_Temp_8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5\¹¤³ÌÎÄ¼þ\res\dll\AtlImage.dll

Filesize
13KB

MD5
c1355a73323cfd1dd635e3af9249bda2

SHA1
efce237fcab7dc292c81f9153a62ac030e945aba

SHA256
678459c17a151048017293fd0124f5a8ad73f571b1be5367851954415d3d309d

SHA512
0e0f4c314f81e99ac0876ab83dcaf6efbdd411a671ee37928de4557add0d253ef4b3c08201c8da457a4a0f723e309bebf16fb087f5b15d9972a93f2df37dd01a

Download Submit
\Users\Admin\AppData\Local\Temp\C__Users_Admin_AppData_Local_Temp_8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5\¹¤³ÌÎÄ¼þ\res\dll\AtlImage.dll

Filesize
13KB

MD5
c1355a73323cfd1dd635e3af9249bda2

SHA1
efce237fcab7dc292c81f9153a62ac030e945aba

SHA256
678459c17a151048017293fd0124f5a8ad73f571b1be5367851954415d3d309d

SHA512
0e0f4c314f81e99ac0876ab83dcaf6efbdd411a671ee37928de4557add0d253ef4b3c08201c8da457a4a0f723e309bebf16fb087f5b15d9972a93f2df37dd01a

Download Submit
\Users\Admin\AppData\Local\Temp\C__Users_Admin_AppData_Local_Temp_8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5\¹¤³ÌÎÄ¼þ\res\dll\AtlImage.dll

Filesize
13KB

MD5
c1355a73323cfd1dd635e3af9249bda2

SHA1
efce237fcab7dc292c81f9153a62ac030e945aba

SHA256
678459c17a151048017293fd0124f5a8ad73f571b1be5367851954415d3d309d

SHA512
0e0f4c314f81e99ac0876ab83dcaf6efbdd411a671ee37928de4557add0d253ef4b3c08201c8da457a4a0f723e309bebf16fb087f5b15d9972a93f2df37dd01a

Download Submit
\Users\Admin\AppData\Local\Temp\C__Users_Admin_AppData_Local_Temp_8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5\¹¤³ÌÎÄ¼þ\res\dll\AtlImage.dll

Filesize
13KB

MD5
c1355a73323cfd1dd635e3af9249bda2

SHA1
efce237fcab7dc292c81f9153a62ac030e945aba

SHA256
678459c17a151048017293fd0124f5a8ad73f571b1be5367851954415d3d309d

SHA512
0e0f4c314f81e99ac0876ab83dcaf6efbdd411a671ee37928de4557add0d253ef4b3c08201c8da457a4a0f723e309bebf16fb087f5b15d9972a93f2df37dd01a

Download Submit
\Users\Admin\AppData\Local\Temp\C__Users_Admin_AppData_Local_Temp_8e765eb0f4954ead53c91abd5cbd93e8a563a05662c758735d925855ac8b8ec5\¹¤³ÌÎÄ¼þ\res\dll\ggdll.dll

Filesize
1.0MB

MD5
e905c81030394d7f6f5303c1722864b7

SHA1
1a6425d88eee2329ce3e12abfd96a5d658386e75

SHA256
6a2a100d3397487c323d1fa4a15157b69dc97c9025252a5a6b75f9a5c0bb103d

SHA512
37f7ddcf1971e109a0fe8bd7b132f71dd78bae780bd6bbd0415f702bbb0ba0eadaf35e15ac86b53738cd7acbd3bb824fe154d404f1a2971539b6fa7904fc00fb

Download Submit
memory/1256-245-0x00000000004C0000-0x00000000004EA000-memory.dmp

Filesize
168KB

Download