900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
26-05-2024 12:45

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General

Target

900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe
Size

7.1MB
MD5

b4bb979fb3f26bbc396e0c5c55d0df01
SHA1

f69b6395cbba9b75b91125d7ed1b1d1f9364211f
SHA256

900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937
SHA512

5f90816aaf8e0a7a91aee2158e9cb5e5805eb302c5f2c7285a2342fd59a5a8ac3d64ef8cb18510257761aa26894ade9d8ce1bdb07e0d9aa1602255fea9a841cb
SSDEEP

196608:xiAgT8Hz65Mm1U1W4qgsQzDdxsWdDeDAApd5:vgIqOA5LatDAl/5

Score

7^/10

bootkit persistence upx

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe

pid process

1548 900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe

UPX packed file 40 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1548-0-0x0000000000400000-0x0000000000D0E000-memory.dmp	upx
behavioral1/memory/1548-42-0x0000000000400000-0x0000000000D0E000-memory.dmp	upx
behavioral1/memory/1548-53-0x0000000000400000-0x0000000000D0E000-memory.dmp	upx
behavioral1/memory/1548-54-0x0000000000400000-0x0000000000D0E000-memory.dmp	upx
behavioral1/memory/1548-55-0x0000000000400000-0x0000000000D0E000-memory.dmp	upx
behavioral1/memory/1548-56-0x0000000000400000-0x0000000000D0E000-memory.dmp	upx
behavioral1/memory/1548-57-0x0000000000400000-0x0000000000D0E000-memory.dmp	upx
behavioral1/memory/1548-58-0x0000000000400000-0x0000000000D0E000-memory.dmp	upx
behavioral1/memory/1548-59-0x0000000000400000-0x0000000000D0E000-memory.dmp	upx
behavioral1/memory/1548-60-0x0000000000400000-0x0000000000D0E000-memory.dmp	upx
behavioral1/memory/1548-61-0x0000000000400000-0x0000000000D0E000-memory.dmp	upx
behavioral1/memory/1548-62-0x0000000000400000-0x0000000000D0E000-memory.dmp	upx
behavioral1/memory/1548-63-0x0000000000400000-0x0000000000D0E000-memory.dmp	upx
behavioral1/memory/1548-64-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-107-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-110-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-105-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-103-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-101-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-99-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-95-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-93-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-91-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-89-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-87-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-85-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-83-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-81-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-79-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-77-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-75-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-73-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-71-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-69-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-68-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-67-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-66-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-97-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral1/memory/1548-113-0x0000000000400000-0x0000000000D0E000-memory.dmp	upx
behavioral1/memory/1548-115-0x0000000010000000-0x000000001003E000-memory.dmp	upx

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
T1542.003

Processes:

900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe

description ioc process

File opened for modification \??\PhysicalDrive0 900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe

pid	process
1548	900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe
1548	900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe
1548	900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe
1548	900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe

description	pid	process	target process
PID 1548 wrote to memory of 2976	1548	900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe	nslookup.exe
PID 1548 wrote to memory of 2976	1548	900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe	nslookup.exe
PID 1548 wrote to memory of 2976	1548	900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe	nslookup.exe
PID 1548 wrote to memory of 2976	1548	900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe	nslookup.exe
PID 1548 wrote to memory of 2152	1548	900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe	nslookup.exe
PID 1548 wrote to memory of 2152	1548	900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe	nslookup.exe
PID 1548 wrote to memory of 2152	1548	900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe	nslookup.exe
PID 1548 wrote to memory of 2152	1548	900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe
"C:\Users\Admin\AppData\Local\Temp\900a8acc750dbdc1e8b99e51d76a963fad47564c15da5dae9a08c329b9bba937.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Modifies system certificate store
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1548

C:\Windows\SysWOW64\nslookup.exe
nslookup -qt=TXT ns2.60r.cn
2⤵
PID:2976

C:\Windows\SysWOW64\nslookup.exe
nslookup -qt=TXT ns1.60r.cn
2⤵
PID:2152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Cab3A54.tmp

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar3A76.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
\Users\Admin\AppData\Local\Temp\E2EECore.3.3.4.dll

Filesize
10.6MB

MD5
fb1c3c33a5da0ff787dedf3ae18a274f

SHA1
b05b9504460ec32fdf2301d4734b4f064f6146b8

SHA256
478584be80f2587b739d177294402a5bc97464f98fff79d065e506bf521ec337

SHA512
2d29eb7ce018834462e2d478783a9a67e9fa6d5a1c1a17d92758e06ac8eaee7fd22d9eebde308e97d967ef43a39b15025f871c41a37c819136313ff190b1998b

Download Submit
memory/1548-103-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-68-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-53-0x0000000000400000-0x0000000000D0E000-memory.dmp

Filesize
9.1MB

Download
memory/1548-54-0x0000000000400000-0x0000000000D0E000-memory.dmp

Filesize
9.1MB

Download
memory/1548-55-0x0000000000400000-0x0000000000D0E000-memory.dmp

Filesize
9.1MB

Download
memory/1548-56-0x0000000000400000-0x0000000000D0E000-memory.dmp

Filesize
9.1MB

Download
memory/1548-101-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-58-0x0000000000400000-0x0000000000D0E000-memory.dmp

Filesize
9.1MB

Download
memory/1548-59-0x0000000000400000-0x0000000000D0E000-memory.dmp

Filesize
9.1MB

Download
memory/1548-60-0x0000000000400000-0x0000000000D0E000-memory.dmp

Filesize
9.1MB

Download
memory/1548-61-0x0000000000400000-0x0000000000D0E000-memory.dmp

Filesize
9.1MB

Download
memory/1548-62-0x0000000000400000-0x0000000000D0E000-memory.dmp

Filesize
9.1MB

Download
memory/1548-63-0x0000000000400000-0x0000000000D0E000-memory.dmp

Filesize
9.1MB

Download
memory/1548-64-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-107-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-110-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-105-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-95-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-57-0x0000000000400000-0x0000000000D0E000-memory.dmp

Filesize
9.1MB

Download
memory/1548-42-0x0000000000400000-0x0000000000D0E000-memory.dmp

Filesize
9.1MB

Download
memory/1548-0-0x0000000000400000-0x0000000000D0E000-memory.dmp

Filesize
9.1MB

Download
memory/1548-93-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-91-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-89-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-87-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

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memory/1548-85-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

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memory/1548-83-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-81-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

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memory/1548-79-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

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memory/1548-77-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-75-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-73-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-71-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-69-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-99-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-67-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-66-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-97-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1548-113-0x0000000000400000-0x0000000000D0E000-memory.dmp

Filesize
9.1MB

Download
memory/1548-115-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

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