f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615

Analysis

max time kernel
84s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2022, 05:36

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General

Target

f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
Size

237KB
MD5

64b3ec0f67be0a32bd1cfe98908b1c90
SHA1

5150bdb5e22b14805e3403ea81d9c6f256cf686d
SHA256

f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615
SHA512

1a2ddd692a3dff1cead159a6ce03b34c6bbb77e476c79764a2feba34253f779274476d792d7e28cb1def815a51db7d74e120dfb9c1a2ecadb072d1254b7a13a4
SSDEEP

6144:K3kOMeaavF17EP6qyqsKKYL8NdKJqL1pI:aBMeT17zJpYadL1pI

Score

8^/10

bootkit persistence upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4328-132-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/4328-133-0x0000000000400000-0x0000000000489000-memory.dmp	upx

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\g:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\h:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\l:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\x:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\i:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\j:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\k:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\o:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\r:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\t:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\e:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\f:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\s:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\u:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\w:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\y:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\m:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\n:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\p:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\q:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\v:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
File opened (read-only)	\??\z:	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.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	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\SAItest.txt	f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe

C:\Users\Admin\AppData\Local\Temp\f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe
"C:\Users\Admin\AppData\Local\Temp\f09ea5b5f700dae6435a0888d51e6abb4977ad980432d8425c05bf11e2362615.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
PID:4328

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4328-132-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/4328-133-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download