ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
26-05-2024 06:52

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General

Target

ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe
Size

2.0MB
MD5

9336d94530a361887d032c551a14af67
SHA1

0ff178d71c2212a0fc05984ad780dcb76f6ffb88
SHA256

ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0
SHA512

c643d7f22a427ec0af6d90c33e8e42cbe199acfea0ef5d0b2d464526ea4c3c851cc8e35b4bb455585a65c14078841290f29404d0c15db5b94ee56836bd3a923e
SSDEEP

49152:J6vFkG6KQisUIlEW46DHimMTIf5zpms5H6XiDU4NF6mzvWcDvCifcebHVkweTaeO:I+fSlkJ46DHiif5Fms5aXiDU4N2cDvCG

Score

7^/10

bootkit persistence upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2036-0-0x0000000000400000-0x0000000000AE1000-memory.dmp	upx
behavioral1/memory/2036-2-0x0000000000400000-0x0000000000AE1000-memory.dmp	upx
behavioral1/memory/2036-8-0x0000000000400000-0x0000000000AE1000-memory.dmp	upx
behavioral1/memory/2036-11-0x0000000000400000-0x0000000000AE1000-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:

ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe

description ioc process

File opened for modification \??\PhysicalDrive0 ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe

description pid process

Token: SeDebugPrivilege 2036 ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe

description	pid	process
Token: SeDebugPrivilege	2036	ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe

pid	process
2036	ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe
2036	ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe
2036	ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe

pid	process
2036	ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe
2036	ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe
2036	ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe

pid	process
2036	ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe
2036	ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe

C:\Users\Admin\AppData\Local\Temp\ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe
"C:\Users\Admin\AppData\Local\Temp\ac04a48852d30d47ba67e250639819f703ff2a2367f349d2691ad1ae2bb814f0.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2036-0-0x0000000000400000-0x0000000000AE1000-memory.dmp

Filesize
6.9MB

Download
memory/2036-2-0x0000000000400000-0x0000000000AE1000-memory.dmp

Filesize
6.9MB

Download
memory/2036-8-0x0000000000400000-0x0000000000AE1000-memory.dmp

Filesize
6.9MB

Download
memory/2036-11-0x0000000000400000-0x0000000000AE1000-memory.dmp

Filesize
6.9MB

Download