fc8f9ee2ab1ca6caf1c09e07794cc19fba2285f47ec11823d659f335686b476f

General

Target

fc8f9ee2ab1ca6caf1c09e07794cc19fba2285f47ec11823d659f335686b476f.exe
Size

6.4MB
MD5

3d6b5dc05840de50f1d8d21599a025f3
SHA1

0f34a19dc875ae5ad6991933bb9a86df12deb19f
SHA256

fc8f9ee2ab1ca6caf1c09e07794cc19fba2285f47ec11823d659f335686b476f
SHA512

68fe83dd7fe0d0ac85fe45388aab0a4842b63950569ef29fa3eb647bde26766f60c38167921834c0924fc5b10e9772bd0ae67030e80c6a2fe734309977fc8b84
SSDEEP

98304:yjMaPB6+X3K59lZSaE2ZlY0/YXjr7bbMAcr8PkbWccuqyPPU:yjFPBP3K59lZSaE2ZlFIX+88KRT

Score

9^/10

bootkit oss_ak persistence upx

Malware Config

Signatures

detect oss ak 9 IoCs

oss ak information detected.

oss_ak

Processes:

resource	yara_rule
behavioral2/memory/2516-46-0x0000000000400000-0x0000000000AC7000-memory.dmp	detect_ak_stuff
behavioral2/memory/2516-47-0x0000000000400000-0x0000000000AC7000-memory.dmp	detect_ak_stuff
behavioral2/memory/2516-45-0x0000000000400000-0x0000000000AC7000-memory.dmp	detect_ak_stuff
behavioral2/memory/2516-48-0x0000000000400000-0x0000000000AC7000-memory.dmp	detect_ak_stuff
behavioral2/memory/2516-49-0x0000000000400000-0x0000000000AC7000-memory.dmp	detect_ak_stuff
behavioral2/memory/2516-50-0x0000000000400000-0x0000000000AC7000-memory.dmp	detect_ak_stuff
behavioral2/memory/2516-51-0x0000000000400000-0x0000000000AC7000-memory.dmp	detect_ak_stuff
behavioral2/memory/2516-52-0x0000000000400000-0x0000000000AC7000-memory.dmp	detect_ak_stuff
behavioral2/memory/2516-53-0x0000000000400000-0x0000000000AC7000-memory.dmp	detect_ak_stuff

UPX packed file 23 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2516-31-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-35-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-43-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-41-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-39-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-37-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-33-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-29-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-27-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-23-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-17-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-9-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-7-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-3-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-2-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-1-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-25-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-21-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-19-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-15-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-13-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-11-0x0000000002920000-0x000000000295E000-memory.dmp	upx
behavioral2/memory/2516-5-0x0000000002920000-0x000000000295E000-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:

fc8f9ee2ab1ca6caf1c09e07794cc19fba2285f47ec11823d659f335686b476f.exe

description ioc process

File opened for modification \??\PhysicalDrive0 fc8f9ee2ab1ca6caf1c09e07794cc19fba2285f47ec11823d659f335686b476f.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	fc8f9ee2ab1ca6caf1c09e07794cc19fba2285f47ec11823d659f335686b476f.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

fc8f9ee2ab1ca6caf1c09e07794cc19fba2285f47ec11823d659f335686b476f.exe

pid	process
2516	fc8f9ee2ab1ca6caf1c09e07794cc19fba2285f47ec11823d659f335686b476f.exe
2516	fc8f9ee2ab1ca6caf1c09e07794cc19fba2285f47ec11823d659f335686b476f.exe
2516	fc8f9ee2ab1ca6caf1c09e07794cc19fba2285f47ec11823d659f335686b476f.exe

C:\Users\Admin\AppData\Local\Temp\fc8f9ee2ab1ca6caf1c09e07794cc19fba2285f47ec11823d659f335686b476f.exe
"C:\Users\Admin\AppData\Local\Temp\fc8f9ee2ab1ca6caf1c09e07794cc19fba2285f47ec11823d659f335686b476f.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetWindowsHookEx
PID:2516

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2516-0-0x00000000006F1000-0x00000000006F2000-memory.dmp

Filesize
4KB

Download
memory/2516-31-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-35-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-43-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-46-0x0000000000400000-0x0000000000AC7000-memory.dmp

Filesize
6.8MB

Download
memory/2516-47-0x0000000000400000-0x0000000000AC7000-memory.dmp

Filesize
6.8MB

Download
memory/2516-45-0x0000000000400000-0x0000000000AC7000-memory.dmp

Filesize
6.8MB

Download
memory/2516-48-0x0000000000400000-0x0000000000AC7000-memory.dmp

Filesize
6.8MB

Download
memory/2516-41-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-39-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-37-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-33-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-29-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-27-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-23-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-17-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-9-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-7-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-3-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-2-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-1-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-25-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-21-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-19-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-15-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-13-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-11-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-5-0x0000000002920000-0x000000000295E000-memory.dmp

Filesize
248KB

Download
memory/2516-49-0x0000000000400000-0x0000000000AC7000-memory.dmp

Filesize
6.8MB

Download
memory/2516-50-0x0000000000400000-0x0000000000AC7000-memory.dmp

Filesize
6.8MB

Download
memory/2516-51-0x0000000000400000-0x0000000000AC7000-memory.dmp

Filesize
6.8MB

Download
memory/2516-52-0x0000000000400000-0x0000000000AC7000-memory.dmp

Filesize
6.8MB

Download
memory/2516-53-0x0000000000400000-0x0000000000AC7000-memory.dmp

Filesize
6.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads