bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7

Reason

Reading agent response: read tcp 10.127.0.1:36322->10.127.0.176:8000: read: connection timed out

General

Target

bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7.exe
Size

150KB
MD5

c72eab8f82ffaebe359824558ae0e994
SHA1

2c5a784db6830ca6b6f7bc833b4125ee577da024
SHA256

bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7
SHA512

a033d9883596326d32ba716e2c32ddc99f5656bbaa59c8ab571fbf5ff370854508d75bb51cb38df76953df5da27a0ff8ea1d1d9808da563ceca64d3a431eae6a

Score

6^/10

bootkit persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\wininit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7.exe"	bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run	bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7.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

Processes:

bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7.exe

description ioc process

File opened for modification \??\PhysicalDrive0 bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1968 schtasks.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7.exe

description pid process

Token: SeDebugPrivilege 1056 bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7.exe

pid	process
1968	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	1056	bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7.exe

description	pid	process	target process
PID 1056 wrote to memory of 1968	1056	bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7.exe	schtasks.exe
PID 1056 wrote to memory of 1968	1056	bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7.exe	schtasks.exe
PID 1056 wrote to memory of 1968	1056	bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7.exe	schtasks.exe
PID 1056 wrote to memory of 1968	1056	bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7.exe
"C:\Users\Admin\AppData\Local\Temp\bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7.exe"
1⤵
- Adds Run key to start application
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1056

C:\Windows\SysWOW64\schtasks.exe
schtasks.exe /Create /TN wininit /ru SYSTEM /SC ONSTART /TR "C:\Users\Admin\AppData\Local\Temp\bc8c6b5788dea27e4052a5023a3f13fb4edee9e190f39d080db89fe5a2fc75d7.exe"
2⤵
- Creates scheduled task(s)
PID:1968

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Bootkit

1

T1067

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1056-54-0x00000000764C1000-0x00000000764C3000-memory.dmp

Filesize
8KB

Download
memory/1968-55-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads