eb09b1428d18d3c19dfe2cd67a39aef3b56f9fdb26c103c1ac324cf6c32a5659

General

Target

eb09b1428d18d3c19dfe2cd67a39aef3b56f9fdb26c103c1ac324cf6c32a5659.exe
Size

1.3MB
MD5

65e4e35648c5e3420042efa9e030baca
SHA1

c1f807321a76dbe893d9f99c20e7934b19208490
SHA256

eb09b1428d18d3c19dfe2cd67a39aef3b56f9fdb26c103c1ac324cf6c32a5659
SHA512

fdfdfc8540af42861f301c1082bc168de264d74edb2897e2771ba011a0fd2b58af1358ece312670dcc1a00dbc78facb9056086225b8b07d0e6be01967b75e42d
SSDEEP

24576:n82orkRP/V1ep7sef8xffmTFOvr6Xiwf/PR8wsF42nSYLS/8WLl9:82o6/q1sef8xfWFOveLf/aFlSYO/3

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

System.exe

pid process

1900 System.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1108 netsh.exe

pid	process
1900	System.exe

pid	process
1108	netsh.exe

Drops startup file 2 IoCs

Processes:

System.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8b95c8175db0a4f1cc45b97312326391.exe	System.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8b95c8175db0a4f1cc45b97312326391.exe	System.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

System.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\8b95c8175db0a4f1cc45b97312326391 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .."	System.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8b95c8175db0a4f1cc45b97312326391 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .."	System.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 20 IoCs

Processes:

eb09b1428d18d3c19dfe2cd67a39aef3b56f9fdb26c103c1ac324cf6c32a5659.exeSystem.exe

description	pid	process
Token: SeDebugPrivilege	1832	eb09b1428d18d3c19dfe2cd67a39aef3b56f9fdb26c103c1ac324cf6c32a5659.exe
Token: 33	1832	eb09b1428d18d3c19dfe2cd67a39aef3b56f9fdb26c103c1ac324cf6c32a5659.exe
Token: SeIncBasePriorityPrivilege	1832	eb09b1428d18d3c19dfe2cd67a39aef3b56f9fdb26c103c1ac324cf6c32a5659.exe
Token: SeDebugPrivilege	1900	System.exe
Token: 33	1900	System.exe
Token: SeIncBasePriorityPrivilege	1900	System.exe
Token: 33	1900	System.exe
Token: SeIncBasePriorityPrivilege	1900	System.exe
Token: 33	1900	System.exe
Token: SeIncBasePriorityPrivilege	1900	System.exe
Token: 33	1900	System.exe
Token: SeIncBasePriorityPrivilege	1900	System.exe
Token: 33	1900	System.exe
Token: SeIncBasePriorityPrivilege	1900	System.exe
Token: 33	1900	System.exe
Token: SeIncBasePriorityPrivilege	1900	System.exe
Token: 33	1900	System.exe
Token: SeIncBasePriorityPrivilege	1900	System.exe
Token: 33	1900	System.exe
Token: SeIncBasePriorityPrivilege	1900	System.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

eb09b1428d18d3c19dfe2cd67a39aef3b56f9fdb26c103c1ac324cf6c32a5659.exeSystem.exe

description	pid	process	target process
PID 1832 wrote to memory of 1900	1832	eb09b1428d18d3c19dfe2cd67a39aef3b56f9fdb26c103c1ac324cf6c32a5659.exe	System.exe
PID 1832 wrote to memory of 1900	1832	eb09b1428d18d3c19dfe2cd67a39aef3b56f9fdb26c103c1ac324cf6c32a5659.exe	System.exe
PID 1832 wrote to memory of 1900	1832	eb09b1428d18d3c19dfe2cd67a39aef3b56f9fdb26c103c1ac324cf6c32a5659.exe	System.exe
PID 1900 wrote to memory of 1108	1900	System.exe	netsh.exe
PID 1900 wrote to memory of 1108	1900	System.exe	netsh.exe
PID 1900 wrote to memory of 1108	1900	System.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\eb09b1428d18d3c19dfe2cd67a39aef3b56f9fdb26c103c1ac324cf6c32a5659.exe
"C:\Users\Admin\AppData\Local\Temp\eb09b1428d18d3c19dfe2cd67a39aef3b56f9fdb26c103c1ac324cf6c32a5659.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1832

C:\Users\Admin\AppData\Local\Temp\System.exe
"C:\Users\Admin\AppData\Local\Temp\System.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900

C:\Windows\system32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\System.exe" "System.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1108

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\System.exe
Filesize
1.3MB

MD5
65e4e35648c5e3420042efa9e030baca

SHA1
c1f807321a76dbe893d9f99c20e7934b19208490

SHA256
eb09b1428d18d3c19dfe2cd67a39aef3b56f9fdb26c103c1ac324cf6c32a5659

SHA512
fdfdfc8540af42861f301c1082bc168de264d74edb2897e2771ba011a0fd2b58af1358ece312670dcc1a00dbc78facb9056086225b8b07d0e6be01967b75e42d

Download Submit
C:\Users\Admin\AppData\Local\Temp\System.exe
Filesize
1.3MB

MD5
65e4e35648c5e3420042efa9e030baca

SHA1
c1f807321a76dbe893d9f99c20e7934b19208490

SHA256
eb09b1428d18d3c19dfe2cd67a39aef3b56f9fdb26c103c1ac324cf6c32a5659

SHA512
fdfdfc8540af42861f301c1082bc168de264d74edb2897e2771ba011a0fd2b58af1358ece312670dcc1a00dbc78facb9056086225b8b07d0e6be01967b75e42d

Download Submit
memory/1108-61-0x0000000000000000-mapping.dmp

Download
memory/1832-54-0x00000000001D0000-0x0000000000316000-memory.dmp

Filesize
1.3MB

Download
memory/1832-55-0x000000001B550000-0x000000001B7C0000-memory.dmp

Filesize
2.4MB

Download
memory/1832-56-0x000007FEFC341000-0x000007FEFC343000-memory.dmp

Filesize
8KB

Download
memory/1900-57-0x0000000000000000-mapping.dmp

Download
memory/1900-60-0x0000000000A10000-0x0000000000B56000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads