8cc8893d2b59b905d33596bef5263acf2de12b5e9105ab42661d222189b4d2ef

General

Target

8cc8893d2b59b905d33596bef5263acf2de12b5e9105ab42661d222189b4d2ef.exe
Size

90KB
MD5

6d45dd17326c2734179608450c37e6c0
SHA1

6c5f2f9ca2affc703a40cfbc64aa064e68ca7515
SHA256

8cc8893d2b59b905d33596bef5263acf2de12b5e9105ab42661d222189b4d2ef
SHA512

bd2694fa1c267c105a62ae58ecc8012115d66ea5722fdb5c3b68894058a42ca7f61d8df177ebd73895b042fe0b6f841581c1586283091b0755e830237afa42ca
SSDEEP

1536:oeB1IzDMEfOf2NK1zLZEGGlIg57ur+R7LdtlKDt2/CPj6/xG:dBeGf2NUZEGMqrWK4qz

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1136	system.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
2036	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\12ce4e06a81e8d54fd01d9b762f1b1bb.exe	system.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\12ce4e06a81e8d54fd01d9b762f1b1bb.exe	system.exe

Loads dropped DLL 2 IoCs

pid	Process
1436	8cc8893d2b59b905d33596bef5263acf2de12b5e9105ab42661d222189b4d2ef.exe
1436	8cc8893d2b59b905d33596bef5263acf2de12b5e9105ab42661d222189b4d2ef.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\12ce4e06a81e8d54fd01d9b762f1b1bb = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\12ce4e06a81e8d54fd01d9b762f1b1bb = "\"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 behavior: EnumeratesProcesses 1 IoCs

pid	Process
1136	system.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1136	system.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1436 wrote to memory of 1136	1436	8cc8893d2b59b905d33596bef5263acf2de12b5e9105ab42661d222189b4d2ef.exe	27
PID 1436 wrote to memory of 1136	1436	8cc8893d2b59b905d33596bef5263acf2de12b5e9105ab42661d222189b4d2ef.exe	27
PID 1436 wrote to memory of 1136	1436	8cc8893d2b59b905d33596bef5263acf2de12b5e9105ab42661d222189b4d2ef.exe	27
PID 1436 wrote to memory of 1136	1436	8cc8893d2b59b905d33596bef5263acf2de12b5e9105ab42661d222189b4d2ef.exe	27
PID 1136 wrote to memory of 2036	1136	system.exe	28
PID 1136 wrote to memory of 2036	1136	system.exe	28
PID 1136 wrote to memory of 2036	1136	system.exe	28
PID 1136 wrote to memory of 2036	1136	system.exe	28

C:\Users\Admin\AppData\Local\Temp\8cc8893d2b59b905d33596bef5263acf2de12b5e9105ab42661d222189b4d2ef.exe
"C:\Users\Admin\AppData\Local\Temp\8cc8893d2b59b905d33596bef5263acf2de12b5e9105ab42661d222189b4d2ef.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1436
- 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 behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1136
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\system.exe" "system.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:2036

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\system.exe

Filesize
90KB

MD5
6d45dd17326c2734179608450c37e6c0

SHA1
6c5f2f9ca2affc703a40cfbc64aa064e68ca7515

SHA256
8cc8893d2b59b905d33596bef5263acf2de12b5e9105ab42661d222189b4d2ef

SHA512
bd2694fa1c267c105a62ae58ecc8012115d66ea5722fdb5c3b68894058a42ca7f61d8df177ebd73895b042fe0b6f841581c1586283091b0755e830237afa42ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\system.exe

Filesize
90KB

MD5
6d45dd17326c2734179608450c37e6c0

SHA1
6c5f2f9ca2affc703a40cfbc64aa064e68ca7515

SHA256
8cc8893d2b59b905d33596bef5263acf2de12b5e9105ab42661d222189b4d2ef

SHA512
bd2694fa1c267c105a62ae58ecc8012115d66ea5722fdb5c3b68894058a42ca7f61d8df177ebd73895b042fe0b6f841581c1586283091b0755e830237afa42ca

Download Submit
\Users\Admin\AppData\Local\Temp\system.exe

Filesize
90KB

MD5
6d45dd17326c2734179608450c37e6c0

SHA1
6c5f2f9ca2affc703a40cfbc64aa064e68ca7515

SHA256
8cc8893d2b59b905d33596bef5263acf2de12b5e9105ab42661d222189b4d2ef

SHA512
bd2694fa1c267c105a62ae58ecc8012115d66ea5722fdb5c3b68894058a42ca7f61d8df177ebd73895b042fe0b6f841581c1586283091b0755e830237afa42ca

Download Submit
\Users\Admin\AppData\Local\Temp\system.exe

Filesize
90KB

MD5
6d45dd17326c2734179608450c37e6c0

SHA1
6c5f2f9ca2affc703a40cfbc64aa064e68ca7515

SHA256
8cc8893d2b59b905d33596bef5263acf2de12b5e9105ab42661d222189b4d2ef

SHA512
bd2694fa1c267c105a62ae58ecc8012115d66ea5722fdb5c3b68894058a42ca7f61d8df177ebd73895b042fe0b6f841581c1586283091b0755e830237afa42ca

Download Submit
memory/1136-61-0x0000000000320000-0x000000000033C000-memory.dmp

Filesize
112KB

Download
memory/1436-54-0x0000000001370000-0x000000000138C000-memory.dmp

Filesize
112KB

Download
memory/1436-55-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download

Analysis

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