c4a0d874ecbaf3865c3907f3fbd89014b5953cb9d5c8ca69a72c1a83e2143e96

General

Target

c4a0d874ecbaf3865c3907f3fbd89014b5953cb9d5c8ca69a72c1a83e2143e96.exe
Size

207KB
MD5

1dd570fecefd5c56cb21ed7ee72c8b41
SHA1

0fb3a84783f1342cc68afa053961f16d1280ea6e
SHA256

c4a0d874ecbaf3865c3907f3fbd89014b5953cb9d5c8ca69a72c1a83e2143e96
SHA512

ff9ebebb8bb2e8ee414477dff5a95542dc5d8ba25c63c1c2c45adac6ecfd9bfbe08e8bf32c564fa30601a2e4ae02f6f017ae0491383740a11d778e4d3e2a3589
SSDEEP

3072:m9Va9YHpRXusg+nNAxL70OUizr1QtrXvtQo+r+D2fL5rC63Q77NOmYZAWkdJqxLu:Hf9dQ7JQ3kdM/9ikg/8KJnz8

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

explorer.exe

pid process

588 explorer.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

568 netsh.exe

pid	process
588	explorer.exe

pid	process
568	netsh.exe

Drops startup file 2 IoCs

Processes:

explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\08f4dc96bbb7af09d1a37fe35c75a42f.exe	explorer.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\08f4dc96bbb7af09d1a37fe35c75a42f.exe	explorer.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\08f4dc96bbb7af09d1a37fe35c75a42f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\explorer.exe\" .."	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\08f4dc96bbb7af09d1a37fe35c75a42f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\explorer.exe\" .."	explorer.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

Processes:

explorer.exe

pid process

588 explorer.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

explorer.exe

description pid process

Token: SeDebugPrivilege 588 explorer.exe

pid	process
588	explorer.exe

description	pid	process
Token: SeDebugPrivilege	588	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

c4a0d874ecbaf3865c3907f3fbd89014b5953cb9d5c8ca69a72c1a83e2143e96.exeexplorer.exe

description	pid	process	target process
PID 516 wrote to memory of 588	516	c4a0d874ecbaf3865c3907f3fbd89014b5953cb9d5c8ca69a72c1a83e2143e96.exe	explorer.exe
PID 516 wrote to memory of 588	516	c4a0d874ecbaf3865c3907f3fbd89014b5953cb9d5c8ca69a72c1a83e2143e96.exe	explorer.exe
PID 516 wrote to memory of 588	516	c4a0d874ecbaf3865c3907f3fbd89014b5953cb9d5c8ca69a72c1a83e2143e96.exe	explorer.exe
PID 588 wrote to memory of 568	588	explorer.exe	netsh.exe
PID 588 wrote to memory of 568	588	explorer.exe	netsh.exe
PID 588 wrote to memory of 568	588	explorer.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\c4a0d874ecbaf3865c3907f3fbd89014b5953cb9d5c8ca69a72c1a83e2143e96.exe
"C:\Users\Admin\AppData\Local\Temp\c4a0d874ecbaf3865c3907f3fbd89014b5953cb9d5c8ca69a72c1a83e2143e96.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:516

C:\Users\Admin\AppData\Local\Temp\explorer.exe
"C:\Users\Admin\AppData\Local\Temp\explorer.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:588

C:\Windows\system32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\explorer.exe" "explorer.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:568

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\explorer.exe
Filesize
207KB

MD5
1dd570fecefd5c56cb21ed7ee72c8b41

SHA1
0fb3a84783f1342cc68afa053961f16d1280ea6e

SHA256
c4a0d874ecbaf3865c3907f3fbd89014b5953cb9d5c8ca69a72c1a83e2143e96

SHA512
ff9ebebb8bb2e8ee414477dff5a95542dc5d8ba25c63c1c2c45adac6ecfd9bfbe08e8bf32c564fa30601a2e4ae02f6f017ae0491383740a11d778e4d3e2a3589

Download Submit
C:\Users\Admin\AppData\Local\Temp\explorer.exe
Filesize
207KB

MD5
1dd570fecefd5c56cb21ed7ee72c8b41

SHA1
0fb3a84783f1342cc68afa053961f16d1280ea6e

SHA256
c4a0d874ecbaf3865c3907f3fbd89014b5953cb9d5c8ca69a72c1a83e2143e96

SHA512
ff9ebebb8bb2e8ee414477dff5a95542dc5d8ba25c63c1c2c45adac6ecfd9bfbe08e8bf32c564fa30601a2e4ae02f6f017ae0491383740a11d778e4d3e2a3589

Download Submit
memory/516-54-0x000007FEF3290000-0x000007FEF3CB3000-memory.dmp

Filesize
10.1MB

Download
memory/516-55-0x000007FEF15D0000-0x000007FEF2666000-memory.dmp

Filesize
16.6MB

Download
memory/516-56-0x000007FEFB641000-0x000007FEFB643000-memory.dmp

Filesize
8KB

Download
memory/568-62-0x0000000000000000-mapping.dmp

Download
memory/588-57-0x0000000000000000-mapping.dmp

Download
memory/588-60-0x000007FEF3290000-0x000007FEF3CB3000-memory.dmp

Filesize
10.1MB

Download
memory/588-61-0x000007FEF15D0000-0x000007FEF2666000-memory.dmp

Filesize
16.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads