7c4177f841e33098ff6c34c8bd7c31b9f26e81593c3fbac4bf6833edb1f87471

General

Target

7c4177f841e33098ff6c34c8bd7c31b9f26e81593c3fbac4bf6833edb1f87471.exe
Size

103KB
MD5

6134ec7d1283de4eaaa6fec2a8506768
SHA1

673238ff49a3168d01678bdcb5c950b66edbc88a
SHA256

7c4177f841e33098ff6c34c8bd7c31b9f26e81593c3fbac4bf6833edb1f87471
SHA512

44245dee219f1d7c7d6c2d65e4a00465df1d0db9a22e918eea413cf38a4fa4b62b687da9d6b6dcaa344ec15bd7986c12756984dbc61addcdb6d001072948d7dd
SSDEEP

1536:T+nJ8sXNh0ReMTPu/J3li7ynvuI4yso7ULr1ifvAs8i87+DktUC:6J8kNiRR7O3l9v0yuEfvA/i87qDC

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

1232 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1956 netsh.exe

pid	process
1232	server.exe

pid	process
1956	netsh.exe

Drops startup file 2 IoCs

Processes:

server.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\61337ec97b4fdd50ed301f424ea2ca76.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\61337ec97b4fdd50ed301f424ea2ca76.exe	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\61337ec97b4fdd50ed301f424ea2ca76 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\61337ec97b4fdd50ed301f424ea2ca76 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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 19 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	1232	server.exe
Token: 33	1232	server.exe
Token: SeIncBasePriorityPrivilege	1232	server.exe
Token: 33	1232	server.exe
Token: SeIncBasePriorityPrivilege	1232	server.exe
Token: 33	1232	server.exe
Token: SeIncBasePriorityPrivilege	1232	server.exe
Token: 33	1232	server.exe
Token: SeIncBasePriorityPrivilege	1232	server.exe
Token: 33	1232	server.exe
Token: SeIncBasePriorityPrivilege	1232	server.exe
Token: 33	1232	server.exe
Token: SeIncBasePriorityPrivilege	1232	server.exe
Token: 33	1232	server.exe
Token: SeIncBasePriorityPrivilege	1232	server.exe
Token: 33	1232	server.exe
Token: SeIncBasePriorityPrivilege	1232	server.exe
Token: 33	1232	server.exe
Token: SeIncBasePriorityPrivilege	1232	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

7c4177f841e33098ff6c34c8bd7c31b9f26e81593c3fbac4bf6833edb1f87471.exeserver.exe

description	pid	process	target process
PID 1912 wrote to memory of 1232	1912	7c4177f841e33098ff6c34c8bd7c31b9f26e81593c3fbac4bf6833edb1f87471.exe	server.exe
PID 1912 wrote to memory of 1232	1912	7c4177f841e33098ff6c34c8bd7c31b9f26e81593c3fbac4bf6833edb1f87471.exe	server.exe
PID 1912 wrote to memory of 1232	1912	7c4177f841e33098ff6c34c8bd7c31b9f26e81593c3fbac4bf6833edb1f87471.exe	server.exe
PID 1232 wrote to memory of 1956	1232	server.exe	netsh.exe
PID 1232 wrote to memory of 1956	1232	server.exe	netsh.exe
PID 1232 wrote to memory of 1956	1232	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\7c4177f841e33098ff6c34c8bd7c31b9f26e81593c3fbac4bf6833edb1f87471.exe
"C:\Users\Admin\AppData\Local\Temp\7c4177f841e33098ff6c34c8bd7c31b9f26e81593c3fbac4bf6833edb1f87471.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1912

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232

C:\Windows\system32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1956

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

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Downloads

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

Filesize
103KB

MD5
6134ec7d1283de4eaaa6fec2a8506768

SHA1
673238ff49a3168d01678bdcb5c950b66edbc88a

SHA256
7c4177f841e33098ff6c34c8bd7c31b9f26e81593c3fbac4bf6833edb1f87471

SHA512
44245dee219f1d7c7d6c2d65e4a00465df1d0db9a22e918eea413cf38a4fa4b62b687da9d6b6dcaa344ec15bd7986c12756984dbc61addcdb6d001072948d7dd

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

Filesize
103KB

MD5
6134ec7d1283de4eaaa6fec2a8506768

SHA1
673238ff49a3168d01678bdcb5c950b66edbc88a

SHA256
7c4177f841e33098ff6c34c8bd7c31b9f26e81593c3fbac4bf6833edb1f87471

SHA512
44245dee219f1d7c7d6c2d65e4a00465df1d0db9a22e918eea413cf38a4fa4b62b687da9d6b6dcaa344ec15bd7986c12756984dbc61addcdb6d001072948d7dd

Download Submit
memory/1232-63-0x0000000000A96000-0x0000000000AB5000-memory.dmp

Filesize
124KB

Download
memory/1232-57-0x0000000000000000-mapping.dmp

Download
memory/1232-61-0x000007FEF38C0000-0x000007FEF42E3000-memory.dmp

Filesize
10.1MB

Download
memory/1232-62-0x000007FEF25E0000-0x000007FEF3676000-memory.dmp

Filesize
16.6MB

Download
memory/1232-66-0x0000000000A96000-0x0000000000AB5000-memory.dmp

Filesize
124KB

Download
memory/1912-56-0x0000000002286000-0x00000000022A5000-memory.dmp

Filesize
124KB

Download
memory/1912-55-0x000007FEF25E0000-0x000007FEF3676000-memory.dmp

Filesize
16.6MB

Download
memory/1912-60-0x0000000002286000-0x00000000022A5000-memory.dmp

Filesize
124KB

Download
memory/1912-54-0x000007FEF38C0000-0x000007FEF42E3000-memory.dmp

Filesize
10.1MB

Download
memory/1956-64-0x0000000000000000-mapping.dmp

Download
memory/1956-65-0x000007FEFBE41000-0x000007FEFBE43000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads