380cce3fb385a0bac70106c8840a7bde767e3264bcaadb4ea12bf79f5fde8c40

General

Target

380cce3fb385a0bac70106c8840a7bde767e3264bcaadb4ea12bf79f5fde8c40.exe
Size

1.6MB
MD5

f450b12ec73dc7b8bac81eada753532d
SHA1

84e22daf20b0fc509b73feea0d2f03189023989a
SHA256

380cce3fb385a0bac70106c8840a7bde767e3264bcaadb4ea12bf79f5fde8c40
SHA512

1e5037beb3ed3b218c93f806660096abe1684cdcaeb0f663e40231f5bfb2e6e4277c4145eed2bd0a5f6076d9e54d87811dffab1d7181d01c41a5e89a93d73693
SSDEEP

24576:g+NQ4OWa9YEg72Nip6HBSI3ArnwUD8V7SKfq76nj+:gD4OX9YEg7iip6HZ3ArnwY47S8q76

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1736	server.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
620	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\60bb58d6d94ca20a9f2e618323dff96e.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\60bb58d6d94ca20a9f2e618323dff96e.exe	server.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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\60bb58d6d94ca20a9f2e618323dff96e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\60bb58d6d94ca20a9f2e618323dff96e = "\"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 17 IoCs

description	pid	Process
Token: SeDebugPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe
Token: 33	1736	server.exe
Token: SeIncBasePriorityPrivilege	1736	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 1736	1204	380cce3fb385a0bac70106c8840a7bde767e3264bcaadb4ea12bf79f5fde8c40.exe	27
PID 1204 wrote to memory of 1736	1204	380cce3fb385a0bac70106c8840a7bde767e3264bcaadb4ea12bf79f5fde8c40.exe	27
PID 1204 wrote to memory of 1736	1204	380cce3fb385a0bac70106c8840a7bde767e3264bcaadb4ea12bf79f5fde8c40.exe	27
PID 1736 wrote to memory of 620	1736	server.exe	28
PID 1736 wrote to memory of 620	1736	server.exe	28
PID 1736 wrote to memory of 620	1736	server.exe	28

C:\Users\Admin\AppData\Local\Temp\380cce3fb385a0bac70106c8840a7bde767e3264bcaadb4ea12bf79f5fde8c40.exe
"C:\Users\Admin\AppData\Local\Temp\380cce3fb385a0bac70106c8840a7bde767e3264bcaadb4ea12bf79f5fde8c40.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1204
- 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:1736
- - 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:620

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\server.exe

Filesize
1.6MB

MD5
f450b12ec73dc7b8bac81eada753532d

SHA1
84e22daf20b0fc509b73feea0d2f03189023989a

SHA256
380cce3fb385a0bac70106c8840a7bde767e3264bcaadb4ea12bf79f5fde8c40

SHA512
1e5037beb3ed3b218c93f806660096abe1684cdcaeb0f663e40231f5bfb2e6e4277c4145eed2bd0a5f6076d9e54d87811dffab1d7181d01c41a5e89a93d73693

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

Filesize
1.6MB

MD5
f450b12ec73dc7b8bac81eada753532d

SHA1
84e22daf20b0fc509b73feea0d2f03189023989a

SHA256
380cce3fb385a0bac70106c8840a7bde767e3264bcaadb4ea12bf79f5fde8c40

SHA512
1e5037beb3ed3b218c93f806660096abe1684cdcaeb0f663e40231f5bfb2e6e4277c4145eed2bd0a5f6076d9e54d87811dffab1d7181d01c41a5e89a93d73693

Download Submit
memory/620-65-0x000007FEFB741000-0x000007FEFB743000-memory.dmp

Filesize
8KB

Download
memory/1204-55-0x000007FEF2A80000-0x000007FEF3B16000-memory.dmp

Filesize
16.6MB

Download
memory/1204-56-0x0000000000A26000-0x0000000000A45000-memory.dmp

Filesize
124KB

Download
memory/1204-54-0x000007FEF3D60000-0x000007FEF4783000-memory.dmp

Filesize
10.1MB

Download
memory/1204-60-0x0000000000A26000-0x0000000000A45000-memory.dmp

Filesize
124KB

Download
memory/1736-63-0x0000000000B56000-0x0000000000B75000-memory.dmp

Filesize
124KB

Download
memory/1736-62-0x000007FEF2840000-0x000007FEF38D6000-memory.dmp

Filesize
16.6MB

Download
memory/1736-61-0x000007FEF3D60000-0x000007FEF4783000-memory.dmp

Filesize
10.1MB

Download
memory/1736-66-0x0000000000B56000-0x0000000000B75000-memory.dmp

Filesize
124KB

Download

Analysis

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