9961bdd2fd6101e3dd81642594c95fdb7f8936e14172d31cf1d7ea2342959aca

General

Target

9961bdd2fd6101e3dd81642594c95fdb7f8936e14172d31cf1d7ea2342959aca.exe
Size

301KB
MD5

bca1c2bf4ec78ebdfa0ee1e146d651a8
SHA1

62ac3210b0af946d3b1bcbdfb486c49a49d10ff9
SHA256

9961bdd2fd6101e3dd81642594c95fdb7f8936e14172d31cf1d7ea2342959aca
SHA512

4d04ef94e9afc0ba4fdb4a8f38abe135af49d0a5d1debd37c761d4887ea3cc56bc34fca2db1b97a8502bda35391dad58870c310406a9818c959c336789aa4ceb
SSDEEP

3072:LF1NCZO5gFnzasp+BvZCqP3NnIRFIGNAkAJKDU6+TPvtcs2n40v1sR2s:YxTM7GKkAE+TPvtun4xs

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

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

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

988 netsh.exe

pid	process
268	server.exe

pid	process
988	netsh.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\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\87173d0078b7305a3dec8884347c9601 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\87173d0078b7305a3dec8884347c9601 = "\"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 18 IoCs

Processes:

9961bdd2fd6101e3dd81642594c95fdb7f8936e14172d31cf1d7ea2342959aca.exeserver.exe

description	pid	process
Token: SeDebugPrivilege	1332	9961bdd2fd6101e3dd81642594c95fdb7f8936e14172d31cf1d7ea2342959aca.exe
Token: 33	1332	9961bdd2fd6101e3dd81642594c95fdb7f8936e14172d31cf1d7ea2342959aca.exe
Token: SeIncBasePriorityPrivilege	1332	9961bdd2fd6101e3dd81642594c95fdb7f8936e14172d31cf1d7ea2342959aca.exe
Token: SeDebugPrivilege	268	server.exe
Token: 33	268	server.exe
Token: SeIncBasePriorityPrivilege	268	server.exe
Token: 33	268	server.exe
Token: SeIncBasePriorityPrivilege	268	server.exe
Token: 33	268	server.exe
Token: SeIncBasePriorityPrivilege	268	server.exe
Token: 33	268	server.exe
Token: SeIncBasePriorityPrivilege	268	server.exe
Token: 33	268	server.exe
Token: SeIncBasePriorityPrivilege	268	server.exe
Token: 33	268	server.exe
Token: SeIncBasePriorityPrivilege	268	server.exe
Token: 33	268	server.exe
Token: SeIncBasePriorityPrivilege	268	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9961bdd2fd6101e3dd81642594c95fdb7f8936e14172d31cf1d7ea2342959aca.exeserver.exe

description	pid	process	target process
PID 1332 wrote to memory of 268	1332	9961bdd2fd6101e3dd81642594c95fdb7f8936e14172d31cf1d7ea2342959aca.exe	server.exe
PID 1332 wrote to memory of 268	1332	9961bdd2fd6101e3dd81642594c95fdb7f8936e14172d31cf1d7ea2342959aca.exe	server.exe
PID 1332 wrote to memory of 268	1332	9961bdd2fd6101e3dd81642594c95fdb7f8936e14172d31cf1d7ea2342959aca.exe	server.exe
PID 268 wrote to memory of 988	268	server.exe	netsh.exe
PID 268 wrote to memory of 988	268	server.exe	netsh.exe
PID 268 wrote to memory of 988	268	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\9961bdd2fd6101e3dd81642594c95fdb7f8936e14172d31cf1d7ea2342959aca.exe
"C:\Users\Admin\AppData\Local\Temp\9961bdd2fd6101e3dd81642594c95fdb7f8936e14172d31cf1d7ea2342959aca.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1332

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:268

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:988

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\server.exe
Filesize
301KB

MD5
bca1c2bf4ec78ebdfa0ee1e146d651a8

SHA1
62ac3210b0af946d3b1bcbdfb486c49a49d10ff9

SHA256
9961bdd2fd6101e3dd81642594c95fdb7f8936e14172d31cf1d7ea2342959aca

SHA512
4d04ef94e9afc0ba4fdb4a8f38abe135af49d0a5d1debd37c761d4887ea3cc56bc34fca2db1b97a8502bda35391dad58870c310406a9818c959c336789aa4ceb

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
301KB

MD5
bca1c2bf4ec78ebdfa0ee1e146d651a8

SHA1
62ac3210b0af946d3b1bcbdfb486c49a49d10ff9

SHA256
9961bdd2fd6101e3dd81642594c95fdb7f8936e14172d31cf1d7ea2342959aca

SHA512
4d04ef94e9afc0ba4fdb4a8f38abe135af49d0a5d1debd37c761d4887ea3cc56bc34fca2db1b97a8502bda35391dad58870c310406a9818c959c336789aa4ceb

Download Submit
memory/268-58-0x0000000000000000-mapping.dmp

Download
memory/268-61-0x000007FEF3510000-0x000007FEF3F33000-memory.dmp

Filesize
10.1MB

Download
memory/268-62-0x000007FEF44B0000-0x000007FEF4970000-memory.dmp

Filesize
4.8MB

Download
memory/268-63-0x000007FEF2470000-0x000007FEF3506000-memory.dmp

Filesize
16.6MB

Download
memory/988-64-0x0000000000000000-mapping.dmp

Download
memory/1332-54-0x000007FEF3F40000-0x000007FEF4963000-memory.dmp

Filesize
10.1MB

Download
memory/1332-55-0x000007FEF3A80000-0x000007FEF3F40000-memory.dmp

Filesize
4.8MB

Download
memory/1332-56-0x000007FEF29E0000-0x000007FEF3A76000-memory.dmp

Filesize
16.6MB

Download
memory/1332-57-0x000007FEFB8F1000-0x000007FEFB8F3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads