aa305c826cfb235b5741ccd1c36fe44c67819447424fbfdefae798c247f7ad43

General

Target

index.exe
Size

510KB
MD5

7c1a4c9622e4b76e03aa95e55d9ff895
SHA1

25b3129ea5a77afdc84fb80923f21689f75a9205
SHA256

aa305c826cfb235b5741ccd1c36fe44c67819447424fbfdefae798c247f7ad43
SHA512

f0a5e7038127c0de6a91066d4379b88648b82ba49aeb8f3061b684d81c4f1f3799deade0c6be340cc8e8fa0da2cd85d3b824b5297026ee44c626e6add6320d81

Score

8^/10

persistence spyware

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

index.exeindex.exe

pid process

1576 index.exe
1872 index.exe
Loads dropped DLL 1 IoCs

Processes:

index.exe

pid process

1088 index.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1576	index.exe
1872	index.exe

pid	process
1088	index.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

index.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\index = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\index.exe -boot"	index.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

index.exe

description pid process target process

PID 1576 set thread context of 1872 1576 index.exe index.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

index.exe

pid process

1872 index.exe
1872 index.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

index.exeindex.exeindex.exe

description pid process

Token: SeDebugPrivilege 1088 index.exe
Token: SeDebugPrivilege 1576 index.exe
Token: SeDebugPrivilege 1872 index.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

index.exe

pid process

1872 index.exe

flow	ioc
5	checkip.dyndns.org

description	pid	process	target process
PID 1576 set thread context of 1872	1576	index.exe	index.exe

pid	process
1872	index.exe
1872	index.exe

description	pid	process
Token: SeDebugPrivilege	1088	index.exe
Token: SeDebugPrivilege	1576	index.exe
Token: SeDebugPrivilege	1872	index.exe

pid	process
1872	index.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

index.exeindex.exe

description	pid	process	target process
PID 1088 wrote to memory of 1576	1088	index.exe	index.exe
PID 1088 wrote to memory of 1576	1088	index.exe	index.exe
PID 1088 wrote to memory of 1576	1088	index.exe	index.exe
PID 1088 wrote to memory of 1576	1088	index.exe	index.exe
PID 1576 wrote to memory of 1872	1576	index.exe	index.exe
PID 1576 wrote to memory of 1872	1576	index.exe	index.exe
PID 1576 wrote to memory of 1872	1576	index.exe	index.exe
PID 1576 wrote to memory of 1872	1576	index.exe	index.exe
PID 1576 wrote to memory of 1872	1576	index.exe	index.exe
PID 1576 wrote to memory of 1872	1576	index.exe	index.exe
PID 1576 wrote to memory of 1872	1576	index.exe	index.exe
PID 1576 wrote to memory of 1872	1576	index.exe	index.exe
PID 1576 wrote to memory of 1872	1576	index.exe	index.exe

C:\Users\Admin\AppData\Local\Temp\index.exe
"C:\Users\Admin\AppData\Local\Temp\index.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1088

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1576

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1872

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe
MD5
7c1a4c9622e4b76e03aa95e55d9ff895

SHA1
25b3129ea5a77afdc84fb80923f21689f75a9205

SHA256
aa305c826cfb235b5741ccd1c36fe44c67819447424fbfdefae798c247f7ad43

SHA512
f0a5e7038127c0de6a91066d4379b88648b82ba49aeb8f3061b684d81c4f1f3799deade0c6be340cc8e8fa0da2cd85d3b824b5297026ee44c626e6add6320d81

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe
MD5
7c1a4c9622e4b76e03aa95e55d9ff895

SHA1
25b3129ea5a77afdc84fb80923f21689f75a9205

SHA256
aa305c826cfb235b5741ccd1c36fe44c67819447424fbfdefae798c247f7ad43

SHA512
f0a5e7038127c0de6a91066d4379b88648b82ba49aeb8f3061b684d81c4f1f3799deade0c6be340cc8e8fa0da2cd85d3b824b5297026ee44c626e6add6320d81

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe
MD5
7c1a4c9622e4b76e03aa95e55d9ff895

SHA1
25b3129ea5a77afdc84fb80923f21689f75a9205

SHA256
aa305c826cfb235b5741ccd1c36fe44c67819447424fbfdefae798c247f7ad43

SHA512
f0a5e7038127c0de6a91066d4379b88648b82ba49aeb8f3061b684d81c4f1f3799deade0c6be340cc8e8fa0da2cd85d3b824b5297026ee44c626e6add6320d81

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe
MD5
7c1a4c9622e4b76e03aa95e55d9ff895

SHA1
25b3129ea5a77afdc84fb80923f21689f75a9205

SHA256
aa305c826cfb235b5741ccd1c36fe44c67819447424fbfdefae798c247f7ad43

SHA512
f0a5e7038127c0de6a91066d4379b88648b82ba49aeb8f3061b684d81c4f1f3799deade0c6be340cc8e8fa0da2cd85d3b824b5297026ee44c626e6add6320d81

Download Submit
memory/520-8-0x000007FEF6980000-0x000007FEF6BFA000-memory.dmp

Filesize
2.5MB

Download
memory/1576-1-0x0000000000000000-mapping.dmp

Download
memory/1872-4-0x0000000000402000-0x0000000000434000-memory.dmp

Filesize
200KB

Download
memory/1872-6-0x0000000000400000-0x0000000000400200-memory.dmp

Filesize
512B

Download
memory/1872-7-0x0000000000402000-0x0000000000434000-memory.dmp

Filesize
200KB

Download

Analysis

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