88e21ed3c426de5ef66a72fd451e4a97f8c7d60169942e47b7d85d6f33bd4873

General

Target

88e21ed3c426de5ef66a72fd451e4a97f8c7d60169942e47b7d85d6f33bd4873.exe
Size

8.8MB
MD5

10b4f109f82f2dab060cdfe8b9167c61
SHA1

13373d528cd777ba22a6c4b7bab5231f63e4ae5b
SHA256

88e21ed3c426de5ef66a72fd451e4a97f8c7d60169942e47b7d85d6f33bd4873
SHA512

ea72beafccc6962ec10dca3de3c96c4f1dea587c57fc498e09af1c6d3e565a886d1fa8920f48fa256bb9ce73f72a66059d3f8431af200ffa6292e3eb8c7ab6d4
SSDEEP

196608:fnTm6cPlq0PhetcgP2RT+7GU7FrN9Hrmdq5m7Th2KeROQ:q3q0PZTiGUhrNpydqEvh28Q

Score

8^/10

persistence themida

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

ntlhost.exe

pid process

5084 ntlhost.exe

pid	process
5084	ntlhost.exe

Themida packer 10 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1060-132-0x0000000000400000-0x00000000013FA000-memory.dmp	themida
behavioral1/memory/1060-135-0x0000000000400000-0x00000000013FA000-memory.dmp	themida
behavioral1/memory/1060-136-0x0000000000400000-0x00000000013FA000-memory.dmp	themida
behavioral1/memory/1060-139-0x0000000000400000-0x00000000013FA000-memory.dmp	themida
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe	themida
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe	themida
behavioral1/memory/1060-148-0x0000000000400000-0x00000000013FA000-memory.dmp	themida
behavioral1/memory/1060-149-0x0000000000400000-0x00000000013FA000-memory.dmp	themida
behavioral1/memory/5084-150-0x0000000000400000-0x00000000013FA000-memory.dmp	themida
behavioral1/memory/5084-153-0x0000000000400000-0x00000000013FA000-memory.dmp	themida

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

88e21ed3c426de5ef66a72fd451e4a97f8c7d60169942e47b7d85d6f33bd4873.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe"	88e21ed3c426de5ef66a72fd451e4a97f8c7d60169942e47b7d85d6f33bd4873.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

88e21ed3c426de5ef66a72fd451e4a97f8c7d60169942e47b7d85d6f33bd4873.exentlhost.exe

pid	process
1060	88e21ed3c426de5ef66a72fd451e4a97f8c7d60169942e47b7d85d6f33bd4873.exe
1060	88e21ed3c426de5ef66a72fd451e4a97f8c7d60169942e47b7d85d6f33bd4873.exe
5084	ntlhost.exe
5084	ntlhost.exe

GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.

Processes:

description flow ioc

HTTP User-Agent header 33 Go-http-client/1.1

description	flow	ioc
HTTP User-Agent header	33	Go-http-client/1.1

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

88e21ed3c426de5ef66a72fd451e4a97f8c7d60169942e47b7d85d6f33bd4873.exentlhost.exe

pid	process
1060	88e21ed3c426de5ef66a72fd451e4a97f8c7d60169942e47b7d85d6f33bd4873.exe
1060	88e21ed3c426de5ef66a72fd451e4a97f8c7d60169942e47b7d85d6f33bd4873.exe
5084	ntlhost.exe
5084	ntlhost.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

88e21ed3c426de5ef66a72fd451e4a97f8c7d60169942e47b7d85d6f33bd4873.exe

description	pid	process	target process
PID 1060 wrote to memory of 5084	1060	88e21ed3c426de5ef66a72fd451e4a97f8c7d60169942e47b7d85d6f33bd4873.exe	ntlhost.exe
PID 1060 wrote to memory of 5084	1060	88e21ed3c426de5ef66a72fd451e4a97f8c7d60169942e47b7d85d6f33bd4873.exe	ntlhost.exe
PID 1060 wrote to memory of 5084	1060	88e21ed3c426de5ef66a72fd451e4a97f8c7d60169942e47b7d85d6f33bd4873.exe	ntlhost.exe

C:\Users\Admin\AppData\Local\Temp\88e21ed3c426de5ef66a72fd451e4a97f8c7d60169942e47b7d85d6f33bd4873.exe
"C:\Users\Admin\AppData\Local\Temp\88e21ed3c426de5ef66a72fd451e4a97f8c7d60169942e47b7d85d6f33bd4873.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1060

C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:5084

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

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
Filesize
830.8MB

MD5
00abfd6b920730ddd5cfb0da78e2491e

SHA1
cd1cf7cf60ed17d3700a1b139c698440dbe63fdc

SHA256
ae7a19dc02061f83f4d305694e7f554454b64a815f946987dc29da7bce91cd64

SHA512
3ec9ad4d2307d59eeb1501d2b24192c2b1f60776092558c8b195ee6413446a48f198a72153f55bdc905d1794a9becb8d73ee4c312f0daf467ee1e33d5958f4e2

Download Submit
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
Filesize
830.8MB

MD5
00abfd6b920730ddd5cfb0da78e2491e

SHA1
cd1cf7cf60ed17d3700a1b139c698440dbe63fdc

SHA256
ae7a19dc02061f83f4d305694e7f554454b64a815f946987dc29da7bce91cd64

SHA512
3ec9ad4d2307d59eeb1501d2b24192c2b1f60776092558c8b195ee6413446a48f198a72153f55bdc905d1794a9becb8d73ee4c312f0daf467ee1e33d5958f4e2

Download Submit
memory/1060-148-0x0000000000400000-0x00000000013FA000-memory.dmp

Filesize
16.0MB

Download
memory/1060-139-0x0000000000400000-0x00000000013FA000-memory.dmp

Filesize
16.0MB

Download
memory/1060-137-0x0000000003700000-0x0000000003B03000-memory.dmp

Filesize
4.0MB

Download
memory/1060-142-0x0000000001450000-0x0000000001452000-memory.dmp

Filesize
8KB

Download
memory/1060-136-0x0000000000400000-0x00000000013FA000-memory.dmp

Filesize
16.0MB

Download
memory/1060-135-0x0000000000400000-0x00000000013FA000-memory.dmp

Filesize
16.0MB

Download
memory/1060-132-0x0000000000400000-0x00000000013FA000-memory.dmp

Filesize
16.0MB

Download
memory/1060-149-0x0000000000400000-0x00000000013FA000-memory.dmp

Filesize
16.0MB

Download
memory/5084-145-0x0000000000000000-mapping.dmp

Download
memory/5084-150-0x0000000000400000-0x00000000013FA000-memory.dmp

Filesize
16.0MB

Download
memory/5084-153-0x0000000000400000-0x00000000013FA000-memory.dmp

Filesize
16.0MB

Download
memory/5084-154-0x0000000003610000-0x0000000003A13000-memory.dmp

Filesize
4.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads