73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502

General

Target

73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502.exe
Size

224KB
MD5

173d587752501adc66abc51591ddd7b0
SHA1

c3e4fcbebb3f54093ef225e8bf27b8c6a6bc7079
SHA256

73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502
SHA512

27ceac3c9b575bc043293061baa2a412182149744c4ab72cd0e4c28fd8d1b9b8326320bf48d078b60de5d7ff1ffd70664206c89279603f8d42193b5fe0b7b059
SSDEEP

3072:RXyqNsMoBuBoZVpl2mclbj4Uvx+8ysNOu+2eRcKksU61JkkX39RLrw4ySKUbax26:gqN5BMp4LnbmlrZW

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502.exepaaok.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	paaok.exe

Executes dropped EXE 1 IoCs

Processes:

paaok.exe

pid process

4744 paaok.exe

pid	process
4744	paaok.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502.exepaaok.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\	73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /c"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /b"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /n"	73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /h"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /t"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /n"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /s"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /e"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /l"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /i"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /j"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /k"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /p"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /a"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /y"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /d"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /v"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /r"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /u"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /x"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /m"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /w"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /o"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /z"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /f"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /q"	paaok.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paaok = "C:\\Users\\Admin\\paaok.exe /g"	paaok.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502.exepaaok.exe

pid	process
2148	73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502.exe
2148	73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe
4744	paaok.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502.exepaaok.exe

pid process

2148 73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502.exe
4744 paaok.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502.exe

description	pid	process	target process
PID 2148 wrote to memory of 4744	2148	73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502.exe	paaok.exe
PID 2148 wrote to memory of 4744	2148	73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502.exe	paaok.exe
PID 2148 wrote to memory of 4744	2148	73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502.exe	paaok.exe

C:\Users\Admin\AppData\Local\Temp\73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502.exe
"C:\Users\Admin\AppData\Local\Temp\73a7cefe584655a547a42fc55846ad704e15cf8829b25fd41f36d5c5bcd5f502.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2148

C:\Users\Admin\paaok.exe
"C:\Users\Admin\paaok.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4744

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1

T1158

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\paaok.exe
Filesize
224KB

MD5
59c834e5ad41a09569ee833e2121f4c9

SHA1
bf29f7b8696601e5fb541147da9af9ca94d5e42c

SHA256
3a2028bbd5b0c9548d412ebed8d1dd9acb8b30eeb0eb8cdfff0ee05aacb5d639

SHA512
5a7976f857861d1aacf23a6f7a1e26366c4cb601cac47c19e3d1530536d341a9564c3f96ac8ea038c24119b793a575e43327ea5cc3d5a22de0e147c31da710bb

Download Submit
C:\Users\Admin\paaok.exe
Filesize
224KB

MD5
59c834e5ad41a09569ee833e2121f4c9

SHA1
bf29f7b8696601e5fb541147da9af9ca94d5e42c

SHA256
3a2028bbd5b0c9548d412ebed8d1dd9acb8b30eeb0eb8cdfff0ee05aacb5d639

SHA512
5a7976f857861d1aacf23a6f7a1e26366c4cb601cac47c19e3d1530536d341a9564c3f96ac8ea038c24119b793a575e43327ea5cc3d5a22de0e147c31da710bb

Download Submit
memory/2148-132-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2148-141-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4744-135-0x0000000000000000-mapping.dmp

Download
memory/4744-140-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4744-142-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads