150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d

General

Target

150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exe
Size

308KB
MD5

06cce00d8c251522188138493a198270
SHA1

12c92067f53af07d94f0f98082cf0e9c13a2e988
SHA256

150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d
SHA512

f08cb8fd3c4804a91d8093bb401d3347505fd6db1f0fc9c47aab45cc8fd8b41bbbfe26fdf3504fb307b56de472216b0d5b391ffab9df65dd903ba7dd17109eb0
SSDEEP

3072:J3BE7ckeKkAhDQMXR/zJv4OjZe4gZTUHwkK8hmDA4dCuh8PMAGLNVVgiIMU3BDn2:FCeMzXR/zjjZe4owHe8hAAKX8PgNph

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:

150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exetieafa.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	tieafa.exe

Executes dropped EXE 1 IoCs

Processes:

tieafa.exe

pid process

1408 tieafa.exe

pid	process
1408	tieafa.exe

Loads dropped DLL 2 IoCs

Processes:

150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exe

pid	process
1948	150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exe
1948	150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

tieafa.exe150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /v"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /j"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /i"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /t"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /g"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /e"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /u"	150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /f"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /k"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /u"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /c"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /o"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /q"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /s"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /x"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /h"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /p"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /b"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /n"	tieafa.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\	150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /a"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /l"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /d"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /m"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /w"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /r"	tieafa.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /z"	tieafa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\tieafa = "C:\\Users\\Admin\\tieafa.exe /y"	tieafa.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exetieafa.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	tieafa.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	tieafa.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:

150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exetieafa.exe

pid	process
1948	150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exe
1408	tieafa.exe
1408	tieafa.exe
1408	tieafa.exe
1408	tieafa.exe
1408	tieafa.exe
1408	tieafa.exe
1408	tieafa.exe
1408	tieafa.exe
1408	tieafa.exe
1408	tieafa.exe
1408	tieafa.exe
1408	tieafa.exe
1408	tieafa.exe
1408	tieafa.exe
1408	tieafa.exe
1408	tieafa.exe
1408	tieafa.exe
1408	tieafa.exe
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1408	tieafa.exe
1408	tieafa.exe
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1408	tieafa.exe
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1408	tieafa.exe
1408	tieafa.exe
1408	tieafa.exe
1408	tieafa.exe
1408	tieafa.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exetieafa.exe

pid process

1948 150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exe
1408 tieafa.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exe

description	pid	process	target process
PID 1948 wrote to memory of 1408	1948	150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exe	tieafa.exe
PID 1948 wrote to memory of 1408	1948	150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exe	tieafa.exe
PID 1948 wrote to memory of 1408	1948	150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exe	tieafa.exe
PID 1948 wrote to memory of 1408	1948	150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exe	tieafa.exe

C:\Users\Admin\AppData\Local\Temp\150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exe
"C:\Users\Admin\AppData\Local\Temp\150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1948

C:\Users\Admin\tieafa.exe
"C:\Users\Admin\tieafa.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1408

Network

MITRE ATT&CK Enterprise 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

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\tieafa.exe

Filesize
308KB

MD5
06cce00d8c251522188138493a198270

SHA1
12c92067f53af07d94f0f98082cf0e9c13a2e988

SHA256
150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d

SHA512
f08cb8fd3c4804a91d8093bb401d3347505fd6db1f0fc9c47aab45cc8fd8b41bbbfe26fdf3504fb307b56de472216b0d5b391ffab9df65dd903ba7dd17109eb0

Download Submit
C:\Users\Admin\tieafa.exe

Filesize
308KB

MD5
06cce00d8c251522188138493a198270

SHA1
12c92067f53af07d94f0f98082cf0e9c13a2e988

SHA256
150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d

SHA512
f08cb8fd3c4804a91d8093bb401d3347505fd6db1f0fc9c47aab45cc8fd8b41bbbfe26fdf3504fb307b56de472216b0d5b391ffab9df65dd903ba7dd17109eb0

Download Submit
\Users\Admin\tieafa.exe

Filesize
308KB

MD5
06cce00d8c251522188138493a198270

SHA1
12c92067f53af07d94f0f98082cf0e9c13a2e988

SHA256
150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d

SHA512
f08cb8fd3c4804a91d8093bb401d3347505fd6db1f0fc9c47aab45cc8fd8b41bbbfe26fdf3504fb307b56de472216b0d5b391ffab9df65dd903ba7dd17109eb0

Download Submit
\Users\Admin\tieafa.exe

Filesize
308KB

MD5
06cce00d8c251522188138493a198270

SHA1
12c92067f53af07d94f0f98082cf0e9c13a2e988

SHA256
150b26905bcdc895fd6137734cd54d88f09d8e0465cf05f0c68f8be85ac4f47d

SHA512
f08cb8fd3c4804a91d8093bb401d3347505fd6db1f0fc9c47aab45cc8fd8b41bbbfe26fdf3504fb307b56de472216b0d5b391ffab9df65dd903ba7dd17109eb0

Download Submit
memory/1408-59-0x0000000000000000-mapping.dmp

Download
memory/1948-56-0x00000000762F1000-0x00000000762F3000-memory.dmp

Filesize
8KB

Download
memory/1948-63-0x0000000074E21000-0x0000000074E23000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads