1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a

General

Target

1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exe
Size

300KB
MD5

2c0e2976b10c2b15669b98d856e73f1e
SHA1

560aea953df8ff852668bd405c2c02319128655b
SHA256

1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a
SHA512

5eb31e0da731c58ef8fc27f3cf04ab918e9dae66e6f8e6b146e275e60ea9599e3ba16f6bb86d4c3fcb03d302569c1d8160270983b1c058225a5659a98855d2e3
SSDEEP

6144:neXPmgf8dV949Y4ZI1+LKDshbrOmswuxBfVKA2vSuEh:qRf8dV949Y4ZI1+LKDshbrOykEvSuEh

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:

seiuta.exe1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	seiuta.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exe

Executes dropped EXE 1 IoCs

Processes:

seiuta.exe

pid process

2036 seiuta.exe

pid	process
2036	seiuta.exe

Loads dropped DLL 2 IoCs

Processes:

1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exe

pid	process
1224	1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exe
1224	1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exe

Adds Run key to start application 2 TTPs 51 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

seiuta.exe1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /e"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /T"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /g"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /a"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /v"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /w"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /K"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /Y"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /P"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /m"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /W"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /j"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /Z"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /J"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /k"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /B"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /x"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /A"	seiuta.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /l"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /r"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /b"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /d"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /Q"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /t"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /c"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /u"	seiuta.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\	1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /o"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /i"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /H"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /y"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /M"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /C"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /E"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /O"	1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /I"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /G"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /D"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /O"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /L"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /h"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /X"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /N"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /f"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /s"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /z"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /S"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /V"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /F"	seiuta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\seiuta = "C:\\Users\\Admin\\seiuta.exe /q"	seiuta.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:

1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exeseiuta.exe

pid	process
1224	1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe
2036	seiuta.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exeseiuta.exe

pid process

1224 1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exe
2036 seiuta.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exe

description	pid	process	target process
PID 1224 wrote to memory of 2036	1224	1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exe	seiuta.exe
PID 1224 wrote to memory of 2036	1224	1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exe	seiuta.exe
PID 1224 wrote to memory of 2036	1224	1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exe	seiuta.exe
PID 1224 wrote to memory of 2036	1224	1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exe	seiuta.exe

C:\Users\Admin\AppData\Local\Temp\1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exe
"C:\Users\Admin\AppData\Local\Temp\1b7bb37c0fef2032ab1e09c001f668e7b43d44a1e445e7a2902fed4a0adc8d5a.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Users\Admin\seiuta.exe
  "C:\Users\Admin\seiuta.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:2036

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\seiuta.exe

Filesize
300KB

MD5
c9322c705c97041f360f3536c67a2f8a

SHA1
3ee4afa6b4b6ace13bdf4d8858b0cd3db42f29c0

SHA256
2c0b57e176a31b635cc6840328500cbf0e4f6cae4c3334b65c23417167570efa

SHA512
1c28b9bae89bbea956fa1e326205f055296e8e5fd3f7a31dab6c13e4b6063bb586caeaa042792a5e8cdd7d390be2ce4cd034f48d15f4f41e9048b9e4d0d47885

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

Filesize
300KB

MD5
c9322c705c97041f360f3536c67a2f8a

SHA1
3ee4afa6b4b6ace13bdf4d8858b0cd3db42f29c0

SHA256
2c0b57e176a31b635cc6840328500cbf0e4f6cae4c3334b65c23417167570efa

SHA512
1c28b9bae89bbea956fa1e326205f055296e8e5fd3f7a31dab6c13e4b6063bb586caeaa042792a5e8cdd7d390be2ce4cd034f48d15f4f41e9048b9e4d0d47885

Download Submit
\Users\Admin\seiuta.exe

Filesize
300KB

MD5
c9322c705c97041f360f3536c67a2f8a

SHA1
3ee4afa6b4b6ace13bdf4d8858b0cd3db42f29c0

SHA256
2c0b57e176a31b635cc6840328500cbf0e4f6cae4c3334b65c23417167570efa

SHA512
1c28b9bae89bbea956fa1e326205f055296e8e5fd3f7a31dab6c13e4b6063bb586caeaa042792a5e8cdd7d390be2ce4cd034f48d15f4f41e9048b9e4d0d47885

Download Submit
\Users\Admin\seiuta.exe

Filesize
300KB

MD5
c9322c705c97041f360f3536c67a2f8a

SHA1
3ee4afa6b4b6ace13bdf4d8858b0cd3db42f29c0

SHA256
2c0b57e176a31b635cc6840328500cbf0e4f6cae4c3334b65c23417167570efa

SHA512
1c28b9bae89bbea956fa1e326205f055296e8e5fd3f7a31dab6c13e4b6063bb586caeaa042792a5e8cdd7d390be2ce4cd034f48d15f4f41e9048b9e4d0d47885

Download Submit
memory/1224-56-0x0000000075C41000-0x0000000075C43000-memory.dmp

Filesize
8KB

Download
memory/2036-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads