1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88

General

Target

1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88.exe
Size

224KB
MD5

165da37ff60e1a16bb29d6529a6e38c9
SHA1

235fc1f44df435e02135d6266e149194a81b492a
SHA256

1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88
SHA512

ad9e6cf3b917934ce4220c9d082c47e10b203801acfc7b23e52afda855cea302da95f25213e7340c5ca9dc1d9f7a4b91f94bf1875c6e2529ca829508e43991dd
SSDEEP

3072:EXyqNsMoBu8ZVpl2mclbj4Uvx+8ysNOu+2eRcKksU61JkkX39RLrw4ySKUbax2+l:bqN5op4LnbmlrZW

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:

1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88.exelsreh.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	lsreh.exe

Executes dropped EXE 1 IoCs

Processes:

lsreh.exe

pid process

3584 lsreh.exe

pid	process
3584	lsreh.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:

1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88.exelsreh.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /p"	1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /i"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /j"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /e"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /a"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /x"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /k"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /h"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /o"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /q"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /b"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /t"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /p"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /g"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /z"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /d"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /s"	lsreh.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /r"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /v"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /f"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /y"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /m"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /n"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /c"	lsreh.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\	1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /u"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /w"	lsreh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsreh = "C:\\Users\\Admin\\lsreh.exe /l"	lsreh.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:

1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88.exelsreh.exe

pid	process
4252	1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88.exe
4252	1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe
3584	lsreh.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88.exelsreh.exe

pid process

4252 1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88.exe
3584 lsreh.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88.exe

description	pid	process	target process
PID 4252 wrote to memory of 3584	4252	1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88.exe	lsreh.exe
PID 4252 wrote to memory of 3584	4252	1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88.exe	lsreh.exe
PID 4252 wrote to memory of 3584	4252	1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88.exe	lsreh.exe

C:\Users\Admin\AppData\Local\Temp\1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88.exe
"C:\Users\Admin\AppData\Local\Temp\1a90619b1b1878aef411d92867919db4a16e7a2e362c01f58725d8031b137b88.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:4252
- C:\Users\Admin\lsreh.exe
  "C:\Users\Admin\lsreh.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:3584

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\lsreh.exe

Filesize
224KB

MD5
77b13e4d44e7c4e86fd0031c4489a829

SHA1
a1330e41e22308c508b3e787409515691db5afe9

SHA256
65b281a2f3fa6bb2ccfe3be7ecbda8584c0c1d34201f6b4633da9dd72a181f13

SHA512
61ce2ceea1edfe6ada1fcf5138108328596f551eda9ff80a32f0d7876d86200e48a4f40e9ba712476ce0398507f3b9260d151fdb3e47434fad28cf4b97ee1e20

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

Filesize
224KB

MD5
77b13e4d44e7c4e86fd0031c4489a829

SHA1
a1330e41e22308c508b3e787409515691db5afe9

SHA256
65b281a2f3fa6bb2ccfe3be7ecbda8584c0c1d34201f6b4633da9dd72a181f13

SHA512
61ce2ceea1edfe6ada1fcf5138108328596f551eda9ff80a32f0d7876d86200e48a4f40e9ba712476ce0398507f3b9260d151fdb3e47434fad28cf4b97ee1e20

Download Submit
memory/3584-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads