2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375

General

Target

2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exe
Size

159KB
MD5

9fc1852d31118477de3de2980a84d869
SHA1

d6ae96b3d6d454507a340a51d32fb029686bc06f
SHA256

2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375
SHA512

9fa384b93565adfec399f4fbea0a595f304cd02e4d2cb0fcc208e3d8113d6d8914b6f4857d7b3bc94fe4aa394547ab3420c75a11ef7dce0ea5927a11cafa4520
SSDEEP

3072:Aat8Y6bDtsAngoHLFungN1BM4U+VFrw550u8BLaQzOvetdK:bt8Y6bDtsrncBdtrwsVBaPAd

Score

7^/10

persistence ransomware

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exesvchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	svchost.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

364 cmd.exe

pid	process
364	cmd.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Update = "C:\\Users\\Admin\\AppData\\Roaming\\2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exe"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\Update = "C:\\Users\\Admin\\AppData\\Roaming\\2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exe"	svchost.exe

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\F306B858.bmp\U0001a060l"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exe

description	pid	process	target process
PID 1792 set thread context of 1316	1792	2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exe	svchost.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

svchost.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main svchost.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exesvchost.exe

pid	process
1792	2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe
1316	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exe

pid process

1792 2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

svchost.exe

pid process

1316 svchost.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

svchost.exe

pid process

1316 svchost.exe
1316 svchost.exe

pid	process
1316	svchost.exe

pid	process
1316	svchost.exe
1316	svchost.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exesvchost.exe

description	pid	process	target process
PID 1792 wrote to memory of 1316	1792	2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exe	svchost.exe
PID 1792 wrote to memory of 1316	1792	2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exe	svchost.exe
PID 1792 wrote to memory of 1316	1792	2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exe	svchost.exe
PID 1792 wrote to memory of 1316	1792	2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exe	svchost.exe
PID 1792 wrote to memory of 1316	1792	2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exe	svchost.exe
PID 1792 wrote to memory of 1316	1792	2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exe	svchost.exe
PID 1316 wrote to memory of 364	1316	svchost.exe	cmd.exe
PID 1316 wrote to memory of 364	1316	svchost.exe	cmd.exe
PID 1316 wrote to memory of 364	1316	svchost.exe	cmd.exe
PID 1316 wrote to memory of 364	1316	svchost.exe	cmd.exe
PID 1316 wrote to memory of 1816	1316	svchost.exe	ctfmon.exe
PID 1316 wrote to memory of 1816	1316	svchost.exe	ctfmon.exe
PID 1316 wrote to memory of 1816	1316	svchost.exe	ctfmon.exe
PID 1316 wrote to memory of 1816	1316	svchost.exe	ctfmon.exe

C:\Users\Admin\AppData\Local\Temp\2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exe
"C:\Users\Admin\AppData\Local\Temp\2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exe"
1⤵
- Checks BIOS information in registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1792

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
2⤵
- Checks BIOS information in registry
- Adds Run key to start application
- Sets desktop wallpaper using registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1316

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /q /c for /l %i in (1, 1, 4000000000) do if not exist "C:\Users\Admin\AppData\Local\Temp\2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exe" (exit) else (del /f "C:\Users\Admin\AppData\Local\Temp\2aef8787ba562a6f45a622d7241dc31e482d8a418845fb2816db2fb8dfc5a375.exe")
3⤵
- Deletes itself
PID:364

C:\Windows\SysWOW64\ctfmon.exe
ctfmon.exe
3⤵
PID:1816

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

3

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1

T1491

Replay Monitor

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Downloads

memory/364-62-0x0000000000000000-mapping.dmp

Download
memory/1316-58-0x0000000000401000-mapping.dmp

Download
memory/1316-61-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1792-54-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1792-55-0x00000000002D0000-0x0000000000308000-memory.dmp

Filesize
224KB

Download
memory/1792-56-0x0000000076381000-0x0000000076383000-memory.dmp

Filesize
8KB

Download
memory/1792-57-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1792-60-0x00000000002D0000-0x0000000000308000-memory.dmp

Filesize
224KB

Download
memory/1816-63-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads