6c551a1172a33d11b974f02a5e5489f851fcf1899e877c7e59abd2f650526c19

Target

213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe
Size

1.8MB
MD5

37f95f0c742f9bb6c5f6d1b49a9f1e92
SHA1

92d17b64c02a1ae01b49cda80a21042505d1eb3d
SHA256

213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc
SHA512

c6ea684e9f53b46d86519c7920048ca5fbd07a42b7b372cbff33b590d5f4bcb0acda1104379503d403d1931bdd333ec74a571fb97f54abc7bf7cbc978c8a06ad

Score

9^/10

evasion

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Wine	213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
19	ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
496	213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
496	213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe
496	213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 496 wrote to memory of 2884	496	213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe	78
PID 496 wrote to memory of 2884	496	213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe	78
PID 496 wrote to memory of 2884	496	213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe	78
PID 496 wrote to memory of 3764	496	213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe	80
PID 496 wrote to memory of 3764	496	213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe	80
PID 496 wrote to memory of 3764	496	213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe	80
PID 496 wrote to memory of 4064	496	213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe	82
PID 496 wrote to memory of 4064	496	213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe	82
PID 496 wrote to memory of 4064	496	213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe	82

C:\Users\Admin\AppData\Local\Temp\213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe
"C:\Users\Admin\AppData\Local\Temp\213f46a61158000136d67452f6c638949db7a60674ed2af8379f6bbe7acb49fc.exe"
1⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:496
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\sdcmmeemlpvk.exe"
  2⤵
  PID:2884
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\jyyylbichjd.exe"
  2⤵
  PID:3764
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\epyewlkvt.exe"
  2⤵
  PID:4064

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/496-3-0x0000000004F20000-0x0000000004F21000-memory.dmp

Filesize
4KB

Download
memory/496-2-0x0000000004720000-0x0000000004721000-memory.dmp

Filesize
4KB

Download
memory/496-4-0x0000000077C64000-0x0000000077C65000-memory.dmp

Filesize
4KB

Download
memory/496-6-0x0000000004C40000-0x0000000004C41000-memory.dmp

Filesize
4KB

Download
memory/496-5-0x0000000000951000-0x0000000000975000-memory.dmp

Filesize
144KB

Download
memory/496-7-0x0000000004C60000-0x0000000004C61000-memory.dmp

Filesize
4KB

Download
memory/496-8-0x0000000004C50000-0x0000000004C51000-memory.dmp

Filesize
4KB

Download
memory/496-9-0x0000000004C30000-0x0000000004C31000-memory.dmp

Filesize
4KB

Download
memory/496-10-0x0000000004C70000-0x0000000004C71000-memory.dmp

Filesize
4KB

Download