6c551a1172a33d11b974f02a5e5489f851fcf1899e877c7e59abd2f650526c19

Target

284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.exe
Size

1.9MB
MD5

a2db656c0369a9762ff24827848e8ea2
SHA1

a88a7d679bb6e30467ffbed426c65a0c32074a3a
SHA256

284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947
SHA512

c6c1c5619948566fa090a51bac8c91b8e6411d108b1fe2e246a4c8bf60face16d4bfca37e8950486cef843518eefb47cf2159ead8b331723cecc8d5179bfc32b

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	284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.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-1-5-21-3341490333-719741536-2920803124-1000\Software\Wine	284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.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
18	ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1224	284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.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	284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1224	284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.exe
1224	284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 3128	1224	284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.exe	78
PID 1224 wrote to memory of 3128	1224	284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.exe	78
PID 1224 wrote to memory of 3128	1224	284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.exe	78
PID 1224 wrote to memory of 1480	1224	284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.exe	80
PID 1224 wrote to memory of 1480	1224	284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.exe	80
PID 1224 wrote to memory of 1480	1224	284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.exe	80
PID 1224 wrote to memory of 4000	1224	284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.exe	82
PID 1224 wrote to memory of 4000	1224	284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.exe	82
PID 1224 wrote to memory of 4000	1224	284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.exe	82

C:\Users\Admin\AppData\Local\Temp\284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.exe
"C:\Users\Admin\AppData\Local\Temp\284c9bd06ae67203244ed420c798188c7d0846938b21ba970ce64318452d6947.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:1224
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\osilxjufvdui.exe"
  2⤵
  PID:3128
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\wosuhys.exe"
  2⤵
  PID:1480
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\ckhtcfrgds.exe"
  2⤵
  PID:4000

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/1224-2-0x0000000004A40000-0x0000000004A41000-memory.dmp

Filesize
4KB

Download
memory/1224-3-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/1224-5-0x0000000000B31000-0x0000000000B55000-memory.dmp

Filesize
144KB

Download
memory/1224-6-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

Filesize
4KB

Download
memory/1224-7-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

Filesize
4KB

Download
memory/1224-8-0x0000000004BB0000-0x0000000004BB1000-memory.dmp

Filesize
4KB

Download
memory/1224-4-0x00000000770C4000-0x00000000770C5000-memory.dmp

Filesize
4KB

Download
memory/1224-9-0x0000000004B90000-0x0000000004B91000-memory.dmp

Filesize
4KB

Download
memory/1224-10-0x0000000004BD0000-0x0000000004BD1000-memory.dmp

Filesize
4KB

Download