4063e9392a870c336313c33c498fccff27bc86a20b925e3d9d418b20613eee4b

General

Target

coco.exe
Size

3.8MB
MD5

3714bf1b2ccb2d589bbf9fc56b95f34f
SHA1

094ca2a456841a37d53724f9cd242af7f2a87945
SHA256

4063e9392a870c336313c33c498fccff27bc86a20b925e3d9d418b20613eee4b
SHA512

44271307b886aadc028e5874444d4241ba9790bba8fa7cf8b93371f051261b2adab065012fa84ce8674a43df07bdba63761cb614dc0c986982718a2276f241bc
SSDEEP

98304:TY+I/xOyEEaO5PsR9urjsFFZ9iZ1+AhMr+rCIvdvA92RxHGf:TZI/AyEEf5zrIZ9i+9rBKxlhm

Score

9^/10

evasion trojan

Malware Config

Signatures

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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

svcupdater.execoco.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	svcupdater.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	coco.exe

Executes dropped EXE 1 IoCs

Processes:

svcupdater.exe

pid process

1168 svcupdater.exe

pid	process
1168	svcupdater.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

coco.exesvcupdater.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	coco.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svcupdater.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	svcupdater.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	coco.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

coco.exesvcupdater.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	coco.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	svcupdater.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

804 schtasks.exe

pid	process
804	schtasks.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

coco.exetaskeng.exe

description	pid	process	target process
PID 580 wrote to memory of 804	580	coco.exe	schtasks.exe
PID 580 wrote to memory of 804	580	coco.exe	schtasks.exe
PID 580 wrote to memory of 804	580	coco.exe	schtasks.exe
PID 580 wrote to memory of 804	580	coco.exe	schtasks.exe
PID 1500 wrote to memory of 1168	1500	taskeng.exe	svcupdater.exe
PID 1500 wrote to memory of 1168	1500	taskeng.exe	svcupdater.exe
PID 1500 wrote to memory of 1168	1500	taskeng.exe	svcupdater.exe
PID 1500 wrote to memory of 1168	1500	taskeng.exe	svcupdater.exe
PID 1500 wrote to memory of 1168	1500	taskeng.exe	svcupdater.exe
PID 1500 wrote to memory of 1168	1500	taskeng.exe	svcupdater.exe
PID 1500 wrote to memory of 1168	1500	taskeng.exe	svcupdater.exe

C:\Users\Admin\AppData\Local\Temp\coco.exe
"C:\Users\Admin\AppData\Local\Temp\coco.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
PID:580

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /tn "svcupdater" /tr "C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe" /st 00:00 /du 9999:59 /sc once /ri 1 /f
2⤵
- Creates scheduled task(s)
PID:804

C:\Windows\system32\taskeng.exe
taskeng.exe {09DDB1F4-0980-403A-834A-67C76804AC3A} S-1-5-21-3845472200-3839195424-595303356-1000:ZERMMMDR\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1500

C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe
C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe
2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
PID:1168

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe
Filesize
757.8MB

MD5
8eba5d710e657b56a1eae1a65629dc0d

SHA1
fd6c724c4fabe2036e6866ba3c577e2582e788e8

SHA256
2254dd8eb9e41e7b07289bf4d5ac6135a1a182b2419f723ea47b4f3e2b1b13ae

SHA512
a791721a7c4ca375f6d902187cbb6a63e3bf0d2c3031da24fdbd59dd28be5357ccb32297142115d3dc1ad16de4a4853564ad3adad12eb322d9f68dea86dd325b

Download Submit
C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe
Filesize
757.8MB

MD5
8eba5d710e657b56a1eae1a65629dc0d

SHA1
fd6c724c4fabe2036e6866ba3c577e2582e788e8

SHA256
2254dd8eb9e41e7b07289bf4d5ac6135a1a182b2419f723ea47b4f3e2b1b13ae

SHA512
a791721a7c4ca375f6d902187cbb6a63e3bf0d2c3031da24fdbd59dd28be5357ccb32297142115d3dc1ad16de4a4853564ad3adad12eb322d9f68dea86dd325b

Download Submit
memory/580-54-0x0000000075931000-0x0000000075933000-memory.dmp

Filesize
8KB

Download
memory/580-55-0x0000000000F40000-0x000000000130F000-memory.dmp

Filesize
3.8MB

Download
memory/580-56-0x0000000000F40000-0x000000000130F000-memory.dmp

Filesize
3.8MB

Download
memory/580-58-0x0000000000F40000-0x000000000130F000-memory.dmp

Filesize
3.8MB

Download
memory/804-57-0x0000000000000000-mapping.dmp

Download
memory/1168-60-0x0000000000000000-mapping.dmp

Download
memory/1168-63-0x0000000000D70000-0x000000000113F000-memory.dmp

Filesize
3.8MB

Download
memory/1168-64-0x0000000000D70000-0x000000000113F000-memory.dmp

Filesize
3.8MB

Download
memory/1168-65-0x0000000000D70000-0x000000000113F000-memory.dmp

Filesize
3.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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