8be2e0c29d544fa6ced88103491996f6f7c1767da066b43b14a827df1dc436c6

General

Target

Sketv2.exe
Size

30.6MB
MD5

e339d5f89f5374be972675621877cee7
SHA1

d9e2da950f7c35cc85254ebe03aaa8df223768a4
SHA256

8be2e0c29d544fa6ced88103491996f6f7c1767da066b43b14a827df1dc436c6
SHA512

271cf3cbc09eac1ea088aed63c8c01272b5defee13d89a3d25c87ed802514d70573f2f4bc59d3892402e74e3d6df6ca2d627d26804e09e9b3d4250b70b2ba22a
SSDEEP

786432:JAaPyJ3caNLZg9k4EYNoiZrNf8e9bV3TCPpBLxwJx:JAaPA3rYoeNfbxVDkrwJx

Score

9^/10

evasion themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Sketv2.exe

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	Sketv2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Sketv2.exe

Themida packer 21 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/2396-0-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-2-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-3-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-4-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-5-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-6-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-7-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-8-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-9-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-11-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-16-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-17-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-18-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-19-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-20-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-21-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-22-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-23-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-24-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-25-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida
behavioral2/memory/2396-26-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Sketv2.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2396	Sketv2.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2396	Sketv2.exe
2396	Sketv2.exe
2396	Sketv2.exe
2396	Sketv2.exe
2396	Sketv2.exe
2396	Sketv2.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 4148	2396	Sketv2.exe	99
PID 2396 wrote to memory of 4148	2396	Sketv2.exe	99

C:\Users\Admin\AppData\Local\Temp\Sketv2.exe
"C:\Users\Admin\AppData\Local\Temp\Sketv2.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:4148

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4324,i,12198811467968044966,17227406646827438786,262144 --variations-seed-version --mojo-platform-channel-handle=4056 /prefetch:8
1⤵
PID:5088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2396-0-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-1-0x00007FFE59EB0000-0x00007FFE59EB2000-memory.dmp

Filesize
8KB

Download
memory/2396-2-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-3-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-4-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-5-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-6-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-7-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-8-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-9-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-11-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-16-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-17-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-18-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-19-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-20-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-21-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-22-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-23-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-24-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-25-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download
memory/2396-26-0x00007FF7F8590000-0x00007FF7FD650000-memory.dmp

Filesize
80.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads