ab2c8662c8101b040f3b5e41eb3639b1be3ce9da6ac155f7a4b0fbe63bb3fde3

General

Target
91b1dc3f70f739111bfa2b2e42ea30b5.exe
Size 6.1MB
Sample211008-wnmneseham
SHA256 ab2c8662c8101b040f3b5e41eb3639b1be3ce9da6ac155f7a4b0fbe63bb3fde3
MD5 91b1dc3f70f739111bfa2b2e42ea30b5
SHA1 2bfc01eb36f7e9863d093b190939afbd04c015e5
SHA512 c15b0e4017947abb52d83f76b3922ec6bac9ff8f30506ef07df5d58662157a286dba1e6826551a8b61d9eb1a5d8a05e1640cc73a0ef1b5908d66306a30bdf2d3
MD5 SHA1 SHA512

Score

9^/10

evasion themida trojan

Malware Config

Signatures

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Executes dropped EXE 3 IoCs

pid	Process
1172	kitsch.exe
2000	origanvp.exe
1280	IntelRapid.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

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IntelRapid.lnk	kitsch.exe

Loads dropped DLL 7 IoCs

pid	Process
1768	91b1dc3f70f739111bfa2b2e42ea30b5.exe
1768	91b1dc3f70f739111bfa2b2e42ea30b5.exe
1768	91b1dc3f70f739111bfa2b2e42ea30b5.exe
1768	91b1dc3f70f739111bfa2b2e42ea30b5.exe
1172	kitsch.exe
1172	kitsch.exe
1172	kitsch.exe

Themida packer 16 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/files/0x00030000000130e4-62.dat	themida
behavioral1/files/0x00030000000130e4-63.dat	themida
behavioral1/files/0x00030000000130e4-65.dat	themida
behavioral1/memory/1172-66-0x000000013FC70000-0x00000001405D1000-memory.dmp	themida
behavioral1/memory/1172-67-0x000000013FC70000-0x00000001405D1000-memory.dmp	themida
behavioral1/memory/1172-68-0x000000013FC70000-0x00000001405D1000-memory.dmp	themida
behavioral1/files/0x00030000000130e5-69.dat	themida
behavioral1/files/0x00030000000130e4-70.dat	themida
behavioral1/files/0x00030000000130e5-73.dat	themida
behavioral1/files/0x00030000000130e7-75.dat	themida
behavioral1/files/0x00030000000130e7-77.dat	themida
behavioral1/files/0x00030000000130e7-79.dat	themida
behavioral1/files/0x00030000000130e7-76.dat	themida
behavioral1/memory/1280-80-0x000000013F3A0000-0x000000013FD01000-memory.dmp	themida
behavioral1/memory/1280-81-0x000000013F3A0000-0x000000013FD01000-memory.dmp	themida
behavioral1/memory/1280-82-0x000000013F3A0000-0x000000013FD01000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

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

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1172	kitsch.exe
1280	IntelRapid.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\foler\olader\acppage.dll	91b1dc3f70f739111bfa2b2e42ea30b5.exe
File created	C:\Program Files (x86)\foler\olader\adprovider.dll	91b1dc3f70f739111bfa2b2e42ea30b5.exe
File created	C:\Program Files (x86)\foler\olader\acledit.dll	91b1dc3f70f739111bfa2b2e42ea30b5.exe

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

System Information Discovery
T1082

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1280	IntelRapid.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 1172	1768	91b1dc3f70f739111bfa2b2e42ea30b5.exe	25
PID 1768 wrote to memory of 1172	1768	91b1dc3f70f739111bfa2b2e42ea30b5.exe	25
PID 1768 wrote to memory of 1172	1768	91b1dc3f70f739111bfa2b2e42ea30b5.exe	25
PID 1768 wrote to memory of 1172	1768	91b1dc3f70f739111bfa2b2e42ea30b5.exe	25
PID 1768 wrote to memory of 2000	1768	91b1dc3f70f739111bfa2b2e42ea30b5.exe	26
PID 1768 wrote to memory of 2000	1768	91b1dc3f70f739111bfa2b2e42ea30b5.exe	26
PID 1768 wrote to memory of 2000	1768	91b1dc3f70f739111bfa2b2e42ea30b5.exe	26
PID 1768 wrote to memory of 2000	1768	91b1dc3f70f739111bfa2b2e42ea30b5.exe	26
PID 1768 wrote to memory of 2000	1768	91b1dc3f70f739111bfa2b2e42ea30b5.exe	26
PID 1768 wrote to memory of 2000	1768	91b1dc3f70f739111bfa2b2e42ea30b5.exe	26
PID 1768 wrote to memory of 2000	1768	91b1dc3f70f739111bfa2b2e42ea30b5.exe	26
PID 1172 wrote to memory of 1280	1172	kitsch.exe	27
PID 1172 wrote to memory of 1280	1172	kitsch.exe	27
PID 1172 wrote to memory of 1280	1172	kitsch.exe	27

C:\Users\Admin\AppData\Local\Temp\91b1dc3f70f739111bfa2b2e42ea30b5.exe
"C:\Users\Admin\AppData\Local\Temp\91b1dc3f70f739111bfa2b2e42ea30b5.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Users\Admin\AppData\Local\Temp\parkin\kitsch.exe
  "C:\Users\Admin\AppData\Local\Temp\parkin\kitsch.exe"
  2⤵
  - Executes dropped EXE
  - Checks BIOS information in registry
  - Drops startup file
  - Loads dropped DLL
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of WriteProcessMemory
  PID:1172
- - C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe
    "C:\Users\Admin\AppData\Roaming\Intel Rapid\IntelRapid.exe"
    3⤵
    - Executes dropped EXE
    - Checks BIOS information in registry
    - Checks whether UAC is enabled
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: AddClipboardFormatListener
    PID:1280
- C:\Users\Admin\AppData\Local\Temp\parkin\origanvp.exe
  "C:\Users\Admin\AppData\Local\Temp\parkin\origanvp.exe"
  2⤵
  - Executes dropped EXE
  PID:2000

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1172-67-0x000000013FC70000-0x00000001405D1000-memory.dmp

Download

memory/1172-72-0x000007FEFC251000-0x000007FEFC253000-memory.dmp

Download

memory/1172-68-0x000000013FC70000-0x00000001405D1000-memory.dmp

Download

memory/1172-66-0x000000013FC70000-0x00000001405D1000-memory.dmp

Download

memory/1280-80-0x000000013F3A0000-0x000000013FD01000-memory.dmp

Download

memory/1280-81-0x000000013F3A0000-0x000000013FD01000-memory.dmp

Download

memory/1280-82-0x000000013F3A0000-0x000000013FD01000-memory.dmp

Download

memory/1768-60-0x0000000075D11000-0x0000000075D13000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads