99c08c22c427d7b3ad1d8ac8bc371597030cd477b15dfb494a3a66d65fbc99dd

General

Target

99c08c22c427d7b3ad1d8ac8bc371597030cd477b15dfb494a3a66d65fbc99dd.exe
Size

3.5MB
MD5

50153b21abcf5baf17ef600b56cec717
SHA1

6ea0838ace157f1c71bca27acffd0fe57a9027e1
SHA256

99c08c22c427d7b3ad1d8ac8bc371597030cd477b15dfb494a3a66d65fbc99dd
SHA512

765a949f58b680302c68cdc87ae20decc433eacbaf477d1da7d26800e30f1db1ca12bc007f79b500cfc684e6f91c08fc8c0a76d57cb67c63231680287a18b1f0
SSDEEP

98304:B9IaoMTrov0++pMy12yVMVVMG6BbKUbF4:B+W/m0+y9eVVMGkDB4

Score

9^/10

evasion themida 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	99c08c22c427d7b3ad1d8ac8bc371597030cd477b15dfb494a3a66d65fbc99dd.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	svcupdater.exe

Executes dropped EXE 1 IoCs

pid	Process
1692	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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	svcupdater.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	99c08c22c427d7b3ad1d8ac8bc371597030cd477b15dfb494a3a66d65fbc99dd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	99c08c22c427d7b3ad1d8ac8bc371597030cd477b15dfb494a3a66d65fbc99dd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svcupdater.exe

Loads dropped DLL 1 IoCs

pid	Process
636	taskeng.exe

Themida packer 18 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/960-54-0x0000000001380000-0x0000000001ED1000-memory.dmp	themida
behavioral1/memory/960-55-0x0000000001380000-0x0000000001ED1000-memory.dmp	themida
behavioral1/memory/960-57-0x0000000001380000-0x0000000001ED1000-memory.dmp	themida
behavioral1/memory/960-56-0x0000000001380000-0x0000000001ED1000-memory.dmp	themida
behavioral1/memory/960-59-0x0000000001380000-0x0000000001ED1000-memory.dmp	themida
behavioral1/memory/960-60-0x0000000001380000-0x0000000001ED1000-memory.dmp	themida
behavioral1/memory/960-61-0x0000000001380000-0x0000000001ED1000-memory.dmp	themida
behavioral1/memory/960-64-0x0000000001380000-0x0000000001ED1000-memory.dmp	themida
behavioral1/files/0x000b0000000122eb-66.dat	themida
behavioral1/files/0x000b0000000122eb-68.dat	themida
behavioral1/memory/1692-69-0x0000000000C60000-0x00000000017B1000-memory.dmp	themida
behavioral1/memory/1692-70-0x0000000000C60000-0x00000000017B1000-memory.dmp	themida
behavioral1/memory/1692-71-0x0000000000C60000-0x00000000017B1000-memory.dmp	themida
behavioral1/memory/1692-72-0x0000000000C60000-0x00000000017B1000-memory.dmp	themida
behavioral1/memory/1692-73-0x0000000000C60000-0x00000000017B1000-memory.dmp	themida
behavioral1/memory/1692-74-0x0000000000C60000-0x00000000017B1000-memory.dmp	themida
behavioral1/memory/1692-75-0x0000000000C60000-0x00000000017B1000-memory.dmp	themida
behavioral1/memory/1692-78-0x0000000000C60000-0x00000000017B1000-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	99c08c22c427d7b3ad1d8ac8bc371597030cd477b15dfb494a3a66d65fbc99dd.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	svcupdater.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
960	99c08c22c427d7b3ad1d8ac8bc371597030cd477b15dfb494a3a66d65fbc99dd.exe
1692	svcupdater.exe

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

pid	Process
1496	schtasks.exe

GoLang User-Agent 5 IoCs

Uses default user-agent string defined by GoLang HTTP packages.

description	flow	ioc
HTTP User-Agent header	7	Go-http-client/1.1
HTTP User-Agent header	2	Go-http-client/1.1
HTTP User-Agent header	4	Go-http-client/1.1
HTTP User-Agent header	5	Go-http-client/1.1
HTTP User-Agent header	6	Go-http-client/1.1

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 912	960	99c08c22c427d7b3ad1d8ac8bc371597030cd477b15dfb494a3a66d65fbc99dd.exe	27
PID 960 wrote to memory of 912	960	99c08c22c427d7b3ad1d8ac8bc371597030cd477b15dfb494a3a66d65fbc99dd.exe	27
PID 960 wrote to memory of 912	960	99c08c22c427d7b3ad1d8ac8bc371597030cd477b15dfb494a3a66d65fbc99dd.exe	27
PID 912 wrote to memory of 1496	912	cmd.exe	29
PID 912 wrote to memory of 1496	912	cmd.exe	29
PID 912 wrote to memory of 1496	912	cmd.exe	29
PID 636 wrote to memory of 1692	636	taskeng.exe	31
PID 636 wrote to memory of 1692	636	taskeng.exe	31
PID 636 wrote to memory of 1692	636	taskeng.exe	31

C:\Users\Admin\AppData\Local\Temp\99c08c22c427d7b3ad1d8ac8bc371597030cd477b15dfb494a3a66d65fbc99dd.exe
"C:\Users\Admin\AppData\Local\Temp\99c08c22c427d7b3ad1d8ac8bc371597030cd477b15dfb494a3a66d65fbc99dd.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 use of WriteProcessMemory
PID:960
- C:\Windows\system32\cmd.exe
  cmd.exe /C schtasks /create /tn oeItRUniJV /tr C:\Users\Admin\AppData\Roaming\oeItRUniJV\svcupdater.exe /st 00:00 /du 9999:59 /sc once /ri 1 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:912
- - C:\Windows\system32\schtasks.exe
    schtasks /create /tn oeItRUniJV /tr C:\Users\Admin\AppData\Roaming\oeItRUniJV\svcupdater.exe /st 00:00 /du 9999:59 /sc once /ri 1 /f
    3⤵
    - Creates scheduled task(s)
    PID:1496

C:\Windows\system32\taskeng.exe
taskeng.exe {129980F0-D520-41B2-988B-7045BDAAAEE8} S-1-5-21-4063495947-34355257-727531523-1000:RYNKSFQE\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:636
- C:\Users\Admin\AppData\Roaming\oeItRUniJV\svcupdater.exe
  C:\Users\Admin\AppData\Roaming\oeItRUniJV\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
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  PID:1692

Network

MITRE ATT&CK Enterprise 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

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\oeItRUniJV\svcupdater.exe

Filesize
3.5MB

MD5
50153b21abcf5baf17ef600b56cec717

SHA1
6ea0838ace157f1c71bca27acffd0fe57a9027e1

SHA256
99c08c22c427d7b3ad1d8ac8bc371597030cd477b15dfb494a3a66d65fbc99dd

SHA512
765a949f58b680302c68cdc87ae20decc433eacbaf477d1da7d26800e30f1db1ca12bc007f79b500cfc684e6f91c08fc8c0a76d57cb67c63231680287a18b1f0

Download Submit
\Users\Admin\AppData\Roaming\oeItRUniJV\svcupdater.exe

Filesize
3.5MB

MD5
50153b21abcf5baf17ef600b56cec717

SHA1
6ea0838ace157f1c71bca27acffd0fe57a9027e1

SHA256
99c08c22c427d7b3ad1d8ac8bc371597030cd477b15dfb494a3a66d65fbc99dd

SHA512
765a949f58b680302c68cdc87ae20decc433eacbaf477d1da7d26800e30f1db1ca12bc007f79b500cfc684e6f91c08fc8c0a76d57cb67c63231680287a18b1f0

Download Submit
memory/636-77-0x00000000025D0000-0x0000000003121000-memory.dmp

Filesize
11.3MB

Download
memory/960-60-0x0000000001380000-0x0000000001ED1000-memory.dmp

Filesize
11.3MB

Download
memory/960-59-0x0000000001380000-0x0000000001ED1000-memory.dmp

Filesize
11.3MB

Download
memory/960-54-0x0000000001380000-0x0000000001ED1000-memory.dmp

Filesize
11.3MB

Download
memory/960-61-0x0000000001380000-0x0000000001ED1000-memory.dmp

Filesize
11.3MB

Download
memory/960-56-0x0000000001380000-0x0000000001ED1000-memory.dmp

Filesize
11.3MB

Download
memory/960-64-0x0000000001380000-0x0000000001ED1000-memory.dmp

Filesize
11.3MB

Download
memory/960-65-0x0000000077790000-0x0000000077939000-memory.dmp

Filesize
1.7MB

Download
memory/960-58-0x0000000077790000-0x0000000077939000-memory.dmp

Filesize
1.7MB

Download
memory/960-55-0x0000000001380000-0x0000000001ED1000-memory.dmp

Filesize
11.3MB

Download
memory/960-57-0x0000000001380000-0x0000000001ED1000-memory.dmp

Filesize
11.3MB

Download
memory/1692-69-0x0000000000C60000-0x00000000017B1000-memory.dmp

Filesize
11.3MB

Download
memory/1692-70-0x0000000000C60000-0x00000000017B1000-memory.dmp

Filesize
11.3MB

Download
memory/1692-71-0x0000000000C60000-0x00000000017B1000-memory.dmp

Filesize
11.3MB

Download
memory/1692-72-0x0000000000C60000-0x00000000017B1000-memory.dmp

Filesize
11.3MB

Download
memory/1692-73-0x0000000000C60000-0x00000000017B1000-memory.dmp

Filesize
11.3MB

Download
memory/1692-74-0x0000000000C60000-0x00000000017B1000-memory.dmp

Filesize
11.3MB

Download
memory/1692-75-0x0000000000C60000-0x00000000017B1000-memory.dmp

Filesize
11.3MB

Download
memory/1692-76-0x0000000077790000-0x0000000077939000-memory.dmp

Filesize
1.7MB

Download
memory/1692-78-0x0000000000C60000-0x00000000017B1000-memory.dmp

Filesize
11.3MB

Download
memory/1692-79-0x0000000077790000-0x0000000077939000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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