1c733ad7ed4f89826d675196abcc3a6133bb8f67c69d56e5fcb601ad521ff9f8

General

Target

1c733ad7ed4f89826d675196abcc3a6133bb8f67c69d56e5fcb601ad521ff9f8.exe
Size

3.6MB
MD5

864d1a4e41a56c8f2e7e7eec89a47638
SHA1

1f2cb906b92a945c7346c7139c7722230005c394
SHA256

1c733ad7ed4f89826d675196abcc3a6133bb8f67c69d56e5fcb601ad521ff9f8
SHA512

547a441369636e2548c7f8f94c3972269e04d80ee5a26803cc222942b28e457be908126fb4ff6bfde2a063ea1ef74ecba2aaceb58c68fba5c4fddcea5fbd91d3
SSDEEP

98304:nroESehXGx5IkVu1f/ihp+t49Rd3iG2dEsL:s3ehXzgiSvGiv3tEj

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

Processes:

da_protected.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ da_protected.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	da_protected.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

Processes:

da_protected.exe

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

1c733ad7ed4f89826d675196abcc3a6133bb8f67c69d56e5fcb601ad521ff9f8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	1c733ad7ed4f89826d675196abcc3a6133bb8f67c69d56e5fcb601ad521ff9f8.exe

Executes dropped EXE 1 IoCs

Processes:

da_protected.exe

pid process

4348 da_protected.exe

pid	process
4348	da_protected.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\da_protected.exe	themida
behavioral1/memory/4348-22-0x0000000000E00000-0x0000000001758000-memory.dmp	themida
behavioral1/memory/4348-23-0x0000000000E00000-0x0000000001758000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

da_protected.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA da_protected.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

da_protected.exe

pid process

4348 da_protected.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

da_protected.exe

description pid process

Token: SeDebugPrivilege 4348 da_protected.exe

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

pid	process
4348	da_protected.exe

description	pid	process
Token: SeDebugPrivilege	4348	da_protected.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

1c733ad7ed4f89826d675196abcc3a6133bb8f67c69d56e5fcb601ad521ff9f8.exe

description	pid	process	target process
PID 4636 wrote to memory of 4348	4636	1c733ad7ed4f89826d675196abcc3a6133bb8f67c69d56e5fcb601ad521ff9f8.exe	da_protected.exe
PID 4636 wrote to memory of 4348	4636	1c733ad7ed4f89826d675196abcc3a6133bb8f67c69d56e5fcb601ad521ff9f8.exe	da_protected.exe
PID 4636 wrote to memory of 4348	4636	1c733ad7ed4f89826d675196abcc3a6133bb8f67c69d56e5fcb601ad521ff9f8.exe	da_protected.exe

C:\Users\Admin\AppData\Local\Temp\1c733ad7ed4f89826d675196abcc3a6133bb8f67c69d56e5fcb601ad521ff9f8.exe
"C:\Users\Admin\AppData\Local\Temp\1c733ad7ed4f89826d675196abcc3a6133bb8f67c69d56e5fcb601ad521ff9f8.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4636
- C:\Users\Admin\AppData\Local\Temp\da_protected.exe
  "C:\Users\Admin\AppData\Local\Temp\da_protected.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  PID:4348

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

3

T1012

System Information Discovery

4

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\da_protected.exe

Filesize
3.2MB

MD5
3d21c714fbb98a6a3c72919928c9525c

SHA1
bf628293920b8f0418de008acc8f3506eaeff3cb

SHA256
811be420db2f390e60a291018126a8aa45c8c5182c050b13076c80d3f80d153c

SHA512
3b21fda899cf197a740dd4f2844c99c772a16ffe20581fe78e801c193f29714fbfa23843059ee34baf6176e71434f0ed7506d75de91b87348bcf9cc4b999575a

Download Submit
memory/4348-12-0x0000000000E00000-0x0000000001758000-memory.dmp

Filesize
9.3MB

Download
memory/4348-13-0x0000000076920000-0x0000000076921000-memory.dmp

Filesize
4KB

Download
memory/4348-14-0x0000000076900000-0x00000000769F0000-memory.dmp

Filesize
960KB

Download
memory/4348-15-0x0000000076900000-0x00000000769F0000-memory.dmp

Filesize
960KB

Download
memory/4348-16-0x0000000076900000-0x00000000769F0000-memory.dmp

Filesize
960KB

Download
memory/4348-17-0x0000000076900000-0x00000000769F0000-memory.dmp

Filesize
960KB

Download
memory/4348-18-0x0000000076900000-0x00000000769F0000-memory.dmp

Filesize
960KB

Download
memory/4348-19-0x0000000076900000-0x00000000769F0000-memory.dmp

Filesize
960KB

Download
memory/4348-22-0x0000000000E00000-0x0000000001758000-memory.dmp

Filesize
9.3MB

Download
memory/4348-23-0x0000000000E00000-0x0000000001758000-memory.dmp

Filesize
9.3MB

Download
memory/4348-24-0x00000000059A0000-0x0000000005A3C000-memory.dmp

Filesize
624KB

Download
memory/4348-26-0x0000000000E00000-0x0000000001758000-memory.dmp

Filesize
9.3MB

Download
memory/4348-27-0x0000000076920000-0x0000000076921000-memory.dmp

Filesize
4KB

Download
memory/4348-28-0x0000000076900000-0x00000000769F0000-memory.dmp

Filesize
960KB

Download
memory/4348-29-0x0000000076900000-0x00000000769F0000-memory.dmp

Filesize
960KB

Download
memory/4348-31-0x0000000076900000-0x00000000769F0000-memory.dmp

Filesize
960KB

Download
memory/4348-32-0x0000000076900000-0x00000000769F0000-memory.dmp

Filesize
960KB

Download
memory/4348-33-0x0000000076900000-0x00000000769F0000-memory.dmp

Filesize
960KB

Download
memory/4348-34-0x0000000076900000-0x00000000769F0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads