b559413c43d76b67e8b068c842a0a615b04d6d687be860e18da1adc43dfe5b5e

Analysis

max time kernel
37s
max time network
41s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11-11-2022 03:41

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General

Target

b559413c43d76b67e8b068c842a0a615b04d6d687be860e18da1adc43dfe5b5e.exe
Size

8.1MB
MD5

e08805d6085d6402dcaeb253e4375a09
SHA1

2c79a1203c135aa1a7d5fbed566c94983278b40c
SHA256

b559413c43d76b67e8b068c842a0a615b04d6d687be860e18da1adc43dfe5b5e
SHA512

517d723f46c11a10eb303d655ffca77b1bc3f863450208e659cfea70276f15a7d921d52c04597d035faebb7278e66ff55bbb45b451568f11bc176650bd149db9
SSDEEP

98304:iFBz9bmxmtOfP7TI/OKIdSOwSmGrjvvLYq5dkcDNckgHDJHZt:qBzQxmtOfzsWKgwS1jvvH5uFHn

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__	b559413c43d76b67e8b068c842a0a615b04d6d687be860e18da1adc43dfe5b5e.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	b559413c43d76b67e8b068c842a0a615b04d6d687be860e18da1adc43dfe5b5e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b559413c43d76b67e8b068c842a0a615b04d6d687be860e18da1adc43dfe5b5e.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1612-56-0x0000000000F00000-0x0000000001720000-memory.dmp	themida
behavioral1/memory/1612-57-0x0000000000F00000-0x0000000001720000-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	b559413c43d76b67e8b068c842a0a615b04d6d687be860e18da1adc43dfe5b5e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1612	b559413c43d76b67e8b068c842a0a615b04d6d687be860e18da1adc43dfe5b5e.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1860	1612	WerFault.exe	25

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1612	b559413c43d76b67e8b068c842a0a615b04d6d687be860e18da1adc43dfe5b5e.exe
1612	b559413c43d76b67e8b068c842a0a615b04d6d687be860e18da1adc43dfe5b5e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1612	b559413c43d76b67e8b068c842a0a615b04d6d687be860e18da1adc43dfe5b5e.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 1860	1612	b559413c43d76b67e8b068c842a0a615b04d6d687be860e18da1adc43dfe5b5e.exe	26
PID 1612 wrote to memory of 1860	1612	b559413c43d76b67e8b068c842a0a615b04d6d687be860e18da1adc43dfe5b5e.exe	26
PID 1612 wrote to memory of 1860	1612	b559413c43d76b67e8b068c842a0a615b04d6d687be860e18da1adc43dfe5b5e.exe	26

C:\Users\Admin\AppData\Local\Temp\b559413c43d76b67e8b068c842a0a615b04d6d687be860e18da1adc43dfe5b5e.exe
"C:\Users\Admin\AppData\Local\Temp\b559413c43d76b67e8b068c842a0a615b04d6d687be860e18da1adc43dfe5b5e.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 AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1612 -s 604
  2⤵
  - Program crash
  PID:1860

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1612-54-0x0000000000F00000-0x0000000001720000-memory.dmp

Filesize
8.1MB

Download
memory/1612-55-0x0000000077510000-0x00000000776B9000-memory.dmp

Filesize
1.7MB

Download
memory/1612-56-0x0000000000F00000-0x0000000001720000-memory.dmp

Filesize
8.1MB

Download
memory/1612-57-0x0000000000F00000-0x0000000001720000-memory.dmp

Filesize
8.1MB

Download
memory/1612-59-0x0000000077510000-0x00000000776B9000-memory.dmp

Filesize
1.7MB

Download