b559413c43d76b67e8b068c842a0a615b04d6d687be860e18da1adc43dfe5b5e

Analysis

max time kernel
32s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
27-11-2022 18:12

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General

Target

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

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1708-56-0x0000000000890000-0x00000000010B0000-memory.dmp	themida
behavioral1/memory/1708-57-0x0000000000890000-0x00000000010B0000-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	Emiditor.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1708	Emiditor.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
864	1708	WerFault.exe	25

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1708	Emiditor.exe
1708	Emiditor.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1708	Emiditor.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 864	1708	Emiditor.exe	26
PID 1708 wrote to memory of 864	1708	Emiditor.exe	26
PID 1708 wrote to memory of 864	1708	Emiditor.exe	26

C:\Users\Admin\AppData\Local\Temp\Emiditor.exe
"C:\Users\Admin\AppData\Local\Temp\Emiditor.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:1708
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1708 -s 596
  2⤵
  - Program crash
  PID:864

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

Replay Monitor

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Downloads

memory/1708-54-0x0000000000890000-0x00000000010B0000-memory.dmp

Filesize
8.1MB

Download
memory/1708-55-0x0000000077360000-0x0000000077509000-memory.dmp

Filesize
1.7MB

Download
memory/1708-56-0x0000000000890000-0x00000000010B0000-memory.dmp

Filesize
8.1MB

Download
memory/1708-57-0x0000000000890000-0x00000000010B0000-memory.dmp

Filesize
8.1MB

Download
memory/1708-59-0x0000000000890000-0x00000000010B0000-memory.dmp

Filesize
8.1MB

Download
memory/1708-60-0x0000000077360000-0x0000000077509000-memory.dmp

Filesize
1.7MB

Download