763060247e08ba76835b2b4940236415b53f1f3d35784e0bd72b10f0213c67e0

Analysis

max time kernel
92s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
12/05/2024, 06:26

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General

Target

tbgrun.exe
Size

1.0MB
MD5

37170d3db73c6effcd9f2aef2d6ba7dd
SHA1

1c4361ecbb9f33b3fc320ba1475390538056fd88
SHA256

1bd410905a20be6f825b6b26001dadfa15a3c3a0788e5cb90f47253b2f5a7587
SHA512

0faf516873141150578869d31e33d6d6af3f095d15c845d0f2733352712b973e1709c1cf17e0f15d9ffa1ced17d06b7ce462f4f95916c6dcdc340e1ce4a3603e
SSDEEP

24576:xksvHyB1ug72/LsMQpi8soTd+TridY3auohc8nXcLmRaXRhAXA7O:xk6BUpuop+TWYSc/LCahhQsO

Score

7^/10

Malware Config

Signatures

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	tbgrun.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	tbgrun.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3724	228	WerFault.exe	83

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 228	3176	tbgrun.exe	83
PID 3176 wrote to memory of 228	3176	tbgrun.exe	83
PID 3176 wrote to memory of 228	3176	tbgrun.exe	83
PID 3176 wrote to memory of 228	3176	tbgrun.exe	83
PID 3176 wrote to memory of 228	3176	tbgrun.exe	83

C:\Users\Admin\AppData\Local\Temp\tbgrun.exe
"C:\Users\Admin\AppData\Local\Temp\tbgrun.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Users\Admin\AppData\Local\Temp\tbgrun.exe
  "C:\Users\Admin\AppData\Local\Temp\tbgrun.exe"
  2⤵
  - Checks BIOS information in registry
  PID:228
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 228 -s 1056
    3⤵
    - Program crash
    PID:3724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 228 -ip 228
1⤵
PID:3632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/228-3-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/228-4-0x0000000002250000-0x0000000002355000-memory.dmp

Filesize
1.0MB

Download
memory/228-11-0x0000000002250000-0x0000000002355000-memory.dmp

Filesize
1.0MB

Download
memory/228-13-0x0000000002250000-0x0000000002355000-memory.dmp

Filesize
1.0MB

Download
memory/228-14-0x0000000002250000-0x0000000002355000-memory.dmp

Filesize
1.0MB

Download
memory/228-16-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/3176-0-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/3176-15-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download