763060247e08ba76835b2b4940236415b53f1f3d35784e0bd72b10f0213c67e0

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D0F3EA0B-2836-E410-F2DC-C48AE8F96478}	tbgrun.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D0F3EA0B-2836-E410-F2DC-C48AE8F96478}\ = "Outlook Network Share Management Module"	tbgrun.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	1952	tbgrun.exe
Token: SeIncBasePriorityPrivilege	1952	tbgrun.exe
Token: 33	1952	tbgrun.exe
Token: SeIncBasePriorityPrivilege	1952	tbgrun.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 1952	2476	tbgrun.exe	28
PID 2476 wrote to memory of 1952	2476	tbgrun.exe	28
PID 2476 wrote to memory of 1952	2476	tbgrun.exe	28
PID 2476 wrote to memory of 1952	2476	tbgrun.exe	28
PID 2476 wrote to memory of 1952	2476	tbgrun.exe	28
PID 2476 wrote to memory of 1952	2476	tbgrun.exe	28

C:\Users\Admin\AppData\Local\Temp\tbgrun.exe
"C:\Users\Admin\AppData\Local\Temp\tbgrun.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2476
- C:\Users\Admin\AppData\Local\Temp\tbgrun.exe
  "C:\Users\Admin\AppData\Local\Temp\tbgrun.exe"
  2⤵
  - Checks BIOS information in registry
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  PID:1952

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/1952-14-0x0000000002000000-0x0000000002105000-memory.dmp

Filesize
1.0MB

Download
memory/1952-18-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/1952-2-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/1952-3-0x0000000000488000-0x0000000000489000-memory.dmp

Filesize
4KB

Download
memory/1952-22-0x0000000002000000-0x0000000002105000-memory.dmp

Filesize
1.0MB

Download
memory/1952-4-0x0000000002000000-0x0000000002105000-memory.dmp

Filesize
1.0MB

Download
memory/1952-20-0x0000000002000000-0x0000000002105000-memory.dmp

Filesize
1.0MB

Download
memory/1952-11-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/1952-10-0x0000000002000000-0x0000000002105000-memory.dmp

Filesize
1.0MB

Download
memory/1952-17-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/1952-13-0x0000000002000000-0x0000000002105000-memory.dmp

Filesize
1.0MB

Download
memory/1952-19-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/1952-25-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2476-24-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2476-1-0x0000000001E20000-0x0000000001F7A000-memory.dmp

Filesize
1.4MB

Download
memory/2476-0-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download