763060247e08ba76835b2b4940236415b53f1f3d35784e0bd72b10f0213c67e0

Analysis

max time kernel
135s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
12/05/2024, 06:26

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General

Target

tbgr.exe
Size

1.0MB
MD5

797a4182a7e1d4ac1df362f37ba55b4a
SHA1

90a2a4e90cd0548240594d1fe6941070c0928003
SHA256

0b861fd15f19eaacff10526e9510e14ddf229f7f7f6c19063e569beeefdb2e7d
SHA512

d88ae83a42526d440661e0d74c085eb29750f2e703f0020a6de80d7f04b0b5ce87431c800f967cb90e0bd88c4256ff12927cd2809ae41294de403c72c7b5ca70
SSDEEP

24576:PJMcX9tVVigeYTAcvpI9LbC2TrE04gOnRppPmzcezWwSKhJf:P91JLpm22Tt4hpLe6wLhV

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3124	2672	WerFault.exe	84

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2672	2508	tbgr.exe	84
PID 2508 wrote to memory of 2672	2508	tbgr.exe	84
PID 2508 wrote to memory of 2672	2508	tbgr.exe	84
PID 2508 wrote to memory of 2672	2508	tbgr.exe	84
PID 2508 wrote to memory of 2672	2508	tbgr.exe	84

C:\Users\Admin\AppData\Local\Temp\tbgr.exe
"C:\Users\Admin\AppData\Local\Temp\tbgr.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Users\Admin\AppData\Local\Temp\tbgr.exe
  "C:\Users\Admin\AppData\Local\Temp\tbgr.exe"
  2⤵
  - Checks BIOS information in registry
  PID:2672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2672 -s 1036
    3⤵
    - Program crash
    PID:3124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2672 -ip 2672
1⤵
PID:2808

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/2508-0-0x0000000000400000-0x000000000055C000-memory.dmp

Filesize
1.4MB

Download
memory/2508-14-0x0000000000400000-0x000000000055C000-memory.dmp

Filesize
1.4MB

Download
memory/2672-3-0x0000000000400000-0x000000000055C000-memory.dmp

Filesize
1.4MB

Download
memory/2672-5-0x00000000022E0000-0x00000000023E5000-memory.dmp

Filesize
1.0MB

Download
memory/2672-10-0x00000000022E0000-0x00000000023E5000-memory.dmp

Filesize
1.0MB

Download
memory/2672-12-0x00000000022E0000-0x00000000023E5000-memory.dmp

Filesize
1.0MB

Download
memory/2672-13-0x00000000022E0000-0x00000000023E5000-memory.dmp

Filesize
1.0MB

Download
memory/2672-15-0x0000000000400000-0x000000000055C000-memory.dmp

Filesize
1.4MB

Download