c3f12d98540dd9fc3bd975e7e324c29fc6794bac69c2997dc4152d59c70a5d7f

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
01/01/2024, 02:31

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General

Target

3ba924bf3e0820ef470658bad678a428.exe
Size

109KB
MD5

3ba924bf3e0820ef470658bad678a428
SHA1

e9b231a0e3ece9067d56dff0fd980e10ed94c4d5
SHA256

c3f12d98540dd9fc3bd975e7e324c29fc6794bac69c2997dc4152d59c70a5d7f
SHA512

733f2471e1b09ad4d821b1329cbc591f5a780152ee2e7eff435a324c5b9af1d779a44c8d7e8ca957136e262a47cc8f029c2156f8579b695b1553eb2252ed2378
SSDEEP

3072:I9amc9x9gOkBX7BeQRPdxP3nTOaVLfBQ9puHI/x3u:Ik8Ok51eQRPPPzD7HI/Bu

Score

7^/10

bootkit persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
940	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2504	avp.exe

Loads dropped DLL 1 IoCs

pid	Process
3032	3ba924bf3e0820ef470658bad678a428.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	3ba924bf3e0820ef470658bad678a428.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\deLPlme.bat	3ba924bf3e0820ef470658bad678a428.exe
File created	C:\Windows\SysWOW64\od3mdi.dll	3ba924bf3e0820ef470658bad678a428.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\avp.exe	3ba924bf3e0820ef470658bad678a428.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
3032	3ba924bf3e0820ef470658bad678a428.exe
476	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	3032	3ba924bf3e0820ef470658bad678a428.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 940	3032	3ba924bf3e0820ef470658bad678a428.exe	18
PID 3032 wrote to memory of 940	3032	3ba924bf3e0820ef470658bad678a428.exe	18
PID 3032 wrote to memory of 940	3032	3ba924bf3e0820ef470658bad678a428.exe	18
PID 3032 wrote to memory of 940	3032	3ba924bf3e0820ef470658bad678a428.exe	18

C:\Users\Admin\AppData\Local\Temp\3ba924bf3e0820ef470658bad678a428.exe
"C:\Users\Admin\AppData\Local\Temp\3ba924bf3e0820ef470658bad678a428.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Windows\SysWOW64\cmd.exe
  cmd /c delplme.bat
  2⤵
  - Deletes itself
  PID:940

C:\Windows\avp.exe
C:\Windows\avp.exe
1⤵
- Executes dropped EXE
PID:2504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2504-21-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2504-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2504-29-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2504-16-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2504-17-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2504-18-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2504-28-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2504-19-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2504-27-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2504-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2504-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2504-25-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2504-26-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3032-0-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/3032-3-0x0000000000370000-0x00000000003B8000-memory.dmp

Filesize
288KB

Download
memory/3032-15-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads