6da9729b89ad6b0aff3f94e20754a9d46185fe0c9076aa950ddf8e4e720e5ef0

General

Target

PO# 459ARG1672020.scr
Size

709KB
MD5

64e367c58afd3f0b145184e91dbbc808
SHA1

a52a8e3d0051798672c435ac41cdfc8ac668a80a
SHA256

6da9729b89ad6b0aff3f94e20754a9d46185fe0c9076aa950ddf8e4e720e5ef0
SHA512

be5f65e091f171c3b749b421596906995b9280e573b2c05f78070cabd9d67fbf0550f59d78a32279ee0b967265f02d21b1caf8b96e1825c71eef9e7dbe78ac67

Score

8^/10

Malware Config

Signatures

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1292	PO# 459ARG1672020.scr
Token: SeDebugPrivilege	768	window.exe
Token: SeDebugPrivilege	1632	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1292	PO# 459ARG1672020.scr
1292	PO# 459ARG1672020.scr
1292	PO# 459ARG1672020.scr
768	window.exe
768	window.exe
768	window.exe
1632	InstallUtil.exe
1632	InstallUtil.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 1796	1292	PO# 459ARG1672020.scr	26
PID 1292 wrote to memory of 1796	1292	PO# 459ARG1672020.scr	26
PID 1292 wrote to memory of 1796	1292	PO# 459ARG1672020.scr	26
PID 1292 wrote to memory of 1796	1292	PO# 459ARG1672020.scr	26
PID 1796 wrote to memory of 1780	1796	cmd.exe	28
PID 1796 wrote to memory of 1780	1796	cmd.exe	28
PID 1796 wrote to memory of 1780	1796	cmd.exe	28
PID 1796 wrote to memory of 1780	1796	cmd.exe	28
PID 1292 wrote to memory of 768	1292	PO# 459ARG1672020.scr	29
PID 1292 wrote to memory of 768	1292	PO# 459ARG1672020.scr	29
PID 1292 wrote to memory of 768	1292	PO# 459ARG1672020.scr	29
PID 1292 wrote to memory of 768	1292	PO# 459ARG1672020.scr	29
PID 768 wrote to memory of 1632	768	window.exe	30
PID 768 wrote to memory of 1632	768	window.exe	30
PID 768 wrote to memory of 1632	768	window.exe	30
PID 768 wrote to memory of 1632	768	window.exe	30
PID 768 wrote to memory of 1632	768	window.exe	30
PID 768 wrote to memory of 1632	768	window.exe	30
PID 768 wrote to memory of 1632	768	window.exe	30
PID 768 wrote to memory of 1632	768	window.exe	30
PID 768 wrote to memory of 1632	768	window.exe	30
PID 768 wrote to memory of 1632	768	window.exe	30
PID 768 wrote to memory of 1632	768	window.exe	30
PID 768 wrote to memory of 1632	768	window.exe	30

Loads dropped DLL 2 IoCs

pid	Process
1292	PO# 459ARG1672020.scr
768	window.exe

Executes dropped EXE 2 IoCs

pid	Process
768	window.exe
1632	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 768 set thread context of 1632	768	window.exe	30

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run\window = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\Music\\window.exe"	reg.exe

C:\Users\Admin\AppData\Local\Temp\PO# 459ARG1672020.scr
"C:\Users\Admin\AppData\Local\Temp\PO# 459ARG1672020.scr" /S
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Loads dropped DLL
PID:1292
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v window /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\Music\window.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1796
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v window /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\Music\window.exe"
    3⤵
    - Adds Run key to start application
    PID:1780
- C:\Users\Admin\Music\window.exe
  "C:\Users\Admin\Music\window.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  - Loads dropped DLL
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:768
- - C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
    "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious behavior: EnumeratesProcesses
    - Executes dropped EXE
    PID:1632

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1632-14-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1632-17-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1632-18-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

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