ae9802f5188e465c7456ecf925c2116a35921cde096cfd7457e732d8c5507699

General

Target

0c7d8cd046f19eb731544cd0fa3304de.exe
Size

100KB
MD5

0c7d8cd046f19eb731544cd0fa3304de
SHA1

da28a7ce81aa7ac42865225691c0b9ac412fb05e
SHA256

ae9802f5188e465c7456ecf925c2116a35921cde096cfd7457e732d8c5507699
SHA512

6b1e577e092e43aec4c0fbfb90f8226746d56838f37cefb286ccd11b2ff42535e4737b59401f973470eb8c47d060279efb3b60a7d240e116d30c62b5f46e075d
SSDEEP

3072:7M+o7RdH5I96p+X9J1hvAaHafSEyNDWQDU6ra0BnwuJ6EQ1sNG8bJZ:M7RZ5S6p+X9J1RAaHafSEyNDPDU6G0Br

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
5044	System.exe
2604	System.exe

UPX packed file 18 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3284-3-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3284-5-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3284-8-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2604-22-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3284-23-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2604-28-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2604-29-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2604-30-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2604-31-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2604-32-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2604-33-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2604-34-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2604-35-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2604-36-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2604-37-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2604-38-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2604-39-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/2604-40-0x0000000000400000-0x000000000044F000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MSN Messanger = "C:\\Windows\\System.exe"	0c7d8cd046f19eb731544cd0fa3304de.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1424 set thread context of 3284	1424	0c7d8cd046f19eb731544cd0fa3304de.exe	88
PID 5044 set thread context of 2604	5044	System.exe	92

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\System.exe	0c7d8cd046f19eb731544cd0fa3304de.exe
File opened for modification	C:\Windows\System.exe	0c7d8cd046f19eb731544cd0fa3304de.exe
File opened for modification	C:\Windows\System.exe	System.exe
File created	C:\Windows\System.exe	System.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1424	0c7d8cd046f19eb731544cd0fa3304de.exe
5044	System.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 3284	1424	0c7d8cd046f19eb731544cd0fa3304de.exe	88
PID 1424 wrote to memory of 3284	1424	0c7d8cd046f19eb731544cd0fa3304de.exe	88
PID 1424 wrote to memory of 3284	1424	0c7d8cd046f19eb731544cd0fa3304de.exe	88
PID 1424 wrote to memory of 3284	1424	0c7d8cd046f19eb731544cd0fa3304de.exe	88
PID 1424 wrote to memory of 3284	1424	0c7d8cd046f19eb731544cd0fa3304de.exe	88
PID 1424 wrote to memory of 3284	1424	0c7d8cd046f19eb731544cd0fa3304de.exe	88
PID 1424 wrote to memory of 3284	1424	0c7d8cd046f19eb731544cd0fa3304de.exe	88
PID 1424 wrote to memory of 3284	1424	0c7d8cd046f19eb731544cd0fa3304de.exe	88
PID 3284 wrote to memory of 5044	3284	0c7d8cd046f19eb731544cd0fa3304de.exe	91
PID 3284 wrote to memory of 5044	3284	0c7d8cd046f19eb731544cd0fa3304de.exe	91
PID 3284 wrote to memory of 5044	3284	0c7d8cd046f19eb731544cd0fa3304de.exe	91
PID 5044 wrote to memory of 2604	5044	System.exe	92
PID 5044 wrote to memory of 2604	5044	System.exe	92
PID 5044 wrote to memory of 2604	5044	System.exe	92
PID 5044 wrote to memory of 2604	5044	System.exe	92
PID 5044 wrote to memory of 2604	5044	System.exe	92
PID 5044 wrote to memory of 2604	5044	System.exe	92
PID 5044 wrote to memory of 2604	5044	System.exe	92
PID 5044 wrote to memory of 2604	5044	System.exe	92

C:\Users\Admin\AppData\Local\Temp\0c7d8cd046f19eb731544cd0fa3304de.exe
"C:\Users\Admin\AppData\Local\Temp\0c7d8cd046f19eb731544cd0fa3304de.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1424
- C:\Users\Admin\AppData\Local\Temp\0c7d8cd046f19eb731544cd0fa3304de.exe
  "C:\Users\Admin\AppData\Local\Temp\0c7d8cd046f19eb731544cd0fa3304de.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:3284
- - C:\Windows\System.exe
    "C:\Windows\System.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:5044
  - - C:\Windows\System.exe
      "C:\Windows\System.exe"
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      PID:2604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\System.exe

Filesize
100KB

MD5
0c7d8cd046f19eb731544cd0fa3304de

SHA1
da28a7ce81aa7ac42865225691c0b9ac412fb05e

SHA256
ae9802f5188e465c7456ecf925c2116a35921cde096cfd7457e732d8c5507699

SHA512
6b1e577e092e43aec4c0fbfb90f8226746d56838f37cefb286ccd11b2ff42535e4737b59401f973470eb8c47d060279efb3b60a7d240e116d30c62b5f46e075d

Download Submit
memory/1424-6-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1424-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2604-29-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2604-35-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2604-40-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2604-39-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2604-22-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2604-38-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2604-28-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2604-37-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2604-30-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2604-31-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2604-32-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2604-33-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2604-34-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2604-36-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3284-8-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3284-3-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3284-23-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3284-5-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/5044-21-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads