0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559

General

Target

0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe
Size

1.0MB
MD5

6f9278ef68dc128dbfb5b26a2175ec80
SHA1

ab9f27efb21d8c374f029b731a7d72fc2427130d
SHA256

0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559
SHA512

aa3ae4019170a7aeff8b8371386565b4cbb0dba870b0a6cff8ce2cc0e9ccde19c24283fec0459994ec0c898613f6dc9cf66e1f6c7c8917480593072480cd7935
SSDEEP

24576:v6Zv2ivhBVnFys7xP86LkRCwPYfuukvDtiflQBU3jYY5QH:vE2ivhQs7dLkRumsUU3eH

Score

8^/10

discovery persistence upx

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{91E0483A-8B9A-11D5-EBA1-F78EEEEEE983}	0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{91E0483A-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mskmq32.exe"	0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe

Adds Run key to start application 2 TTPs 2 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\VCL = "vcl32.exe"	0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vcl32.exe	0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe
File created	C:\Windows\SysWOW64\mskmq32.exe	0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe
File opened for modification	C:\Windows\SysWOW64\mskmq32.exe	0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe
File created	C:\Windows\SysWOW64\concp32.exe	0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2244-0-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral2/files/0x000b000000023b79-5.dat	upx
behavioral2/memory/2244-7-0x0000000000400000-0x0000000000439000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3976	2244	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{91E0483A-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 7153b12e03c46e2b270e0ae6fa5f56bf	0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{91E0483A-8B9A-11D5-EBA1-F78EEEEEE983}	0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{91E0483A-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{91E0483A-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2244	0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe

C:\Users\Admin\AppData\Local\Temp\0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe
"C:\Users\Admin\AppData\Local\Temp\0f13a23d66d29cece0735366d0801a41ea02e2e54cd20f9a64200116fa196559N.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies system executable filetype association
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:2244
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 708
  2⤵
  - Program crash
  PID:3976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2244 -ip 2244
1⤵
PID:4040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\concp32.exe

Filesize
1.1MB

MD5
8f7f26733f8887dd23d40f4371360a25

SHA1
3eaaef844041bdf63a7fbb61e5ae6599cf36c1a3

SHA256
b27637b6f8eab830aa24b062a7df9ae27e4befaf1fe6071265e58734157d508b

SHA512
96a75117196e2f0c292a7ecad8941331e3e68407d8e4172a21417f1c319534751e35a54e32d76740d1cb89e3415604f21c942bc2adfd092d9ae3cd0228f135b3

Download Submit
memory/2244-0-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2244-7-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads