0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf

General

Target

0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe
Size

1.0MB
MD5

51a313acb33f843bc7c9a8c511d5b282
SHA1

531ebda066e9fd03bde93840731fb6eb9e67698b
SHA256

0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf
SHA512

d7981baf6c6296976aa2e8db35f747e8bdb1b3aceaf1d720afe73d3a006a5c12bfbf4e909af264acffc41e9b512d80153218281ecdfc95fd03250da893c86648
SSDEEP

24576:v6Zv2ivhBVnFys7xP86LXtqWJ/eroQm2S7TmI7pnb:vE2ivhQs7dLX/Jyb7S7TmI7pb

Score

8^/10

discovery persistence upx

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 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\{5DE57CD4-8B9A-11D5-EBA1-F78EEEEEE983}	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5DE57CD4-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msmib32.exe"	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5DE57CD4-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5DE57CD4-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msmib32.exe"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2660	svchost.exe

Modifies system executable filetype association 2 TTPs 2 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\" %*"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2852-0-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral1/files/0x000a000000018654-5.dat	upx
behavioral1/files/0x00350000000173ac-15.dat	upx
behavioral1/memory/2852-13-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral1/memory/2660-17-0x0000000000400000-0x0000000000439000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 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"	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\msmib32.exe	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe
File opened for modification	C:\Windows\SysWOW64\msmib32.exe	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe
File created	C:\Windows\SysWOW64\concp32.exe	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe
File created	C:\Windows\SysWOW64\vcl32.exe	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\svchost.exe	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe
File opened for modification	C:\Windows\svchost.exe	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5DE57CD4-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5DE57CD4-8B9A-11D5-EBA1-F78EEEEEE983}	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5DE57CD4-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5DE57CD4-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5DE57CD4-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5DE57CD4-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5DE57CD4-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5DE57CD4-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 9451e4f3238029612105d50b049cbe20	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5DE57CD4-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5DE57CD4-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2852	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 2660	2852	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe	30
PID 2852 wrote to memory of 2660	2852	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe	30
PID 2852 wrote to memory of 2660	2852	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe	30
PID 2852 wrote to memory of 2660	2852	0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe	30

C:\Users\Admin\AppData\Local\Temp\0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.exe
"C:\Users\Admin\AppData\Local\Temp\0f58dcb7f9d497f3fa44278f49ddcc45143a6e732af2a43573d21d390db407bf.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
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Windows\svchost.exe
  C:\Windows\svchost.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2660

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
1.0MB

MD5
58d2107f2675e091be73d9ca4cf9af11

SHA1
385fac301c9dd3ef163ca4a02c28ef1b36a673aa

SHA256
2fcff6adcc60bf54f0bf7a295d53cca4e04bad9bb2137b7a7fc8d4c4a4f19a2f

SHA512
c0326ff61111db03126953b37103a6fce9e5b19fa6daa09387d72d82ea2df15a5a9bb9e84bec04384f819ef2c25622070cecbf9dabaa78e9cea41ab98818c9fe

Download Submit
C:\Windows\svchost.exe

Filesize
1.0MB

MD5
542a77fe36dbcc322a4fa7fc1e4a3605

SHA1
177574cba342c476334ca1a22ec460c587c02a9e

SHA256
e9879cf9218611d98ff1866c5c6fb7ad048e7cab5de5b56ca7ea7f584f450b8f

SHA512
e9d18b70591d9ae5c4b3cb5d85e67c96e09bfec53ab88b7614e83682b4d3b69a4cea8a351ef89526a50eba8bf4c9189ecb5f9df0bcd767f39e528cc5450b84dd

Download Submit
memory/2660-17-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2852-0-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2852-14-0x0000000000220000-0x0000000000259000-memory.dmp

Filesize
228KB

Download
memory/2852-13-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2852-16-0x0000000000220000-0x0000000000259000-memory.dmp

Filesize
228KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads