98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903f

General

Target

98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Size

522KB
MD5

38e068d2be79fc66cfeda97b900b9330
SHA1

26c231cc362fd511f7c73a0a0017443a55ec0e60
SHA256

98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903f
SHA512

c79ac30b20bad6d773314f43b375d0b50826b8cd044bd17cf74d6cbb1d1b566beb94093539ce268cb071f31bd68352ea814358a1766b2d2dc85b7a5a17a617dd
SSDEEP

12288:ntKe6Zv23YeVONkJDFPQeGySItg8lnZVUxP3tk1u:76Zv2l4kPQeGyp6tko

Score

8^/10

discovery persistence

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\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msryr32.exe"	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msryr32.exe"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1412	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\" %*"	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	svchost.exe

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"	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\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\concp32.exe	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
File created	C:\Windows\SysWOW64\vcl32.exe	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
File created	C:\Windows\SysWOW64\msryr32.exe	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
File opened for modification	C:\Windows\SysWOW64\msryr32.exe	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\svchost.exe	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
File opened for modification	C:\Windows\svchost.exe	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.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	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 7153e5822f6aa701adb5cb72701e1408	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2568	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 1412	2568	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe	30
PID 2568 wrote to memory of 1412	2568	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe	30
PID 2568 wrote to memory of 1412	2568	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe	30
PID 2568 wrote to memory of 1412	2568	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe	30

C:\Users\Admin\AppData\Local\Temp\98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
"C:\Users\Admin\AppData\Local\Temp\98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.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:2568
- 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:1412

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
522KB

MD5
7dde61ae7f5a3491bedfd6852681aeb5

SHA1
7af3a7f10a4fee0ad50b710e9baaebafe2d65dd4

SHA256
4c8b240b25e23f741b8901f660114d0973c87d4a414843a810f13efbb2c5021d

SHA512
3fd6a226f6727ccc0c44a4fbb0cd5566099989b0a2cb9b06b70b343e29061ecda50e6b7af1af0639d36e37b1dae49d0a4a487bfe907be93b23e6e2100720e46c

Download Submit
C:\Windows\svchost.exe

Filesize
525KB

MD5
aa75c41d699e1849058e4d822ffac758

SHA1
ab00600450f4aa6a418092ce746fc4761ac5ff3c

SHA256
f0b3175f207312539a12f40f25c6492672e80b7c19da30a2db43c97f24db4822

SHA512
860700d9315b609ca1e8a8c184963a0025c24ddca6f492392b1e73a6f11a55843f8e77c579961dfb9157cd701880417f0b28bedaa9a7436e35c4cd0d44c6d9d8

Download Submit
memory/1412-16-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2568-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2568-13-0x0000000000280000-0x00000000002B5000-memory.dmp

Filesize
212KB

Download
memory/2568-14-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads