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 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\{59AB28B4-8B9A-11D5-EBA1-F78EEEEEE983}	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{59AB28B4-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msfos32.exe"	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.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\" %*"	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.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"	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\msfos32.exe	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
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\msfos32.exe	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3412	3056	WerFault.exe	81

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	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{59AB28B4-8B9A-11D5-EBA1-F78EEEEEE983}	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{59AB28B4-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{59AB28B4-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{59AB28B4-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 2f0af4270a1296d7d581bea899669090	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3056	98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe

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
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:3056
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 712
  2⤵
  - Program crash
  PID:3412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3056 -ip 3056
1⤵
PID:3888

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
528KB

MD5
d1c0473a82c38e1634be34edf3abd17d

SHA1
4fa912c816ee73e21f9b452f7d583bd49fae44e6

SHA256
536f2b958874c551187559e60f06571bfe5285629233d5e05f9413dab96ecb71

SHA512
a4e1169c49ae17fb4833d3abedf88a1540cdc4f87955fe61189f89b0f3fd176729aae873919a063bacc6151691f80909f70d6f46c8942f9ee8b81cba0cd0a743

Download Submit
memory/3056-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/3056-7-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads