a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0

General

Target

a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.exe
Size

632KB
MD5

f414b6c5f95d8eff2900ea3705c1f61c
SHA1

cb0c87c8d36a7ddc49ecdae4018b2afe2e1adc4b
SHA256

a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0
SHA512

d2df9dcc551b93e212563a71ed850cea086799e37c0129e10ba4f17b1734a1f612019b009015c72ac73ee9500e1c4e6c48cc5499bdf0585ea6ce2f5bfa75e10f
SSDEEP

12288:7tKe6Zv23YLVFhl4futeZ3XVJRWCO8lcWEJ5IzZVfsw1R5ZY8vZ5QPap:v6Zv2ivhl0utedlJE98lRIcZl1R5Walp

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\{9E95D05-8B9A-11D5-EBA1-F78EEEEEE983}	a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{9E95D05-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msamn32.exe"	a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.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\" %*"	a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2568-0-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral2/files/0x0007000000023484-5.dat	upx
behavioral2/memory/2568-7-0x0000000000400000-0x0000000000439000-memory.dmp	upx

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\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\concp32.exe	a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.exe
File created	C:\Windows\SysWOW64\vcl32.exe	a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.exe
File created	C:\Windows\SysWOW64\msamn32.exe	a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.exe
File opened for modification	C:\Windows\SysWOW64\msamn32.exe	a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4072	2568	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	a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9E95D05-8B9A-11D5-EBA1-F78EEEEEE983}	a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9E95D05-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9E95D05-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9E95D05-8B9A-11D5-EBA1-F78EEEEEE983}\ax = c48e7ffab4fd1acb44f4fe91d8a00337	a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2568	a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.exe

C:\Users\Admin\AppData\Local\Temp\a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.exe
"C:\Users\Admin\AppData\Local\Temp\a7e753463b463ea6b405c541e932ca6a3b05c63c6b5372b53b9c6f46a92ba6e0.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:2568
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 744
  2⤵
  - Program crash
  PID:4072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2568 -ip 2568
1⤵
PID:4628

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\concp32.exe

Filesize
636KB

MD5
060279b74d43478da114d8e8769f78ff

SHA1
e2925cf020c0a1023ba2cddfa29114c2e030357f

SHA256
5434202d35f1e6e04d4d192b146e65566a866a198f0f060094f2e33674ceb14d

SHA512
5e411e129fba2b95a7082330d05570d85c0d752dee45c96cc76cc3ec37ed4cf2f8d36d7cfe9614d97b76b3df9007ecb5538356df3fbfecb40db66d070bd9986a

Download Submit
memory/2568-0-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2568-7-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads