bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dc

General

Target

bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.exe
Size

518KB
MD5

f32c6f3be8c7020340b7530b86e88b00
SHA1

bf0256c1427152d6857d626e265078b4cecdf4ac
SHA256

bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dc
SHA512

bef5f624f56cdbbb3b840d870e0fef25f3609388758d28e671898085a3d115644b2cdca5fd78a4e15c11e1141b89f9bb7eaed2ad7ebad993ba878c4a7992db6f
SSDEEP

12288:HtKe6Zv23Y31Juc0jKLy2w/z5oTfVEzytsA+MvpeZ+:b6Zv2YubK1wr5oyzytD+y++

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\{46A0C8ED-8B9A-11D5-EBA1-F78EEEEEE983}	bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{46A0C8ED-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msvig32.exe"	bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.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\" %*"	bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.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"	bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vcl32.exe	bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.exe
File created	C:\Windows\SysWOW64\msvig32.exe	bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.exe
File opened for modification	C:\Windows\SysWOW64\msvig32.exe	bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.exe
File created	C:\Windows\SysWOW64\concp32.exe	bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2408	4328	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	bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46A0C8ED-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46A0C8ED-8B9A-11D5-EBA1-F78EEEEEE983}\ax = a0f8d0f3db9c6fcfcada916b5a11500b	bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46A0C8ED-8B9A-11D5-EBA1-F78EEEEEE983}	bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46A0C8ED-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4328	bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.exe

C:\Users\Admin\AppData\Local\Temp\bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.exe
"C:\Users\Admin\AppData\Local\Temp\bd7303de7c0aab78b788dfc289cad7a12b8c9987076ff5d0fe11c819922ec0dcN.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:4328
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4328 -s 712
  2⤵
  - Program crash
  PID:2408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4328 -ip 4328
1⤵
PID:3508

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
523KB

MD5
9a2d686530d93b500ddf918229045936

SHA1
96410e712b5314a66d13e78fae06c75ab7dc233b

SHA256
0b662644660f1357862dcd60691b12da0fc72817d78be2eb2f4d5aa1ca010222

SHA512
b129b8226d6dccec5127f8c9745248d10fe902ab6d3bbb82bbff45d8eac09b890fa4b365795fcd85f2738538c0a53376bffbe08f5c430faf48ccb4234f0b3f8a

Download Submit
memory/4328-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/4328-7-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads