bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521

General

Target

bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe
Size

1.0MB
MD5

fde0f2fb8236183851e836696fc4f690
SHA1

3aa6fa1a0db9e0435dbf6f3514ef1f612c2352a1
SHA256

bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521
SHA512

7605d1ac4d24c44b38e0d54e50e71107fff3141dd8cbea91ebf258b3a67259f52946dc003dce5fee36b2543af1afb9a62e8f28fe578fb23f726c834f39184db2
SSDEEP

24576:v6Zv2ivhBVnFys7xP86LXtqWJ/ej0umQf8/+1gFDseF:vE2ivhQs7dLX/JkZ8/+1gFsY

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\{80733349-8B9A-11D5-EBA1-F78EEEEEE983}	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{80733349-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msmru32.exe"	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{80733349-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{80733349-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msmru32.exe"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2560	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\" %*"	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.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"	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\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\vcl32.exe	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe
File created	C:\Windows\SysWOW64\msmru32.exe	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe
File opened for modification	C:\Windows\SysWOW64\msmru32.exe	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe
File created	C:\Windows\SysWOW64\concp32.exe	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2112-0-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral1/files/0x000800000001659b-5.dat	upx
behavioral1/memory/2112-15-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral1/files/0x000800000001613e-16.dat	upx
behavioral1/memory/2560-17-0x0000000000400000-0x0000000000439000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.exe	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe
File created	C:\Windows\svchost.exe	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.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	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{80733349-8B9A-11D5-EBA1-F78EEEEEE983}	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{80733349-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{80733349-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{80733349-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{80733349-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	svchost.exe
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\{80733349-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{80733349-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{80733349-8B9A-11D5-EBA1-F78EEEEEE983}\ax = e99df35fd9d904aa5de85a9ac645a986	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{80733349-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{80733349-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2112	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2560	2112	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe	30
PID 2112 wrote to memory of 2560	2112	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe	30
PID 2112 wrote to memory of 2560	2112	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe	30
PID 2112 wrote to memory of 2560	2112	bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe	30

C:\Users\Admin\AppData\Local\Temp\bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.exe
"C:\Users\Admin\AppData\Local\Temp\bcaed0f076f447fe440764bfa41744b5ecdca9c137d6757f533b88b133849521N.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:2112
- 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:2560

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
959750cc34f827aa2280b9da4e9bfb89

SHA1
45e75c11e73ef45aebc3763765e94a4fa7122c5c

SHA256
a77f5f6a25c332a97c2488a9033c79d1be1bb620f023982de34a40a1e25f2a9b

SHA512
0765bae66ea0e4f54156f6cd24e3343bcbf104ecc86c0f672da3850d5600d82f87f7ae359f9d1c45d11aa9607dda4e2cbeade589dd1169bd14f5dfedcc362588

Download Submit
C:\Windows\svchost.exe

Filesize
1.0MB

MD5
7617c0a9efccb1f929e62b2bb21f863c

SHA1
ee7e70fed44b3b764dfb3b20aa4115fe4d9fcc1c

SHA256
eb98ee03a8893d0749342125ba9b3af3afd2661318c2c9bccc1175de557502bd

SHA512
86fb96d629b2735da336c32f533fd9e361a46b33be354c58f0811acbbc40556721bf4200f9cc82da6fafb3b50455cfbfb82259cd01e08e5a8a4b1a79e7cbddb8

Download Submit
memory/2112-0-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2112-15-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2112-14-0x0000000000220000-0x0000000000259000-memory.dmp

Filesize
228KB

Download
memory/2112-13-0x0000000000220000-0x0000000000259000-memory.dmp

Filesize
228KB

Download
memory/2560-17-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads