1605bb64e40e88c32c72575dc5d0a1c8b20aee94ddb7c5dd21a0d8eeb6ce6f9f

General

Target

8397c3d2363d9a31483e8113a0e8a7b0N.exe
Size

96KB
MD5

8397c3d2363d9a31483e8113a0e8a7b0
SHA1

deb6ea523ee2d12e0c38dcc103ba4fce4558b355
SHA256

1605bb64e40e88c32c72575dc5d0a1c8b20aee94ddb7c5dd21a0d8eeb6ce6f9f
SHA512

92c0a3d001aba5decc5ee28ea807312b980bd59b848d0cc5835e66ad8cc3baf99830295da6d399469412ff7fd5d08e81e435390926eec0b58705926d1b223b7a
SSDEEP

1536:J+jorYjLZoTIsFzfuifMfP0hWagAziqWyUry5ZMHeoRQ+xR5R45WtqV9R2R462iW:JzkXZoFju9vkzifOvoe+xHrtG9MW3+3W

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	8397c3d2363d9a31483e8113a0e8a7b0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79ECA078-17FF-726B-E811-213280E5C831}"	8397c3d2363d9a31483e8113a0e8a7b0N.exe

Executes dropped EXE 1 IoCs

pid	Process
2712	Cacacg32.exe

Loads dropped DLL 6 IoCs

pid	Process
2880	8397c3d2363d9a31483e8113a0e8a7b0N.exe
2880	8397c3d2363d9a31483e8113a0e8a7b0N.exe
3016	WerFault.exe
3016	WerFault.exe
3016	WerFault.exe
3016	WerFault.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Cacacg32.exe	8397c3d2363d9a31483e8113a0e8a7b0N.exe
File opened for modification	C:\Windows\SysWOW64\Cacacg32.exe	8397c3d2363d9a31483e8113a0e8a7b0N.exe
File created	C:\Windows\SysWOW64\Fdlpjk32.dll	8397c3d2363d9a31483e8113a0e8a7b0N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3016	2712	WerFault.exe	30

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	8397c3d2363d9a31483e8113a0e8a7b0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Cacacg32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79ECA078-17FF-726B-E811-213280E5C831}\InProcServer32	8397c3d2363d9a31483e8113a0e8a7b0N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	8397c3d2363d9a31483e8113a0e8a7b0N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	8397c3d2363d9a31483e8113a0e8a7b0N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79ECA078-17FF-726B-E811-213280E5C831}	8397c3d2363d9a31483e8113a0e8a7b0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79ECA078-17FF-726B-E811-213280E5C831}\InProcServer32\ = "C:\\Windows\\SysWow64\\Fdlpjk32.dll"	8397c3d2363d9a31483e8113a0e8a7b0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79ECA078-17FF-726B-E811-213280E5C831}\InProcServer32\ThreadingModel = "Apartment"	8397c3d2363d9a31483e8113a0e8a7b0N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2712	2880	8397c3d2363d9a31483e8113a0e8a7b0N.exe	30
PID 2880 wrote to memory of 2712	2880	8397c3d2363d9a31483e8113a0e8a7b0N.exe	30
PID 2880 wrote to memory of 2712	2880	8397c3d2363d9a31483e8113a0e8a7b0N.exe	30
PID 2880 wrote to memory of 2712	2880	8397c3d2363d9a31483e8113a0e8a7b0N.exe	30
PID 2712 wrote to memory of 3016	2712	Cacacg32.exe	31
PID 2712 wrote to memory of 3016	2712	Cacacg32.exe	31
PID 2712 wrote to memory of 3016	2712	Cacacg32.exe	31
PID 2712 wrote to memory of 3016	2712	Cacacg32.exe	31

C:\Users\Admin\AppData\Local\Temp\8397c3d2363d9a31483e8113a0e8a7b0N.exe
"C:\Users\Admin\AppData\Local\Temp\8397c3d2363d9a31483e8113a0e8a7b0N.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Windows\SysWOW64\Cacacg32.exe
  C:\Windows\system32\Cacacg32.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 140
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:3016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

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\Cacacg32.exe

Filesize
96KB

MD5
0be425321d169acdbb09c4da1e0b1ee2

SHA1
aa19c5d3c78573401c59539993d40e16081f39ca

SHA256
fd0fe6b9b013dbea93418fdd82150accd76adcf027e0d39fbc680932fb7049ef

SHA512
b914df58690933dc0287595f99a0557e7f2d2c84132565303b3689c39ebe911d7f15ae67881a5f591b6ec0d75c98f99bf8fc6aa105af4aad3ef47987abb6bf7f

Download Submit
memory/2712-13-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2880-0-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2880-12-0x0000000000250000-0x0000000000291000-memory.dmp

Filesize
260KB

Download
memory/2880-18-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads