b56d8c482459aaff642df4d6d567d540f691ebddf851edb46d8cdf3c2ecb2d93

Analysis

max time kernel
36s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 02:34

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General

Target

b56d8c482459aaff642df4d6d567d540f691ebddf851edb46d8cdf3c2ecb2d93.exe
Size

50KB
MD5

c2daf38c8c649f3ff9c68a4c79ea55e4
SHA1

1f86d7879174426c287528038f9a34ba11e8505f
SHA256

b56d8c482459aaff642df4d6d567d540f691ebddf851edb46d8cdf3c2ecb2d93
SHA512

4f063fa4da9a677210c79bf2fdc788c044dea5c38118de8a62238bf75c9cdedb2898124ced25d2e8b5739d3a4d21935be5e14fa47806ff2ffdb2d9c72a970b00
SSDEEP

768:eQJmE666HqpuAu7iJaJzzeWNWm9R7/fW6sQu4n91xJucYXsiDK+yvn4LZ7:eQUE56KpuAB4zeWRn7/fK0xgvsn4N

Score

8^/10

persistence

Malware Config

Signatures

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{BB58CADC-5B4A-C3A0-9315-C0CDB3387345}	b56d8c482459aaff642df4d6d567d540f691ebddf851edb46d8cdf3c2ecb2d93.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{BB58CADC-5B4A-C3A0-9315-C0CDB3387345}\stubpath = "%SystemRoot%\\system32\\vmtoolsd.exe"	b56d8c482459aaff642df4d6d567d540f691ebddf851edb46d8cdf3c2ecb2d93.exe

Deletes itself 1 IoCs

pid	Process
1096	cmd.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\vmtoolsd.exe	b56d8c482459aaff642df4d6d567d540f691ebddf851edb46d8cdf3c2ecb2d93.exe
File created	C:\Windows\SysWOW64\vmtoolsd.exe	b56d8c482459aaff642df4d6d567d540f691ebddf851edb46d8cdf3c2ecb2d93.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1992	b56d8c482459aaff642df4d6d567d540f691ebddf851edb46d8cdf3c2ecb2d93.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 972	1992	b56d8c482459aaff642df4d6d567d540f691ebddf851edb46d8cdf3c2ecb2d93.exe	26
PID 1992 wrote to memory of 972	1992	b56d8c482459aaff642df4d6d567d540f691ebddf851edb46d8cdf3c2ecb2d93.exe	26
PID 1992 wrote to memory of 972	1992	b56d8c482459aaff642df4d6d567d540f691ebddf851edb46d8cdf3c2ecb2d93.exe	26
PID 1992 wrote to memory of 972	1992	b56d8c482459aaff642df4d6d567d540f691ebddf851edb46d8cdf3c2ecb2d93.exe	26
PID 1992 wrote to memory of 1096	1992	b56d8c482459aaff642df4d6d567d540f691ebddf851edb46d8cdf3c2ecb2d93.exe	30
PID 1992 wrote to memory of 1096	1992	b56d8c482459aaff642df4d6d567d540f691ebddf851edb46d8cdf3c2ecb2d93.exe	30
PID 1992 wrote to memory of 1096	1992	b56d8c482459aaff642df4d6d567d540f691ebddf851edb46d8cdf3c2ecb2d93.exe	30
PID 1992 wrote to memory of 1096	1992	b56d8c482459aaff642df4d6d567d540f691ebddf851edb46d8cdf3c2ecb2d93.exe	30

C:\Users\Admin\AppData\Local\Temp\b56d8c482459aaff642df4d6d567d540f691ebddf851edb46d8cdf3c2ecb2d93.exe
"C:\Users\Admin\AppData\Local\Temp\b56d8c482459aaff642df4d6d567d540f691ebddf851edb46d8cdf3c2ecb2d93.exe"
1⤵
- Modifies Installed Components in the registry
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\reg.exe
  reg delete "HKEY_CURRENT_USER\Software\Microsoft\Active Setup\Installed Components\{BB58CADC-5B4A-C3A0-9315-C0CDB3387345}" /f
  2⤵
  PID:972
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\B56D8C~1.EXE > nul
  2⤵
  - Deletes itself
  PID:1096

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1992-54-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1992-55-0x0000000076141000-0x0000000076143000-memory.dmp

Filesize
8KB

Download
memory/1992-57-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1992-59-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download