bca7aae8e6eb969ad0a47f55305321ccb0866efcac9046da16bc67bd363fabea

Analysis

max time kernel
176s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 14:14

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General

Target

bca7aae8e6eb969ad0a47f55305321ccb0866efcac9046da16bc67bd363fabea.exe
Size

48KB
MD5

4d8e4f3924c8c53907573248b806de23
SHA1

9cbaa0d567d3b4f6faaad0a706ed17cc1f5bc5ad
SHA256

bca7aae8e6eb969ad0a47f55305321ccb0866efcac9046da16bc67bd363fabea
SHA512

71bdd054bcf61605607179782565a51b097223cedc7e739b38f769cf1a5fa5b7e0441af15a77e7da7d0abef22cbc429179ea5892153ce0eb254f4debfa71fdf5
SSDEEP

768:t+/oKmPb+yMy/Kqm81seaffpBdJjwtXl3A:t+9mj+DywhzputXhA

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\{EA1711BD-B782-661F-DE2F-07C12C6175C1}	bca7aae8e6eb969ad0a47f55305321ccb0866efcac9046da16bc67bd363fabea.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{EA1711BD-B782-661F-DE2F-07C12C6175C1}\stubpath = "%SystemRoot%\\system32\\V3Medic.exe"	bca7aae8e6eb969ad0a47f55305321ccb0866efcac9046da16bc67bd363fabea.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\V3Medic.exe	bca7aae8e6eb969ad0a47f55305321ccb0866efcac9046da16bc67bd363fabea.exe
File opened for modification	C:\Windows\SysWOW64\V3Medic.exe	bca7aae8e6eb969ad0a47f55305321ccb0866efcac9046da16bc67bd363fabea.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4936	bca7aae8e6eb969ad0a47f55305321ccb0866efcac9046da16bc67bd363fabea.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 1016	4936	bca7aae8e6eb969ad0a47f55305321ccb0866efcac9046da16bc67bd363fabea.exe	79
PID 4936 wrote to memory of 1016	4936	bca7aae8e6eb969ad0a47f55305321ccb0866efcac9046da16bc67bd363fabea.exe	79
PID 4936 wrote to memory of 1016	4936	bca7aae8e6eb969ad0a47f55305321ccb0866efcac9046da16bc67bd363fabea.exe	79
PID 4936 wrote to memory of 3296	4936	bca7aae8e6eb969ad0a47f55305321ccb0866efcac9046da16bc67bd363fabea.exe	81
PID 4936 wrote to memory of 3296	4936	bca7aae8e6eb969ad0a47f55305321ccb0866efcac9046da16bc67bd363fabea.exe	81
PID 4936 wrote to memory of 3296	4936	bca7aae8e6eb969ad0a47f55305321ccb0866efcac9046da16bc67bd363fabea.exe	81

C:\Users\Admin\AppData\Local\Temp\bca7aae8e6eb969ad0a47f55305321ccb0866efcac9046da16bc67bd363fabea.exe
"C:\Users\Admin\AppData\Local\Temp\bca7aae8e6eb969ad0a47f55305321ccb0866efcac9046da16bc67bd363fabea.exe"
1⤵
- Modifies Installed Components in the registry
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4936
- C:\Windows\SysWOW64\reg.exe
  reg delete "HKEY_CURRENT_USER\Software\Microsoft\Active Setup\Installed Components\{EA1711BD-B782-661F-DE2F-07C12C6175C1}" /f
  2⤵
  PID:1016
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\BCA7AA~1.EXE > nul
  2⤵
  PID:3296

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

Windows 7 deprecation

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