2f0ccba89b239c41fbf696ac20eb19b457f34b146b64ff23fe7e0ef9dca6b653

Analysis

max time kernel
151s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2024, 04:58

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General

Target

889dcfb95e9eb0de560fdebb1ca8e134.exe
Size

31KB
MD5

889dcfb95e9eb0de560fdebb1ca8e134
SHA1

fedd71e7dfb8e621fbcf21076b960124e1e3cfc8
SHA256

2f0ccba89b239c41fbf696ac20eb19b457f34b146b64ff23fe7e0ef9dca6b653
SHA512

9efd6dea02be28e09cebe2ad35e7850f5f09efc2747fef0cbaf1afb23150e903526e26abcb40fa8bd3520c1a76a52d8cae8d35031f2a29fd51705830cd0750e8
SSDEEP

768:HrH0Fg6dCRobVLtmKubsDxKNTy4SmXUKBs2EQVe6:HrHQURobXmKTmk6E0e

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4004	cservs.exe

Adds Run key to start application 2 TTPs 1 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\win32serv = "cservs.exe"	889dcfb95e9eb0de560fdebb1ca8e134.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\Images-2007-12.zip	889dcfb95e9eb0de560fdebb1ca8e134.exe
File created	C:\Windows\cservs.exe	889dcfb95e9eb0de560fdebb1ca8e134.exe
File opened for modification	C:\Windows\cservs.exe	889dcfb95e9eb0de560fdebb1ca8e134.exe
File opened for modification	C:\Windows\Images-2007-12.zip	cservs.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 4004	224	889dcfb95e9eb0de560fdebb1ca8e134.exe	84
PID 224 wrote to memory of 4004	224	889dcfb95e9eb0de560fdebb1ca8e134.exe	84
PID 224 wrote to memory of 4004	224	889dcfb95e9eb0de560fdebb1ca8e134.exe	84

C:\Users\Admin\AppData\Local\Temp\889dcfb95e9eb0de560fdebb1ca8e134.exe
"C:\Users\Admin\AppData\Local\Temp\889dcfb95e9eb0de560fdebb1ca8e134.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:224
- C:\Windows\cservs.exe
  "C:\Windows\cservs.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:4004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\cservs.exe

Filesize
31KB

MD5
889dcfb95e9eb0de560fdebb1ca8e134

SHA1
fedd71e7dfb8e621fbcf21076b960124e1e3cfc8

SHA256
2f0ccba89b239c41fbf696ac20eb19b457f34b146b64ff23fe7e0ef9dca6b653

SHA512
9efd6dea02be28e09cebe2ad35e7850f5f09efc2747fef0cbaf1afb23150e903526e26abcb40fa8bd3520c1a76a52d8cae8d35031f2a29fd51705830cd0750e8

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads