5f8900aec85fbc1470385549dfb6ee83bb440cdb70c490bcc09f24a994cc792f

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
14/10/2023, 18:05

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General

Target

NEAS.8fbdebbda4b82495cea9f98cae846760.exe
Size

204KB
MD5

8fbdebbda4b82495cea9f98cae846760
SHA1

983b70886f4a39ccefae72c006afa4c0820fcefe
SHA256

5f8900aec85fbc1470385549dfb6ee83bb440cdb70c490bcc09f24a994cc792f
SHA512

0ce8495d5d6aa8e8b692ef5a97e8f84e2e4a64fe390f96dadad3ac12052926e5f1a40252e16cbd4da9db95241fe1c0dbac2b58b7a7842b06707fbf52c5d6e712
SSDEEP

3072:bm6W8W0tQ9nLHbB9W0c1TqECzR/mkSYGrl9ymgYUWfgs:qPt4QxL7B9W0c1RCzR/fSmlMD

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	NEAS.8fbdebbda4b82495cea9f98cae846760.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	cjbed.exe

Executes dropped EXE 1 IoCs

pid	Process
2692	cjbed.exe

Loads dropped DLL 2 IoCs

pid	Process
2532	NEAS.8fbdebbda4b82495cea9f98cae846760.exe
2532	NEAS.8fbdebbda4b82495cea9f98cae846760.exe

Adds Run key to start application 2 TTPs 27 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /x"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /f"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /u"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /y"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /k"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /r"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /q"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /p"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /k"	NEAS.8fbdebbda4b82495cea9f98cae846760.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /z"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /e"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /j"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /o"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /b"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /h"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /g"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /v"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /n"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /d"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /t"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /l"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /m"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /i"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /s"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /a"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /c"	cjbed.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\cjbed = "C:\\Users\\Admin\\cjbed.exe /w"	cjbed.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2532	NEAS.8fbdebbda4b82495cea9f98cae846760.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe
2692	cjbed.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2532	NEAS.8fbdebbda4b82495cea9f98cae846760.exe
2692	cjbed.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2692	2532	NEAS.8fbdebbda4b82495cea9f98cae846760.exe	28
PID 2532 wrote to memory of 2692	2532	NEAS.8fbdebbda4b82495cea9f98cae846760.exe	28
PID 2532 wrote to memory of 2692	2532	NEAS.8fbdebbda4b82495cea9f98cae846760.exe	28
PID 2532 wrote to memory of 2692	2532	NEAS.8fbdebbda4b82495cea9f98cae846760.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.8fbdebbda4b82495cea9f98cae846760.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.8fbdebbda4b82495cea9f98cae846760.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Users\Admin\cjbed.exe
  "C:\Users\Admin\cjbed.exe"
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2692

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\cjbed.exe

Filesize
204KB

MD5
6bc664ac1541be5519b9eef7f378ecaf

SHA1
7fda76a78abf9c31d144ec22bf5c8aa01539dd54

SHA256
5973c57d9f6f22e4e47195f45f5329393b0df1a647f65dedab4ceddb3a217689

SHA512
fda61f39eb92caa24a82f3694867b3c2f39ba768e39ce90999cb8a1358ea229bb7221ef21ce67111dea7d8723fc098d79c0c03288eeb4ef0addbfc4c3bcc54e5

Download Submit
C:\Users\Admin\cjbed.exe

Filesize
204KB

MD5
6bc664ac1541be5519b9eef7f378ecaf

SHA1
7fda76a78abf9c31d144ec22bf5c8aa01539dd54

SHA256
5973c57d9f6f22e4e47195f45f5329393b0df1a647f65dedab4ceddb3a217689

SHA512
fda61f39eb92caa24a82f3694867b3c2f39ba768e39ce90999cb8a1358ea229bb7221ef21ce67111dea7d8723fc098d79c0c03288eeb4ef0addbfc4c3bcc54e5

Download Submit
C:\Users\Admin\cjbed.exe

Filesize
204KB

MD5
6bc664ac1541be5519b9eef7f378ecaf

SHA1
7fda76a78abf9c31d144ec22bf5c8aa01539dd54

SHA256
5973c57d9f6f22e4e47195f45f5329393b0df1a647f65dedab4ceddb3a217689

SHA512
fda61f39eb92caa24a82f3694867b3c2f39ba768e39ce90999cb8a1358ea229bb7221ef21ce67111dea7d8723fc098d79c0c03288eeb4ef0addbfc4c3bcc54e5

Download Submit
\Users\Admin\cjbed.exe

Filesize
204KB

MD5
6bc664ac1541be5519b9eef7f378ecaf

SHA1
7fda76a78abf9c31d144ec22bf5c8aa01539dd54

SHA256
5973c57d9f6f22e4e47195f45f5329393b0df1a647f65dedab4ceddb3a217689

SHA512
fda61f39eb92caa24a82f3694867b3c2f39ba768e39ce90999cb8a1358ea229bb7221ef21ce67111dea7d8723fc098d79c0c03288eeb4ef0addbfc4c3bcc54e5

Download Submit
\Users\Admin\cjbed.exe

Filesize
204KB

MD5
6bc664ac1541be5519b9eef7f378ecaf

SHA1
7fda76a78abf9c31d144ec22bf5c8aa01539dd54

SHA256
5973c57d9f6f22e4e47195f45f5329393b0df1a647f65dedab4ceddb3a217689

SHA512
fda61f39eb92caa24a82f3694867b3c2f39ba768e39ce90999cb8a1358ea229bb7221ef21ce67111dea7d8723fc098d79c0c03288eeb4ef0addbfc4c3bcc54e5

Download Submit