24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880

General

Target

24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exe
Size

204KB
MD5

d5cf9f9aba4bbf387c22c9f25b267294
SHA1

ad7e76eb794cb45bda8d8ff3c35299342844af5c
SHA256

24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880
SHA512

524f29e9c3762b1ece14980465e29a5122a79f25048a08ddd58420cf2b4fc0a6e161323e1a3660eb3011c3a194ab23a733af59da2f131d75494b63cba8834e1e
SSDEEP

3072:amlW8p0tQ9nLHbB9W0c1TqECzR/mkSYGrl9ymgYUWqvB:V0O4QxL7B9W0c1RCzR/fSmlXB

Score

10^/10

discovery 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

Processes:

24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exezelen.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	zelen.exe

Executes dropped EXE 1 IoCs

Processes:

zelen.exe

pid process

2728 zelen.exe

pid	process
2728	zelen.exe

Loads dropped DLL 2 IoCs

Processes:

24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exe

pid	process
1576	24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exe
1576	24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exe

Adds Run key to start application 2 TTPs 27 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

zelen.exe24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /k"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /n"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /d"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /y"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /a"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /g"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /c"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /j"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /l"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /r"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /i"	24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /b"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /z"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /x"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /m"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /u"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /q"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /s"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /o"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /f"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /w"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /h"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /p"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /e"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /v"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /i"	zelen.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\zelen = "C:\\Users\\Admin\\zelen.exe /t"	zelen.exe

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

System Information Discovery
T1082

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

Processes:

zelen.exe24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zelen.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exezelen.exe

pid	process
1576	24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exe
2728	zelen.exe
2728	zelen.exe
2728	zelen.exe
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2728	zelen.exe
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2728	zelen.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exezelen.exe

pid process

1576 24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exe
2728 zelen.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exe

description	pid	process	target process
PID 1576 wrote to memory of 2728	1576	24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exe	zelen.exe
PID 1576 wrote to memory of 2728	1576	24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exe	zelen.exe
PID 1576 wrote to memory of 2728	1576	24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exe	zelen.exe
PID 1576 wrote to memory of 2728	1576	24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exe	zelen.exe

C:\Users\Admin\AppData\Local\Temp\24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exe
"C:\Users\Admin\AppData\Local\Temp\24f066d9e9ab486f3287f36793869289dd461d5c3b1e229034a9b77fd9edf880.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1576
- C:\Users\Admin\zelen.exe
  "C:\Users\Admin\zelen.exe"
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2728

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

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\zelen.exe

Filesize
204KB

MD5
3068f1c93f1f94d4682d24ce05d6e58f

SHA1
d262d0126949b96fa0526a1ff4409cc91b8f041e

SHA256
77aa37b4e7802fc31fe3122759d049206d794335ca28bba03217b0c0432c8139

SHA512
adaeaf3839611a7139b71f791506f4a78aab8ec39b8ee832d43c76c4236b6a0782008bcb58d41daf9dfb6908092e146e77b4961b485c1f873c91a229c12d3fe7

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads