91f03d4aefac1d3ad9067761450f48093dcddc567bbca92d3dcb221a4bb23378

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/03/2024, 23:47

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General

Target

91f03d4aefac1d3ad9067761450f48093dcddc567bbca92d3dcb221a4bb23378.exe
Size

364KB
MD5

2857bbd256426c281ec69bdd84c97e9d
SHA1

542a43c85687bcdb7d1830fd5c503a13a97a17c2
SHA256

91f03d4aefac1d3ad9067761450f48093dcddc567bbca92d3dcb221a4bb23378
SHA512

1b0f6bde4e86ff01fea795a9c357c9643ebdcaf4c54d027b4b3eb20199d828022f4a36b20482c4ddc4ac657782d527bfee3615202ac95c82cfaf58a0f64c667e
SSDEEP

1536:wmM6l02OnFBJii6Hf8O6j6/t66366Z6Jz36s6eA66KD6sqG/Oj9h6FA8HxAH6xMt:1O2OnFfSkAz0LMZZZZWMkIJj

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-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	91f03d4aefac1d3ad9067761450f48093dcddc567bbca92d3dcb221a4bb23378.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	jeoom.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	91f03d4aefac1d3ad9067761450f48093dcddc567bbca92d3dcb221a4bb23378.exe

Executes dropped EXE 1 IoCs

pid	Process
2020	jeoom.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-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /x"	91f03d4aefac1d3ad9067761450f48093dcddc567bbca92d3dcb221a4bb23378.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /c"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /h"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /m"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /q"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /b"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /a"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /i"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /f"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /u"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /k"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /v"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /d"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /x"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /s"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /t"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /y"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /r"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /p"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /n"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /j"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /o"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /g"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /e"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /l"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /z"	jeoom.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jeoom = "C:\\Users\\Admin\\jeoom.exe /w"	jeoom.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
3240	91f03d4aefac1d3ad9067761450f48093dcddc567bbca92d3dcb221a4bb23378.exe
3240	91f03d4aefac1d3ad9067761450f48093dcddc567bbca92d3dcb221a4bb23378.exe
2020	jeoom.exe
2020	jeoom.exe
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2020	jeoom.exe
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2020	jeoom.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3240	91f03d4aefac1d3ad9067761450f48093dcddc567bbca92d3dcb221a4bb23378.exe
2020	jeoom.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3240 wrote to memory of 2020	3240	91f03d4aefac1d3ad9067761450f48093dcddc567bbca92d3dcb221a4bb23378.exe	90
PID 3240 wrote to memory of 2020	3240	91f03d4aefac1d3ad9067761450f48093dcddc567bbca92d3dcb221a4bb23378.exe	90
PID 3240 wrote to memory of 2020	3240	91f03d4aefac1d3ad9067761450f48093dcddc567bbca92d3dcb221a4bb23378.exe	90

C:\Users\Admin\AppData\Local\Temp\91f03d4aefac1d3ad9067761450f48093dcddc567bbca92d3dcb221a4bb23378.exe
"C:\Users\Admin\AppData\Local\Temp\91f03d4aefac1d3ad9067761450f48093dcddc567bbca92d3dcb221a4bb23378.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3240
- C:\Users\Admin\jeoom.exe
  "C:\Users\Admin\jeoom.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:2020

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\jeoom.exe

Filesize
364KB

MD5
e1e5723de493ed0f7f6e3e73be804471

SHA1
1f8a77d0cb63d722b84d00c714ed351d6073dd95

SHA256
e64bb2c3c354b69c608aa905188c111d5c0a124d1193a1a3694c5632d89b657b

SHA512
e02f7f50a59153f53c839f918c90d637f77c9c05fde5924f2132d64fa7215932242441a7a0ce26add75ae8fcf91be9e758551d04ec6be26ee2c67652032cce81

Download Submit
memory/2020-22-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3240-0-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download