f19d2394583f6cace56543f7220620b0ea08b1043aafa614e2dff514a2a4b687

Analysis

max time kernel
149s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
16/07/2023, 16:55

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General

Target

7990f6fefa188d_JC.exe
Size

2.4MB
MD5

7990f6fefa188d9673dea961222a7dc1
SHA1

e871afcd57ec0960fa87c5de1fab94a831311ceb
SHA256

f19d2394583f6cace56543f7220620b0ea08b1043aafa614e2dff514a2a4b687
SHA512

95d94e047ac8a4c8134098828425d3a6e1297da6348d772764678bc16679f7cb9f4fb608bbc1a61465fb7ed4deac31c5bc277bc970d6211ee318bf8466556bf9
SSDEEP

49152:+mIfQf0D1MsToxyrIYLNiXicJFFRGNzj3:OQf0D11h7wRGpj3

Score

7^/10

Malware Config

Signatures

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-1-5-21-618519468-4027732583-1827558364-1000\Control Panel\International\Geo\Nation	7990f6fefa188d_JC.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000_Classes\Local Settings	7990f6fefa188d_JC.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
3224	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1452	7990f6fefa188d_JC.exe
1452	7990f6fefa188d_JC.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
640	Process not Found

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1452	7990f6fefa188d_JC.exe
1452	7990f6fefa188d_JC.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1452 wrote to memory of 3224	1452	7990f6fefa188d_JC.exe	94
PID 1452 wrote to memory of 3224	1452	7990f6fefa188d_JC.exe	94
PID 1452 wrote to memory of 3224	1452	7990f6fefa188d_JC.exe	94

C:\Users\Admin\AppData\Local\Temp\7990f6fefa188d_JC.exe
"C:\Users\Admin\AppData\Local\Temp\7990f6fefa188d_JC.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1452
- C:\Windows\SysWOW64\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\cpuz_driver_1452.log
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:3224

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\AppData\Local\Temp\cpuz_driver_1452.log

Filesize
563B

MD5
6c328dbea26729b37353b23703b972ca

SHA1
8f022c816ca39f377124961591bf282a2c49de8d

SHA256
4af380eed4ce32ed57f3a5338450551bb775b01eef9a81e533cd7c223429e8b3

SHA512
4b10299ebf35bce8694283bdb60f429341a10d294be3b7a33cc46555c12b392debfce06ecfa86a84023d01f60a49d7307999df006436b4df0fa8bbe55f57099a

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuz_driver_1452.log

Filesize
1KB

MD5
e04b572ede8441c504e255287740bf67

SHA1
cefe235182d5aaf9c19339745169df056b87cdfc

SHA256
81e9ee79bcac3054ee5f15912ca65e7301b26a047dd75c33f74e48662a58cd9f

SHA512
3f56c542ccd4f21749a6a7e023fed2cc633cfd16d67e27d8393859cebfb30ba0ca9d180bdd26f673d50506088d78b142ecf96aaecc1ff86dd2e050c21a7c5b56

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuz_driver_1452.log

Filesize
1KB

MD5
3906ff03f055a45fe368e2d3e9701323

SHA1
2d89a42c5e44dce35fa33b20c742fa678355b6c3

SHA256
ac2ec5fd112986e4122bc7413168951ae4f3ae730c8f26f8e8bf3be6f6dfc11b

SHA512
e75fb4ec98c3214ec581ab9905c12ea812173df11e4f693e483a91480cadef6930fcc4ccada04d290d22e82c21da8e958145843343c141d7cbf9aab6c59cefd1

Download Submit
memory/1452-133-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1452-161-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1452-173-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download