c8e4a01097f6165d5fbd21634c867eba014dab1e81c89f5d29bf62c4cce7801e

Analysis

max time kernel
31s
max time network
156s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
06/07/2024, 22:39

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General

Target

ValidateKeys.py
Size

5KB
MD5

50beaf0ce06a7761027e935b5c18416a
SHA1

fca78d7112e25382990e61cfcd814d68e42f9a15
SHA256

c8e4a01097f6165d5fbd21634c867eba014dab1e81c89f5d29bf62c4cce7801e
SHA512

15f8de6395dbb300a33d6c5332cf01ae7ee99b1ba01e55bb21be46b89f79be65ecfda3e4a1ce77599a558caf27b2bfe13515df790f10c70454ddf6f1b9fbf398
SSDEEP

96:OeXl/iryahbTPVWhTTzPH9i98Z3HWqHJfRNGtnb3vJ/0M8W9fykShFm:B8yahbTPOTTLp324wrvJcrW9KkWm

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\py_auto_file\shell\edit	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\py_auto_file\shell\edit\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\py_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\py_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\py_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\py_auto_file\shell\open\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\py_auto_file	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2832	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2728	chrome.exe
2728	chrome.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2368	rundll32.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2728	chrome.exe
Token: SeShutdownPrivilege	2728	chrome.exe
Token: SeShutdownPrivilege	2728	chrome.exe
Token: SeShutdownPrivilege	2728	chrome.exe
Token: SeShutdownPrivilege	2728	chrome.exe
Token: SeShutdownPrivilege	2728	chrome.exe
Token: SeShutdownPrivilege	2728	chrome.exe
Token: SeShutdownPrivilege	2728	chrome.exe
Token: SeShutdownPrivilege	2728	chrome.exe
Token: SeShutdownPrivilege	2728	chrome.exe
Token: SeShutdownPrivilege	2728	chrome.exe
Token: SeShutdownPrivilege	2728	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe
2728	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2368	2384	cmd.exe	31
PID 2384 wrote to memory of 2368	2384	cmd.exe	31
PID 2384 wrote to memory of 2368	2384	cmd.exe	31
PID 2368 wrote to memory of 2832	2368	rundll32.exe	33
PID 2368 wrote to memory of 2832	2368	rundll32.exe	33
PID 2368 wrote to memory of 2832	2368	rundll32.exe	33
PID 2728 wrote to memory of 2764	2728	chrome.exe	36
PID 2728 wrote to memory of 2764	2728	chrome.exe	36
PID 2728 wrote to memory of 2764	2728	chrome.exe	36
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 316	2728	chrome.exe	38
PID 2728 wrote to memory of 480	2728	chrome.exe	39
PID 2728 wrote to memory of 480	2728	chrome.exe	39
PID 2728 wrote to memory of 480	2728	chrome.exe	39
PID 2728 wrote to memory of 692	2728	chrome.exe	40
PID 2728 wrote to memory of 692	2728	chrome.exe	40
PID 2728 wrote to memory of 692	2728	chrome.exe	40
PID 2728 wrote to memory of 692	2728	chrome.exe	40
PID 2728 wrote to memory of 692	2728	chrome.exe	40
PID 2728 wrote to memory of 692	2728	chrome.exe	40
PID 2728 wrote to memory of 692	2728	chrome.exe	40
PID 2728 wrote to memory of 692	2728	chrome.exe	40
PID 2728 wrote to memory of 692	2728	chrome.exe	40
PID 2728 wrote to memory of 692	2728	chrome.exe	40
PID 2728 wrote to memory of 692	2728	chrome.exe	40
PID 2728 wrote to memory of 692	2728	chrome.exe	40
PID 2728 wrote to memory of 692	2728	chrome.exe	40

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ValidateKeys.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ValidateKeys.py
  2⤵
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\ValidateKeys.py
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:2832

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef5fe9758,0x7fef5fe9768,0x7fef5fe9778
  2⤵
  PID:2764
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1132 --field-trial-handle=1212,i,1731546252909329198,4188776066898701289,131072 /prefetch:2
  2⤵
  PID:316
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1520 --field-trial-handle=1212,i,1731546252909329198,4188776066898701289,131072 /prefetch:8
  2⤵
  PID:480
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1612 --field-trial-handle=1212,i,1731546252909329198,4188776066898701289,131072 /prefetch:8
  2⤵
  PID:692
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2304 --field-trial-handle=1212,i,1731546252909329198,4188776066898701289,131072 /prefetch:1
  2⤵
  PID:2204
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2312 --field-trial-handle=1212,i,1731546252909329198,4188776066898701289,131072 /prefetch:1
  2⤵
  PID:1248
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1228 --field-trial-handle=1212,i,1731546252909329198,4188776066898701289,131072 /prefetch:2
  2⤵
  PID:1612
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1360 --field-trial-handle=1212,i,1731546252909329198,4188776066898701289,131072 /prefetch:1
  2⤵
  PID:832
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3716 --field-trial-handle=1212,i,1731546252909329198,4188776066898701289,131072 /prefetch:8
  2⤵
  PID:2420

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:2688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\Google\Chrome\User Data\Default\GPUCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
5KB

MD5
7703f769fb893b50c0ccd5eec8dc97f3

SHA1
96f6259ebc86628dc0481831bddd25cef15bc754

SHA256
e4c1f351bc9683b5e4db23ead748d7b6ddd4f248cabe75b4f2fc25098c77ea92

SHA512
02c10bd3e24294b0ea1501308e2939d23a94f7c317af866bb2b5b80dc64b3ce06eccf08e3626c5d24738d90b6c9c7269ff44b549d8a8efa765c18a48e52d4008

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
5KB

MD5
e9db0640450335e97292fa1b39685a6b

SHA1
677e036a668af8cf1a7708930ff149c3a28a75fa

SHA256
fb54d3d6daea2344ad58543bb2fb47ef070d0b366c1f35fc5a959dfe9a1e241e

SHA512
1611af508ab4fbb19f5f3117391ec61daa757c91dda7de2eb5f3daf0492c33fa5aa8d252ee2ca50802c4f6354ccdc33d325b95fcaf0822ea6678582cb00bc4c6

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

Filesize
16B

MD5
18e723571b00fb1694a3bad6c78e4054

SHA1
afcc0ef32d46fe59e0483f9a3c891d3034d12f32

SHA256
8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

SHA512
43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

Download Submit