hxxps://expolivingbolivar[.]com/will/script[.]a3x

Analysis

max time kernel
77s
max time network
82s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
18/07/2023, 00:26

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General

Target

https://expolivingbolivar.com/will/script.a3x

Score

1^/10

Malware Config

Signatures

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 data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133341135972215263"	chrome.exe

Modifies registry class 3 IoCs

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

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
3828	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2492	chrome.exe
2492	chrome.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1008	OpenWith.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
2492	chrome.exe
2492	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe
Token: SeShutdownPrivilege	2492	chrome.exe
Token: SeCreatePagefilePrivilege	2492	chrome.exe

Suspicious use of FindShellTrayWindow 33 IoCs

pid	Process
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe
2492	chrome.exe

Suspicious use of SetWindowsHookEx 22 IoCs

pid	Process
4540	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe
1008	OpenWith.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 3380	2492	chrome.exe	82
PID 2492 wrote to memory of 3380	2492	chrome.exe	82
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4388	2492	chrome.exe	88
PID 2492 wrote to memory of 4500	2492	chrome.exe	87
PID 2492 wrote to memory of 4500	2492	chrome.exe	87
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86
PID 2492 wrote to memory of 4972	2492	chrome.exe	86

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://expolivingbolivar.com/will/script.a3x
1⤵
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2492
- 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffa25e09758,0x7ffa25e09768,0x7ffa25e09778
  2⤵
  PID:3380
- 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=2188 --field-trial-handle=1856,i,18240328134333900890,3294840253990389567,131072 /prefetch:8
  2⤵
  PID:4972
- 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=2140 --field-trial-handle=1856,i,18240328134333900890,3294840253990389567,131072 /prefetch:8
  2⤵
  PID:4500
- 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=1656 --field-trial-handle=1856,i,18240328134333900890,3294840253990389567,131072 /prefetch:2
  2⤵
  PID:4388
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3108 --field-trial-handle=1856,i,18240328134333900890,3294840253990389567,131072 /prefetch:1
  2⤵
  PID:1172
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --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=3092 --field-trial-handle=1856,i,18240328134333900890,3294840253990389567,131072 /prefetch:1
  2⤵
  PID:1268
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5144 --field-trial-handle=1856,i,18240328134333900890,3294840253990389567,131072 /prefetch:8
  2⤵
  PID:1444
- 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=5352 --field-trial-handle=1856,i,18240328134333900890,3294840253990389567,131072 /prefetch:8
  2⤵
  PID:3312
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5408 --field-trial-handle=1856,i,18240328134333900890,3294840253990389567,131072 /prefetch:8
  2⤵
  PID:5008

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:3196

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4540

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4444

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1008
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Downloads\script.a3x
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:3828

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

Filesize
1KB

MD5
8a1f10db01712b967f0b0c64630514ea

SHA1
9ab7f67e389d59c3808f67677f1604eeaa4f88fc

SHA256
c72e0efda77f6c080a79dfb342cd2d5741f04a387b03a8df8614e2581ce2a90e

SHA512
5e244e65286b42d840b3c125c8520c18b5c6abbd45835b58eaf3630b66a8f4aa2bc289c7d980bcc37a7975848a3f1f96a4e673a01bde0ae392c3d59b3f8043c8

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

Filesize
6KB

MD5
122d06029d17a76326400233b53029af

SHA1
149ff6339c8b26d239a0a3566db56ddea4805bfa

SHA256
dc227f3acd26377a16edeb969b5b2d86058193178904921f1e0cc6074d248009

SHA512
a27ac0b4e43391727d596e11e46b36b18054c9194abc7cc78c83b15b718c397a379e27694683077985b9e4941c0296ae2f7c5dfc1be5b62403393ce60360c9ee

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

Filesize
87KB

MD5
5b1fae6079bc7c6d70fa9ac708467935

SHA1
b230a22672aa237c8ba93b185dcf1a62ca053d76

SHA256
1aa5e5756935db6b5f46a06cae20c3ff95232b6faf9cba285b6cb13466df5389

SHA512
fde95b6bf4cea09deffeb95a3a76fa49bfe920a10d939cfaca4edc97bab296923ac8a7b63b9b8b2f329789c4cef524a8b875c1e04707bd000f216bd2a28632b6

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

Filesize
2B

MD5
99914b932bd37a50b983c5e7c90ae93b

SHA1
bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

SHA256
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

SHA512
27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

Download Submit
C:\Users\Admin\Downloads\script.a3x

Filesize
146KB

MD5
c590e42373ad159cfebefb0ad5f13f34

SHA1
6d55b551f01ed3dfe5e3b5be8c021593b4949705

SHA256
49eec97300e15eb4c10e35af0a1762413f47edaee24fa345f870890a7c0a0220

SHA512
447d491423d21a1e6ace43d8e4f9fc3f9fc16ee2a8711f97098df5d14684e43f0762767663ae05ae86ce56dc150e047ec1b28e18df4a82e2138fee7e6694b6d3

Download Submit
C:\Users\Admin\Downloads\script.a3x

Filesize
146KB

MD5
c590e42373ad159cfebefb0ad5f13f34

SHA1
6d55b551f01ed3dfe5e3b5be8c021593b4949705

SHA256
49eec97300e15eb4c10e35af0a1762413f47edaee24fa345f870890a7c0a0220

SHA512
447d491423d21a1e6ace43d8e4f9fc3f9fc16ee2a8711f97098df5d14684e43f0762767663ae05ae86ce56dc150e047ec1b28e18df4a82e2138fee7e6694b6d3

Download Submit