30178e750e73839e5c1d60aeecab63d1c1d9059da0be19c7745f28ba06f35869

Analysis

max time kernel
891s
max time network
922s
platform
windows11-21h2_x64
resource
win11-20250207-en
resource tags

arch:x64arch:x86image:win11-20250207-enlocale:en-usos:windows11-21h2-x64system
submitted
09/02/2025, 15:25

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General

Target

windows/loaders/cortex_m.py
Size

9KB
MD5

5236901674a21e639ea94d2215501e69
SHA1

4c8880f5387739fe139a44781b531a29d9d61878
SHA256

a1e5bd9d5fd35f752edbcf9e9688ebdba04440c09a84dbd881725d73e11c709f
SHA512

7f161173fad7676fb3ebfe161b95b221dda12856ac2a10f0b0687f65afc6cd28c6cda495a23cc0b242a36284f7e29a8263901a8126fbefed61149af5b45ca6c7
SSDEEP

192:oIEMssqWEp8zT4qrUfwDKrqN2R7s6Jk3w/XDlyJ9lt:mOk5qMg

Score

3^/10

discovery

Malware Config

Signatures

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 4 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wermgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1488	MicrosoftEdgeUpdate.exe
2276	MicrosoftEdgeUpdate.exe
3088	MicrosoftEdgeUpdate.exe

Checks processor information in registry 2 TTPs 7 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	wermgr.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	wermgr.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1387034853-841019411-4036473919-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1387034853-841019411-4036473919-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1644	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\windows\loaders\cortex_m.py
1⤵
- Modifies registry class
PID:2888

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1644

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PG9lbSBwcm9kdWN0X21hbnVmYWN0dXJlcj0iIiBwcm9kdWN0X25hbWU9IiIvPjxleHAgZXRhZz0iJnF1b3Q7RSt4YkF6Nlk2c1UxMjg5YlM2cWw0VlJMYmtqZkJVR1RNSnNqckhyNDRpST0mcXVvdDsiLz48YXBwIGFwcGlkPSJ7OEE2OUQzNDUtRDU2NC00NjNjLUFGRjEtQTY5RDlFNTMwRjk2fSIgdmVyc2lvbj0iMTIzLjAuNjMxMi4xMjMiIG5leHR2ZXJzaW9uPSIiIGxhbmc9ImVuIiBicmFuZD0iR0dMUyIgY2xpZW50PSIiIGluc3RhbGxhZ2U9IjEiIGluc3RhbGxkYXRldGltZT0iMTczODk1NjY0MSIgb29iZV9pbnN0YWxsX3RpbWU9IjEzMzgzNDI5MjY4NjIxMDAwMCI-PGV2ZW50IGV2ZW50dHlwZT0iMzEiIGV2ZW50cmVzdWx0PSIxIiBlcnJvcmNvZGU9IjAiIGV4dHJhY29kZTE9IjIxNzk4NjIiIHN5c3RlbV91cHRpbWVfdGlja3M9IjU0MTAxNjk5MTMiLz48L2FwcD48L3JlcXVlc3Q-
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1488

C:\Windows\SysWOW64\wermgr.exe
"C:\Windows\system32\wermgr.exe" "-outproc" "0" "3496" "1200" "1196" "1292" "0" "0" "0" "0" "0" "0" "0" "0"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
PID:3388

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7ODM1QUU5QkItNzgzQy00MzJFLTlBN0MtNDhGMUNCMUJCODcyfSIgdXNlcmlkPSJ7NkMyMkExQ0UtQkVENC00RDg2LThCOUEtMDZDMTU2QjU5MDQxfSIgaW5zdGFsbHNvdXJjZT0ic2NoZWR1bGVyIiByZXF1ZXN0aWQ9IntFQTMzQ0IzMC0zOTBCLTRERDAtQUI0NC0zQjc5MUVFQzNFRDZ9IiBkZWR1cD0iY3IiIGRvbWFpbmpvaW5lZD0iMCI-PGh3IGxvZ2ljYWxfY3B1cz0iMiIgcGh5c21lbW9yeT0iNCIgZGlza190eXBlPSIyIiBzc2U9IjEiIHNzZTI9IjEiIHNzZTM9IjEiIHNzc2UzPSIxIiBzc2U0MT0iMSIgc3NlNDI9IjEiIGF2eD0iMSIvPjxvcyBwbGF0Zm9ybT0id2luIiB2ZXJzaW9uPSIxMC4wLjIyMDAwLjQ5MyIgc3A9IiIgYXJjaD0ieDY0IiBwcm9kdWN0X3R5cGU9IjQ4IiBpc193aXA9IjAiIGlzX2luX2xvY2tkb3duX21vZGU9IjAiLz48b2VtIHByb2R1Y3RfbWFudWZhY3R1cmVyPSIiIHByb2R1Y3RfbmFtZT0iIi8-PGV4cCBldGFnPSImcXVvdDtWUFFvUDFGK2ZxMTV3UnpoMWtQTDRQTXBXaDhPUk1CNWl6dnJPQy9jaGpRPSZxdW90OyIvPjxhcHAgYXBwaWQ9Ins1NkVCMThGOC1CMDA4LTRDQkQtQjZEMi04Qzk3RkU3RTkwNjJ9IiB2ZXJzaW9uPSIxMzIuMC4yOTU3LjE0MCIgbmV4dHZlcnNpb249IiIgbGFuZz0iIiBicmFuZD0iSU5CWCIgY2xpZW50PSIiIGluc3RhbGxhZ2U9IjEiIGluc3RhbGxkYXRldGltZT0iMTczODk1NjE2MiI-PGV2ZW50IGV2ZW50dHlwZT0iMzIiIGV2ZW50cmVzdWx0PSIxIiBlcnJvcmNvZGU9IjAiIGV4dHJhY29kZTE9IjQiIHN5c3RlbV91cHRpbWVfdGlja3M9IjU0Mjk1NDQ4NDciLz48L2FwcD48L3JlcXVlc3Q-
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2276

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7ODM1QUU5QkItNzgzQy00MzJFLTlBN0MtNDhGMUNCMUJCODcyfSIgdXNlcmlkPSJ7NkMyMkExQ0UtQkVENC00RDg2LThCOUEtMDZDMTU2QjU5MDQxfSIgaW5zdGFsbHNvdXJjZT0ic2NoZWR1bGVyIiByZXF1ZXN0aWQ9Ins0N0MzNjUyMy02MDAwLTQ1NjEtOTM0Qy05QjExM0FCM0U0QkZ9IiBkZWR1cD0iY3IiIGRvbWFpbmpvaW5lZD0iMCI-PGh3IGxvZ2ljYWxfY3B1cz0iMiIgcGh5c21lbW9yeT0iNCIgZGlza190eXBlPSIyIiBzc2U9IjEiIHNzZTI9IjEiIHNzZTM9IjEiIHNzc2UzPSIxIiBzc2U0MT0iMSIgc3NlNDI9IjEiIGF2eD0iMSIvPjxvcyBwbGF0Zm9ybT0id2luIiB2ZXJzaW9uPSIxMC4wLjIyMDAwLjQ5MyIgc3A9IiIgYXJjaD0ieDY0IiBwcm9kdWN0X3R5cGU9IjQ4IiBpc193aXA9IjAiIGlzX2luX2xvY2tkb3duX21vZGU9IjAiLz48b2VtIHByb2R1Y3RfbWFudWZhY3R1cmVyPSIiIHByb2R1Y3RfbmFtZT0iIi8-PGV4cCBldGFnPSImcXVvdDtWUFFvUDFGK2ZxMTV3UnpoMWtQTDRQTXBXaDhPUk1CNWl6dnJPQy9jaGpRPSZxdW90OyIvPjxhcHAgYXBwaWQ9IntGM0M0RkUwMC1FRkQ1LTQwM0ItOTU2OS0zOThBMjBGMUJBNEF9IiB2ZXJzaW9uPSIxLjMuMTk1LjQzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSIiIGJyYW5kPSJJTkJYIiBjbGllbnQ9IiIgaW5zdGFsbGFnZT0iMSIgY29ob3J0PSJycmZAMC4wOCI-PHVwZGF0ZWNoZWNrLz48cGluZyByPSIyIiByZD0iNjYxMiIgcGluZ19mcmVzaG5lc3M9Ins2RkJBQTk1RC1FM0UzLTQwRkEtQUVCNS0wRUIwMjZENjY4QTB9Ii8-PC9hcHA-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-PHBpbmcgcj0iMiIgcmQ9IjY2MTIiIHBpbmdfZnJlc2huZXNzPSJ7MkIyOUY3QkItN0QwRS00MzVDLUEyQjAtQTU2NzNEQkQwRjhFfSIvPjwvYXBwPjwvcmVxdWVzdD4
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3088

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --string-annotations --always-read-main-dll --field-trial-handle=3872,i,15826894020639999873,4923887073650822821,262144 --variations-seed-version --mojo-platform-channel-handle=2132 /prefetch:14
1⤵
PID:4688

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --string-annotations --always-read-main-dll --field-trial-handle=4184,i,15826894020639999873,4923887073650822821,262144 --variations-seed-version --mojo-platform-channel-handle=5356 /prefetch:14
1⤵
PID:3604

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --string-annotations --always-read-main-dll --field-trial-handle=3944,i,15826894020639999873,4923887073650822821,262144 --variations-seed-version --mojo-platform-channel-handle=3904 /prefetch:14
1⤵
PID:4932

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations --always-read-main-dll --field-trial-handle=5380,i,15826894020639999873,4923887073650822821,262144 --variations-seed-version --mojo-platform-channel-handle=3892 /prefetch:14
1⤵
PID:2900

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --string-annotations --always-read-main-dll --field-trial-handle=3732,i,15826894020639999873,4923887073650822821,262144 --variations-seed-version --mojo-platform-channel-handle=4240 /prefetch:14
1⤵
PID:124

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --string-annotations --always-read-main-dll --field-trial-handle=4144,i,15826894020639999873,4923887073650822821,262144 --variations-seed-version --mojo-platform-channel-handle=5704 /prefetch:14
1⤵
PID:4724

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

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Microsoft\EdgeUpdate\Log\MicrosoftEdgeUpdate.log

Filesize
352KB

MD5
cb58675c9ea7dd28eed52dd7134fb845

SHA1
ab7ad08bce87e06710f9412d0ef7ef224c6c8113

SHA256
fe26e45fca8bbee6499edfc8d369f1b99f879b3307d28ee7b0c2971658de08ad

SHA512
945faad5990c7e37ac884652fb1836580559cea9f3ffa5b653b79479b2832fbdcebc3f4ef72ae84f947ff78175a9bd49de9899cf1ffb17e2416816f306214091

Download Submit
C:\ProgramData\Microsoft\EdgeUpdate\Log\MicrosoftEdgeUpdate.log

Filesize
325KB

MD5
76bd589e7b4f1508284f6e5d8dd228e0

SHA1
7e1b76391ac4eedec40c38eac891fd115a02d54a

SHA256
81e794fcfa09be02b2b2536387329feaaa3af12a2f221e1902c1f6606c693654

SHA512
e1f08664bf24ace23984a19366a667732c305486f09edd0dfa3ff4ddb37c82f6c798f132531fc1e6a75f095a52661e43bed67de600a128656e556a86b692fe38

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads