fb6f5a25053b0e603747551fb644c8feac3223b122a821dba56641ee28d33cb3

Analysis

max time kernel
150s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
08/07/2024, 03:55

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General

Target

dos.exe
Size

892KB
MD5

a59a2d3e5dda7aca6ec879263aa42fd3
SHA1

312d496ec90eb30d5319307d47bfef602b6b8c6c
SHA256

897b0d0e64cf87ac7086241c86f757f3c94d6826f949a1f0fec9c40892c0cecb
SHA512

852972ca4d7f9141ea56d3498388c61610492d36ea7d7af1b36d192d7e04dd6d9bc5830e0dcb0a5f8f55350d4d8aaac2869477686b03f998affbac6321a22030
SSDEEP

24576:bGzl9+a4Ne1nEFI56xU+0IdY2Zv952uetfbFEzP4UFhOt:b+tOWnEFZR0El0JEzQAh

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3920-7-0x0000000010000000-0x0000000010149000-memory.dmp	upx
behavioral2/memory/3920-8-0x0000000008F10000-0x0000000008F5C000-memory.dmp	upx
behavioral2/memory/3920-9-0x0000000008F10000-0x0000000008F5C000-memory.dmp	upx
behavioral2/memory/3920-12-0x0000000008F10000-0x0000000008F5C000-memory.dmp	upx
behavioral2/memory/3920-11-0x0000000010000000-0x0000000010149000-memory.dmp	upx

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
12	ipinfo.io

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3920	dos.exe
3920	dos.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-661257284-3186977026-4220467887-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Use FormSuggest = "No"	dos.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-661257284-3186977026-4220467887-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FormSuggest Passwords = "No"	dos.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-661257284-3186977026-4220467887-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FormSuggest PW Ask = "No"	dos.exe

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	19	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3920	dos.exe

Suspicious behavior: EnumeratesProcesses 56 IoCs

pid	Process
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3920	dos.exe
3920	dos.exe
3920	dos.exe
3920	dos.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3920	dos.exe
3920	dos.exe
3920	dos.exe

C:\Users\Admin\AppData\Local\Temp\dos.exe
"C:\Users\Admin\AppData\Local\Temp\dos.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3920

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 --field-trial-handle=4064,i,4226873509039249198,15952596839998010243,262144 --variations-seed-version --mojo-platform-channel-handle=1280 /prefetch:8
1⤵
PID:2384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3920-0-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/3920-1-0x0000000073DF5000-0x0000000074413000-memory.dmp

Filesize
6.1MB

Download
memory/3920-2-0x0000000073930000-0x0000000075101000-memory.dmp

Filesize
23.8MB

Download
memory/3920-5-0x0000000073930000-0x0000000075101000-memory.dmp

Filesize
23.8MB

Download
memory/3920-7-0x0000000010000000-0x0000000010149000-memory.dmp

Filesize
1.3MB

Download
memory/3920-8-0x0000000008F10000-0x0000000008F5C000-memory.dmp

Filesize
304KB

Download
memory/3920-9-0x0000000008F10000-0x0000000008F5C000-memory.dmp

Filesize
304KB

Download
memory/3920-12-0x0000000008F10000-0x0000000008F5C000-memory.dmp

Filesize
304KB

Download
memory/3920-11-0x0000000010000000-0x0000000010149000-memory.dmp

Filesize
1.3MB

Download
memory/3920-13-0x0000000073DF5000-0x0000000074413000-memory.dmp

Filesize
6.1MB

Download
memory/3920-14-0x0000000073930000-0x0000000075101000-memory.dmp

Filesize
23.8MB

Download