asyncrat | a2026da11259eef54d6162eafef538d915895fcd42d42dae5d0c65c975c07145

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	Infected.exe

Executes dropped EXE 1 IoCs

pid	Process
1096	SteamWebHelper.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4984	timeout.exe

Enumerates system info in registry 2 TTPs 6 IoCs

Query Registry

System Information Discovery

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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.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 = "133767284878675227"	chrome.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
4808	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
5048	EXCEL.EXE
1096	SteamWebHelper.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
4620	Infected.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe
1096	SteamWebHelper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

pid	Process
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeDebugPrivilege	4620	Infected.exe
Token: SeDebugPrivilege	1096	SteamWebHelper.exe
Token: SeShutdownPrivilege	2552	chrome.exe
Token: SeCreatePagefilePrivilege	2552	chrome.exe
Token: SeShutdownPrivilege	2552	chrome.exe
Token: SeCreatePagefilePrivilege	2552	chrome.exe
Token: SeShutdownPrivilege	2552	chrome.exe
Token: SeCreatePagefilePrivilege	2552	chrome.exe
Token: SeShutdownPrivilege	2552	chrome.exe
Token: SeCreatePagefilePrivilege	2552	chrome.exe
Token: SeShutdownPrivilege	2552	chrome.exe
Token: SeCreatePagefilePrivilege	2552	chrome.exe

Suspicious use of FindShellTrayWindow 27 IoCs

pid	Process
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe
2552	chrome.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
5048	EXCEL.EXE
5048	EXCEL.EXE
5048	EXCEL.EXE
5048	EXCEL.EXE
5048	EXCEL.EXE
5048	EXCEL.EXE
5048	EXCEL.EXE
5048	EXCEL.EXE
5048	EXCEL.EXE
5048	EXCEL.EXE
5048	EXCEL.EXE
5048	EXCEL.EXE
1096	SteamWebHelper.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4620 wrote to memory of 5080	4620	Infected.exe	87
PID 4620 wrote to memory of 5080	4620	Infected.exe	87
PID 4620 wrote to memory of 4892	4620	Infected.exe	89
PID 4620 wrote to memory of 4892	4620	Infected.exe	89
PID 4892 wrote to memory of 4984	4892	cmd.exe	91
PID 4892 wrote to memory of 4984	4892	cmd.exe	91
PID 5080 wrote to memory of 4808	5080	cmd.exe	92
PID 5080 wrote to memory of 4808	5080	cmd.exe	92
PID 4892 wrote to memory of 1096	4892	cmd.exe	98
PID 4892 wrote to memory of 1096	4892	cmd.exe	98
PID 2552 wrote to memory of 4452	2552	chrome.exe	112
PID 2552 wrote to memory of 4452	2552	chrome.exe	112
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2452	2552	chrome.exe	113
PID 2552 wrote to memory of 2912	2552	chrome.exe	114
PID 2552 wrote to memory of 2912	2552	chrome.exe	114
PID 2552 wrote to memory of 2796	2552	chrome.exe	115
PID 2552 wrote to memory of 2796	2552	chrome.exe	115
PID 2552 wrote to memory of 2796	2552	chrome.exe	115
PID 2552 wrote to memory of 2796	2552	chrome.exe	115
PID 2552 wrote to memory of 2796	2552	chrome.exe	115
PID 2552 wrote to memory of 2796	2552	chrome.exe	115
PID 2552 wrote to memory of 2796	2552	chrome.exe	115
PID 2552 wrote to memory of 2796	2552	chrome.exe	115
PID 2552 wrote to memory of 2796	2552	chrome.exe	115
PID 2552 wrote to memory of 2796	2552	chrome.exe	115
PID 2552 wrote to memory of 2796	2552	chrome.exe	115
PID 2552 wrote to memory of 2796	2552	chrome.exe	115
PID 2552 wrote to memory of 2796	2552	chrome.exe	115
PID 2552 wrote to memory of 2796	2552	chrome.exe	115
PID 2552 wrote to memory of 2796	2552	chrome.exe	115
PID 2552 wrote to memory of 2796	2552	chrome.exe	115
PID 2552 wrote to memory of 2796	2552	chrome.exe	115
PID 2552 wrote to memory of 2796	2552	chrome.exe	115
PID 2552 wrote to memory of 2796	2552	chrome.exe	115
PID 2552 wrote to memory of 2796	2552	chrome.exe	115

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\Infected.exe
"C:\Users\Admin\AppData\Local\Temp\Infected.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4620
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "SteamWebHelper" /tr '"C:\Users\Admin\AppData\Roaming\SteamWebHelper.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5080
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "SteamWebHelper" /tr '"C:\Users\Admin\AppData\Roaming\SteamWebHelper.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4808
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpADA5.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4892
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4984
- - C:\Users\Admin\AppData\Roaming\SteamWebHelper.exe
    "C:\Users\Admin\AppData\Roaming\SteamWebHelper.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1096

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2552
- 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:4 --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=123.0.6312.123 --initial-client-data=0x118,0x11c,0x120,0xf4,0x124,0x7ffd7e16cc40,0x7ffd7e16cc4c,0x7ffd7e16cc58
  2⤵
  PID:4452
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1928,i,17684845734885543803,16122820352383005674,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1924 /prefetch:2
  2⤵
  PID:2452
- 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 --no-appcompat-clear --field-trial-handle=2108,i,17684845734885543803,16122820352383005674,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2228 /prefetch:3
  2⤵
  PID:2912
- 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=service --no-appcompat-clear --field-trial-handle=2268,i,17684845734885543803,16122820352383005674,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2556 /prefetch:8
  2⤵
  PID:2796
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3164,i,17684845734885543803,16122820352383005674,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3184 /prefetch:1
  2⤵
  PID:820
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3312,i,17684845734885543803,16122820352383005674,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3424 /prefetch:1
  2⤵
  PID:1384
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4516,i,17684845734885543803,16122820352383005674,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4556 /prefetch:1
  2⤵
  PID:1372
- 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 --no-appcompat-clear --field-trial-handle=4880,i,17684845734885543803,16122820352383005674,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4724 /prefetch:8
  2⤵
  PID:412
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4600,i,17684845734885543803,16122820352383005674,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4728 /prefetch:8
  2⤵
  PID:4040

C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
1⤵
PID:412

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
1⤵
PID:4656

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\Desktop\UpdateUnregister.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:5048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

System Information Discovery