c40d4c8da41f0f831d5f3987c9a819949586090e372e1749200c1ec42037f726

Analysis

max time kernel
146s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05-06-2024 16:20

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General

Target

changeme/Binary 1.7/build_4_17_2014_id29303.exe
Size

138KB
MD5

e9a2d2b26f5f267ccc00806bc7d3963a
SHA1

b92338b6db3810880824529e227a6650d529af4a
SHA256

62dd0d4b0ac16f65e363b601e65cbc171d0c48c528fd9bf71f5561f0b3f877a2
SHA512

1510a489775b083cf1f522a6c22f53a360fd1fb67042ff3ee70eadf078d21015d1da1bea3c30f2a0a1e648db81bd9782dd3c59f4f11d374bdc960de03b2a5a93
SSDEEP

3072:rXDPYNQtaE3M209bZTxFkXSBP8hVPkuK8lCpiSq:rXD/yb1fX8hV8uKuC

Score

8^/10

persistence

Malware Config

Signatures

Sets file execution options in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

build_4_17_2014_id29303.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sqkxhyxfq.exe\DisableExceptionChainValidation	build_4_17_2014_id29303.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sqkxhyxfq.exe	build_4_17_2014_id29303.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

build_4_17_2014_id29303.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	build_4_17_2014_id29303.exe

Checks for any installed AV software in registry 1 TTPs 2 IoCs

Security Software Discovery

T1518.001

Processes:

build_4_17_2014_id29303.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Avira	build_4_17_2014_id29303.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\avast! Antivirus	build_4_17_2014_id29303.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

build_4_17_2014_id29303.exe

description ioc process

File created C:\ProgramData\bytedraft\desktop.ini build_4_17_2014_id29303.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File created	C:\ProgramData\bytedraft\desktop.ini	build_4_17_2014_id29303.exe

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

build_4_17_2014_id29303.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2	build_4_17_2014_id29303.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build_4_17_2014_id29303.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	build_4_17_2014_id29303.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	build_4_17_2014_id29303.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

1096 schtasks.exe

pid	process
1096	schtasks.exe

Modifies registry class 6 IoCs

Processes:

build_4_17_2014_id29303.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID\{1125D585-9B8C-1645-8392-FD7FA863CC40}\168A0415\CG1	build_4_17_2014_id29303.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID	build_4_17_2014_id29303.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID\{1125D585-9B8C-1645-8392-FD7FA863CC40}	build_4_17_2014_id29303.exe
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID\{1125D585-9B8C-1645-8392-FD7FA863CC40}\168A0415	build_4_17_2014_id29303.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID\{1125D585-9B8C-1645-8392-FD7FA863CC40}\168A0415\CG1\HAL = 05ee0000	build_4_17_2014_id29303.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\CLSID\{1125D585-9B8C-1645-8392-FD7FA863CC40}\168A0415\CG1\BID = 2000080005000600e8070000140000000500100014002a00000000005a906066	build_4_17_2014_id29303.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

build_4_17_2014_id29303.exe

pid process

4780 build_4_17_2014_id29303.exe
4780 build_4_17_2014_id29303.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

build_4_17_2014_id29303.exe

pid process

4780 build_4_17_2014_id29303.exe

pid	process
4780	build_4_17_2014_id29303.exe
4780	build_4_17_2014_id29303.exe

pid	process
4780	build_4_17_2014_id29303.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

build_4_17_2014_id29303.exe

description	pid	process
Token: SeRestorePrivilege	4780	build_4_17_2014_id29303.exe
Token: SeBackupPrivilege	4780	build_4_17_2014_id29303.exe
Token: SeDebugPrivilege	4780	build_4_17_2014_id29303.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

build_4_17_2014_id29303.exe

description	pid	process	target process
PID 4780 wrote to memory of 1096	4780	build_4_17_2014_id29303.exe	schtasks.exe
PID 4780 wrote to memory of 1096	4780	build_4_17_2014_id29303.exe	schtasks.exe
PID 4780 wrote to memory of 1096	4780	build_4_17_2014_id29303.exe	schtasks.exe
PID 4780 wrote to memory of 944	4780	build_4_17_2014_id29303.exe	WerFault.exe
PID 4780 wrote to memory of 944	4780	build_4_17_2014_id29303.exe	WerFault.exe
PID 4780 wrote to memory of 944	4780	build_4_17_2014_id29303.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\changeme\Binary 1.7\build_4_17_2014_id29303.exe
"C:\Users\Admin\AppData\Local\Temp\changeme\Binary 1.7\build_4_17_2014_id29303.exe"
1⤵
- Sets file execution options in registry
- Checks computer location settings
- Checks for any installed AV software in registry
- Drops desktop.ini file(s)
- Checks processor information in registry
- Modifies registry class
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4780

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x168A0415" /TR "C:\ProgramData\bytedraft\sqkxhyxfq.exe" /RL HIGHEST
2⤵
- Creates scheduled task(s)
PID:1096

C:\Windows\SysWOW64\WerFault.exe
"C:\Windows\SysWOW64\WerFault.exe"
2⤵
PID:944

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 --no-appcompat-clear --mojo-platform-channel-handle=1032 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
1⤵
PID:1768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Software Discovery

T1518

Security Software Discovery

T1518.001

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/944-9-0x0000000000880000-0x00000000008FB000-memory.dmp

Filesize
492KB

Download
memory/944-10-0x0000000001230000-0x00000000012A1000-memory.dmp

Filesize
452KB

Download
memory/944-11-0x0000000001230000-0x00000000012A1000-memory.dmp

Filesize
452KB

Download
memory/4780-0-0x0000000000DD0000-0x0000000000E1B000-memory.dmp

Filesize
300KB

Download
memory/4780-1-0x0000000077A44000-0x0000000077A45000-memory.dmp

Filesize
4KB

Download
memory/4780-2-0x0000000000DD0000-0x0000000000E1B000-memory.dmp

Filesize
300KB

Download
memory/4780-3-0x00000000029C0000-0x00000000029CB000-memory.dmp

Filesize
44KB

Download
memory/4780-4-0x00000000029B0000-0x00000000029B1000-memory.dmp

Filesize
4KB

Download
memory/4780-5-0x00000000029D0000-0x00000000029D1000-memory.dmp

Filesize
4KB

Download
memory/4780-6-0x00000000009C0000-0x00000000009E6000-memory.dmp

Filesize
152KB

Download
memory/4780-8-0x0000000000DD0000-0x0000000000E1B000-memory.dmp

Filesize
300KB

Download