f9fe3dafa329a6dee118fa58c8f4b5e09f6a1ddc872159762a338a144b9857e8

Analysis

max time kernel
149s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
12-05-2024 13:12

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General

Target

sample.exe
Size

445KB
MD5

25e87c4070d459f5259b60dbe6c985bb
SHA1

ae2d0882d9630798c061cc2a54ed8a913d289fce
SHA256

c580a88c58ac898f5090dab9be5249fdfb2e1b4dfaaf4646224edab76be63fea
SHA512

06fb28d697ddb01a7e7d29e330fd74d9c48261cea9ad7771e17497b2639871c8c1b40a11cad22c901e8674caf75630158dc34f191191115699f37ee7f3e5825e
SSDEEP

6144:iw+R+VrYjQf/KOgzTrMzWdKT1f/5dWDquH2sJgHvKr8e0lYx6kgIHsL:cEVrZf/ATwzbS2mgPlyzdHu

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0007000000023446-81.dat	acprotect

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	sample.exe

Executes dropped EXE 2 IoCs

pid	Process
228	kspoold.exe
404	kspoold.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000700000002328e-4.dat	upx
behavioral2/memory/228-8-0x0000000000400000-0x000000000049F000-memory.dmp	upx
behavioral2/memory/404-12-0x0000000000400000-0x000000000049F000-memory.dmp	upx
behavioral2/memory/228-48-0x0000000000400000-0x000000000049F000-memory.dmp	upx
behavioral2/files/0x0007000000023446-81.dat	upx
behavioral2/memory/404-111-0x0000000000400000-0x000000000049F000-memory.dmp	upx
behavioral2/memory/404-600-0x0000000000400000-0x000000000049F000-memory.dmp	upx
behavioral2/memory/404-626-0x0000000000400000-0x000000000049F000-memory.dmp	upx
behavioral2/memory/404-665-0x0000000000400000-0x000000000049F000-memory.dmp	upx
behavioral2/memory/404-685-0x0000000000400000-0x000000000049F000-memory.dmp	upx
behavioral2/memory/404-719-0x0000000000400000-0x000000000049F000-memory.dmp	upx
behavioral2/memory/404-772-0x0000000000400000-0x000000000049F000-memory.dmp	upx
behavioral2/memory/404-792-0x0000000000400000-0x000000000049F000-memory.dmp	upx
behavioral2/memory/404-826-0x0000000000400000-0x000000000049F000-memory.dmp	upx
behavioral2/memory/404-877-0x0000000000400000-0x000000000049F000-memory.dmp	upx
behavioral2/memory/404-921-0x0000000000400000-0x000000000049F000-memory.dmp	upx
behavioral2/memory/404-955-0x0000000000400000-0x000000000049F000-memory.dmp	upx
behavioral2/memory/404-989-0x0000000000400000-0x000000000049F000-memory.dmp	upx
behavioral2/memory/404-1026-0x0000000000400000-0x000000000049F000-memory.dmp	upx
behavioral2/memory/404-1060-0x0000000000400000-0x000000000049F000-memory.dmp	upx

Enumerates connected drives 3 TTPs 5 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\E:	kspoold.exe
File opened (read-only)	\??\G:	kspoold.exe
File opened (read-only)	\??\H:	kspoold.exe
File opened (read-only)	\??\I:	kspoold.exe
File opened (read-only)	\??\J:	kspoold.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kspoold.exe	sample.exe
File created	C:\Windows\SysWOW64\avmeter32.dll	kspoold.exe
File opened for modification	C:\Windows\SysWOW64\avmeter32.dll	kspoold.exe

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

T1012

System Information Discovery

T1082

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\Local Settings	sample.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
5012	WINWORD.EXE
5012	WINWORD.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
5012	WINWORD.EXE
5012	WINWORD.EXE
5012	WINWORD.EXE
5012	WINWORD.EXE
5012	WINWORD.EXE
5012	WINWORD.EXE
5012	WINWORD.EXE
5012	WINWORD.EXE
5012	WINWORD.EXE
5012	WINWORD.EXE
5012	WINWORD.EXE
5012	WINWORD.EXE
5012	WINWORD.EXE
5012	WINWORD.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 228	2128	sample.exe	82
PID 2128 wrote to memory of 228	2128	sample.exe	82
PID 2128 wrote to memory of 228	2128	sample.exe	82
PID 2128 wrote to memory of 5012	2128	sample.exe	84
PID 2128 wrote to memory of 5012	2128	sample.exe	84
PID 2128 wrote to memory of 376	2128	sample.exe	85
PID 2128 wrote to memory of 376	2128	sample.exe	85
PID 2128 wrote to memory of 376	2128	sample.exe	85

C:\Users\Admin\AppData\Local\Temp\sample.exe
"C:\Users\Admin\AppData\Local\Temp\sample.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\SysWOW64\kspoold.exe
  "C:\Windows\system32\kspoold.exe" /INSTALL /SILENT
  2⤵
  - Executes dropped EXE
  PID:228
- C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
  "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\sample.doc" /o ""
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  PID:5012
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\sample.exe"
  2⤵
  PID:376

C:\Windows\SysWOW64\kspoold.exe
C:\Windows\SysWOW64\kspoold.exe
1⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
PID:404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\TCD9438.tmp\gb.xsl

Filesize
262KB

MD5
51d32ee5bc7ab811041f799652d26e04

SHA1
412193006aa3ef19e0a57e16acf86b830993024a

SHA256
6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97

SHA512
5fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810

Download Submit
C:\Users\Admin\AppData\Local\Temp\sample.doc

Filesize
122KB

MD5
f315a017e56c55660fafa9a69465a496

SHA1
e8d959768a451519bb915c375dd15ab05361a841

SHA256
737a149bfe1c0e12bee77399f2e7e93c397be7c2e7c389682eadc69fec4877f6

SHA512
cbbb50c9325d598cc287de8a8c9f0b03e14e833439065574a7d0c133e6e8150c1fbc116893869ec8801f337b30fe024e91eff06914923c3f64a154eabf382f57

Download Submit
C:\Windows\SysWOW64\avmeter32.dll

Filesize
59KB

MD5
11c600c13b4c72c6cbd405ffaceb110f

SHA1
e343dc7af59b8e3262175f15f7e2610bdaa85038

SHA256
a3ee82335395e9c85173cde936c8b8ca62de4ab5bc23a231f73821038d628c69

SHA512
d6cfec1d588be67b1e9ffbd0b5d531aac1eae587c49677310b323a9fa152bc99b013315ebc55ea895dd072e8909a6ceb7daf12bb5e55c57008ce6cd7ad279def

Download Submit
C:\Windows\SysWOW64\kspoold.exe

Filesize
278KB

MD5
cf36d2c3023138fe694ffe4666b4b1b2

SHA1
08cd6314e99d1091c71bc21b6da680522ca6a161

SHA256
06eb602792cbe8fd01002eb34898bfd78beac30ce2b0384bd90f64db95f72afc

SHA512
b118ffc93f5a4be0f3e80cfdba4fda0af98d310db7a05d1ada1fdc6b7ca0f5041ab6132a227367215e3c4e66bf6f3aecec45caf625bb93609705ea25cfb66df3

Download Submit
C:\Windows\Temp\KSPOOLD.TXT

Filesize
700B

MD5
81d7e0349bb9e4bbcba8f53814c7bfe0

SHA1
2b4a0d55318e3c00c24905bd7815900df1ff3254

SHA256
cc489be6a2cb75453cef5071b38f0669ac93601234a32af735c78a446e87dbf2

SHA512
dad7e8cb60aed6720d7796fedc6338ba111befa54a80211e80911b4f1029dd290f65f71523bcaec3545dae578fffa7637551d7ff865a84cc7e8d18c3fb5210f5

Download Submit
C:\Windows\Temp\KSPOOLD.TXT

Filesize
4KB

MD5
4cf01890bddd0cd9d4911181df3f6703

SHA1
3c00a76b50b5e7a30e5641d00bf4f2633cdf34d6

SHA256
d075a20a61c717285ccd4d820fffde6889b430cc6172e25313d531fc85484f4c

SHA512
3d1f701fe33db1ba473869363729dce83eb35f52ac7d27240fcddf1cfae4e9bcc7607250a3dcf2b242cf09ff7f83e72c8f33d53454852c1e7bfd4719eabd5a12

Download Submit
memory/228-8-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/228-10-0x0000000002210000-0x0000000002211000-memory.dmp

Filesize
4KB

Download
memory/228-48-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/404-921-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/404-772-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/404-955-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/404-1026-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/404-877-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/404-1060-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/404-826-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/404-111-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/404-792-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/404-989-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/404-719-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/404-685-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/404-665-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/404-24-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/404-626-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/404-600-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/404-12-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/2128-38-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/5012-44-0x00007FF94C2F0000-0x00007FF94C300000-memory.dmp

Filesize
64KB

Download
memory/5012-52-0x00007FF98C270000-0x00007FF98C465000-memory.dmp

Filesize
2.0MB

Download
memory/5012-59-0x00007FF98C270000-0x00007FF98C465000-memory.dmp

Filesize
2.0MB

Download
memory/5012-61-0x00007FF98C270000-0x00007FF98C465000-memory.dmp

Filesize
2.0MB

Download
memory/5012-60-0x00007FF98C270000-0x00007FF98C465000-memory.dmp

Filesize
2.0MB

Download
memory/5012-57-0x00007FF98C270000-0x00007FF98C465000-memory.dmp

Filesize
2.0MB

Download
memory/5012-58-0x00007FF98C270000-0x00007FF98C465000-memory.dmp

Filesize
2.0MB

Download
memory/5012-56-0x00007FF949C10000-0x00007FF949C20000-memory.dmp

Filesize
64KB

Download
memory/5012-627-0x00007FF98C270000-0x00007FF98C465000-memory.dmp

Filesize
2.0MB

Download
memory/5012-631-0x00007FF98C270000-0x00007FF98C465000-memory.dmp

Filesize
2.0MB

Download
memory/5012-632-0x00007FF98C30D000-0x00007FF98C30E000-memory.dmp

Filesize
4KB

Download
memory/5012-645-0x00007FF98C270000-0x00007FF98C465000-memory.dmp

Filesize
2.0MB

Download
memory/5012-55-0x00007FF949C10000-0x00007FF949C20000-memory.dmp

Filesize
64KB

Download
memory/5012-51-0x00007FF98C270000-0x00007FF98C465000-memory.dmp

Filesize
2.0MB

Download
memory/5012-53-0x00007FF98C270000-0x00007FF98C465000-memory.dmp

Filesize
2.0MB

Download
memory/5012-62-0x00007FF98C270000-0x00007FF98C465000-memory.dmp

Filesize
2.0MB

Download
memory/5012-50-0x00007FF98C270000-0x00007FF98C465000-memory.dmp

Filesize
2.0MB

Download
memory/5012-40-0x00007FF98C30D000-0x00007FF98C30E000-memory.dmp

Filesize
4KB

Download
memory/5012-49-0x00007FF94C2F0000-0x00007FF94C300000-memory.dmp

Filesize
64KB

Download
memory/5012-46-0x00007FF98C270000-0x00007FF98C465000-memory.dmp

Filesize
2.0MB

Download
memory/5012-918-0x00007FF94C2F0000-0x00007FF94C300000-memory.dmp

Filesize
64KB

Download
memory/5012-917-0x00007FF94C2F0000-0x00007FF94C300000-memory.dmp

Filesize
64KB

Download
memory/5012-916-0x00007FF94C2F0000-0x00007FF94C300000-memory.dmp

Filesize
64KB

Download
memory/5012-915-0x00007FF94C2F0000-0x00007FF94C300000-memory.dmp

Filesize
64KB

Download
memory/5012-919-0x00007FF98C270000-0x00007FF98C465000-memory.dmp

Filesize
2.0MB

Download
memory/5012-45-0x00007FF98C270000-0x00007FF98C465000-memory.dmp

Filesize
2.0MB

Download
memory/5012-42-0x00007FF98C270000-0x00007FF98C465000-memory.dmp

Filesize
2.0MB

Download
memory/5012-43-0x00007FF94C2F0000-0x00007FF94C300000-memory.dmp

Filesize
64KB

Download
memory/5012-41-0x00007FF94C2F0000-0x00007FF94C300000-memory.dmp

Filesize
64KB

Download
memory/5012-39-0x00007FF94C2F0000-0x00007FF94C300000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads