7941b9b198bb45143817616adc5ebb37b2882101c71d24fa3cf75f113a516de6

Analysis

max time kernel
143s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2024 01:10

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General

Target

75fdc28f9a20b868caeb71149ad8c56c.pdf
Size

84KB
MD5

75fdc28f9a20b868caeb71149ad8c56c
SHA1

6ea898cf594e684cd3a96d288ba06ea2e81d9f19
SHA256

7941b9b198bb45143817616adc5ebb37b2882101c71d24fa3cf75f113a516de6
SHA512

a9e023dd1a8771721a5373ddeefd175117f1439c2118e7ea79443dfc16bcf805b163db7d61aaf44460bf7e57b6fd6cb40eeda7fad4453cefc48fedf4ba476ad5
SSDEEP

1536:fp3mb3r+KQc/k5+CpflAWOK1o8rb132MVDUZpfr7BqTVzWOpOwrKWMok8Ec+77uk:lC/k00lAWtrF9QwrD9EcW7uid

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 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	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1524	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe
1524	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 2688	1524	AcroRd32.exe	91
PID 1524 wrote to memory of 2688	1524	AcroRd32.exe	91
PID 1524 wrote to memory of 2688	1524	AcroRd32.exe	91
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1560	2688	RdrCEF.exe	94
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95
PID 2688 wrote to memory of 1600	2688	RdrCEF.exe	95

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\75fdc28f9a20b868caeb71149ad8c56c.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2688
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=5215738F29E36C42BEB8A15E6782CF48 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1560
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=527857E934FEA405CD2E017AD7E44DB9 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=527857E934FEA405CD2E017AD7E44DB9 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1600
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=01EC127064C5980270369158B333FB8F --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=01EC127064C5980270369158B333FB8F --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2128
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=09DB44F2808DF2C3FE2E78D848D2B59D --mojo-platform-channel-handle=2356 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4808
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=B8C6DB7C57D6FEBC89B8A14261858577 --mojo-platform-channel-handle=1980 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1908
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=6294AE52AA173DB4317171AED62D5A79 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1648

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
a402b404b49e1005c98355a85dbb9ac8

SHA1
a708dc2d0d45a90b0a00d3f85c97d73afc73cc2d

SHA256
afe76e5e5f66bd77eb1322d634fe4ae0211360d22bcde860c58e596f08a425a0

SHA512
3c3ff7e61934fa13ca15915f9432af5759446959547f9548e2cdda0321ad6c08df3644ac19a8e1c97b5f2e4c75d5c5b7ff0fc78a8e50a0a30be48b6fb1b29d21

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit