95f3e75e029b32e4666b772c2e4dac7fa7f9337459ffbb2c81f3a97f265af948

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07-03-2024 10:39

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General

Target

b8884c7cd2102aece736c4abb23bb797.pdf
Size

87KB
MD5

b8884c7cd2102aece736c4abb23bb797
SHA1

fd80cfa8359dc30f61011acb255ab3a4f00ead1a
SHA256

95f3e75e029b32e4666b772c2e4dac7fa7f9337459ffbb2c81f3a97f265af948
SHA512

0c35bb4b4f29e258b236e144ba1b6eb53200845cd66174655aec6f0968e2c39a3d198f003ec9daa1d7189b37b0f0a18cb945e525290ba258f7b8c95284fc2500
SSDEEP

1536:5VTc3bV5Lh+nZGh42FjWoG60nQ65xUL7EDC/ctKWOpOaZEW7jFgzBqTE:TQ3AUh42dhAQ65xU3ED8ct/aZ3E/

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4844	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe
4844	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4844 wrote to memory of 3232	4844	AcroRd32.exe	95
PID 4844 wrote to memory of 3232	4844	AcroRd32.exe	95
PID 4844 wrote to memory of 3232	4844	AcroRd32.exe	95
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 828	3232	RdrCEF.exe	97
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98
PID 3232 wrote to memory of 764	3232	RdrCEF.exe	98

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\b8884c7cd2102aece736c4abb23bb797.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:4844
- 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:3232
- - 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=E17CE19BFAF4BD3D869A12E0547D4765 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:828
- - 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=C77A2BFA9E297484D526176F376506CD --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=C77A2BFA9E297484D526176F376506CD --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:764
- - 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=DCD136677EE65B329768957A535589F6 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4304
- - 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=1D50C7BF056DB84ADE4996DC8BB16029 --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=1D50C7BF056DB84ADE4996DC8BB16029 --renderer-client-id=5 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4380
- - 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=217A69CF1ED291997AD31B09E6836692 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3652
- - 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=2E3A96C9A111813E13C03AAB32958136 --mojo-platform-channel-handle=2016 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1344

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2964

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
128930854d6bec0877748bf971aae816

SHA1
f75b638e8c926e1e7404c2c2e5d46c9bd07c7e2d

SHA256
0e2f7f467069bbe095441a9f0943e1a2a83303b982a4677c3742206d7c6966fb

SHA512
4f6e012a754af43de9ba50bb8d6fba3841917983d37690af1b7c3ec3e00a5b34e4a1dc88c1fa7e2ccc775c962b348ff375a542a2cbf3303fe6f548adac4e7c05

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
memory/4844-28-0x000000000BB60000-0x000000000BB81000-memory.dmp

Filesize
132KB

Download