b9c60a4396157b0bfa51b4f21e81408d546ebfb12c8ae00a11b64eadfb12aa66

Analysis

max time kernel
170s
max time network
180s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 10:53

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General

Target

1680fc61ef098181b258b91766ecf4dd.pdf
Size

103KB
MD5

1680fc61ef098181b258b91766ecf4dd
SHA1

e942bbc007920ecedfbe74d6713983cee7218b76
SHA256

b9c60a4396157b0bfa51b4f21e81408d546ebfb12c8ae00a11b64eadfb12aa66
SHA512

8acdd46213ba6903cdd4eb72d68d6f46fecd18538325e5741deafd362642e5272f7f1c4bd07976fdac37e47d7b68288d5cf71152f20c509237cba139f71e07da
SSDEEP

3072:q6DIHv3Tu773zK0ovaIwaaUf+OARBoYuj7tYC1:q6Dov3TuvjSVzfBj9

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
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4868	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe
4868	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4868 wrote to memory of 5064	4868	AcroRd32.exe	92
PID 4868 wrote to memory of 5064	4868	AcroRd32.exe	92
PID 4868 wrote to memory of 5064	4868	AcroRd32.exe	92
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 3172	5064	RdrCEF.exe	97
PID 5064 wrote to memory of 2936	5064	RdrCEF.exe	98
PID 5064 wrote to memory of 2936	5064	RdrCEF.exe	98
PID 5064 wrote to memory of 2936	5064	RdrCEF.exe	98
PID 5064 wrote to memory of 2936	5064	RdrCEF.exe	98
PID 5064 wrote to memory of 2936	5064	RdrCEF.exe	98
PID 5064 wrote to memory of 2936	5064	RdrCEF.exe	98
PID 5064 wrote to memory of 2936	5064	RdrCEF.exe	98
PID 5064 wrote to memory of 2936	5064	RdrCEF.exe	98
PID 5064 wrote to memory of 2936	5064	RdrCEF.exe	98
PID 5064 wrote to memory of 2936	5064	RdrCEF.exe	98
PID 5064 wrote to memory of 2936	5064	RdrCEF.exe	98
PID 5064 wrote to memory of 2936	5064	RdrCEF.exe	98
PID 5064 wrote to memory of 2936	5064	RdrCEF.exe	98
PID 5064 wrote to memory of 2936	5064	RdrCEF.exe	98
PID 5064 wrote to memory of 2936	5064	RdrCEF.exe	98
PID 5064 wrote to memory of 2936	5064	RdrCEF.exe	98
PID 5064 wrote to memory of 2936	5064	RdrCEF.exe	98
PID 5064 wrote to memory of 2936	5064	RdrCEF.exe	98
PID 5064 wrote to memory of 2936	5064	RdrCEF.exe	98
PID 5064 wrote to memory of 2936	5064	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\1680fc61ef098181b258b91766ecf4dd.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:4868
- 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:5064
- - 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=DB16253904C8206E08CB8B8C93095555 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3172
- - 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=3E5D7998DE8F2C58AF3C2C8F2DF6F631 --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=3E5D7998DE8F2C58AF3C2C8F2DF6F631 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2936
- - 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=3756A41B06797B532A0CA056AFD7C153 --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=3756A41B06797B532A0CA056AFD7C153 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3656
- - 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=89C459BE8917526126488D7C3A3D353D --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3900
- - 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=538B29649814631BAE2BF97F09C476F1 --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4512
- - 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=52315C7F1BAD444B1EC8C764FAC93D24 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4920

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1128

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
39KB

MD5
a01a546c4c2df396557ac1e4a0ded139

SHA1
e1883bb1d755c48d37791bd96e96bd887be1c827

SHA256
cb8249db99104ab61fca0eb6677955c63de6583b37980d0d45f960cf0fd5fcee

SHA512
d40de9173aab54e0e71a0ee29088669f2a08a800457b6aaca989aa7c6e79cbb53e1c5c5181c0316453b146f042b4a3caa45c7af5033c992de0e28533607df364

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