0c17e2278f797bc05df581dfea87001192e51adcf9b19c072198fac9415d3dbc

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 19:27

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General

Target

3adc154772d6bc1faa3a7d35903f838d.pdf
Size

70KB
MD5

3adc154772d6bc1faa3a7d35903f838d
SHA1

1cd66616ccc4bf3404100f78835290369478b94d
SHA256

0c17e2278f797bc05df581dfea87001192e51adcf9b19c072198fac9415d3dbc
SHA512

7d2a79981c2ee28102d45a0928afbafe80956a3159ed0dfad66bfa8106a1ccc6c9e1e0d05277f9a7e5ebd1f8c8e263c60908f6c6970e9caddcf64d6ba597c752
SSDEEP

1536:1RgqASgobhwTUn8sneBWj0QkGjQI0Swzu4ShQKdWcjjSa8EOdgjrQ7bf:DASq9seBW3Fl0FzPShQKhjjSFEerf

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1440	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1440 wrote to memory of 2560	1440	AcroRd32.exe	92
PID 1440 wrote to memory of 2560	1440	AcroRd32.exe	92
PID 1440 wrote to memory of 2560	1440	AcroRd32.exe	92
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4432	2560	RdrCEF.exe	94
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93
PID 2560 wrote to memory of 4784	2560	RdrCEF.exe	93

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\3adc154772d6bc1faa3a7d35903f838d.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:1440
- 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:2560
- - 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=BB233D1B7EB4C08488F580BBA2B93F79 --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=BB233D1B7EB4C08488F580BBA2B93F79 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4784
- - 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=8C2B533CEAA470D66B4E2F4A037B6952 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4432
- - 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=A3597676C367517DA6AD15780378C85F --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1264
- - 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=91E37A8026184DA2E5A7792C3612C575 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:208
- - 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=4B2744B28EFEAC19BB5024185CD436A2 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2564
- - 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=CFC7E6979DF5029956E8AA9BDDAFD6B5 --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=CFC7E6979DF5029956E8AA9BDDAFD6B5 --renderer-client-id=8 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1012

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4612

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
78543454104352bafb2cade1ba5ed6e2

SHA1
585ffa40f2bdb62abc820844b71e6873e2fa6349

SHA256
9428cb7c8944ec793c2fe7bf70161aa6340b131f7312ef61d654549528f76cd5

SHA512
1dba778109b3be658f8f00a3f35b4050b28e4c260ee5460ce8adb1eaf75213ffe84505ebeeabe89c5390feb453cd7cd4a6a54a77d62bb885ac3f318850a3bbb0

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