ce75d3cc5e3c724cf7b20d0f0065f0f2a4e3472e5425acffba78e2aafbf4cfa7

Analysis

max time kernel
143s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 22:02

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General

Target

b0258f7a7199648c5ad5c1fccb31102e.pdf
Size

83KB
MD5

b0258f7a7199648c5ad5c1fccb31102e
SHA1

82bd1ddb5342eb7bc3c78d4cc5c19610bd3bba1f
SHA256

ce75d3cc5e3c724cf7b20d0f0065f0f2a4e3472e5425acffba78e2aafbf4cfa7
SHA512

bfc8a9fff00fd6a795e303f40ae3fa14ad1bcdcb71b76f5486f985c886f65c034026b2b4e4f5cf673c6dcf33698c821a478d7b6741aa5be6f094ba5eab70c703
SSDEEP

1536:zd77IL0RcKDxfslFAz4riDCkaoHhZ/x3pMdOHspWHpOvcWY18gD2WNtiIuwk6:+L0fxfslFbrsCkaoBZ/XMdOMXvLY18gz

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1912	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe
1912	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 4360	1912	AcroRd32.exe	94
PID 1912 wrote to memory of 4360	1912	AcroRd32.exe	94
PID 1912 wrote to memory of 4360	1912	AcroRd32.exe	94
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 4608	4360	RdrCEF.exe	96
PID 4360 wrote to memory of 2892	4360	RdrCEF.exe	95
PID 4360 wrote to memory of 2892	4360	RdrCEF.exe	95
PID 4360 wrote to memory of 2892	4360	RdrCEF.exe	95
PID 4360 wrote to memory of 2892	4360	RdrCEF.exe	95
PID 4360 wrote to memory of 2892	4360	RdrCEF.exe	95
PID 4360 wrote to memory of 2892	4360	RdrCEF.exe	95
PID 4360 wrote to memory of 2892	4360	RdrCEF.exe	95
PID 4360 wrote to memory of 2892	4360	RdrCEF.exe	95
PID 4360 wrote to memory of 2892	4360	RdrCEF.exe	95
PID 4360 wrote to memory of 2892	4360	RdrCEF.exe	95
PID 4360 wrote to memory of 2892	4360	RdrCEF.exe	95
PID 4360 wrote to memory of 2892	4360	RdrCEF.exe	95
PID 4360 wrote to memory of 2892	4360	RdrCEF.exe	95
PID 4360 wrote to memory of 2892	4360	RdrCEF.exe	95
PID 4360 wrote to memory of 2892	4360	RdrCEF.exe	95
PID 4360 wrote to memory of 2892	4360	RdrCEF.exe	95
PID 4360 wrote to memory of 2892	4360	RdrCEF.exe	95
PID 4360 wrote to memory of 2892	4360	RdrCEF.exe	95
PID 4360 wrote to memory of 2892	4360	RdrCEF.exe	95
PID 4360 wrote to memory of 2892	4360	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\b0258f7a7199648c5ad5c1fccb31102e.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:1912
- 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:4360
- - 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=A0D67FD0625544E498457EC36278B630 --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=A0D67FD0625544E498457EC36278B630 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2892
- - 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=5880D913A877EBEDF439F4FA7B96F618 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4608
- - 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=8E9DE37A7F8CB32F40808ADC2F3B1C9E --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3716
- - 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=B4292F890842FBDA0B7933F58B46896F --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=B4292F890842FBDA0B7933F58B46896F --renderer-client-id=5 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2572
- - 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=3D0BCA852B5E090DFAC86CA8D995B139 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1420
- - 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=A1CA4ABA35A8E92ADE8215EBD9A21417 --mojo-platform-channel-handle=2644 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3892

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1764

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

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Downloads

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

Filesize
64KB

MD5
30cdc0d33286ff61a38954ac7fd2768a

SHA1
ae3e46a3de6852e872880914335968e7104f8683

SHA256
8b1d2c97e42ff6768e8f69ab7bb0a2860c5845a59f015ebf752464eb91451c7a

SHA512
13a06b5aade4d42f9d9a1ab5ceb4aeaacbbe3fe53382a4b23d2507104a9a6b30193d2dd38a934013ff24f6873199a118e04563c60364c15b580eb3abd30eae5b

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