67bbc2871120c37fb4e7646898f294901a80b9ef13498b47e40e8394633d8a17

Analysis

max time kernel
141s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 04:46

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General

Target

670af8f0696cf639c2d62d27c93a34cb.pdf
Size

70KB
MD5

670af8f0696cf639c2d62d27c93a34cb
SHA1

000dce5f3a535db1e232fdc17d5e6f8b9b0991b7
SHA256

67bbc2871120c37fb4e7646898f294901a80b9ef13498b47e40e8394633d8a17
SHA512

db012c5ae5549f4cd7c41392ae4d0393e3f5e6359e6168c67f8d61c4f9c30ad3acd5334541a9470628e0fedd56a755627826485e499cd83750d15c202f00a4d6
SSDEEP

1536:RPU7abMZ4Srmb+I7GjKIgq66A6bjmaktbUZ7imaxY/Q6gUyk0:yjG7b+I7cKLlK+hUZioftM

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1044	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 4904	1044	AcroRd32.exe	95
PID 1044 wrote to memory of 4904	1044	AcroRd32.exe	95
PID 1044 wrote to memory of 4904	1044	AcroRd32.exe	95
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 1588	4904	RdrCEF.exe	97
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 3948	4904	RdrCEF.exe	96

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\670af8f0696cf639c2d62d27c93a34cb.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:1044
- 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:4904
- - 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=19CC6EB47120EFAE508B46904EE081FA --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=19CC6EB47120EFAE508B46904EE081FA --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3948
- - 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=0F9EB1943301B4A0B9BA62B807AAC185 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1588
- - 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=1C03943A307EDEC242D023785E9171A7 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4120
- - 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=555DD8A8367431ADB7A3C5DCD1EED0A0 --mojo-platform-channel-handle=1820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1448
- - 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=F1C921820ACCD53B0F8AB59F71A266E3 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4160
- - 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=F13895798F5111EF5C910BBB74775B60 --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=F13895798F5111EF5C910BBB74775B60 --renderer-client-id=8 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3572

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:740

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
b586681cd10c601c50edd698d22c6c15

SHA1
d85135690e11e90a25df9965b9e9eec8f1aab20b

SHA256
35ce52d4c9d88d53238f84c3404746cdbbc2947aae7ff418057573b7a8198bdb

SHA512
70c2ed6eb7408a457888199e5b4886da8792ea9378fff601ee5096bfbb35c073346dc47330fa92d2ff651d01664f8ccb79650e9c20c39108a41330a85da8e90f

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