3fa966e9572862cbc4f45641c7d4b5e90b38f1ad007b58c7a4e97111ca136b9c

Analysis

max time kernel
144s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 22:10

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General

Target

49e66fa3aeda0b12db2103f7018e583b.pdf
Size

76KB
MD5

49e66fa3aeda0b12db2103f7018e583b
SHA1

2e966df4c15e8313d25572ccd197ff482faf7173
SHA256

3fa966e9572862cbc4f45641c7d4b5e90b38f1ad007b58c7a4e97111ca136b9c
SHA512

cb063321bfbd3f8e30496728aba8da774e72e8a42cb403f7a8cf8bc3bdb31122aab64174b892a7498674d13eedfe39dbdd6744799968d22dfd64949d8cf24b43
SSDEEP

1536:mkpIFbClNFKoJfPjuDBxcfbDBjerhpWQn19Y+3oaUW6pOu2ELbpGvbS:tpI8bFxhq3cvBjyLn1zNu2ELYW

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1204	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe
1204	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 1720	1204	AcroRd32.exe	94
PID 1204 wrote to memory of 1720	1204	AcroRd32.exe	94
PID 1204 wrote to memory of 1720	1204	AcroRd32.exe	94
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 1856	1720	RdrCEF.exe	95
PID 1720 wrote to memory of 4024	1720	RdrCEF.exe	96
PID 1720 wrote to memory of 4024	1720	RdrCEF.exe	96
PID 1720 wrote to memory of 4024	1720	RdrCEF.exe	96
PID 1720 wrote to memory of 4024	1720	RdrCEF.exe	96
PID 1720 wrote to memory of 4024	1720	RdrCEF.exe	96
PID 1720 wrote to memory of 4024	1720	RdrCEF.exe	96
PID 1720 wrote to memory of 4024	1720	RdrCEF.exe	96
PID 1720 wrote to memory of 4024	1720	RdrCEF.exe	96
PID 1720 wrote to memory of 4024	1720	RdrCEF.exe	96
PID 1720 wrote to memory of 4024	1720	RdrCEF.exe	96
PID 1720 wrote to memory of 4024	1720	RdrCEF.exe	96
PID 1720 wrote to memory of 4024	1720	RdrCEF.exe	96
PID 1720 wrote to memory of 4024	1720	RdrCEF.exe	96
PID 1720 wrote to memory of 4024	1720	RdrCEF.exe	96
PID 1720 wrote to memory of 4024	1720	RdrCEF.exe	96
PID 1720 wrote to memory of 4024	1720	RdrCEF.exe	96
PID 1720 wrote to memory of 4024	1720	RdrCEF.exe	96
PID 1720 wrote to memory of 4024	1720	RdrCEF.exe	96
PID 1720 wrote to memory of 4024	1720	RdrCEF.exe	96
PID 1720 wrote to memory of 4024	1720	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\49e66fa3aeda0b12db2103f7018e583b.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:1204
- 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:1720
- - 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=A61DA6FA858550E0CEA2AEF7F8B158F8 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1856
- - 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=D8D9FE59E3D8B8B098F7D6D3A93FF81B --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=D8D9FE59E3D8B8B098F7D6D3A93FF81B --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4024
- - 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=6DD2E89AB8A128FCD4CFCC1425C8226F --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4456
- - 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=397B4745F5191BB5DCA05708D4BF545D --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=397B4745F5191BB5DCA05708D4BF545D --renderer-client-id=5 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4344
- - 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=D1B9E314984B3C39D67081A8DAC3996F --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2320
- - 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=73DDC5E8E021A669281BACDF84604382 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1776

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5052

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
489c90afd3ede01f6212b1ef028e0b6e

SHA1
319d02f0c696338a2929d19ead2d47b5cc4817bb

SHA256
7e753ac2dafb43766e5d1b739fd784563e0404c164b87c13ca9773755c71bb3d

SHA512
f2ef100a7dfdb8cba29f4a8741b327874b08dbaa23d4ead3cdb878ec711e79172ec8487254995821e01ca42f9da75aec4563c4b68f4482a0ebd5c7d0420b7012

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