a7ffaf4a95202d757c6d314a7435af43f3c9fac9135f4da90287e67ab9ded8b2

Analysis

max time kernel
156s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
06/01/2024, 00:47

Sharing

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General

Target

20240104113619065.pdf
Size

790KB
MD5

9e7ca99c88343398e6e91e100c006081
SHA1

cb12f4a8536954decef2c7df44ed9c24c7573f75
SHA256

a7ffaf4a95202d757c6d314a7435af43f3c9fac9135f4da90287e67ab9ded8b2
SHA512

a689f403d60d427361893b6c69922a709d270b88eb4e2d15c9f90a441a087724ea3601705551f74c8fc6731b515e586c7f4c11e48fa4a35ac4b5502fde04b2ae
SSDEEP

12288:fMwXLTzcUsdCct8SresQuuVjYd9Nrw2Xh3lRMPtUBvjdCOlU:PXL6dCQesnu+T/WtuJzlU

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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3644	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe
3644	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 1704	3644	AcroRd32.exe	102
PID 3644 wrote to memory of 1704	3644	AcroRd32.exe	102
PID 3644 wrote to memory of 1704	3644	AcroRd32.exe	102
PID 3644 wrote to memory of 2888	3644	AcroRd32.exe	104
PID 3644 wrote to memory of 2888	3644	AcroRd32.exe	104
PID 3644 wrote to memory of 2888	3644	AcroRd32.exe	104
PID 3644 wrote to memory of 3624	3644	AcroRd32.exe	105
PID 3644 wrote to memory of 3624	3644	AcroRd32.exe	105
PID 3644 wrote to memory of 3624	3644	AcroRd32.exe	105
PID 3644 wrote to memory of 1852	3644	AcroRd32.exe	107
PID 3644 wrote to memory of 1852	3644	AcroRd32.exe	107
PID 3644 wrote to memory of 1852	3644	AcroRd32.exe	107
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 4168	1852	RdrCEF.exe	108
PID 1852 wrote to memory of 1836	1852	RdrCEF.exe	109
PID 1852 wrote to memory of 1836	1852	RdrCEF.exe	109
PID 1852 wrote to memory of 1836	1852	RdrCEF.exe	109
PID 1852 wrote to memory of 1836	1852	RdrCEF.exe	109
PID 1852 wrote to memory of 1836	1852	RdrCEF.exe	109
PID 1852 wrote to memory of 1836	1852	RdrCEF.exe	109
PID 1852 wrote to memory of 1836	1852	RdrCEF.exe	109
PID 1852 wrote to memory of 1836	1852	RdrCEF.exe	109
PID 1852 wrote to memory of 1836	1852	RdrCEF.exe	109
PID 1852 wrote to memory of 1836	1852	RdrCEF.exe	109
PID 1852 wrote to memory of 1836	1852	RdrCEF.exe	109

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\20240104113619065.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:3644
- 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⤵
  PID:1704
- 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⤵
  PID:2888
- 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⤵
  PID:3624
- 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:1852
- - 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=CF51BFE9765356CDC75472A9B14E5D70 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4168
- - 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=FFF1AADBB9A78E48FF5099C44FA0A9D1 --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=FFF1AADBB9A78E48FF5099C44FA0A9D1 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1836
- - 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=E4CDBF8922DFD74875A0158BCD60DF17 --mojo-platform-channel-handle=2192 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3316
- - 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=8B348F06D63A101640CF57C9870973B7 --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=8B348F06D63A101640CF57C9870973B7 --renderer-client-id=5 --mojo-platform-channel-handle=2064 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3340
- - 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=1EF62A5F514AF207CD410214FF8B2875 --mojo-platform-channel-handle=2472 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2872
- - 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=A85B46F8CB59A60BB10DDB31CB5511D1 --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2332

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

Filesize
64KB

MD5
1e5fa52dccbec48a0c7ddc24c7369616

SHA1
391fa52dc79b09b79b7857b059de80ba43bd4910

SHA256
23ae098d35f36ee7b26ae7cdbc3a6476141c00387df58413b43a533158d5e0a0

SHA512
10e78b7f60cc24151b0e82bde72ca86f90cb2b48d73f12627890fb8c872b2da94bff0d137aa5564597fe2a609fc16ddc5464364e8139447e400de96dd5bee3d5

Download Submit
memory/3644-143-0x000000000B950000-0x000000000B97A000-memory.dmp

Filesize
168KB

Download