c80399f946fbd032da5e93f36b789fb5fa960693abcba5357b3bdc79d35240bf

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
19/01/2024, 04:18

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General

Target

66ad6ed22fb01abc27f3a5232e498ae3.pdf
Size

84KB
MD5

66ad6ed22fb01abc27f3a5232e498ae3
SHA1

e5380c9f6bf24291a91c4c10abd91bbab95506ca
SHA256

c80399f946fbd032da5e93f36b789fb5fa960693abcba5357b3bdc79d35240bf
SHA512

845125eb6f9df8677addc0ca9066b07898a0cb771d3920217b4e195fe43b1c57c780ad0a294f8575634ff4f086b3948bdcb3948c9b640ca6449b8ab71fd35146
SSDEEP

1536:/nsKCz+NvQRs3j2RceeeEzhQQA5Yl7OWvfB1w0QbT+ANWWUIMaTvOJ6nwGWspORD:fyf+6X0r4YlC4puvhNjaQw5RD

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4380	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe
4380	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 5040	4380	AcroRd32.exe	99
PID 4380 wrote to memory of 5040	4380	AcroRd32.exe	99
PID 4380 wrote to memory of 5040	4380	AcroRd32.exe	99
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 1628	5040	RdrCEF.exe	101
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100
PID 5040 wrote to memory of 3688	5040	RdrCEF.exe	100

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\66ad6ed22fb01abc27f3a5232e498ae3.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:4380
- 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:5040
- - 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=31F6F145B4ABF99BC69A720B804994F2 --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=31F6F145B4ABF99BC69A720B804994F2 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3688
- - 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=704123D8BB64E578CA36BE8D4AD944DB --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1628
- - 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=3EBD75A0FCA69070320F2135767C73CB --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1932
- - 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=8A22CC210D93607CA3D6EC6D421824A5 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4868
- - 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=BDD92C8C584432F764EA2CADE43A9D16 --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=BDD92C8C584432F764EA2CADE43A9D16 --renderer-client-id=6 --mojo-platform-channel-handle=2380 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1624
- - 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=12AFF605069A62436280A7F0E92FA0A9 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3416

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3924

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
ebee178e14223cbf30c79295ab97e3b6

SHA1
59befcaf19cc3447f3534a074d6f2b4bfa18845f

SHA256
f21bb0929aa5691bf2e2c2736e66f041480903a16be04ec8f8add30b234c4406

SHA512
b9793edc97dc71fa877ca640c84899522e9058dc9920d035b00e471d3bfcb75c96520cdc28d35814f625ecb7d2c7da3953661b7959dd67a28c3fe8e3526d0c96

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