ccf07397b4e1fac4a96130d616581c058ad59a4797e1026ceb2ea78061872930

Analysis

max time kernel
237s
max time network
277s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
07-05-2024 15:20

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General

Target

810368588.pdf
Size

78KB
MD5

85a799b1e9ab843dd5c0782e59b54a5f
SHA1

0b45a04fb353e47c3e9cf45fdf5370278ee85e3a
SHA256

b8a99f61a35a5a1e79fce0b575c53de7d572d82eae4a0671f068d0e18ebbd2c7
SHA512

c11cbddf128172e21896ed1dfd49dcd41bc811ff2bd4d54b55f916db205c0875a194c97778b693630e1e815f6f46dce24bd608a4c0cfca56b755458d6f08d0f3
SSDEEP

1536:JFnpqsUOG9/C74a4KvfbrSYRk54Jt327a21q4g4o+t39:fpcO5d7fvSYRk54Jpko4Roe39

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-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3128	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3128 wrote to memory of 2440	3128	AcroRd32.exe	92
PID 3128 wrote to memory of 2440	3128	AcroRd32.exe	92
PID 3128 wrote to memory of 2440	3128	AcroRd32.exe	92
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 3648	2440	RdrCEF.exe	95
PID 2440 wrote to memory of 2984	2440	RdrCEF.exe	96
PID 2440 wrote to memory of 2984	2440	RdrCEF.exe	96
PID 2440 wrote to memory of 2984	2440	RdrCEF.exe	96
PID 2440 wrote to memory of 2984	2440	RdrCEF.exe	96
PID 2440 wrote to memory of 2984	2440	RdrCEF.exe	96
PID 2440 wrote to memory of 2984	2440	RdrCEF.exe	96
PID 2440 wrote to memory of 2984	2440	RdrCEF.exe	96
PID 2440 wrote to memory of 2984	2440	RdrCEF.exe	96
PID 2440 wrote to memory of 2984	2440	RdrCEF.exe	96
PID 2440 wrote to memory of 2984	2440	RdrCEF.exe	96
PID 2440 wrote to memory of 2984	2440	RdrCEF.exe	96
PID 2440 wrote to memory of 2984	2440	RdrCEF.exe	96
PID 2440 wrote to memory of 2984	2440	RdrCEF.exe	96
PID 2440 wrote to memory of 2984	2440	RdrCEF.exe	96
PID 2440 wrote to memory of 2984	2440	RdrCEF.exe	96
PID 2440 wrote to memory of 2984	2440	RdrCEF.exe	96
PID 2440 wrote to memory of 2984	2440	RdrCEF.exe	96
PID 2440 wrote to memory of 2984	2440	RdrCEF.exe	96
PID 2440 wrote to memory of 2984	2440	RdrCEF.exe	96
PID 2440 wrote to memory of 2984	2440	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\810368588.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:3128
- 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:2440
- - 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=C8C0ED58802891E7353698CBA3A2CA4C --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3648
- - 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=E065C68122D2E2EAD64465A08E0DC5F2 --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=E065C68122D2E2EAD64465A08E0DC5F2 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2984
- - 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=AF038866961C8F8546F319AF94BC374F --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:520
- - 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=2D05390897547F496FB608E745BD3A46 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3516
- - 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=B62569A9E44F98A4C53674D096DCA29D --mojo-platform-channel-handle=2480 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3640
- - 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=0CBFC9A9B6F703CF539496B0E8E04415 --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=0CBFC9A9B6F703CF539496B0E8E04415 --renderer-client-id=7 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2656

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3372

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
28b6c6fe2301c6dcb4beb3901fc1c6de

SHA1
964e39e1fbc771086ecc1367a41db23aae6650f7

SHA256
26dbeb473965f650ea6d96cb06ed5203cdb03428e1f0b00bb6382f3dd3a5ed26

SHA512
65c411c1d751e1b89c279bd25ba7862c9019f6eeae76e0dcbdd665356df0c3c9f97a95a16a01aafc7414229d47f05e104783a358ff9eb9fb239c2bc1891b5979

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