3ad611d9b1a0fa4bdb8d63992ddff0fcf39cc7e02f7a7364916d9e74bedc06c2

Analysis

max time kernel
142s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
16/03/2024, 03:53

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General

Target

cd0977072c236b728382d77aa096563b.pdf
Size

74KB
MD5

cd0977072c236b728382d77aa096563b
SHA1

d71103ae63e02b704759b2e81cddc98f68e76b36
SHA256

3ad611d9b1a0fa4bdb8d63992ddff0fcf39cc7e02f7a7364916d9e74bedc06c2
SHA512

c3557815f96d0819fd6ff26cbe2454c41b6f799c7bf1830d43de6bb429f870036ec8b2ae46656f98a3b2a38bf14557b589a8d59ebc377c7deaed7ef985a73c04
SSDEEP

1536:mtjzfNYa3Jot6Mr4T9qd87tYizLbb7w4y0+u8lW5Ft0WCpOViE152NOt:cjzfI6U4Tsd8ZYizLbbc4N+I9Vi252u

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
812	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 812 wrote to memory of 2160	812	AcroRd32.exe	92
PID 812 wrote to memory of 2160	812	AcroRd32.exe	92
PID 812 wrote to memory of 2160	812	AcroRd32.exe	92
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 3800	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 1836	2160	RdrCEF.exe	96
PID 2160 wrote to memory of 1836	2160	RdrCEF.exe	96
PID 2160 wrote to memory of 1836	2160	RdrCEF.exe	96
PID 2160 wrote to memory of 1836	2160	RdrCEF.exe	96
PID 2160 wrote to memory of 1836	2160	RdrCEF.exe	96
PID 2160 wrote to memory of 1836	2160	RdrCEF.exe	96
PID 2160 wrote to memory of 1836	2160	RdrCEF.exe	96
PID 2160 wrote to memory of 1836	2160	RdrCEF.exe	96
PID 2160 wrote to memory of 1836	2160	RdrCEF.exe	96
PID 2160 wrote to memory of 1836	2160	RdrCEF.exe	96
PID 2160 wrote to memory of 1836	2160	RdrCEF.exe	96
PID 2160 wrote to memory of 1836	2160	RdrCEF.exe	96
PID 2160 wrote to memory of 1836	2160	RdrCEF.exe	96
PID 2160 wrote to memory of 1836	2160	RdrCEF.exe	96
PID 2160 wrote to memory of 1836	2160	RdrCEF.exe	96
PID 2160 wrote to memory of 1836	2160	RdrCEF.exe	96
PID 2160 wrote to memory of 1836	2160	RdrCEF.exe	96
PID 2160 wrote to memory of 1836	2160	RdrCEF.exe	96
PID 2160 wrote to memory of 1836	2160	RdrCEF.exe	96
PID 2160 wrote to memory of 1836	2160	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\cd0977072c236b728382d77aa096563b.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:812
- 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:2160
- - 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=5E953F932C3A60331EBE1429A28E15E0 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3800
- - 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=A35CE5A852540970E6D63081D48967C9 --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=A35CE5A852540970E6D63081D48967C9 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=ACEACA051DAF212DF36FF59DA69040A6 --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=ACEACA051DAF212DF36FF59DA69040A6 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:680
- - 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=10FF5F2683D5FC345F9F1847EC822B3A --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1376
- - 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=6D1AC08472CC3CE1344AA8DA83905EC9 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4408
- - 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=A66ADA5F59EF1ECC2DEF8EA970987893 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2320

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3792

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
16eba4dc9a06ed4d316a8c9bb7e20401

SHA1
49b1731b79d2ae0fa7ca1c4f89d490c6fb7b28e9

SHA256
78bf1d15e5a46acb8dab57e32ff088b0dc5bc1b8b069dd4bde1488f74297601b

SHA512
b5c37a21e0afb47d06864f802c3736143629ade259e620ae8819738cafcd4ce397cb129c149489795720f75e85750d3fbd09f70242326d5f071580ca9e7e6e7d

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