73d421fbb51b7a11414cd81549beb7cd68fc434c8ec49e13bb4f35af72644874

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19-03-2024 01:10

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General

Target

d4d5743e548ec9120287d219cfee3378.pdf
Size

86KB
MD5

d4d5743e548ec9120287d219cfee3378
SHA1

e84338c79ce969da761bf5bf501949c480570944
SHA256

73d421fbb51b7a11414cd81549beb7cd68fc434c8ec49e13bb4f35af72644874
SHA512

9d3bd8faad2496a7d51e59a1448e95f2d6c0b02b51b90853ca12bd6b358b6f1222e42fa3e00cc8966c00133d5a35f15327932634983fa1a4fd3381a94d9c7973
SSDEEP

1536:o7Mzlt2P/W3l2ZKDi6ptHexPGVAmds5KhVNc7OHrqI0bhslJ6WXtfSi2kUyqLtWy:sMxtnDDpEWAm28hz2EuIblJvfS2qLs7S

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe
4636	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4636 wrote to memory of 4468	4636	AcroRd32.exe	90
PID 4636 wrote to memory of 4468	4636	AcroRd32.exe	90
PID 4636 wrote to memory of 4468	4636	AcroRd32.exe	90
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 2312	4468	RdrCEF.exe	91
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3348	4468	RdrCEF.exe	92

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\d4d5743e548ec9120287d219cfee3378.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:4636
- 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:4468
- - 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=D018232452535A7AB8AEA99762F780E1 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2312
- - 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=4EC29B69E2880E0052B8C55820330E13 --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=4EC29B69E2880E0052B8C55820330E13 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3348
- - 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=8594B80FA1B1DB7B4535387327AED05F --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2652
- - 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=91205A12813A618F2C8852C2E6F8924F --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2648
- - 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=EF161256D98DFAD3FD51D85CD973465C --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=EF161256D98DFAD3FD51D85CD973465C --renderer-client-id=6 --mojo-platform-channel-handle=1708 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2488
- - 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=F7CBFA4A1A6ABEE409C76014AAFA241D --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4376

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4360

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
d7a4c0eeae4235ada627ee4df227e4a9

SHA1
12b7e4e1bc9a5323d6814fcd0099d49dfedbf0a8

SHA256
f5ba4dfcfec2c87ab2f0d7757d7e3c85c9fd42de47c758f29f3b3af9bfce3040

SHA512
3b23325d79e60c7ab0d4327801ad53fcf5dfe86c182661fee41092fb3ffb919facb493350246c3374b599ccc4bf1b6439b69214edae44615eb2f16a25031b9cb

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