1c8d9c3c01bf62790e6869802ebea14510c1519cb66d6996534d1e2c15d4e6bb

Analysis

max time kernel
142s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2024 22:47

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General

Target

87dcd6d83e499e53dcbb7d970dd84add.pdf
Size

83KB
MD5

87dcd6d83e499e53dcbb7d970dd84add
SHA1

9ed8a2aff99511d2c9fc0a19fdb444ead15736ef
SHA256

1c8d9c3c01bf62790e6869802ebea14510c1519cb66d6996534d1e2c15d4e6bb
SHA512

1aa0a574828caef137bf0a16ab3c4a1b728cedf7fab724b96c894ea9a4ed8e200d3d50b1e0877f616833f693598f753afc9fee0f39b8a82a8ff3954f3de15dc6
SSDEEP

1536:fv5Q39sFmz8EiQTZjuIy2eGW3l1UQkHvbj443OW8bqW6pOu2ZTARnpYd:3239sEz2GSJvGKwTHvnB3C3u2Zync

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
904	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe
904	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 3064	904	AcroRd32.exe	88
PID 904 wrote to memory of 3064	904	AcroRd32.exe	88
PID 904 wrote to memory of 3064	904	AcroRd32.exe	88
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2940	3064	RdrCEF.exe	89
PID 3064 wrote to memory of 2100	3064	RdrCEF.exe	90
PID 3064 wrote to memory of 2100	3064	RdrCEF.exe	90
PID 3064 wrote to memory of 2100	3064	RdrCEF.exe	90
PID 3064 wrote to memory of 2100	3064	RdrCEF.exe	90
PID 3064 wrote to memory of 2100	3064	RdrCEF.exe	90
PID 3064 wrote to memory of 2100	3064	RdrCEF.exe	90
PID 3064 wrote to memory of 2100	3064	RdrCEF.exe	90
PID 3064 wrote to memory of 2100	3064	RdrCEF.exe	90
PID 3064 wrote to memory of 2100	3064	RdrCEF.exe	90
PID 3064 wrote to memory of 2100	3064	RdrCEF.exe	90
PID 3064 wrote to memory of 2100	3064	RdrCEF.exe	90
PID 3064 wrote to memory of 2100	3064	RdrCEF.exe	90
PID 3064 wrote to memory of 2100	3064	RdrCEF.exe	90
PID 3064 wrote to memory of 2100	3064	RdrCEF.exe	90
PID 3064 wrote to memory of 2100	3064	RdrCEF.exe	90
PID 3064 wrote to memory of 2100	3064	RdrCEF.exe	90
PID 3064 wrote to memory of 2100	3064	RdrCEF.exe	90
PID 3064 wrote to memory of 2100	3064	RdrCEF.exe	90

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\87dcd6d83e499e53dcbb7d970dd84add.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:904
- 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:3064
- - 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=947A15B067F1D5AAA151884ABE6AF74A --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=947A15B067F1D5AAA151884ABE6AF74A --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2940
- - 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=3B585C2B366F973FBAAEB0F86700D181 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2100
- - 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=238876F36C0250D28CC0D0ED3EC9A99F --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3244
- - 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=72F4F3DE177A28E6F36727D56FA47288 --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=72F4F3DE177A28E6F36727D56FA47288 --renderer-client-id=5 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:560
- - 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=A8522E7EA52FCA8FB37B62813C5A8411 --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4988
- - 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=69A94D68CFCA4E80970AED6E954A8B77 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3352

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4840

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
126d76d06c586eee4add108d19bebd78

SHA1
b1ceeba093a4e9e945045c96a07d1d6b1fcd0e9d

SHA256
67e1a481135055b82e3c8d8cbbbc8586684c3ebe36ff1bb72217e8e1cc3c4039

SHA512
c1a0edcfee8d9a850e2f0e307e06b7a9f898a65e03547edb719014407e8b3183aa17c7030d801cfb51cf7d7b1a48e9e73b7caf95d337be76cedd6c0b33d8f05f

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
memory/904-28-0x000000000B150000-0x000000000B171000-memory.dmp

Filesize
132KB

Download