b9c24754615109d9306cef47b7dfc525b1a489e5ed0a5c05ec742ed515618b5e

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 12:14

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General

Target

1d58c20188ae7d8377f84f5d03b02f08.pdf
Size

89KB
MD5

1d58c20188ae7d8377f84f5d03b02f08
SHA1

77e2881f2b67a92a35955bb17e53b2c9072ceabf
SHA256

b9c24754615109d9306cef47b7dfc525b1a489e5ed0a5c05ec742ed515618b5e
SHA512

7d06092ef880cb97743c1ae892bf76aa1a733829939754258145f7cf5905fec26df0be92547557197f3f45072bd346c7a393167fb23cf004fe756865bad3fe1e
SSDEEP

1536:S0pR6P9CUIY+ttkwkbnowtKU6uiz82ifM4ySQHJd8Sk6ZHgUKQ+WcvVHDe/P/PWX:7U4YEtkt5tKxui428MxhJ5zyUKQCuP/e

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4544	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 2624	4544	AcroRd32.exe	92
PID 4544 wrote to memory of 2624	4544	AcroRd32.exe	92
PID 4544 wrote to memory of 2624	4544	AcroRd32.exe	92
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 432	2624	RdrCEF.exe	93
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94
PID 2624 wrote to memory of 3536	2624	RdrCEF.exe	94

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\1d58c20188ae7d8377f84f5d03b02f08.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:4544
- 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:2624
- - 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=387C64411FA299F95E3F72E330373672 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:432
- - 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=60232F160D06C4FF32602E0C41D60493 --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=60232F160D06C4FF32602E0C41D60493 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3536
- - 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=B2A8E6B31C2F43033A76F8FFF9411422 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3024
- - 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=4A6D76A8557F944CB381318AA7A7E806 --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=4A6D76A8557F944CB381318AA7A7E806 --renderer-client-id=5 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4648
- - 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=B2825842A8D44ABAE3A2531CA9011A0C --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2504
- - 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=085D17E46FB3509F77151C1D726ED929 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3100

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4632

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
1367aeeb8aa8770b7d53940fc936537f

SHA1
3cdc61377afbc5c6e1ca218f2b1bd75ad0e2c1e5

SHA256
63124ff0c1423f8669aeebb01b24a61f4c9b60f9e36c9f144f91de2773a1c42f

SHA512
a0a0d931aa736bcc5a4550db0ec19697a63281d51a649dc6c113651f2292b1f85b830849d3fca307a7933189e32cf558fe786abb302d0d9e05014b4e47f5c6d1

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/4544-28-0x000000000BB30000-0x000000000BB51000-memory.dmp

Filesize
132KB

Download