2de9a82d1281a06b9794566d369a561432946d6c050ab31698c373bd85a7bea2

Analysis

max time kernel
143s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 14:25

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General

Target

c0bf0b3760e5dd4231099814c7a9b45e.pdf
Size

33KB
MD5

c0bf0b3760e5dd4231099814c7a9b45e
SHA1

ab6c9af78bdf2feb12e29372cb4cb3ef6acbc653
SHA256

2de9a82d1281a06b9794566d369a561432946d6c050ab31698c373bd85a7bea2
SHA512

50f02a39e3d9990e0ada4bf3d418f145a15840321a4dcd8b576a138b2f28386e2be0f0ea3c12ab8b97f4197692eda76ca53cc135ce0fa5b20dce03911f7d88ed
SSDEEP

768:JF1BlljpVF8H5kh2+ciTAim1oXg8T5FaBpd:Jh9VF8Z+ciTlgSFaBpd

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2920	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 4020	2920	AcroRd32.exe	90
PID 2920 wrote to memory of 4020	2920	AcroRd32.exe	90
PID 2920 wrote to memory of 4020	2920	AcroRd32.exe	90
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 1584	4020	RdrCEF.exe	91
PID 4020 wrote to memory of 4704	4020	RdrCEF.exe	92
PID 4020 wrote to memory of 4704	4020	RdrCEF.exe	92
PID 4020 wrote to memory of 4704	4020	RdrCEF.exe	92
PID 4020 wrote to memory of 4704	4020	RdrCEF.exe	92
PID 4020 wrote to memory of 4704	4020	RdrCEF.exe	92
PID 4020 wrote to memory of 4704	4020	RdrCEF.exe	92
PID 4020 wrote to memory of 4704	4020	RdrCEF.exe	92
PID 4020 wrote to memory of 4704	4020	RdrCEF.exe	92
PID 4020 wrote to memory of 4704	4020	RdrCEF.exe	92
PID 4020 wrote to memory of 4704	4020	RdrCEF.exe	92
PID 4020 wrote to memory of 4704	4020	RdrCEF.exe	92
PID 4020 wrote to memory of 4704	4020	RdrCEF.exe	92
PID 4020 wrote to memory of 4704	4020	RdrCEF.exe	92
PID 4020 wrote to memory of 4704	4020	RdrCEF.exe	92
PID 4020 wrote to memory of 4704	4020	RdrCEF.exe	92
PID 4020 wrote to memory of 4704	4020	RdrCEF.exe	92
PID 4020 wrote to memory of 4704	4020	RdrCEF.exe	92
PID 4020 wrote to memory of 4704	4020	RdrCEF.exe	92
PID 4020 wrote to memory of 4704	4020	RdrCEF.exe	92
PID 4020 wrote to memory of 4704	4020	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\c0bf0b3760e5dd4231099814c7a9b45e.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:2920
- 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:4020
- - 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=EA7FD158CBF0E8970DA47E615C4923F8 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1584
- - 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=EA0F7ED915AD35129EFCD439431FE606 --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=EA0F7ED915AD35129EFCD439431FE606 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4704
- - 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=D71DB87409D6047437CA79F048931075 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1276
- - 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=20CE6F63A2645F58057FD28616CFCC4C --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1152
- - 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=F9BBADF97FE1017B7A6116BF0CC61361 --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=F9BBADF97FE1017B7A6116BF0CC61361 --renderer-client-id=6 --mojo-platform-channel-handle=2484 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:732
- - 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=03206273828D701F455870A1403773F7 --mojo-platform-channel-handle=2740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2328

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:428

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
8cba2a016a95433d061e6f75379b4ba5

SHA1
4cb7d7af59724edfc934ce7a1197ed3337ca1466

SHA256
73648e90799d1a978d50f6aae6d58decf4e5df70b27e69f8e8bcd886e1f7f288

SHA512
eec6dff59021b2e42fb5463423d04354c17dc90b7617f403461858d357f512a67a606ccf73a529ca40136221b3dcd534a656151fc7f1c0591c1fae588b08cc28

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