6f691f60536c314188bc27063c058a46191c0241ac52c23a1892a74ba528dd67

Analysis

max time kernel
4s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 13:45

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General

Target

3888e0141364143dd0965d887e177817.pdf
Size

85KB
MD5

3888e0141364143dd0965d887e177817
SHA1

6872077bd29bf326effc4fdc1ca58e826dccd5e7
SHA256

6f691f60536c314188bc27063c058a46191c0241ac52c23a1892a74ba528dd67
SHA512

6f7b9dd6eb29863c11032c9a36fa655e2b2676869c8a2b78c523910825b9a32a6c4dffb882efaf7f801385ae88871d5d5d8cef5863bdd5ddd4df5c0ba629386f
SSDEEP

1536:xUWuNRfXTCN0lISO7n07GSvBvPbig5Co1nJ41Cjpwwbh0WapOtQHWXhtzmAJ:5uNRfX+W7an05BPb3X1nJGurhVtQwjz3

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

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3828	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe
3828	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3828 wrote to memory of 4880	3828	AcroRd32.exe	91
PID 3828 wrote to memory of 4880	3828	AcroRd32.exe	91
PID 3828 wrote to memory of 4880	3828	AcroRd32.exe	91
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4188	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 4696	4880	RdrCEF.exe	92
PID 4880 wrote to memory of 4696	4880	RdrCEF.exe	92
PID 4880 wrote to memory of 4696	4880	RdrCEF.exe	92
PID 4880 wrote to memory of 4696	4880	RdrCEF.exe	92
PID 4880 wrote to memory of 4696	4880	RdrCEF.exe	92
PID 4880 wrote to memory of 4696	4880	RdrCEF.exe	92
PID 4880 wrote to memory of 4696	4880	RdrCEF.exe	92
PID 4880 wrote to memory of 4696	4880	RdrCEF.exe	92
PID 4880 wrote to memory of 4696	4880	RdrCEF.exe	92
PID 4880 wrote to memory of 4696	4880	RdrCEF.exe	92
PID 4880 wrote to memory of 4696	4880	RdrCEF.exe	92
PID 4880 wrote to memory of 4696	4880	RdrCEF.exe	92
PID 4880 wrote to memory of 4696	4880	RdrCEF.exe	92
PID 4880 wrote to memory of 4696	4880	RdrCEF.exe	92
PID 4880 wrote to memory of 4696	4880	RdrCEF.exe	92
PID 4880 wrote to memory of 4696	4880	RdrCEF.exe	92
PID 4880 wrote to memory of 4696	4880	RdrCEF.exe	92
PID 4880 wrote to memory of 4696	4880	RdrCEF.exe	92
PID 4880 wrote to memory of 4696	4880	RdrCEF.exe	92
PID 4880 wrote to memory of 4696	4880	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\3888e0141364143dd0965d887e177817.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3828
- 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:4880
- - 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=28B6CE0F4DD3CE20555AB449BDDC07AF --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=28B6CE0F4DD3CE20555AB449BDDC07AF --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4696
- - 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=2A0FA901EFDC6A3ABCEC2794F137303F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4188
- - 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=BB34AFA3DA83DC42E0ABFE5E4811A896 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3392
- - 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=0C95459D3AC864EBD485D451630514E2 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4348
- - 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=1A1B4EAAB93276282CC33068E0E5253A --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=1A1B4EAAB93276282CC33068E0E5253A --renderer-client-id=6 --mojo-platform-channel-handle=2508 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3984
- - 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=B1E7C2A56081CB04B4E89FF914028D90 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3996

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4936

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
4b1914fac26ba662586cc6f408de3ec0

SHA1
a213fc24de8d7d866944509ac876155d495eeafb

SHA256
af4b083f0389f9c68ef43745dd285ee34045880cac895e37d06959ffc21deb56

SHA512
1bf6180cfd0ff52df5e17a7e7f0353ba5fc152fc0295d035d0fe9f25dcf42cf1971c94f82cb915543e29d5b014f3f64b42df3e860f6a68b8a6d047969f0d170a

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