c1d4daedeafd9fb432050fedde2747d7b30436ff6502ab161fa9ce3f7a954ff5

Analysis

max time kernel
142s
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
03-02-2024 06:32

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General

Target

8ba480ac2735ba2e8c1c4a6ee61f853d.pdf
Size

87KB
MD5

8ba480ac2735ba2e8c1c4a6ee61f853d
SHA1

f0901754b523f3db1376bb758959b0cd4da02ef6
SHA256

c1d4daedeafd9fb432050fedde2747d7b30436ff6502ab161fa9ce3f7a954ff5
SHA512

892be766193e698bccb39f2c2dfbf923555ffd13e4ee227cd6641355a3ca36bbfba9b030accc7e9b7cc005e74d995d3bb225b9055cde9ac3a2476a2e74e10bd9
SSDEEP

1536:o9kppC7tfD9QPIJmn2mQubT3ccbjOMJk6QJZjusIsZ3TJMgW6pOu26Wa7tfFGr:3pUZuA+9bTMYyMJk6QJJu1sZ3TiJu2gK

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4484	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe
4484	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4484 wrote to memory of 2372	4484	AcroRd32.exe	86
PID 4484 wrote to memory of 2372	4484	AcroRd32.exe	86
PID 4484 wrote to memory of 2372	4484	AcroRd32.exe	86
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 2380	2372	RdrCEF.exe	89
PID 2372 wrote to memory of 4552	2372	RdrCEF.exe	90
PID 2372 wrote to memory of 4552	2372	RdrCEF.exe	90
PID 2372 wrote to memory of 4552	2372	RdrCEF.exe	90
PID 2372 wrote to memory of 4552	2372	RdrCEF.exe	90
PID 2372 wrote to memory of 4552	2372	RdrCEF.exe	90
PID 2372 wrote to memory of 4552	2372	RdrCEF.exe	90
PID 2372 wrote to memory of 4552	2372	RdrCEF.exe	90
PID 2372 wrote to memory of 4552	2372	RdrCEF.exe	90
PID 2372 wrote to memory of 4552	2372	RdrCEF.exe	90
PID 2372 wrote to memory of 4552	2372	RdrCEF.exe	90
PID 2372 wrote to memory of 4552	2372	RdrCEF.exe	90
PID 2372 wrote to memory of 4552	2372	RdrCEF.exe	90
PID 2372 wrote to memory of 4552	2372	RdrCEF.exe	90
PID 2372 wrote to memory of 4552	2372	RdrCEF.exe	90
PID 2372 wrote to memory of 4552	2372	RdrCEF.exe	90
PID 2372 wrote to memory of 4552	2372	RdrCEF.exe	90
PID 2372 wrote to memory of 4552	2372	RdrCEF.exe	90
PID 2372 wrote to memory of 4552	2372	RdrCEF.exe	90
PID 2372 wrote to memory of 4552	2372	RdrCEF.exe	90
PID 2372 wrote to memory of 4552	2372	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\8ba480ac2735ba2e8c1c4a6ee61f853d.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:4484
- 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:2372
- - 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=D9BC356624814903CC4F9B5CC7416C2A --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2380
- - 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=ED9DC74730C41837DA1E6846B73C0A23 --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=ED9DC74730C41837DA1E6846B73C0A23 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4552
- - 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=545318C237490416FCD350F032AF7C0D --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=545318C237490416FCD350F032AF7C0D --renderer-client-id=4 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4488
- - 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=BA155402AAAACC6D5930DC61564D240A --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4296
- - 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=C683DFA7DF8D427BC5FF3306103A229A --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2660
- - 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=573FC91956799D660E3802A637EE3A55 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4444

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2864

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
fc49913984991e7865e114dd4838e43a

SHA1
15457dcc8b76968438cac70eb1fced8da98e2789

SHA256
72e4613c8edfb2859c81b706e2a77021f3f6d0e409a96c1f74ea1cf201b8b489

SHA512
a8220c34f6aa3d0d0238f8089ac964b11c822ebb5e0fead8fe1fafa7833ed3d89f8dbc09f4c246d9480b80e0f7531e84ce5488c3bd50e6591d8a3af3185a6e3e

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