186acb8067cb0782117c34a561f511f279fec0ae80e69b809eea5ee8bea44b95

Analysis

max time kernel
142s
max time network
140s
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, 04:58

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General

Target

6b78c902b3d1f1d470ef62c702a4cb1e.pdf
Size

87KB
MD5

6b78c902b3d1f1d470ef62c702a4cb1e
SHA1

03ad09d11b313b64e88667e9fbf36773ec20720e
SHA256

186acb8067cb0782117c34a561f511f279fec0ae80e69b809eea5ee8bea44b95
SHA512

b71f7e409225a8e7d30c0e913336e7a0d6e91c79b5303cf44f49d330e4c461e04a48e2986218ddf5231c1584c6214a50b314e97021b09e687796c3bb531343f6
SSDEEP

1536:GuXe/W5br9LuZ+GhYg6Vw5Yrw1muQ5X+sfquGwgSpfeC3EHyqD:nYWI5+gJtmZ5EJar3g/

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3064	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 1164	3064	AcroRd32.exe	96
PID 3064 wrote to memory of 1164	3064	AcroRd32.exe	96
PID 3064 wrote to memory of 1164	3064	AcroRd32.exe	96
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4072	1164	RdrCEF.exe	98
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97
PID 1164 wrote to memory of 4140	1164	RdrCEF.exe	97

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\6b78c902b3d1f1d470ef62c702a4cb1e.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1164
- - 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=ACCB89900E98EDE0B8DFCA9C04ACC4E9 --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=ACCB89900E98EDE0B8DFCA9C04ACC4E9 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4140
- - 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=0CE5AB522E69706E9E333376A389EE71 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4072
- - 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=AEE25AD24F0C56CAF5BAFB4CA75DE7FB --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1032
- - 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=41A05FF902A10A31F19F88D485522A63 --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=41A05FF902A10A31F19F88D485522A63 --renderer-client-id=5 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2248
- - 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=B0644AA36BE7C9CF53A946055F265AAB --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5044
- - 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=CACBB15A4473730A427305DFBBAD4628 --mojo-platform-channel-handle=2744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4376

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
e61ce68c1fcb96b2c419f0c1cd53c4b5

SHA1
af9c21d5e27ac87bc052796c753470216c59b316

SHA256
081ab6b45ed5e74f2ff724a5e8f5dd10dd03daab0d689b01b9d4f555f17e8591

SHA512
be10af1152965b124d6f9626857d608025031142c850a0400f2ce31f5714b089a07f3f419f0ba49d1fcb02200ea78c7035330ef7f5f03725908f2554e90312b4

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/3064-28-0x000000000B730000-0x000000000B751000-memory.dmp

Filesize
132KB

Download