aef2b83b17213afff0b7bda94110f1713b490fad2b1070c07457fa4d785cc8ab

Analysis

max time kernel
143s
max time network
151s
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, 12:47

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General

Target

28132a2a8b3946101066c40eb05aedf1.pdf
Size

81KB
MD5

28132a2a8b3946101066c40eb05aedf1
SHA1

16d8071cf67684789c0773187674b44cafb523a5
SHA256

aef2b83b17213afff0b7bda94110f1713b490fad2b1070c07457fa4d785cc8ab
SHA512

2e09a584378fb1ae66b39b00ce34a686425b28dec1b6aa1fe2a45b96cd59b39de86c1d85fba079f1b01ea59ad9bd4659ebd67242036191d1566ad3f3e39789bb
SSDEEP

1536:eHBq/7rEY4IwzWIky7/eUbMEsAZvRVs6spuOW8pO73Wwm4+T4rjOUe:Wq/7rECwlbM/YsvpuN764ZrjG

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
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3156	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe
3156	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3156 wrote to memory of 1632	3156	AcroRd32.exe	92
PID 3156 wrote to memory of 1632	3156	AcroRd32.exe	92
PID 3156 wrote to memory of 1632	3156	AcroRd32.exe	92
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 3980	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 4764	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 4764	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 4764	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 4764	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 4764	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 4764	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 4764	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 4764	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 4764	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 4764	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 4764	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 4764	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 4764	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 4764	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 4764	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 4764	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 4764	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 4764	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 4764	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 4764	1632	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\28132a2a8b3946101066c40eb05aedf1.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:3156
- 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:1632
- - 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=A32D1F0DBF3B56961F95762291F68E49 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3980
- - 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=A9ABA8628A02EABF54EF4B1D83F145D3 --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=A9ABA8628A02EABF54EF4B1D83F145D3 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4764
- - 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=AFEF9BBCB87E305A29A0BF76D646A7C1 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3244
- - 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=7CA142E6DF9C6B1E1F8AA5AFD3F899AE --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=7CA142E6DF9C6B1E1F8AA5AFD3F899AE --renderer-client-id=5 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3252
- - 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=2527B29518615924F40F03414108874A --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1488
- - 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=65970023B9031BF7CF439F9AA17FDAAB --mojo-platform-channel-handle=1980 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4396

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
9ec8fc4b7d83e9a9820dac504a4f1462

SHA1
ae24b33a0939ed961de18bc929c1b22727b80fd9

SHA256
5741d32b6f92fbebd849377adbc6d0595660c218c22b0df8c48ba22131853e2c

SHA512
b3aa0962b9e2b542ab1afde7b5f8bea75b180b5fc22ab14d65896f780e5fbfb8302726057c3c0fa30557ae46f7d01bdfd29b65ec6110e50d4944e28aadbaacf2

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