3a8595f4f8bd46aff35965d9b47a371a106ec331dcacf76d128e8953abc889ba

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, 11:19

Sharing

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General

Target

1296ff63adc3d3ba6a92adca594fc2b7.pdf
Size

77KB
MD5

1296ff63adc3d3ba6a92adca594fc2b7
SHA1

a53769ee8ba2cf859bfff5558d385a7f357eaa0c
SHA256

3a8595f4f8bd46aff35965d9b47a371a106ec331dcacf76d128e8953abc889ba
SHA512

ad4fbf56a45419d794bae931990c0d83e5eeb3373f14e58521abb0fcc8900d3785b23ae6cee083a1dbe697d8230d68a70f277bcb0c0820a18f8cfa452490ec54
SSDEEP

1536:QZc96ZOuHhSsBkkGNM52JilYWaAN68WW+o6PSVZWspORqTbcKS6u6:VAOuHcIlpaAN6VolVwR4bS4

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
312	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe
312	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 312 wrote to memory of 1668	312	AcroRd32.exe	92
PID 312 wrote to memory of 1668	312	AcroRd32.exe	92
PID 312 wrote to memory of 1668	312	AcroRd32.exe	92
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 1112	1668	RdrCEF.exe	94
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93
PID 1668 wrote to memory of 2520	1668	RdrCEF.exe	93

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\1296ff63adc3d3ba6a92adca594fc2b7.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:312
- 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:1668
- - 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=4D78198C73E4793809DD8169E4C18BB4 --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=4D78198C73E4793809DD8169E4C18BB4 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2520
- - 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=A64802B54380C081DF36866A419E27BD --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1112
- - 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=209E68245E2739FEA2E59671387F031F --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3520
- - 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=FC3DCEDD2155EB120B1C96D49F4E3E42 --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=FC3DCEDD2155EB120B1C96D49F4E3E42 --renderer-client-id=5 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:660
- - 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=E7E47855FCCDA73911896D6318149ACD --mojo-platform-channel-handle=2464 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3844
- - 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=35F0A7B10D591ACF3B653C8A06CE0EFA --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1008

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
cc1119225d28eec0a67d82da1af15169

SHA1
e1b3b04b156bb98ebd199dc3de84144d5abe6374

SHA256
e45548f74068eacf1e9a346c268e0696fcb66234bee884e7950204d7c7e45834

SHA512
ce0e180628e2eb561105a8ded52271f22470a01ae5181ec5558f09c9994b03118d9e8b02ba78007bc44d5a8aae567310d3f3f85080fadfb019f453c7468b1252

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