7191a05958470affb6caf809055bcd42e4f5b2cc63ff27209153ce0fb54d28d8

Analysis

max time kernel
147s
max time network
152s
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, 00:11

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General

Target

2133155b71e5993579adcd808c03fac8.pdf
Size

34KB
MD5

2133155b71e5993579adcd808c03fac8
SHA1

ac5d0bb3e0b8b84790c52bee0c1424935a6fde26
SHA256

7191a05958470affb6caf809055bcd42e4f5b2cc63ff27209153ce0fb54d28d8
SHA512

ebdea2af869bd183a9a059bf67d4e0e84c3c1fa0ff3f1ed51458f77a6322742103c2a8a17cc76e4da5596742701407e86532c02432750a86a60153d0f1293c5c
SSDEEP

768:syBzGG2My9jWE8beuforp0EzzvsTA7HO+L2IAn/C5hDOJ:syBz7yJqfxEnvuArOtBabOJ

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2452	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 3012	2452	AcroRd32.exe	96
PID 2452 wrote to memory of 3012	2452	AcroRd32.exe	96
PID 2452 wrote to memory of 3012	2452	AcroRd32.exe	96
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 2144	3012	RdrCEF.exe	98
PID 3012 wrote to memory of 4932	3012	RdrCEF.exe	97
PID 3012 wrote to memory of 4932	3012	RdrCEF.exe	97
PID 3012 wrote to memory of 4932	3012	RdrCEF.exe	97
PID 3012 wrote to memory of 4932	3012	RdrCEF.exe	97
PID 3012 wrote to memory of 4932	3012	RdrCEF.exe	97
PID 3012 wrote to memory of 4932	3012	RdrCEF.exe	97
PID 3012 wrote to memory of 4932	3012	RdrCEF.exe	97
PID 3012 wrote to memory of 4932	3012	RdrCEF.exe	97
PID 3012 wrote to memory of 4932	3012	RdrCEF.exe	97
PID 3012 wrote to memory of 4932	3012	RdrCEF.exe	97
PID 3012 wrote to memory of 4932	3012	RdrCEF.exe	97
PID 3012 wrote to memory of 4932	3012	RdrCEF.exe	97
PID 3012 wrote to memory of 4932	3012	RdrCEF.exe	97
PID 3012 wrote to memory of 4932	3012	RdrCEF.exe	97
PID 3012 wrote to memory of 4932	3012	RdrCEF.exe	97
PID 3012 wrote to memory of 4932	3012	RdrCEF.exe	97
PID 3012 wrote to memory of 4932	3012	RdrCEF.exe	97
PID 3012 wrote to memory of 4932	3012	RdrCEF.exe	97
PID 3012 wrote to memory of 4932	3012	RdrCEF.exe	97
PID 3012 wrote to memory of 4932	3012	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\2133155b71e5993579adcd808c03fac8.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:2452
- 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:3012
- - 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=68E2A338D0D4413D1C4F5FA7033303A0 --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=68E2A338D0D4413D1C4F5FA7033303A0 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4932
- - 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=1B35C9A28EBFFAA964383BF891D8E1F2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2144
- - 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=B053B4C3F8CA59F89FD10841BBD7B9C2 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3248
- - 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=F65AA80F39C9A0D692F47E0734BEA27E --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1300
- - 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=F830DE5678C5BAABDED459EE5AB87AFC --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2240
- - 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=09099265E36038071C8DA510A8D5F9E9 --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=09099265E36038071C8DA510A8D5F9E9 --renderer-client-id=8 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4384

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4944

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
82a5ddd64209d0196701851d9853b833

SHA1
648d7a5b856295540200fe184c6451cfe6ea9af7

SHA256
2c715e1eb03183701513174b74d241e0fe7ab61c8e4d85f5625f189e18531a58

SHA512
6a429e60377c491d7e43a8689570a33855d41c149d85dc2efb3d080655a793b2890d508c3d4b39d233cad2ff0bb26e4cdab73ba863a81ba29fcf5f5f188d7595

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