2626dc693b9d07afe57d5df54c9495a12933b4c43a8a93e11aeed173caebbca6

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12-02-2024 21:30

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General

Target

97a6ae6d1aff4f960642b24ca3c72e99.pdf
Size

35KB
MD5

97a6ae6d1aff4f960642b24ca3c72e99
SHA1

638d869f382aab0f1510fd940ceb0b337d96bb36
SHA256

2626dc693b9d07afe57d5df54c9495a12933b4c43a8a93e11aeed173caebbca6
SHA512

677bf7157ffa5746ae87934dd461629eea4f27c942dde59d054ccca6029ac49280852e6f7414377c7fe7d7e32f1034ddfda7314c3953d8bc8a8187f1f1315edc
SSDEEP

768:cMG/nhtw15AYVs16ToZB4vEY5o7RsiAOkO6hd:ctfhtw/ATc07R3ghd

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
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4032	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4032 wrote to memory of 4464	4032	AcroRd32.exe	85
PID 4032 wrote to memory of 4464	4032	AcroRd32.exe	85
PID 4032 wrote to memory of 4464	4032	AcroRd32.exe	85
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 1728	4464	RdrCEF.exe	86
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87
PID 4464 wrote to memory of 4452	4464	RdrCEF.exe	87

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\97a6ae6d1aff4f960642b24ca3c72e99.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:4032
- 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:4464
- - 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=C6F4066424E1FD3A5DDD31BC0535B9A8 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1728
- - 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=134B7D01F0EFBAAAD89D1B74B5BFD56E --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=134B7D01F0EFBAAAD89D1B74B5BFD56E --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4452
- - 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=FA6422CD74F6405C8450ED17A05EB2EF --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4248
- - 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=298DFD23B66ABC15B7FD23C47795E580 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3576
- - 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=6EB297671B60573BA32805CB974D7E5F --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4688
- - 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=D851F1A2A6251E1B7F89EE30DA084061 --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=D851F1A2A6251E1B7F89EE30DA084061 --renderer-client-id=7 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5024

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5000

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
34ed539a6384774c31b08dc052a287b8

SHA1
d89141f791dfb6f896404dd1f9b4570b0c8f232b

SHA256
fb0092124e7e70160f67d480fcff9d4dc9d92ae1bc4c5ab81762eb61d62e8585

SHA512
4a8cbea3d8966cb9c4ad2b1e0a344e962736b3ace06609a03f7e7f5576934483430530aed49d808de245fc95d09f1c52b03294d36f926acea23791e502f83667

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/4032-26-0x000000000A9A0000-0x000000000A9F0000-memory.dmp

Filesize
320KB

Download