616559169d873c4b89ed4f9e93d1a64af680c01e2aa3ae056b2e302d68e73587

Analysis

max time kernel
6s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12/01/2024, 05:29

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General

Target

559ea1c295e3d0834d38fe9d83c1cfa8.pdf
Size

94KB
MD5

559ea1c295e3d0834d38fe9d83c1cfa8
SHA1

79af04ad4e090a1fd6699895717c1e136d7996b8
SHA256

616559169d873c4b89ed4f9e93d1a64af680c01e2aa3ae056b2e302d68e73587
SHA512

f89e2cd00b9eee6e10a6779080c7e40422319d319ed1477ee318e80a949652df6309de3c0185aca202c614a5fb076e57758b8c85615e5fb62069cb667efff03f
SSDEEP

1536:lt+HR0hdKglW/Lvfeo+rQhuy0J4zbDQTPP0GpTzH2CjKtrWyxtlyfWEEJEB5WcpU:Q0rmNoQhuy0pPMeTz2gobTlytQEBwmI

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2800	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2800	AcroRd32.exe
2800	AcroRd32.exe
2800	AcroRd32.exe
2800	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 1604	2800	AcroRd32.exe	94
PID 2800 wrote to memory of 1604	2800	AcroRd32.exe	94
PID 2800 wrote to memory of 1604	2800	AcroRd32.exe	94
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3168	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3352	1604	RdrCEF.exe	95

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\559ea1c295e3d0834d38fe9d83c1cfa8.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2800
- 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:1604
- - 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=87671C5D6F2E15010926916815D07B32 --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=87671C5D6F2E15010926916815D07B32 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3352
- - 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=35717EAB3EA2214C422246D740A5B05F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3168
- - 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=AC900E800F45BA1E9C1F2F5E57B19427 --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=AC900E800F45BA1E9C1F2F5E57B19427 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2092
- - 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=D665C588E6AAADB3389E3E256CC67864 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2528
- - 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=8417D3AE94CA5C0AE1FF5D5C5E921332 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3812
- - 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=B32D0DB49D980E70F71B7CD721EA7220 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3096

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2764

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
da92a4dfcd23611112ba0a3b219c3873

SHA1
25827bdd26cdc980af5514eabf5bdb9c73a77c83

SHA256
bae979f743267fa5612dd16a402d3be4f598989dd1950f8da431b1bf45eebb0f

SHA512
4eccf2e88f03d589213c47b77a90122bf3c7369b924e4cae6f99c6abb6e40147d2e8ae70bb0723438f77b4bc351b2dc60ea2b6a4ab37b20cc467ee5dec195119

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