0d18285a441ec196efb26120bb2a3eb7d221fc7b781405c5d1ba228573b0008a

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 02:46

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General

Target

559f528ec1367b1472ad10b6f6475233.pdf
Size

36KB
MD5

559f528ec1367b1472ad10b6f6475233
SHA1

7db9511cc00bc5433621d6f18705cd557005596d
SHA256

0d18285a441ec196efb26120bb2a3eb7d221fc7b781405c5d1ba228573b0008a
SHA512

9a0603108f845c6e055f342e5e8d6d41f6d04bd07937c5fa7385cdd6a7e055055ad1cc9b5f1a5407792025dbbaca91db0c4dae793b2dda462318911ae2ddae79
SSDEEP

768:1OqivKXCpFIxPCdbMsyCxFAJ7UTIN/VkqS9UllE1ysVz22:1sKSpOxap0v73N9kisVz22

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1324	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 4388	1324	AcroRd32.exe	94
PID 1324 wrote to memory of 4388	1324	AcroRd32.exe	94
PID 1324 wrote to memory of 4388	1324	AcroRd32.exe	94
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 1232	4388	RdrCEF.exe	95
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96
PID 4388 wrote to memory of 3944	4388	RdrCEF.exe	96

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\559f528ec1367b1472ad10b6f6475233.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:1324
- 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:4388
- - 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=9551190FDD4FCEC27A0026DDC7738A04 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1232
- - 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=84DD7F0CD7C6226E89131ED3D56A837C --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=84DD7F0CD7C6226E89131ED3D56A837C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3944
- - 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=B8D0E585DC725385554581F43AEBC768 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3260
- - 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=726A4D43927E40B687C3996905D2D411 --mojo-platform-channel-handle=1684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2844
- - 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=51D02BC1EAFB349808162D74561D3CE2 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3556
- - 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=6633819427F6D96681739AE7FDA4EF82 --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=6633819427F6D96681739AE7FDA4EF82 --renderer-client-id=6 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4932

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3364

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
a1adde1c09b61ee78e7e622aba6cc7e0

SHA1
d69ac07aa01fa34b2dbe85d53db20a2014c3804b

SHA256
ec039fcd22aa28b37387ee074bab8625e1c39dee9dd5af8a0a28715ab77e8215

SHA512
1bc3c4431bfb3bd5584b8562ef4e66ca0175afdad39e32a128ee2571503cd41fd7340df65d14575ff6bff36ea4c2583c056764b051934bb800672b59aaa435ff

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