2ed55e1ef5864304bdf512b2689387139289d6af2ad3ce715a0b1c1dda5e4694

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 15:38

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General

Target

INV00191466_202312210842.pdf
Size

111KB
MD5

4a7f0362a6293d49184dd7d26eeb266c
SHA1

89eca524ef7a4ebee91185caa51f19db12763ea8
SHA256

2ed55e1ef5864304bdf512b2689387139289d6af2ad3ce715a0b1c1dda5e4694
SHA512

e4b198950ff566c1350726478ddfb215d931fcb635a786b8c96675f05f181eaf043f88b72b31f1ff717664b764fac1eeae6c2425ddebd68c68b150ff01a6b907
SSDEEP

3072:j8bStiZiT+ZZ4wrvJXgCVMN2ujfbnkHHO8mcYkJZ:j8bSUF74wrvJwN9bkHu7JkJZ

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1920	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe
1920	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 3244	1920	AcroRd32.exe	95
PID 1920 wrote to memory of 3244	1920	AcroRd32.exe	95
PID 1920 wrote to memory of 3244	1920	AcroRd32.exe	95
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 2160	3244	RdrCEF.exe	97
PID 3244 wrote to memory of 1444	3244	RdrCEF.exe	96
PID 3244 wrote to memory of 1444	3244	RdrCEF.exe	96
PID 3244 wrote to memory of 1444	3244	RdrCEF.exe	96
PID 3244 wrote to memory of 1444	3244	RdrCEF.exe	96
PID 3244 wrote to memory of 1444	3244	RdrCEF.exe	96
PID 3244 wrote to memory of 1444	3244	RdrCEF.exe	96
PID 3244 wrote to memory of 1444	3244	RdrCEF.exe	96
PID 3244 wrote to memory of 1444	3244	RdrCEF.exe	96
PID 3244 wrote to memory of 1444	3244	RdrCEF.exe	96
PID 3244 wrote to memory of 1444	3244	RdrCEF.exe	96
PID 3244 wrote to memory of 1444	3244	RdrCEF.exe	96
PID 3244 wrote to memory of 1444	3244	RdrCEF.exe	96
PID 3244 wrote to memory of 1444	3244	RdrCEF.exe	96
PID 3244 wrote to memory of 1444	3244	RdrCEF.exe	96
PID 3244 wrote to memory of 1444	3244	RdrCEF.exe	96
PID 3244 wrote to memory of 1444	3244	RdrCEF.exe	96
PID 3244 wrote to memory of 1444	3244	RdrCEF.exe	96
PID 3244 wrote to memory of 1444	3244	RdrCEF.exe	96
PID 3244 wrote to memory of 1444	3244	RdrCEF.exe	96
PID 3244 wrote to memory of 1444	3244	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\INV00191466_202312210842.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:1920
- 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:3244
- - 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=9F1DBBA75F49E59597324BCEDE2C8FD4 --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=9F1DBBA75F49E59597324BCEDE2C8FD4 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1444
- - 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=A4230AB7233C6513220A0A1B00E26B37 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2160
- - 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=0026F80AE6D0B8AE162A8889529DDE36 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3692
- - 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=36743F2B1C2E0C09590FBA81B713169E --mojo-platform-channel-handle=1768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3920
- - 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=DBE1DC644D15E0EE3CE6DC41B75557B7 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4892
- - 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=D9E0AB004FCEB76D13044FE82DC4416D --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=D9E0AB004FCEB76D13044FE82DC4416D --renderer-client-id=8 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4928

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:936

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
3dd548d88b54d1c5c9dfcd5cd47809ba

SHA1
cc96ee5d8bdfc950dfec3d2c470ab4396a681f3a

SHA256
df317ebebefd9b66ae298bf503aaacc5d8e80dac9f424f81fb55beb816dbe2b4

SHA512
8173a6943bcc801306b6c093c36ded2d3e0d833812cc56c3665a53339baa578c704807792de67c8ef3ac51d4d01ac4c13d5ca224ccd982be18badb47ae0e6281

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