d8b7579e7edccf7d582aa98bcc35846ae1b11185ef02362144da8a62c0d33104

Analysis

max time kernel
141s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
28/03/2023, 07:43

Sharing

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General

Target

SPA-INV-6899-Sent-2023-02-07.pdf
Size

14KB
MD5

09295ff589b045425598388e1cba13f6
SHA1

3b63c9a75e88c59d7ac2f4e17c6ce6c9444be29c
SHA256

d8b7579e7edccf7d582aa98bcc35846ae1b11185ef02362144da8a62c0d33104
SHA512

990ab034441b0c49fccdfa7506647d46fcf622037821cf251131aea87690a6291756023b70f56140424f8138bfe552d722b24fdab58dfcd5d03f463acce181bb
SSDEEP

384:rX0luJRsBRmXe6f7QSNBBKOWpVV4BVKyQUbxN:3wSe5uBBKOWp8BsyL

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-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3712	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe
3712	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3712 wrote to memory of 4992	3712	AcroRd32.exe	88
PID 3712 wrote to memory of 4992	3712	AcroRd32.exe	88
PID 3712 wrote to memory of 4992	3712	AcroRd32.exe	88
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 872	4992	RdrCEF.exe	89
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90
PID 4992 wrote to memory of 2184	4992	RdrCEF.exe	90

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\SPA-INV-6899-Sent-2023-02-07.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:3712
- 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:4992
- - 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=59D32AD7210AF6A6EFA17E95CF1C3DE0 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:872
- - 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=805FF890EF3E3DEA8B161F3C80113E65 --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=2 --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=805FF890EF3E3DEA8B161F3C80113E65 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2184
- - 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=3B332F0B728412FF93523AA18B4189CC --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1764
- - 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=2A4EB5E5117F4F4D3A809C091D4FA99F --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=2 --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=2A4EB5E5117F4F4D3A809C091D4FA99F --renderer-client-id=5 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4112
- - 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=25CA90712FAA9B76AD49B3C7696E9E4E --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4344
- - 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=FB3D988F79E185DA0F1338DBABAEC5D8 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2652

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3016

Network

MITRE ATT&CK Enterprise v6

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
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
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
9c6beb5852f8a53cfbba24ec89828c94

SHA1
0cefc0501c979034a5b3d237656121f7392204e2

SHA256
0f42cb2684a183287c659931cb0a05c390cf8c0506b1b8d82ab303fa6dc9bc30

SHA512
b2740052ac1c6e179d3ace1375cb759aad5890a68bde80ac70b4bff222f05eb3d906eb2fd9369d55df98e06f280afa7525aee67588504914a63f122ca1fd4ce9

Download Submit