2ba6dbc982fb24bcc8e429f64b93469acc4608fca1dbb4b970a514bf5142987e

Analysis

max time kernel
142s
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
31/12/2023, 14:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

393618452bb5fe008327c6af4f56b547.pdf
Size

43KB
MD5

393618452bb5fe008327c6af4f56b547
SHA1

9f57481369770ef218b28ead235e3b6ceb48217f
SHA256

2ba6dbc982fb24bcc8e429f64b93469acc4608fca1dbb4b970a514bf5142987e
SHA512

aade8962e5689fd34d0ed539981f8f9c940c8dbdc07d6db72422f18249013c498afdd6afd500b4d13c77be509ce100078e656a38dfc05a9ff8b1569bdad17cd6
SSDEEP

768:JgGzpDKOyi5zrql51suOCTh7s3vUXros6UMdeNGsIAp5TNrNJGubJbLrrgrRpUcG:qGFmbi5qwCTltPTlGIbL0UcyAyOfA

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3956	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3956 wrote to memory of 4456	3956	AcroRd32.exe	89
PID 3956 wrote to memory of 4456	3956	AcroRd32.exe	89
PID 3956 wrote to memory of 4456	3956	AcroRd32.exe	89
PID 3956 wrote to memory of 1004	3956	AcroRd32.exe	90
PID 3956 wrote to memory of 1004	3956	AcroRd32.exe	90
PID 3956 wrote to memory of 1004	3956	AcroRd32.exe	90
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 2768	4456	RdrCEF.exe	91
PID 4456 wrote to memory of 3196	4456	RdrCEF.exe	92
PID 4456 wrote to memory of 3196	4456	RdrCEF.exe	92
PID 4456 wrote to memory of 3196	4456	RdrCEF.exe	92
PID 4456 wrote to memory of 3196	4456	RdrCEF.exe	92
PID 4456 wrote to memory of 3196	4456	RdrCEF.exe	92
PID 4456 wrote to memory of 3196	4456	RdrCEF.exe	92
PID 4456 wrote to memory of 3196	4456	RdrCEF.exe	92
PID 4456 wrote to memory of 3196	4456	RdrCEF.exe	92
PID 4456 wrote to memory of 3196	4456	RdrCEF.exe	92
PID 4456 wrote to memory of 3196	4456	RdrCEF.exe	92
PID 4456 wrote to memory of 3196	4456	RdrCEF.exe	92
PID 4456 wrote to memory of 3196	4456	RdrCEF.exe	92
PID 4456 wrote to memory of 3196	4456	RdrCEF.exe	92
PID 4456 wrote to memory of 3196	4456	RdrCEF.exe	92
PID 4456 wrote to memory of 3196	4456	RdrCEF.exe	92
PID 4456 wrote to memory of 3196	4456	RdrCEF.exe	92
PID 4456 wrote to memory of 3196	4456	RdrCEF.exe	92

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\393618452bb5fe008327c6af4f56b547.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:3956
- 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:4456
- - 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=1E00C2A5A1163767B01EA8C7C770235B --mojo-platform-channel-handle=1668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2768
- - 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=A69C1878BE9C6E3AC7DB7164AC38B8DC --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=A69C1878BE9C6E3AC7DB7164AC38B8DC --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3196
- - 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=7486B198F367049B36CF39CA0591C4B0 --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=7486B198F367049B36CF39CA0591C4B0 --renderer-client-id=4 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3160
- - 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=6CA03B1CDA9A6C3D0D1D7E15E20E4F8E --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4724
- - 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=DAAFE1B589629C994C3A69A560465E80 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4176
- - 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=57FEE4F15C90CEFEAD9A246E79AF1C3F --mojo-platform-channel-handle=2500 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3416
- 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⤵
  PID:1004

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
0d824275f056b396e7ce5e74c4209a9f

SHA1
4c4208edcd06b42e373cf3315c0f29d5be3b8db0

SHA256
539ff2329bad07799b9affe04790287a3cae155b7e3399117327ca0d5376c345

SHA512
ef0bb85c32310b92e1a426ffd2778d2a046856bfe1633d303768d95dfb00eebc22a36ab262055265eec8953d47a505a576da354ad52d0ff4b36c7b01af7fa1cb

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/3956-135-0x000000000A260000-0x000000000A28A000-memory.dmp

Filesize
168KB

Download