2d2b3fcd39dfcf4e0a6cf227c2131ba1dea7847e41651db2253bfefba4ad3846

Analysis

max time kernel
141s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06-03-2024 16:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b7de5f4764ee1bc74ef3983f97ebcc37.pdf
Size

34KB
MD5

b7de5f4764ee1bc74ef3983f97ebcc37
SHA1

c85c19ec168910a222399e4775046645d7edb180
SHA256

2d2b3fcd39dfcf4e0a6cf227c2131ba1dea7847e41651db2253bfefba4ad3846
SHA512

4aa3502a3bee4e3b47c66cf108ef1093348227247911c4cde545b6f6a0b369458819015e80e776dc197c88addacc21ec25247e9c9a95b378283db6d710dfd350
SSDEEP

768:N63nyGrPBAU24vefjk8R7u8+cthUQp37KCt0Gb/BLh0aZO5vE:N4hBQz7ScrZZ+F8r0aZuvE

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2712	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2712 wrote to memory of 4756	2712	AcroRd32.exe	94
PID 2712 wrote to memory of 4756	2712	AcroRd32.exe	94
PID 2712 wrote to memory of 4756	2712	AcroRd32.exe	94
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 5016	4756	RdrCEF.exe	95
PID 4756 wrote to memory of 2020	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 2020	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 2020	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 2020	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 2020	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 2020	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 2020	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 2020	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 2020	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 2020	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 2020	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 2020	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 2020	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 2020	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 2020	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 2020	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 2020	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 2020	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 2020	4756	RdrCEF.exe	96
PID 4756 wrote to memory of 2020	4756	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\b7de5f4764ee1bc74ef3983f97ebcc37.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:2712
- 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:4756
- - 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=242C910E803A68ADC857387B031C4F34 --mojo-platform-channel-handle=1680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5016
- - 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=A238673BD12086A653C1AC940F509DA2 --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=A238673BD12086A653C1AC940F509DA2 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2020
- - 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=FB455F93D85080CD309CD4E5C2EA2B8C --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1976
- - 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=5BDF8259A884C28A4CBB67934D1BE23D --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:324
- - 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=5B9D16EA915216000DF26AF3A5097895 --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=5B9D16EA915216000DF26AF3A5097895 --renderer-client-id=6 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:216
- - 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=0E244921BC288A71DDE915F67CAD9D50 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:916

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4432

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
b5f109a6e6ca733309f7479b0a1c2c88

SHA1
3150cad335ab518a18649a87bb5500c80a93f527

SHA256
3dcef1bd234859e146aba989a88b5543c04f7a0eec498879416c2913aba2c57f

SHA512
cec1512116f2eee3a7ad70c739937f258c7ff227efb304915b6983524e0c3ae6462b5daa20e87d88e01c322a2c009f52371384379085f4481eab239ad8dca2ab

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/2712-26-0x000000000A0C0000-0x000000000A110000-memory.dmp

Filesize
320KB

Download