d75b3e3837d91492dd5403c79e4fd9cf6e62103b60e48b2777d6a8abb6ad7f37

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
13-02-2024 18:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

99ce26938ef1296a3cdf8635286a1fd0.pdf
Size

181KB
MD5

99ce26938ef1296a3cdf8635286a1fd0
SHA1

9e93d95311334bb1acf14858350ddf15cff460e6
SHA256

d75b3e3837d91492dd5403c79e4fd9cf6e62103b60e48b2777d6a8abb6ad7f37
SHA512

87f0a3e40e381969039fba73f441f45005b66881c83849920d46801bbdc1bdc73c836cf099d79ed3c684e82611c1b22932dc5c0c5a5c4295aedfa95a8be24c69
SSDEEP

3072:TCBjtoj734JxtAuDOFLs5QAMeVM4IoUhiisVfmRaUu2NqL+PV4:OBjtOIJxtvDOFEQyqjbRatLEa

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4112	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4112 wrote to memory of 2408	4112	AcroRd32.exe	87
PID 4112 wrote to memory of 2408	4112	AcroRd32.exe	87
PID 4112 wrote to memory of 2408	4112	AcroRd32.exe	87
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 2932	2408	RdrCEF.exe	89
PID 2408 wrote to memory of 1912	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 1912	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 1912	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 1912	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 1912	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 1912	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 1912	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 1912	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 1912	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 1912	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 1912	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 1912	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 1912	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 1912	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 1912	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 1912	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 1912	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 1912	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 1912	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 1912	2408	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\99ce26938ef1296a3cdf8635286a1fd0.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2408
- - 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=F85F2D0D599E535D1271D781C5D9460A --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2932
- - 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=DBE9B66898B40B10399E468F2C138F22 --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=DBE9B66898B40B10399E468F2C138F22 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1912
- - 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=1B993A2C36341A7847CE50AB53CDF31F --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4168
- - 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=D9D887A15303E29C1CE78BE4FEFB4844 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3108
- - 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=F3383EAF49D235F02ADB2BFC8A28FED5 --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=F3383EAF49D235F02ADB2BFC8A28FED5 --renderer-client-id=6 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1788
- - 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=A9E326AF354FE05839AA3981481EB6BD --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3052

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1636

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
9d1cec1653397613987f59402552bc76

SHA1
2350789a7cf02e6514045bc5be5746c7005ba173

SHA256
55cfc8dc5dcca1746e678158fe0d64cb5e218b54ecb318290ef4e18b8ed62b95

SHA512
2edb8897727ebcc61a7da96f949fcabe2c680798b7644d8c7a88aca010d73fb03b5463ca0bc30c6909b5367b4d63792203b74cd945ffdf3af7e09b7cc9095058

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/4112-27-0x0000000011C80000-0x0000000011CA1000-memory.dmp

Filesize
132KB

Download