d16b4435554a930a628fc9fb9ea0363274e7b305bfdc101c76a98ebb3f12dfc7

Analysis

max time kernel
150s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
25/03/2023, 02:03

Sharing

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General

Target

ROOT.pdf
Size

141KB
MD5

23037859794c9ca16e32b95769f3c809
SHA1

cb5a12cdac4df6c0585fa9ab49ca86dfd383dae4
SHA256

d16b4435554a930a628fc9fb9ea0363274e7b305bfdc101c76a98ebb3f12dfc7
SHA512

a0adfe2a61a92d401505653aa33ec96c9671d6d6deffa3e1361dfcea1d71572e0803a716953280e9f185e6476f80963cc248ded9f504feb2ffa0176365a600e1
SSDEEP

3072:IblvzxJ16pto9BSL/bAzdzfTwnijR9opOswX74KUg7XFlmfRbx4YGbW:WlB67oXSDgLwngKJo75tzK5bxkbW

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
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1220	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe
1220	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1220 wrote to memory of 3580	1220	AcroRd32.exe	92
PID 1220 wrote to memory of 3580	1220	AcroRd32.exe	92
PID 1220 wrote to memory of 3580	1220	AcroRd32.exe	92
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 2172	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 636	3580	RdrCEF.exe	94

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\ROOT.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:1220
- 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:3580
- - 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=46A8C4278C22050F5D1271DD20CB661E --mojo-platform-channel-handle=1712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2172
- - 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=F1C43FAFAC17908DCDDF3FD44E26B2B1 --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=F1C43FAFAC17908DCDDF3FD44E26B2B1 --renderer-client-id=2 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:636
- - 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=3A50746EF407F023FE40FF098874CF7E --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=3A50746EF407F023FE40FF098874CF7E --renderer-client-id=4 --mojo-platform-channel-handle=2252 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4688
- - 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=3E5A42A5117975F5680958A8174DD0D2 --mojo-platform-channel-handle=1836 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3724
- - 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=B2161FE5F436759399B86F05641632FF --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1724
- - 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=4FFAC73C29DAF30D4B7A684A40D2BEBA --mojo-platform-channel-handle=2804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4036

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3308

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
7384b415ea4c9494851f3f70d9d39aeb

SHA1
5f63a172496ea92119f932978b75524252a80d1d

SHA256
475130e1e8697bbf4c216612ce7182af24fb7d9c485ec3955e54060354d11153

SHA512
757ea5c2aa9b91b8cc295d35278a12ab37b9bc2e1a628cc5e338e44bae8db84551cde2cfb90548d90a90488aa3d0decfa5d9bbb6786d1277c2815eb1bcb1603d

Download Submit
memory/1220-258-0x000000000A000000-0x000000000A021000-memory.dmp

Filesize
132KB

Download
memory/1220-263-0x000000000A000000-0x000000000A021000-memory.dmp

Filesize
132KB

Download
memory/1220-268-0x000000000A000000-0x000000000A021000-memory.dmp

Filesize
132KB

Download