f7ec2dd8dee38725c8b6709df2e5766152fc614d54fadc1157b2d551ad6ff443

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28-01-2024 08:56

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General

Target

7cb22cc5b22e5d1acf3434bc222518dc.pdf
Size

89KB
MD5

7cb22cc5b22e5d1acf3434bc222518dc
SHA1

bef4a7ee4a169c3f5b12445f59b655014029b071
SHA256

f7ec2dd8dee38725c8b6709df2e5766152fc614d54fadc1157b2d551ad6ff443
SHA512

d4a11a438451805673b51f18a9688a23031bb4bd5fc57c1914dcc84d91811950f79ec0d3c26888f6fc183ab54a082350116319a88b9d098b49a02e78d2c0eb10
SSDEEP

1536:MSHGZ6c8OqYU+vTdGXXs7tDpn6PPuyktlXuoptssPIAs1W60TEohq6eVbBIyWspS:vmZCOKukXXsDnUPuVLXuoPssPgW4h6ek

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
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 5 IoCs

pid	Process
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 2848	3712	AcroRd32.exe	91
PID 3712 wrote to memory of 2848	3712	AcroRd32.exe	91
PID 3712 wrote to memory of 2848	3712	AcroRd32.exe	91
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 3444	2848	RdrCEF.exe	94
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95
PID 2848 wrote to memory of 5084	2848	RdrCEF.exe	95

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\7cb22cc5b22e5d1acf3434bc222518dc.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:2848
- - 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=07C66667D7BE8D9DA340463DFAA25B26 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3444
- - 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=2FAD5E431CBC0E6FF8724B20031F69CD --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=2FAD5E431CBC0E6FF8724B20031F69CD --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5084
- - 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=62C86AE859A53BC447FEFCB66E0545DF --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2104
- - 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=59EEB14A88A202906C681A8BCE5F48D9 --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=59EEB14A88A202906C681A8BCE5F48D9 --renderer-client-id=5 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4396
- - 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=5639A0CE49DC2EB84AFACADF74F0152B --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3656
- - 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=014EA9F779E3FAA91C225488ECAFE37A --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2240

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4044

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
42dd3853e896d4d49f0ba1049ab25f0c

SHA1
7be7b83423cd743bb6e602c886db4cde1197b770

SHA256
35b41fb6127974ccc9ae4b90f1f5e7bfc10797460a1071154c57cbf7e3ef89fe

SHA512
8f72197610fdce30c70fae7228c096934df827a40dc9b409cd7c61f7df713cf4f7e2d1b8eb74a7e1d8dd57ae81d2c75e5b9530ec2cb43123c90133a64fe1de2f

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