efa6bd6603c373b328dab3fc9bb24b8b6540a3fc161986a9f140eba6d4584c2e

Analysis

max time kernel
148s
max time network
274s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
24/05/2024, 20:54

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General

Target

Certificate.pdf
Size

183KB
MD5

5ec5a9989a6bd935434274681d390414
SHA1

fd77d697b64ac34292acd6a03feda8dfdb30d6d0
SHA256

a194d16cc627b72b447949dead9253205225dce22ec6cc31f38e4b5bfbf883e5
SHA512

203337d9cea2cd5e17f673f782f2a1b1d6c33da55f0d00a840c76a8b92a2028e5eb154a0a0dc759271717be8259fe852063a4a33e30af6acb30a49ddebc649ae
SSDEEP

3072:zuhkfwlNve59Z2xZb0ViP9lmhEOEQrYirHzhowoyDGjCRUd9Hhuo3Mb:CYiPmhEOEZiiwLDvKHhuDb

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-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1704	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 4720	1704	AcroRd32.exe	90
PID 1704 wrote to memory of 4720	1704	AcroRd32.exe	90
PID 1704 wrote to memory of 4720	1704	AcroRd32.exe	90
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1672	4720	RdrCEF.exe	93
PID 4720 wrote to memory of 1392	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 1392	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 1392	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 1392	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 1392	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 1392	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 1392	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 1392	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 1392	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 1392	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 1392	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 1392	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 1392	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 1392	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 1392	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 1392	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 1392	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 1392	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 1392	4720	RdrCEF.exe	94
PID 4720 wrote to memory of 1392	4720	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\Certificate.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:1704
- 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:4720
- - 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=B85FC9DEEEA56E823D7CF3A77ECE1E4D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1672
- - 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=51ACBDA0E8F9C67B014461A8A3B1E7DB --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=51ACBDA0E8F9C67B014461A8A3B1E7DB --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1392
- - 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=84D577FAA54CC413B6DF401F50901E19 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4500
- - 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=5F902067E7E67BDD5C6682A43AE6BAFF --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=5F902067E7E67BDD5C6682A43AE6BAFF --renderer-client-id=5 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4684
- - 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=C38E68D6FCF312728F05DC7CD4E951E3 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3500
- - 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=1390250281A3AEA2B8DBA82596639012 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2856

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4700

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
2d20a5b359aa4d975d389e31abbb23d9

SHA1
6e798bb27e90f2431c25abda7a7836bf769554b6

SHA256
224e1ab78c6b0ea56ee3fbc6b38faabb5ad137f390d6629637c515dc6704fb57

SHA512
7c283dcde9faf7a639d003c5f030ea0163d4b8ee5086d9dda68b425d86afae3f75c1e8f174bacb59e22827965f103645de85823a71f8e1de5b3083eaf2d1da83

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