7f7e88e5721e3eca08dc08228c3e92d2ac502a1eedec342a9a8a152ee93702b1

Analysis

max time kernel
141s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
20/12/2023, 04:37

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General

Target

www/assets/test.87966fef.pdf
Size

16KB
MD5

86048d0218614eb56e5127bdd5ae234f
SHA1

0978fbcc546bb35432d1732d15779d8afda99f95
SHA256

87966fef8d64e9ebd63bfb0aa43241b83673f0de2c22580d8e892c33b0c36851
SHA512

7948f25ad8e8e3e6376b4a5c01385d46b28aa1dcb1fe3e9ac0152f7b1ac371cdf6a29eba42ce46625908f0453cafd46e51c578d79e43e1ed6e2162288a6e99eb
SSDEEP

384:wR/e5I5UzngZkqnj3xhBZKbOMQQdTfbt3bp2C9c:wU5IungZbnj3xhbKwQFBds

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3912	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe
3912	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3912 wrote to memory of 2788	3912	AcroRd32.exe	92
PID 3912 wrote to memory of 2788	3912	AcroRd32.exe	92
PID 3912 wrote to memory of 2788	3912	AcroRd32.exe	92
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 2928	2788	RdrCEF.exe	93
PID 2788 wrote to memory of 3140	2788	RdrCEF.exe	94
PID 2788 wrote to memory of 3140	2788	RdrCEF.exe	94
PID 2788 wrote to memory of 3140	2788	RdrCEF.exe	94
PID 2788 wrote to memory of 3140	2788	RdrCEF.exe	94
PID 2788 wrote to memory of 3140	2788	RdrCEF.exe	94
PID 2788 wrote to memory of 3140	2788	RdrCEF.exe	94
PID 2788 wrote to memory of 3140	2788	RdrCEF.exe	94
PID 2788 wrote to memory of 3140	2788	RdrCEF.exe	94
PID 2788 wrote to memory of 3140	2788	RdrCEF.exe	94
PID 2788 wrote to memory of 3140	2788	RdrCEF.exe	94
PID 2788 wrote to memory of 3140	2788	RdrCEF.exe	94
PID 2788 wrote to memory of 3140	2788	RdrCEF.exe	94
PID 2788 wrote to memory of 3140	2788	RdrCEF.exe	94
PID 2788 wrote to memory of 3140	2788	RdrCEF.exe	94
PID 2788 wrote to memory of 3140	2788	RdrCEF.exe	94
PID 2788 wrote to memory of 3140	2788	RdrCEF.exe	94
PID 2788 wrote to memory of 3140	2788	RdrCEF.exe	94
PID 2788 wrote to memory of 3140	2788	RdrCEF.exe	94
PID 2788 wrote to memory of 3140	2788	RdrCEF.exe	94
PID 2788 wrote to memory of 3140	2788	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\www\assets\test.87966fef.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:3912
- 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:2788
- - 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=E2B9440D6698F9A964D655138E52812B --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2928
- - 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=CE5C309442C645014D09C22257B7BFCE --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=CE5C309442C645014D09C22257B7BFCE --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3140
- - 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=FBF7A1A7CDECBF60FD9E7197DB45D8A8 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1936
- - 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=F5B7685FB078ACABEDEB48958581916C --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1528
- - 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=78660D2F988FC0B748CDFC64F9BB7DD4 --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=78660D2F988FC0B748CDFC64F9BB7DD4 --renderer-client-id=6 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1692
- - 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=F50BD9BCE5B303F512B56DD5AD3E14DE --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3064

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3892

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
0114e75cc557d815ee9b250cd7c7c1ca

SHA1
7b9a6d7c6ba3a2da7c05993a6da77e3d9b11b842

SHA256
25bb7cce1c0de8461c2df6041828f93ddcc96d186cd32c0c848b4db270c111be

SHA512
b05d843496c8f9842b0991237c5df160a0035e67ca781918e42bd07befa798901644f0bfa93f3098e3aaae0cf5c7bde8c45f1fa5608b905726c4e6747c2313f5

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