6723e82cbe8ce89a3481aa3790b2135cc8bd0723c1d5cb1e992f7d78f799251b

Analysis

max time kernel
166s
max time network
180s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 11:51

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General

Target

6c38e352de49690ba013a420a8bc8c72.pdf
Size

88KB
MD5

6c38e352de49690ba013a420a8bc8c72
SHA1

3bd889068ff7b33b0fa08835137d4e3d15958663
SHA256

6723e82cbe8ce89a3481aa3790b2135cc8bd0723c1d5cb1e992f7d78f799251b
SHA512

46d0682fd41caf6922cf617232420541ed4a24b0f09403db91c398393e0211678682794bdfa36316e6dd5ebcece0e5d912e3c8adb85bf9b9e68cf00a3eb240a5
SSDEEP

1536:oEE35cQCcREkLkH6ptNYvCc1ujv3mZEDDrrWt2UlmmwXYyiswT3QpQLWQpOC/b8L:9EeQCMEArtNYqcgjvmZyDE2UrswT3QGa

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
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4556	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4556 wrote to memory of 2016	4556	AcroRd32.exe	94
PID 4556 wrote to memory of 2016	4556	AcroRd32.exe	94
PID 4556 wrote to memory of 2016	4556	AcroRd32.exe	94
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 692	2016	RdrCEF.exe	97
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98
PID 2016 wrote to memory of 4788	2016	RdrCEF.exe	98

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\6c38e352de49690ba013a420a8bc8c72.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:4556
- 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:2016
- - 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=31F2CAE29E1390026B4178E6E1F64D22 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:692
- - 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=21352E1B7B01211FB986EEB7B07228B3 --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=21352E1B7B01211FB986EEB7B07228B3 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4788
- - 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=CD50CD40B1EC5914C2EFD070D5409123 --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=CD50CD40B1EC5914C2EFD070D5409123 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:412
- - 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=C59723D82D54B93FBE9CEBFA6BB75391 --mojo-platform-channel-handle=1872 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4532
- - 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=202158766966E63ABFAB404275B1A5B3 --mojo-platform-channel-handle=2604 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1944
- - 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=57D01E9388DC2EB1ED821426C5E7AB58 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:212

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1316

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
4e9f3c395387b2c2d7d97905a9d3f6ba

SHA1
629a9e3fb87128f217353f16d96260526cedd6ae

SHA256
a7c0acef4b8dc385643b4062c00c8eb5718f763549dea36e9daeb733f488ceb0

SHA512
0ae90310c61c2f56ece5fcbceb23115f4d3eccd05515e49447c6f18961847f495f00ad1d4bca68369c6c37284cc566c20e2d80f9dad7becb3fbcc4aa749795e9

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