21b211ab421b98cef7aa2ba30ed3ce24ad22db5e0060eeaee0e2603c52e2ed1b

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 10:37

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General

Target

09b90b326a8e8b1e0ba56f5cfe3f7e6a.pdf
Size

34KB
MD5

09b90b326a8e8b1e0ba56f5cfe3f7e6a
SHA1

1f9938f369cecf8dcce033c4ce1ce758aef2535b
SHA256

21b211ab421b98cef7aa2ba30ed3ce24ad22db5e0060eeaee0e2603c52e2ed1b
SHA512

f4d7e436ba2f5e5de8fc1a2cdbfe187378c976baffb072efa691337b6284c2e1107dee12b0616a54bd9956558f52c44e821278161fcc385cc72765be9be8b241
SSDEEP

768:BgGzpDsCOCfDdl7GTOr1mYgEqgHMLpT9MRLDEg9/++B:yGFLO6DT79vgEqgHQpYUg9XB

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1852	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 3536	1852	AcroRd32.exe	91
PID 1852 wrote to memory of 3536	1852	AcroRd32.exe	91
PID 1852 wrote to memory of 3536	1852	AcroRd32.exe	91
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2216	3536	RdrCEF.exe	92
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93
PID 3536 wrote to memory of 2836	3536	RdrCEF.exe	93

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\09b90b326a8e8b1e0ba56f5cfe3f7e6a.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:1852
- 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:3536
- - 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=125A2E91D35D006D741E5CE1CD0298B2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2216
- - 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=0EA3DDDB0CA03FC80AB9108C1C6A8424 --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=0EA3DDDB0CA03FC80AB9108C1C6A8424 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2836
- - 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=9CA810F4CCED30631511174E73DAE4F7 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4240
- - 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=44627535D17EA1AD91AA6B07E4DC2DB8 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3624
- - 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=89856C8DC5B3BD658BA3EED97694AF1A --mojo-platform-channel-handle=2372 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5096
- - 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=118B2872157C96B2C4E42F091218D3A8 --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=118B2872157C96B2C4E42F091218D3A8 --renderer-client-id=7 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1452

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4852

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
2ba7cf654a359815feb5244fc5c383ed

SHA1
8db5e3ae782dede76c163de8e4cf9fbd68cd1314

SHA256
8e2b75e3558b1db01acb21c8510fdcef3ba447151e4c78b7dc67842da49aad24

SHA512
1e32da02e64e8db8ab2d91843121b558abc59c87dcc7dd15ca3815517453c275eda81fa1d77825e98d79eb7778aaa551a86faa2e800599e05293fb8f72406232

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