cd66a670f1585084bb5874661dee2145d31a0bcd84262b628f3a5b2d202946c7

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 12:56

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General

Target

36f1d34d1f504354b5538cf48e14c524.pdf
Size

87KB
MD5

36f1d34d1f504354b5538cf48e14c524
SHA1

3640341495a39ab5a88a21698ff3c304af485e20
SHA256

cd66a670f1585084bb5874661dee2145d31a0bcd84262b628f3a5b2d202946c7
SHA512

818f437ff192c9a1dc4597e83b94d9edb3c1a58b101ec06ec1796b0b91998b95cff24b444468cb42b3d5a445c2e84d52182c416f5a2a1d72eb6f5f3f160c9726
SSDEEP

1536:G5HhsYdmSMsyYj93DuYxX3FJDwQCtMWSdeaSv+EDs6d5qWYpO2+WOrMlt36h3Dab:UdmoPaYVbwQCtMWSdeaz0ph2MMlt3+3S

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2356	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 4752	2356	AcroRd32.exe	92
PID 2356 wrote to memory of 4752	2356	AcroRd32.exe	92
PID 2356 wrote to memory of 4752	2356	AcroRd32.exe	92
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1052	4752	RdrCEF.exe	95
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96
PID 4752 wrote to memory of 1576	4752	RdrCEF.exe	96

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\36f1d34d1f504354b5538cf48e14c524.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:2356
- 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:4752
- - 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=EF94A11B884BEB83004F93D79814AF5A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1052
- - 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=8869A76EFD7891651779FE6D44048978 --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=8869A76EFD7891651779FE6D44048978 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1576
- - 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=379EBB36290A0953E3CF60AD393B275F --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3000
- - 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=65C1E640ABE9B09D02875A3EC5C18B24 --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=65C1E640ABE9B09D02875A3EC5C18B24 --renderer-client-id=5 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:556
- - 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=A8FA9FC7A7C5597CAD0421878CF857D8 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1300
- - 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=ED10AC64A2CA3D367FCA00D79EA5ABD8 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1852

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4524

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
465ff89e8aaec318fa45bfe7a9c5f75b

SHA1
a019b2ffeb3c1e8ddeb8c3c6750563b8bedbe5ba

SHA256
3c7a614ca187610d52423f01ca18603093bf894120d712fd657aa7f046871924

SHA512
b522bfe237a2b652fa4dd5ac9ebcc84996ea763496fb203e2e76af207e6c0c5ef8cf56748809e8bb54e6e2a9451346b4890b544969201b1ccd6595b51fd0e238

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
memory/2356-26-0x000000000B850000-0x000000000B8A0000-memory.dmp

Filesize
320KB

Download
memory/2356-28-0x000000000B850000-0x000000000B871000-memory.dmp

Filesize
132KB

Download