b78a54cc8d0ae1a527f309774dc7e7a2382a8e5a12cb8fa0792929216aded464

Analysis

max time kernel
171s
max time network
189s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 12:58

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General

Target

36fecf719846f9903a9ad6665a290cfe.pdf
Size

47KB
MD5

36fecf719846f9903a9ad6665a290cfe
SHA1

759bf72c067a4054c513288f56a4029d1934f88e
SHA256

b78a54cc8d0ae1a527f309774dc7e7a2382a8e5a12cb8fa0792929216aded464
SHA512

88f7da7924b23e61ed6aa65cc6ee74ac2133a707e9d66d2943b38afbb175fa636acde7b4ba6271ec97eb5d370216c242866409c87ad465feb7ad8ed4e78ec836
SSDEEP

768:hNk0JnRW2qkmBQ1emxsfizopPwPC7b593Jsxh2DAMVJE7NVqOLiY:hNkgRY+1H9zoZRZsx6vVJEbeY

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3984	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe
3984	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3984 wrote to memory of 2720	3984	AcroRd32.exe	96
PID 3984 wrote to memory of 2720	3984	AcroRd32.exe	96
PID 3984 wrote to memory of 2720	3984	AcroRd32.exe	96
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 5068	2720	RdrCEF.exe	97
PID 2720 wrote to memory of 652	2720	RdrCEF.exe	98
PID 2720 wrote to memory of 652	2720	RdrCEF.exe	98
PID 2720 wrote to memory of 652	2720	RdrCEF.exe	98
PID 2720 wrote to memory of 652	2720	RdrCEF.exe	98
PID 2720 wrote to memory of 652	2720	RdrCEF.exe	98
PID 2720 wrote to memory of 652	2720	RdrCEF.exe	98
PID 2720 wrote to memory of 652	2720	RdrCEF.exe	98
PID 2720 wrote to memory of 652	2720	RdrCEF.exe	98
PID 2720 wrote to memory of 652	2720	RdrCEF.exe	98
PID 2720 wrote to memory of 652	2720	RdrCEF.exe	98
PID 2720 wrote to memory of 652	2720	RdrCEF.exe	98
PID 2720 wrote to memory of 652	2720	RdrCEF.exe	98
PID 2720 wrote to memory of 652	2720	RdrCEF.exe	98
PID 2720 wrote to memory of 652	2720	RdrCEF.exe	98
PID 2720 wrote to memory of 652	2720	RdrCEF.exe	98
PID 2720 wrote to memory of 652	2720	RdrCEF.exe	98
PID 2720 wrote to memory of 652	2720	RdrCEF.exe	98
PID 2720 wrote to memory of 652	2720	RdrCEF.exe	98
PID 2720 wrote to memory of 652	2720	RdrCEF.exe	98
PID 2720 wrote to memory of 652	2720	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\36fecf719846f9903a9ad6665a290cfe.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:3984
- 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:2720
- - 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=58E1B90DB1A3F47B9391B88ACB128D60 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5068
- - 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=82932016310231AA2C3402C6C1306178 --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=82932016310231AA2C3402C6C1306178 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:652
- - 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=C2FD3B3C008B0509D1C81CD629C5EFC3 --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=C2FD3B3C008B0509D1C81CD629C5EFC3 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1492
- - 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=9DD9D6DC44F45EB2F6EF70816ECA9BF2 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5108
- - 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=D26511E6F0042FB486DA73D4AE9F4927 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2896
- - 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=A18AB0FE7CB25461998A77C184834862 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2808

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3060

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
2778d3bf5d7b10342b030f5e91b4cdc4

SHA1
06086a0c8345a0e40d33797b7d88efaf6f16d2fe

SHA256
9bd7893868da1be214ba52868c6d4c9af9fc1fb1eff35e79bc5d565c2dadfcc2

SHA512
6e6f2921a22a7b5d86795428d15285adee427d184011cdaa45390d59303e1bebae11b63439c38e978fda9374bb7285a9d37cf4dd6386889436bbdebc1a917d7a

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