c244cddeb4aa2ddcc4b98f0d4cd6398880ab55645b9e9731d84bbe93e422e13d

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 21:21

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General

Target

0451a3eb0901c35bd038bf035e8ea734.pdf
Size

87KB
MD5

0451a3eb0901c35bd038bf035e8ea734
SHA1

6fe6ad09ad29fcd6eb695edc2c9a12ffa48a1496
SHA256

c244cddeb4aa2ddcc4b98f0d4cd6398880ab55645b9e9731d84bbe93e422e13d
SHA512

bf510bb3bd538f842dbd6a2e2525e6b906f5248b8cf7189fbcafcd1d6561bfe1e4df78aa83532b631f713ca778a1967ae74afb6ed06538bfdd43b1d2ac351ed6
SSDEEP

1536:oV6U2CVosUiM7ML0DIOsjmomwKdhK5l0Pw4jmez4gNlsWHpOvJ26WdZf8wt5Qd5:26C9Ux7hDIGZrKzEw4qAlkvJ2new30

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4508	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4508 wrote to memory of 964	4508	AcroRd32.exe	95
PID 4508 wrote to memory of 964	4508	AcroRd32.exe	95
PID 4508 wrote to memory of 964	4508	AcroRd32.exe	95
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 1600	964	RdrCEF.exe	97
PID 964 wrote to memory of 2156	964	RdrCEF.exe	98
PID 964 wrote to memory of 2156	964	RdrCEF.exe	98
PID 964 wrote to memory of 2156	964	RdrCEF.exe	98
PID 964 wrote to memory of 2156	964	RdrCEF.exe	98
PID 964 wrote to memory of 2156	964	RdrCEF.exe	98
PID 964 wrote to memory of 2156	964	RdrCEF.exe	98
PID 964 wrote to memory of 2156	964	RdrCEF.exe	98
PID 964 wrote to memory of 2156	964	RdrCEF.exe	98
PID 964 wrote to memory of 2156	964	RdrCEF.exe	98
PID 964 wrote to memory of 2156	964	RdrCEF.exe	98
PID 964 wrote to memory of 2156	964	RdrCEF.exe	98
PID 964 wrote to memory of 2156	964	RdrCEF.exe	98
PID 964 wrote to memory of 2156	964	RdrCEF.exe	98
PID 964 wrote to memory of 2156	964	RdrCEF.exe	98
PID 964 wrote to memory of 2156	964	RdrCEF.exe	98
PID 964 wrote to memory of 2156	964	RdrCEF.exe	98
PID 964 wrote to memory of 2156	964	RdrCEF.exe	98
PID 964 wrote to memory of 2156	964	RdrCEF.exe	98
PID 964 wrote to memory of 2156	964	RdrCEF.exe	98
PID 964 wrote to memory of 2156	964	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\0451a3eb0901c35bd038bf035e8ea734.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:4508
- 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:964
- - 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=C02B34357ACFACFF1E76335E2974EE7E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1600
- - 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=EFCA3BA9EEF5D71342C9C35DCDFE1DAD --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=EFCA3BA9EEF5D71342C9C35DCDFE1DAD --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2156
- - 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=1BDDD1EEC6F4D0A76A94A7539DA3FDA1 --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=1BDDD1EEC6F4D0A76A94A7539DA3FDA1 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4092
- - 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=EF983EC8B33F7E40116A120A96B0103B --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=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=81C29C41B389702758E3D1F39D18F7AC --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4612
- - 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=755AF5D577BCB318B847CDE222B7B86A --mojo-platform-channel-handle=2512 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1372

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4932

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
d5c9e4a55ca40837298d776fd2efcac5

SHA1
a39a56251a4a3c1cf2b64d1307776b10df0e7e69

SHA256
c11cb522255e9812e281fc93991af7f45c20ba420dcec3506218fced61698ea4

SHA512
ff0f6afcd5e383d029721edcb26308c027dfc7ac6e8257cb1d0c8a87ad11659d79ace49f6328a4f600461101b965ce4c033f5879b35490bd456630eb3db00ccc

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