838a49a3e7a075a2db34adb45da0c51621fb342992d0e4f54511d0671e96d416

Analysis

max time kernel
142s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 13:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

99e0a413e98fdb46a69fcc98412cee59.pdf
Size

74KB
MD5

99e0a413e98fdb46a69fcc98412cee59
SHA1

cb4a4cd6db0872431a9876c84064f146d043dc69
SHA256

838a49a3e7a075a2db34adb45da0c51621fb342992d0e4f54511d0671e96d416
SHA512

0368ceed5d50245d7728ac9652a9b8aff856cd4a5c128e77ea547df461a9ced302b87adccb0d7f38550d93e2e0eb8e3e1df4aacde336eb83afc63c599c1512b6
SSDEEP

1536:3PyQbOBwTro5+jDm7a4suNAZ4suDYHmRDFoapyf+S1tTQRA5f:fTyMrdcafuGZB9G8zf+S1tTQR8

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
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3956	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe
3956	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3956 wrote to memory of 4712	3956	AcroRd32.exe	91
PID 3956 wrote to memory of 4712	3956	AcroRd32.exe	91
PID 3956 wrote to memory of 4712	3956	AcroRd32.exe	91
PID 3956 wrote to memory of 1988	3956	AcroRd32.exe	92
PID 3956 wrote to memory of 1988	3956	AcroRd32.exe	92
PID 3956 wrote to memory of 1988	3956	AcroRd32.exe	92
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 4592	4712	RdrCEF.exe	93
PID 4712 wrote to memory of 3056	4712	RdrCEF.exe	94
PID 4712 wrote to memory of 3056	4712	RdrCEF.exe	94
PID 4712 wrote to memory of 3056	4712	RdrCEF.exe	94
PID 4712 wrote to memory of 3056	4712	RdrCEF.exe	94
PID 4712 wrote to memory of 3056	4712	RdrCEF.exe	94
PID 4712 wrote to memory of 3056	4712	RdrCEF.exe	94
PID 4712 wrote to memory of 3056	4712	RdrCEF.exe	94
PID 4712 wrote to memory of 3056	4712	RdrCEF.exe	94
PID 4712 wrote to memory of 3056	4712	RdrCEF.exe	94
PID 4712 wrote to memory of 3056	4712	RdrCEF.exe	94
PID 4712 wrote to memory of 3056	4712	RdrCEF.exe	94
PID 4712 wrote to memory of 3056	4712	RdrCEF.exe	94
PID 4712 wrote to memory of 3056	4712	RdrCEF.exe	94
PID 4712 wrote to memory of 3056	4712	RdrCEF.exe	94
PID 4712 wrote to memory of 3056	4712	RdrCEF.exe	94
PID 4712 wrote to memory of 3056	4712	RdrCEF.exe	94
PID 4712 wrote to memory of 3056	4712	RdrCEF.exe	94

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\99e0a413e98fdb46a69fcc98412cee59.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:3956
- 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:4712
- - 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=9BD58CF1A5F8741A9756C6597980B076 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4592
- - 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=7902C41B2224F3EA7B242ECCCF655BBB --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=7902C41B2224F3EA7B242ECCCF655BBB --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3056
- - 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=F15981FD2458829B8A0E7A04C9ED820C --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=F15981FD2458829B8A0E7A04C9ED820C --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3568
- - 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=653D17BC208FB61E2415666C9C5940F8 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4476
- - 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=6DCC41BE6BC768E5B40CA61F66B6204E --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2564
- - 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=CBBA381F5CE55BB374B672FF499F76BD --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3180
- 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⤵
  PID:1988

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2156

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
32011dbec99df7d9b1006840566bd6e3

SHA1
a6493274b2b47712553302d3425e1677c10f3a49

SHA256
bf3691f08e7065243564dc8ed0beca79d996f898accd0a89cc80fa2f0746b887

SHA512
bb44732bb863fa14c9eb9a3baa5aee37df29a2f9539c6898b8b742d539692eb6d1eeb767181e5c574755fc437e3acd3d98a9b7bacc1440a1a1634fec1cf70149

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