cd98f2e0aa27d9cb43077590b47e3baeab7970c31232edaf3b2743095e0af376

Analysis

max time kernel
142s
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
04/02/2024, 04:05

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General

Target

8e2ce29768604e2b3c834544ecad317e.pdf
Size

66KB
MD5

8e2ce29768604e2b3c834544ecad317e
SHA1

1524c65c69b18cea823e2d2f94d40d8226201c30
SHA256

cd98f2e0aa27d9cb43077590b47e3baeab7970c31232edaf3b2743095e0af376
SHA512

dc30f495c085cfd5580f72abb393ef6a52cd04a233f2dc8b139b879f52725f322065269e0b808826b47e4b6a8b8eb86b5eef865db3c418482480f6510455a948
SSDEEP

1536:pLRqRP7F1Q6RGyHOFVE40N3sLcHZaCFvGTQlqTSXu7:t09GuK5yc4HZaCV4lTS6

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
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1440	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1440 wrote to memory of 2416	1440	AcroRd32.exe	85
PID 1440 wrote to memory of 2416	1440	AcroRd32.exe	85
PID 1440 wrote to memory of 2416	1440	AcroRd32.exe	85
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4056	2416	RdrCEF.exe	88
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89
PID 2416 wrote to memory of 4088	2416	RdrCEF.exe	89

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\8e2ce29768604e2b3c834544ecad317e.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:1440
- 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:2416
- - 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=6694BACDB76A8A37B88A74496A1E70B9 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4056
- - 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=5D02656C3F2A6AB2C1A877D189A48DA6 --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=5D02656C3F2A6AB2C1A877D189A48DA6 --renderer-client-id=2 --mojo-platform-channel-handle=1800 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4088
- - 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=4EFB29FC87E220017B6F7343084C79B6 --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=4EFB29FC87E220017B6F7343084C79B6 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3128
- - 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=73C3DCD77182C68FB7FAA54494D4F0F9 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5060
- - 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=49C3034501E694F988083CD892819B0B --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2184
- - 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=BF04461982E98A550270CC1133D3650F --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1344

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3968

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
41e574eb83c73876893146bf0b54e76f

SHA1
e83c45a820ef27554efbbecdaf047c0ca7ae790a

SHA256
ea8fd7cd2fbc65706e4203dbd75c401fcef550ac4bc3c57259a5be9525ac9baa

SHA512
d20e6aaaae64d2250adedc11605c7380dcc510d7ac8e520bbe0201909398c7d531baff731ee8dd1ac603783a1a4f08d37e6e3be2a7bd5f3e612717d0fbf7d59e

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