afd9a733b96e5355df667317a3c1bcfb34e5d08196b4ca0da03eac3738f57b11

Analysis

max time kernel
590s
max time network
582s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
12-04-2023 19:01

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General

Target

1435567.pdf
Size

49KB
MD5

edb900bea5ec3d0918abe224c4152359
SHA1

bece8861d3eefd84fdcf5cbb7d2dca485ea4f118
SHA256

afd9a733b96e5355df667317a3c1bcfb34e5d08196b4ca0da03eac3738f57b11
SHA512

9241070b047d5fae9ab6e81e6a77b375990f4b71930fef1641b758195eaaf3f9d4c5cdb25f31410d788b89d65950233e59f3ad2c3741d8e4ea69725cd4dce9ec
SSDEEP

768:fZOX2OXD09T2TYy+f5zzsj0FVnbj8x5NQi0Zvw2SAeaqP:O3s6TKzz86nGF0Zo2SlP

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-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1700	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe
1700	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 2892	1700	AcroRd32.exe	85
PID 1700 wrote to memory of 2892	1700	AcroRd32.exe	85
PID 1700 wrote to memory of 2892	1700	AcroRd32.exe	85
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 892	2892	RdrCEF.exe	87
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88
PID 2892 wrote to memory of 2072	2892	RdrCEF.exe	88

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\1435567.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:1700
- 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:2892
- - 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=39E47765B6B156674846D8C61C08F7AC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:892
- - 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=160DD87734E3FEA8152B49579F9FA1B7 --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=2 --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=160DD87734E3FEA8152B49579F9FA1B7 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2072
- - 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=D471CBB54BAE570CEABF03E2FF3A9E06 --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=2 --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=D471CBB54BAE570CEABF03E2FF3A9E06 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3592
- - 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=8AF167142D27B034F3B89C04E5FB7B75 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1748
- - 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=FC95BA90B1F4E0B6E524EAA714898A69 --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3512
- - 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=03C4236386B1F1BBD10CFB064760B98E --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1540

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1224

Network

MITRE ATT&CK Enterprise v6

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
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
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
dd44a514f1a1104d8b72ac23dc09f467

SHA1
ee3553cb0f12152928b6f947ae3ee346e5510e82

SHA256
886e61f874f9ba06fe89d8cb966bbeb15027eaef2e9c43023b871a515ac6ec97

SHA512
65cdbfc7cddf3f07948ae77549b8aaaca789f4161e3b821c1768a56f6cd3b7fb149ae9a0cc3e39780f94206cd30765c2ee7db3470e8195b5d7109a531e747968

Download Submit