448b25a3c43fd0361fee4eb1a95334f86e5ef83399e6231b50d2c8513d76d3bc

Analysis

max time kernel
140s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
15-05-2023 12:00

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General

Target

CAD-34592.pdf
Size

14KB
MD5

f11edb8131bde93ed8befae389e03c9f
SHA1

ab0d52cae220856a218735e22ca2757818cbcb46
SHA256

448b25a3c43fd0361fee4eb1a95334f86e5ef83399e6231b50d2c8513d76d3bc
SHA512

b2af6ab58e9788f982686408ac8dd2c451c7a152cfa81f56ba419b048a9a4b37f38b68c8489e84716e73c58d7799b83f5b2dc810e3179da8c4ae99db9e55ddfe
SSDEEP

384:yvML0/LEwjj8OmWhNo9Lz6N9PNsK/7S1jO+FNntNgWv05ugrDm307o:y0Iowf8OVeBuHF3/uVTMh5zW

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-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2036	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe
2036	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2104	2036	AcroRd32.exe	84
PID 2036 wrote to memory of 2104	2036	AcroRd32.exe	84
PID 2036 wrote to memory of 2104	2036	AcroRd32.exe	84
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2104 wrote to memory of 3540	2104	RdrCEF.exe	85
PID 2036 wrote to memory of 4632	2036	AcroRd32.exe	86
PID 2036 wrote to memory of 4632	2036	AcroRd32.exe	86
PID 2036 wrote to memory of 4632	2036	AcroRd32.exe	86
PID 2104 wrote to memory of 4028	2104	RdrCEF.exe	87
PID 2104 wrote to memory of 4028	2104	RdrCEF.exe	87
PID 2104 wrote to memory of 4028	2104	RdrCEF.exe	87
PID 2104 wrote to memory of 4028	2104	RdrCEF.exe	87
PID 2104 wrote to memory of 4028	2104	RdrCEF.exe	87
PID 2104 wrote to memory of 4028	2104	RdrCEF.exe	87
PID 2104 wrote to memory of 4028	2104	RdrCEF.exe	87
PID 2104 wrote to memory of 4028	2104	RdrCEF.exe	87
PID 2104 wrote to memory of 4028	2104	RdrCEF.exe	87
PID 2104 wrote to memory of 4028	2104	RdrCEF.exe	87
PID 2104 wrote to memory of 4028	2104	RdrCEF.exe	87
PID 2104 wrote to memory of 4028	2104	RdrCEF.exe	87
PID 2104 wrote to memory of 4028	2104	RdrCEF.exe	87
PID 2104 wrote to memory of 4028	2104	RdrCEF.exe	87
PID 2104 wrote to memory of 4028	2104	RdrCEF.exe	87
PID 2104 wrote to memory of 4028	2104	RdrCEF.exe	87
PID 2104 wrote to memory of 4028	2104	RdrCEF.exe	87

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\CAD-34592.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:2036
- 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:2104
- - 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=E80FA0110011C2C26F5C0C1822031233 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3540
- - 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=F4192E533606ABA923064269E02CB51E --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=F4192E533606ABA923064269E02CB51E --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4028
- - 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=F70AA6F62F42EB4F5B128B4F98A800A5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2212
- - 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=17EFB7EDD1EEC273DBFF8C0EDC31C5AF --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4672
- - 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=FB41AC205C770DBADA747635A3BE27C7 --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=FB41AC205C770DBADA747635A3BE27C7 --renderer-client-id=6 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:432
- - 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=6BC4B7B0E6FED742CB951117C24C37EC --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1148
- 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:4632

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4780

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
1fcef5e2293ff6fc94f2a17a618d9e13

SHA1
d24e803aab58153ba72a9de1922681f17464c9db

SHA256
d45f6af7107755b31d98e51f4814126813adec5c1804f499c2a34c9e9eaa0c85

SHA512
97471a308dbc878a81cce5a146b1ff969a7c0d6b97247d81f30e260ab8ea5c02f025f61d8bfcdefc19432eb0b9c9176fe0107db363cf8d1a19be7fa8c6eeda23

Download Submit