01b842e20c945c2c3ce59f9e4b05fe7db4518253c62084a1c656b1d2785a5a24

Analysis

max time kernel
141s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
16-03-2024 11:48

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General

Target

cdfd16888a7223f14298ee00d9e23e76.pdf
Size

94KB
MD5

cdfd16888a7223f14298ee00d9e23e76
SHA1

93b7dff4f2232094f647d7e463883e0b2813a3c1
SHA256

01b842e20c945c2c3ce59f9e4b05fe7db4518253c62084a1c656b1d2785a5a24
SHA512

4a8b851250b30369b26b8c2dada4383a033095c9fb11869352985ecaa7fc4990fc12860a5ad96bf5cf129647367c94b227c6c139042df2b525487ad0d71b8ab5
SSDEEP

1536:FfPj8Sq68Y8JYASnFtEOQHdoYhId/e0Jrkl0dWoNNi9GB7SyaYGNg5IZ+lH8/H4h:J8g8Y8JYASnFtoHKYhIZe0JrS0N6inaA

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4244	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4244 wrote to memory of 5068	4244	AcroRd32.exe	84
PID 4244 wrote to memory of 5068	4244	AcroRd32.exe	84
PID 4244 wrote to memory of 5068	4244	AcroRd32.exe	84
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 5032	5068	RdrCEF.exe	85
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86
PID 5068 wrote to memory of 624	5068	RdrCEF.exe	86

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\cdfd16888a7223f14298ee00d9e23e76.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:4244
- 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:5068
- - 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=1799756C3AE6A9834322F4FC0444AD12 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5032
- - 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=6325F4919F4D7B976E7615A87710643A --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=6325F4919F4D7B976E7615A87710643A --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:624
- - 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=F37B9756BF9CA195D74808F989065C80 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3844
- - 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=9C0F8A22D4517ECA25A00B00FAEE3B08 --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=9C0F8A22D4517ECA25A00B00FAEE3B08 --renderer-client-id=5 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2952
- - 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=282E00F9FF808554FB9138FE7A8F3596 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1728
- - 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=635E90AF0C88B108170F1D635BBCE5E5 --mojo-platform-channel-handle=2380 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3296

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
2b0cf2b56eaefdd0544a785d767b2a9e

SHA1
ff24963795b27f12e296ee5b73d07cf560781044

SHA256
f2a6450a8cc346f21d69dca6ebb37986c8764f2057ce3ae7df3203c73383769c

SHA512
4f23750d1dfa7f02e399697b3727bc2a2f9d02906af8627346e9118ebabf129a6639b677edebafc8985e11f3407ebb5853c5208350d25c23a338a84e2ff900ff

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
memory/4244-26-0x000000000BD60000-0x000000000BDB0000-memory.dmp

Filesize
320KB

Download