a7736387d108e65e021255b724be84bfaa23836c7e2e754f7a3c9bb5588fec65

Analysis

max time kernel
142s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12/02/2024, 22:47

Sharing

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General

Target

97cea4c33cf58bfcb7650cab6264dad3.pdf
Size

43KB
MD5

97cea4c33cf58bfcb7650cab6264dad3
SHA1

109036307fed52dbdca9284fa260fcdb965ee21b
SHA256

a7736387d108e65e021255b724be84bfaa23836c7e2e754f7a3c9bb5588fec65
SHA512

2478c960bf3d169816f1c8cbb5011c60de3c0123b6db2ea0ae1fc6a2841913c30babf02eb4ecba96a8a9125828e6486cfbf56e2d2d7a53287542f341b6d57f4f
SSDEEP

768:sniAoq/gZsRzqZhJ/FMP9dZTRG/S9uM7WnJa/EMbbP+t5NotV:uiw61FM1dFhuMj/EPzNotV

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
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3720	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3720 wrote to memory of 1368	3720	AcroRd32.exe	84
PID 3720 wrote to memory of 1368	3720	AcroRd32.exe	84
PID 3720 wrote to memory of 1368	3720	AcroRd32.exe	84
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 3164	1368	RdrCEF.exe	85
PID 1368 wrote to memory of 5092	1368	RdrCEF.exe	86
PID 1368 wrote to memory of 5092	1368	RdrCEF.exe	86
PID 1368 wrote to memory of 5092	1368	RdrCEF.exe	86
PID 1368 wrote to memory of 5092	1368	RdrCEF.exe	86
PID 1368 wrote to memory of 5092	1368	RdrCEF.exe	86
PID 1368 wrote to memory of 5092	1368	RdrCEF.exe	86
PID 1368 wrote to memory of 5092	1368	RdrCEF.exe	86
PID 1368 wrote to memory of 5092	1368	RdrCEF.exe	86
PID 1368 wrote to memory of 5092	1368	RdrCEF.exe	86
PID 1368 wrote to memory of 5092	1368	RdrCEF.exe	86
PID 1368 wrote to memory of 5092	1368	RdrCEF.exe	86
PID 1368 wrote to memory of 5092	1368	RdrCEF.exe	86
PID 1368 wrote to memory of 5092	1368	RdrCEF.exe	86
PID 1368 wrote to memory of 5092	1368	RdrCEF.exe	86
PID 1368 wrote to memory of 5092	1368	RdrCEF.exe	86
PID 1368 wrote to memory of 5092	1368	RdrCEF.exe	86
PID 1368 wrote to memory of 5092	1368	RdrCEF.exe	86
PID 1368 wrote to memory of 5092	1368	RdrCEF.exe	86
PID 1368 wrote to memory of 5092	1368	RdrCEF.exe	86
PID 1368 wrote to memory of 5092	1368	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\97cea4c33cf58bfcb7650cab6264dad3.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:3720
- 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:1368
- - 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=FCEC19D7CAA426D77FF7F1F49F5992D7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3164
- - 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=55B0246A952EE5020FC5E8C46133240C --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=55B0246A952EE5020FC5E8C46133240C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5092
- - 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=2A021790A42B4E9619E906A398E38020 --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=2A021790A42B4E9619E906A398E38020 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1796
- - 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=99FA98F21B1C5FBAF39B692CB4B1DA16 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4768
- - 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=A6097270E6DA191B0BB6BE08DC0B4C67 --mojo-platform-channel-handle=2604 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4404
- - 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=8A23F3AEE44378764100250097516967 --mojo-platform-channel-handle=2484 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1552

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
c653ba71a1c46f2cbc5db02ca83ed82e

SHA1
06527eb515c7582db98ef3feeb4b0237914b83b2

SHA256
b44469ab9d2f56421404ad898180fa1f79566ce6e526b34f09323cd0c4ed39d4

SHA512
5b75741466b8309b1c541fe6a36f1d435dbdb3a2527b4307a6359d4e0899198ad5bce966b95a9bc5c27f9078cc1a2694e3706932ccc4ec82817d81e789c08e8b

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/3720-28-0x0000000009290000-0x00000000092B1000-memory.dmp

Filesize
132KB

Download