d3ff7bee7ff59b0cbf415cadfa76416fd6afc93911c6d0b359ac51b7df2c27d0

Analysis

max time kernel
43s
max time network
52s
platform
windows10-1703_x64
resource
win10-20240221-en
resource tags

arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
submitted
12/03/2024, 15:32

Sharing

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General

Target

480e2533.pdf
Size

122KB
MD5

227d121981a3d13751cc89ed127404cc
SHA1

295c1d3ee6e76a042ba321c1097f1f306470610a
SHA256

d3ff7bee7ff59b0cbf415cadfa76416fd6afc93911c6d0b359ac51b7df2c27d0
SHA512

490a9fd777b223f530fb545f01aeb0cb0cdefce6345bb3d519f68ccfecbfdf512c1d39c2b87ef807a619d9760d51b115a6af634956897307436cb0ffd4f8d303
SSDEEP

3072:TC6icVBWAvAWrE5cYm5+mVv/VxmID6xKzfMx4tDl+:7icVBDvAWrulS+mVh6xKzExQl+

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-1-5-21-313240725-3527728709-4038673254-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4732	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4732 wrote to memory of 4368	4732	AcroRd32.exe	72
PID 4732 wrote to memory of 4368	4732	AcroRd32.exe	72
PID 4732 wrote to memory of 4368	4732	AcroRd32.exe	72
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 4580	4368	RdrCEF.exe	73
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74
PID 4368 wrote to memory of 2944	4368	RdrCEF.exe	74

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\480e2533.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:4732
- 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:4368
- - 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=7E3553723FECBDE2E0DA62030613E6D3 --mojo-platform-channel-handle=1628 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4580
- - 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=35C5F198762FE7D74A9524A0818B9968 --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=35C5F198762FE7D74A9524A0818B9968 --renderer-client-id=2 --mojo-platform-channel-handle=1644 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2944
- - 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=F350E0C67F639915E2440DF400C9D93E --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=F350E0C67F639915E2440DF400C9D93E --renderer-client-id=4 --mojo-platform-channel-handle=2208 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2400
- - 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=1F6BAABF031C445FEA4A10F4B14165F1 --mojo-platform-channel-handle=2484 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4956
- - 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=18C23D63AC419570342BA0C94FC1EAE2 --mojo-platform-channel-handle=1784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4836
- - 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=5FA9B55A426441FD9558A8FB21535990 --mojo-platform-channel-handle=2492 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2420

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
668f97886b29cb69fbe8d204fbab944e

SHA1
4765591b984be03bed1160ce8db28aa62ace602e

SHA256
b82e3bac17f1f3ef2ffa31c849dd950733b0ab36be294b443a1c43742efee748

SHA512
75ec234fe0e0e65f803f17f61fe2c42dded1bb17975f98bf0fe997d43ca21d3fadd5cdef157a5a8bfb9fbab2e29d5dd037d2e56abbc6a7ec5b089b22a3a36df4

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