580916ebe1e22789779562e01efa42a6d921b065e9b661521f19ad42988304af

Analysis

max time kernel
156s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12-01-2024 06:16

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General

Target

55b49253ac96b9bf2d2553e6097a289a.pdf
Size

88KB
MD5

55b49253ac96b9bf2d2553e6097a289a
SHA1

3f1854d831c3c37760add1a1f61d7bff96891661
SHA256

580916ebe1e22789779562e01efa42a6d921b065e9b661521f19ad42988304af
SHA512

e28573c7ded61a47a12550eacd9f7bddf37f3464d8195d43a2dfbfca76c19a9138d04feb2584eb9a69cff467aa6a3e49e3a7a8073cd9ed018d38a0de1d54ffb2
SSDEEP

1536:1mXr+uRiIWbgxowm+UWIOK5q92Bx53NT/yoYWSxGu6E7025sWapOtQWn2C9h:uf8IUgbzXK5qovlaoSbb5dtQg2s

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1688	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe
1688	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 3440	1688	AcroRd32.exe	91
PID 1688 wrote to memory of 3440	1688	AcroRd32.exe	91
PID 1688 wrote to memory of 3440	1688	AcroRd32.exe	91
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 2712	3440	RdrCEF.exe	92
PID 3440 wrote to memory of 3764	3440	RdrCEF.exe	93
PID 3440 wrote to memory of 3764	3440	RdrCEF.exe	93
PID 3440 wrote to memory of 3764	3440	RdrCEF.exe	93
PID 3440 wrote to memory of 3764	3440	RdrCEF.exe	93
PID 3440 wrote to memory of 3764	3440	RdrCEF.exe	93
PID 3440 wrote to memory of 3764	3440	RdrCEF.exe	93
PID 3440 wrote to memory of 3764	3440	RdrCEF.exe	93
PID 3440 wrote to memory of 3764	3440	RdrCEF.exe	93
PID 3440 wrote to memory of 3764	3440	RdrCEF.exe	93
PID 3440 wrote to memory of 3764	3440	RdrCEF.exe	93
PID 3440 wrote to memory of 3764	3440	RdrCEF.exe	93
PID 3440 wrote to memory of 3764	3440	RdrCEF.exe	93
PID 3440 wrote to memory of 3764	3440	RdrCEF.exe	93
PID 3440 wrote to memory of 3764	3440	RdrCEF.exe	93
PID 3440 wrote to memory of 3764	3440	RdrCEF.exe	93
PID 3440 wrote to memory of 3764	3440	RdrCEF.exe	93
PID 3440 wrote to memory of 3764	3440	RdrCEF.exe	93
PID 3440 wrote to memory of 3764	3440	RdrCEF.exe	93

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\55b49253ac96b9bf2d2553e6097a289a.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:1688
- 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:3440
- - 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=C7C649913B19883E6CAE1B3F8DC2A664 --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=C7C649913B19883E6CAE1B3F8DC2A664 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2712
- - 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=9E95862B48B3EF113E0245ED48922A2F --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3764
- - 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=1303420E1DADFE34F00475D90AA5C6CC --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=1303420E1DADFE34F00475D90AA5C6CC --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:880
- - 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=151ADD39DF38E854067678B710432100 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2844
- - 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=AAEBF3439970C46E33E15CE73814932C --mojo-platform-channel-handle=1900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3216
- - 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=757A8B42138C5589A67E897252443E50 --mojo-platform-channel-handle=2060 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2628

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5096

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
efe6b0c68c9ecf7a8dd5e509fd500eff

SHA1
08b9925ad2ad9cb169ee99dd2bcfa007618b7fa9

SHA256
44e8a34b0f1db9935bcab3b5eacdd5a5740bf0b47d69d1c95b54a230b577d96d

SHA512
5e3f17bb60a0ce0f56ad787adf08e6deba145ab279cf052fe8b5072d8b542d2eb86434ff9e02a3a2fd27fab3b346835508df19780fa65314cb17ede1662ca199

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