9d2a9a6cc362bfbf27e16cf09086e0746f245e42928304c96517d55ad3a78bef

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18-01-2024 02:14

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General

Target

6436f31be853ae5fa1c5566bdbefa18b.pdf
Size

84KB
MD5

6436f31be853ae5fa1c5566bdbefa18b
SHA1

9c48d078770eacbd8028b57be9af832a0fc6d36e
SHA256

9d2a9a6cc362bfbf27e16cf09086e0746f245e42928304c96517d55ad3a78bef
SHA512

7a2fb4f518091b61dc5564b192299f4ddb09ea357e1940c26b6353e50d3b3172008a1f3767010cd4294d068ac23c075aa94df795fed2223129b8c1384661f6b2
SSDEEP

1536:3CFOJCLcslIZpuWuMJgr7+xSctTfTFAK47l6IqkWYy6JG1K3SvLWQpOCAwy:S7lIpcMJgTctThY7s6A1KCv2Cs

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5032	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 1064	5032	AcroRd32.exe	92
PID 5032 wrote to memory of 1064	5032	AcroRd32.exe	92
PID 5032 wrote to memory of 1064	5032	AcroRd32.exe	92
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 3928	1064	RdrCEF.exe	94
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95
PID 1064 wrote to memory of 1120	1064	RdrCEF.exe	95

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\6436f31be853ae5fa1c5566bdbefa18b.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1064
- - 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=6831ACFC378D9119B8264AC2B01E57AE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3928
- - 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=E1B5FEE2FC8A199708178F28EFF9227F --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=E1B5FEE2FC8A199708178F28EFF9227F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1120
- - 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=18DF9D95552ED742333B8755749F819B --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=18DF9D95552ED742333B8755749F819B --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5052
- - 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=097E0F2530C7DDAB66357FB21351829B --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1904
- - 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=02557E51E95647C5D580D54A86BF4F30 --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4776
- - 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=778584351049030A723707969439AAD2 --mojo-platform-channel-handle=2712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:640

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2404

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
47be967820f2afb339b91331e2a93f48

SHA1
8c7df67138d07138bafc23f9025920480e2e0c28

SHA256
e3b8eb53641b43ac7baf9d2d8c4929b1c90c999f66d5d60441c2e647b32572b4

SHA512
fad8305150a3cc029d4936c9e1256d32f44a6d69ca63f60d40cb88de62b8acefa646e8921287184f681c1460ede5539a6514b0dc249b73514b0f818dece7e86f

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