068066daa3fec52c0a5a35e8921f58d013453deb5a1fd09858ec22f20c543096

Analysis

max time kernel
148s
max time network
156s
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, 12:12

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General

Target
971fe6e4686581c5e121775c74eb08f4.pdf
Size 3KB
Sample240212-pdgk4aef34
SHA256 068066daa3fec52c0a5a35e8921f58d013453deb5a1fd09858ec22f20c543096
MD5 971fe6e4686581c5e121775c74eb08f4
SHA1 041ceabea020bbfc926aaa1514939a5984538718
SHA512 ce567b5f97514b9c592a6af219484cb4a4e0541058608dbad94955f3ae0609bbb2b74eaaa574b5d997f89d4782edf435492d4a3ca17e8381eb8201d81e0e5d42
MD5 SHA1 SHA512

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
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
232	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe
232	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 232 wrote to memory of 3196	232	AcroRd32.exe	84
PID 232 wrote to memory of 3196	232	AcroRd32.exe	84
PID 232 wrote to memory of 3196	232	AcroRd32.exe	84
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4308	3196	RdrCEF.exe	85
PID 3196 wrote to memory of 4304	3196	RdrCEF.exe	86
PID 3196 wrote to memory of 4304	3196	RdrCEF.exe	86
PID 3196 wrote to memory of 4304	3196	RdrCEF.exe	86
PID 3196 wrote to memory of 4304	3196	RdrCEF.exe	86
PID 3196 wrote to memory of 4304	3196	RdrCEF.exe	86
PID 3196 wrote to memory of 4304	3196	RdrCEF.exe	86
PID 3196 wrote to memory of 4304	3196	RdrCEF.exe	86
PID 3196 wrote to memory of 4304	3196	RdrCEF.exe	86
PID 3196 wrote to memory of 4304	3196	RdrCEF.exe	86
PID 3196 wrote to memory of 4304	3196	RdrCEF.exe	86
PID 3196 wrote to memory of 4304	3196	RdrCEF.exe	86
PID 3196 wrote to memory of 4304	3196	RdrCEF.exe	86
PID 3196 wrote to memory of 4304	3196	RdrCEF.exe	86
PID 3196 wrote to memory of 4304	3196	RdrCEF.exe	86
PID 3196 wrote to memory of 4304	3196	RdrCEF.exe	86
PID 3196 wrote to memory of 4304	3196	RdrCEF.exe	86
PID 3196 wrote to memory of 4304	3196	RdrCEF.exe	86
PID 3196 wrote to memory of 4304	3196	RdrCEF.exe	86
PID 3196 wrote to memory of 4304	3196	RdrCEF.exe	86
PID 3196 wrote to memory of 4304	3196	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\971fe6e4686581c5e121775c74eb08f4.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:232
- 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:3196
- - 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=24CE3626D83F26E062348D44709A66A6 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4308
- - 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=A7328D284D7360E54D45C1DB765F1C53 --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=A7328D284D7360E54D45C1DB765F1C53 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4304
- - 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=AB5095D1414E898C8AF4193353AB2A5F --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=AB5095D1414E898C8AF4193353AB2A5F --renderer-client-id=4 --mojo-platform-channel-handle=2304 --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=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=68B2A86841D4A6220F7940A0602FA88B --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3424
- - 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=9D5CFC8A80828DB47F562323C8847098 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3648
- - 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=60CB58771C2C0EB3E974C51AB0FF157B --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1896

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2976

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 9bf169b35bad2892ab6c91a6160dd562577a0e931ee85bb75e3bf1f7d6d237a6
MD5 934983de7f2179013191692c549107b6
SHA1 9085ad54edff4b7722a1d7d8b561abd1118fe40d
SHA512 6928ca310c7faef80b235898a382edea5c5ff6e608287ed596b62ec49d0c22eb599b2b255c14105d3dab7e78b5433b82ed15acc83a8c08b75f0113216aa94210
SSDEEP 384:ye6dThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:x+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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