a180e7b376c7c64569aecbe87f0fd65361e5fc011c4f4ea7c29e497972054076

Analysis

max time kernel
149s
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
30-12-2023 07:09

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General

Target

11cd65f63a154e076d202dd9c88567c7.pdf
Size

44KB
MD5

11cd65f63a154e076d202dd9c88567c7
SHA1

392f551f2a8d33c6e6f529ea745cb8dcda6b21b6
SHA256

a180e7b376c7c64569aecbe87f0fd65361e5fc011c4f4ea7c29e497972054076
SHA512

0a1d58ac93e9f51fe135c6998a73d0afbfc68573255f4b227e10d65860d7e56140255fbb75b351df7167b792dbbed163aaee429b9702c33aa3a20092051a8262
SSDEEP

768:PeJGDfe7V9O1k4ir/w0qczmUAPcBaKVcXVw1BrX0NZzz4lSf9:be7CA/gczeevVcm1BT0NZzz4U9

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
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4372	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4372 wrote to memory of 1644	4372	AcroRd32.exe	91
PID 4372 wrote to memory of 1644	4372	AcroRd32.exe	91
PID 4372 wrote to memory of 1644	4372	AcroRd32.exe	91
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1884	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 1316	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 1316	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 1316	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 1316	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 1316	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 1316	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 1316	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 1316	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 1316	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 1316	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 1316	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 1316	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 1316	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 1316	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 1316	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 1316	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 1316	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 1316	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 1316	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 1316	1644	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\11cd65f63a154e076d202dd9c88567c7.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:4372
- 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:1644
- - 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=A8223F21FC6CE2E4D8CB107BD20EE7DB --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1884
- - 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=6AFA5020A3B9AB706F719FEA6C92AA12 --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=6AFA5020A3B9AB706F719FEA6C92AA12 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1316
- - 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=94187F28BA962DB4473F0CF6C6AECF3D --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=94187F28BA962DB4473F0CF6C6AECF3D --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4356
- - 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=60691E65B1E625B5BEECD7FEA83FEEA5 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4564
- - 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=CB131DAC14CB1E9CE620B842A2E7040D --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3740
- - 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=9FE95FF96C6504F67F6E12155A72B413 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3276

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:752

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
c1d06aa4e075b65f801ce81e1ebd4b19

SHA1
90d6fe2320d5967569947488064d85fb5bb87e9f

SHA256
78c0c9fc3c9fcf862c7bdf2c0ba719f35cf8f959154003f5169ccd9118eff890

SHA512
272833b75ca6548d3ce647f230d27f24dfa189280a6aa868f1f8bd41f556d2b63aa94da9e71d2856e0444f1c4221aba41a52b548d2795a2d8daa9c4055b4b1f8

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