eb2a3ffecba62ce8b8d5b969b48e878ba0436ea5206577026c7d3aeb5786ca78

Analysis

max time kernel
142s
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
19/12/2023, 10:32

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General

Target

078d65428149f2f583d908c3c9359960.pdf
Size

71KB
MD5

078d65428149f2f583d908c3c9359960
SHA1

6410921b7d008ca16569251720eabb66a3863d59
SHA256

eb2a3ffecba62ce8b8d5b969b48e878ba0436ea5206577026c7d3aeb5786ca78
SHA512

78cd6a4e7dee3beef740a3cf25cc7aea16c3a5f24892c29f60c152ab961041684f0c74243334c27cfd7b8c629e781512497975776c0ca1b9d749d8e118e7ac7d
SSDEEP

1536:Y6IykvSlOFDEWBLixwfXeeAPTI09dgZIiX0vGY3KJ:zInvoyEWxQwXE8jXuGRJ

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
992	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 992 wrote to memory of 2284	992	AcroRd32.exe	92
PID 992 wrote to memory of 2284	992	AcroRd32.exe	92
PID 992 wrote to memory of 2284	992	AcroRd32.exe	92
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 2988	2284	RdrCEF.exe	93
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94
PID 2284 wrote to memory of 4764	2284	RdrCEF.exe	94

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\078d65428149f2f583d908c3c9359960.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:992
- 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:2284
- - 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=EA4B0C8B954617D12C76892FCDD90239 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2988
- - 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=73B805077C9F933E3A2348B949C6FC2C --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=73B805077C9F933E3A2348B949C6FC2C --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4764
- - 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=976F44255287367F6ACB3C9BAEB4CD35 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2332
- - 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=848E3B067A505C61A3E9D28792A7AAE8 --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=848E3B067A505C61A3E9D28792A7AAE8 --renderer-client-id=5 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3532
- - 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=A5A55A056FB03D8725B8B51ABE704B1C --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4924
- - 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=162B49D5343799BCA6D34AFD5198144C --mojo-platform-channel-handle=2748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3160

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2124

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
f07943d86a8e47855e85dc875bce3611

SHA1
e5b4967d5ff0576b74779fa98cce52a2ac7c590b

SHA256
c148cbd8dc9e538f92ceb1380d5798211e784c9787621409e4e41be04524a8ee

SHA512
62dee22c027e2c67b555902f9678ab06d0d70b1ef9cd840d781e92ec1dbb539e9c9e0f68fb54578b634189ecac473af32aa2987c6b0ebffb85f38f51f39534f3

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