f6ab555f95184408911adf8dbe1d98c2f1e34b13937640e8ceec403fd5579870

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 13:51

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General

Target

af8df883e474d7673a6c7b0afa2713ee.pdf
Size

73KB
MD5

af8df883e474d7673a6c7b0afa2713ee
SHA1

5375a28ccd24bfaba56ee8a7c09f7364463306b6
SHA256

f6ab555f95184408911adf8dbe1d98c2f1e34b13937640e8ceec403fd5579870
SHA512

5e5d425f69f4269efd0ab6896b7cf0e9af87a4a2a2b0d0d52f55fdbbc2d56e1dfc3a62b92ad02bd606f6ca70446da1a2b3b9d61c07630e4c8ac2b8bc96e52a11
SSDEEP

1536:oR+V+4A9RVDctOePVqLfgxrvcFObRvPZOdixRIoOxZLOaGxpEHcU:yF4AD6tOePQYrUAfO7oMYHnEz

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
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4828	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 4676	4828	AcroRd32.exe	96
PID 4828 wrote to memory of 4676	4828	AcroRd32.exe	96
PID 4828 wrote to memory of 4676	4828	AcroRd32.exe	96
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 3236	4676	RdrCEF.exe	97
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98
PID 4676 wrote to memory of 5072	4676	RdrCEF.exe	98

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\af8df883e474d7673a6c7b0afa2713ee.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:4828
- 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:4676
- - 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=FAA7C2EFEB673B2F3DDC29DAECF8B1D5 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3236
- - 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=8EEED219435F46FDFEC63937EBCE2A1F --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=8EEED219435F46FDFEC63937EBCE2A1F --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5072
- - 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=AEA2236B476506A720809E162F7CC1C9 --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=AEA2236B476506A720809E162F7CC1C9 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2836
- - 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=1089930DB8F8234F25B65F9869B6F262 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1128
- - 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=A849703BBF1B925614274EBAB3FE47DE --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1836
- - 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=E49251D147C9EF883619556B22F37419 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4252

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
fdb665237b056fe07dd614453d9fe6ff

SHA1
d5fab164936d2ef859c5c7a813ff038f9677c584

SHA256
aa0db01c41cae653ee3cbc54985c4bba8339d7094a765d441fa1ff732b035755

SHA512
296c1b254574c401fe3838217adb3f2f7cadf936279acfd10accda216d8cc51effb86caefe399d4fce5691a8bec9bcf2b7e9b90c64df41ec7dd5cf9775b557ea

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
memory/4828-28-0x000000000BF70000-0x000000000BF91000-memory.dmp

Filesize
132KB

Download