f25767004cb058dc1f9108422798abc262997762c451dc2f645d172c830d38a1

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 05:25

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General

Target

a10db6f69af086f2c060ef05ae729c21.pdf
Size

88KB
MD5

a10db6f69af086f2c060ef05ae729c21
SHA1

e4f2cc41074e70e9e4e1aa2b6c9dbb36aacc3feb
SHA256

f25767004cb058dc1f9108422798abc262997762c451dc2f645d172c830d38a1
SHA512

25288c1da48bd5f0010267d11230ab7196380648ef978de68196ec9de1bddaea272da5d3171d384e2d89f81f3096fd0564b06aaa1041f8124180f0d7b226c0c0
SSDEEP

1536:aerPuicloU0yBfIHvyJky7c/wWmKES1sELHd6EtV9Rv+vlvv1oVi0GQWkNpOPzHB:PPui4oU0XHvyewWm7S1sELHMEKNvONGX

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-1-5-21-1414748551-1520717498-2956787782-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4776	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4776 wrote to memory of 1176	4776	AcroRd32.exe	90
PID 4776 wrote to memory of 1176	4776	AcroRd32.exe	90
PID 4776 wrote to memory of 1176	4776	AcroRd32.exe	90
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 4800	1176	RdrCEF.exe	92
PID 1176 wrote to memory of 1972	1176	RdrCEF.exe	91
PID 1176 wrote to memory of 1972	1176	RdrCEF.exe	91
PID 1176 wrote to memory of 1972	1176	RdrCEF.exe	91
PID 1176 wrote to memory of 1972	1176	RdrCEF.exe	91
PID 1176 wrote to memory of 1972	1176	RdrCEF.exe	91
PID 1176 wrote to memory of 1972	1176	RdrCEF.exe	91
PID 1176 wrote to memory of 1972	1176	RdrCEF.exe	91
PID 1176 wrote to memory of 1972	1176	RdrCEF.exe	91
PID 1176 wrote to memory of 1972	1176	RdrCEF.exe	91
PID 1176 wrote to memory of 1972	1176	RdrCEF.exe	91
PID 1176 wrote to memory of 1972	1176	RdrCEF.exe	91
PID 1176 wrote to memory of 1972	1176	RdrCEF.exe	91
PID 1176 wrote to memory of 1972	1176	RdrCEF.exe	91
PID 1176 wrote to memory of 1972	1176	RdrCEF.exe	91
PID 1176 wrote to memory of 1972	1176	RdrCEF.exe	91
PID 1176 wrote to memory of 1972	1176	RdrCEF.exe	91
PID 1176 wrote to memory of 1972	1176	RdrCEF.exe	91
PID 1176 wrote to memory of 1972	1176	RdrCEF.exe	91

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\a10db6f69af086f2c060ef05ae729c21.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1176
- - 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=5D758B7CD3047305FFC8BE692C5DF571 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1972
- - 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=9E64169D759315F3B9D59EB1AE38240F --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=9E64169D759315F3B9D59EB1AE38240F --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4800
- - 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=6D344A99F06168D788D5DEED662A943D --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=6D344A99F06168D788D5DEED662A943D --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3128
- - 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=03446164C252C7736D416FD1FC8B1204 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3052
- - 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=9D01CD221CFAD4862E2D8E423D2E365B --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3684
- - 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=B46398858381485D5516AFDF5164E1A4 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4324

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
648142c61a1cb76854f5bdf440be24f6

SHA1
b1534e19b5ffae9e8c2148e472d44c1dfceb84f6

SHA256
f09bee8f90f19118cb46802af0a5882f931587d3283b2cbba9832c77ec725ac4

SHA512
e29dd07eb2949ea7247b6690f0a052eae248a7ab20fec4da88bb356fdeed8f33e2121de167b5fea5c87c4aecd0f84c600b265bcf2ccb74a4f69408831a81f0f4

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