069b5b3a22a670d161cb81d42f61e6643dfdcd5f76d8bcbf213babd982a57db9

Analysis

max time kernel
143s
max time network
159s
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, 14:56

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General

Target
d00fd8e04ad85c0c5a406184a72484a0.pdf
Size 41KB
Sample231222-sa685aedhr
SHA256 069b5b3a22a670d161cb81d42f61e6643dfdcd5f76d8bcbf213babd982a57db9
MD5 d00fd8e04ad85c0c5a406184a72484a0
SHA1 d353c78bf7305c905fca20e76ac658e3485e8693
SHA512 4de5525d77728331bea2586aaa235254e5bf91157c49258bf598be2e33f9c3be027975ae22b11b74d621c0b04e2190794aae81c85262b447d32a7b5d3186fde3
SSDEEP 768:cBH0DM49BsOsy22GqdQLDaKTQw7vUgGlz51p4PuzQ/pjvF/iq6I:2UD3oOsp2GUfP46uNF/iq6I
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3188	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe
3188	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3188 wrote to memory of 4772	3188	AcroRd32.exe	88
PID 3188 wrote to memory of 4772	3188	AcroRd32.exe	88
PID 3188 wrote to memory of 4772	3188	AcroRd32.exe	88
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 4252	4772	RdrCEF.exe	89
PID 4772 wrote to memory of 1292	4772	RdrCEF.exe	90
PID 4772 wrote to memory of 1292	4772	RdrCEF.exe	90
PID 4772 wrote to memory of 1292	4772	RdrCEF.exe	90
PID 4772 wrote to memory of 1292	4772	RdrCEF.exe	90
PID 4772 wrote to memory of 1292	4772	RdrCEF.exe	90
PID 4772 wrote to memory of 1292	4772	RdrCEF.exe	90
PID 4772 wrote to memory of 1292	4772	RdrCEF.exe	90
PID 4772 wrote to memory of 1292	4772	RdrCEF.exe	90
PID 4772 wrote to memory of 1292	4772	RdrCEF.exe	90
PID 4772 wrote to memory of 1292	4772	RdrCEF.exe	90
PID 4772 wrote to memory of 1292	4772	RdrCEF.exe	90
PID 4772 wrote to memory of 1292	4772	RdrCEF.exe	90
PID 4772 wrote to memory of 1292	4772	RdrCEF.exe	90
PID 4772 wrote to memory of 1292	4772	RdrCEF.exe	90
PID 4772 wrote to memory of 1292	4772	RdrCEF.exe	90
PID 4772 wrote to memory of 1292	4772	RdrCEF.exe	90
PID 4772 wrote to memory of 1292	4772	RdrCEF.exe	90
PID 4772 wrote to memory of 1292	4772	RdrCEF.exe	90

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\d00fd8e04ad85c0c5a406184a72484a0.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:3188
- 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:4772
- - 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=C6839F8B466D219BA8AE6DB48032BC40 --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=C6839F8B466D219BA8AE6DB48032BC40 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4252
- - 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=3A1DCBD06E9F5E0F4DD418F528E0C0BB --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1292
- - 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=0AC9F56749B0F3ACAE9FEAA71CD8C8B5 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4212
- - 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=BFA72BAB59AECF500436E1E9F355057D --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=BFA72BAB59AECF500436E1E9F355057D --renderer-client-id=5 --mojo-platform-channel-handle=2116 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3132
- - 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=AC1A334D0E66D441419C2845F2C18627 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:572
- - 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=AFAF1422A11A326483837B66D81C7A79 --mojo-platform-channel-handle=2772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2160

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 26KB
SHA256 d3b95620861369f214042c54d09ecf4dc83fa58028076edd2c81fa56b0a8fe08
MD5 a9d98ae87a2211bb700f5b7bf56bfa52
SHA1 9c0d876b8cbe89add3d3527c2888b3e44d635dfe
SHA512 68c66d891f019df24df7278a1bccd6ac8f30005ebfd6e0831f2c2ac76ec6728d3ac39507039def9610eab66a9e2534b0764233bc688ccb77ee56ee1e86961a58
SSDEEP 96:N49IVXEBodRBkag+IVN9MAdxh8U84nCr84nt77OhFVCPdtELuS8:yedRBXg9VrThe4p45htELJ8
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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