cfbee6eb6c527d58836ace9163500f781e25647303b2e35df61aca74b44108b7

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05-03-2024 15:13

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General

Target

b5029b04c2ae63dcd3fedf8cd1a40a64.pdf
Size

87KB
MD5

b5029b04c2ae63dcd3fedf8cd1a40a64
SHA1

305e97264a9f3aa72857c04a19d3476846c9b533
SHA256

cfbee6eb6c527d58836ace9163500f781e25647303b2e35df61aca74b44108b7
SHA512

d74d3a1dccf0b9489221ef87042cc03a22471c0c42f6da717cc980eb9f5f941c841c9e2f61196ad6a59b54d73b48844fedc126a34f10d50c68bbf88ba9355cc5
SSDEEP

1536:O1lVqdPKMhOBr6omk9b8IG4wsefSkV4saENCSL8hjoU4W15VhUglPyLCeN3+dk2q:ZhK24r6i4DvfXK2NCSwhsUHbUmPyLCeF

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
844	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe
844	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 1448	844	AcroRd32.exe	91
PID 844 wrote to memory of 1448	844	AcroRd32.exe	91
PID 844 wrote to memory of 1448	844	AcroRd32.exe	91
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 1412	1448	RdrCEF.exe	92
PID 1448 wrote to memory of 636	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 636	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 636	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 636	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 636	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 636	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 636	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 636	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 636	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 636	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 636	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 636	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 636	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 636	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 636	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 636	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 636	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 636	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 636	1448	RdrCEF.exe	93
PID 1448 wrote to memory of 636	1448	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\b5029b04c2ae63dcd3fedf8cd1a40a64.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:844
- 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:1448
- - 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=9AE24E0117E4598CE9711A12F7807D53 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1412
- - 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=D8D86E89FE1F9481EC671558A321588C --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=D8D86E89FE1F9481EC671558A321588C --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:636
- - 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=49E4E689DD0CCF5B10963EAAEABF9C95 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:940
- - 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=5BD944E476F067E311FEC1BA77223178 --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=5BD944E476F067E311FEC1BA77223178 --renderer-client-id=5 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5112
- - 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=2984FAB475425AB0D0510D43604A6238 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1432
- - 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=B783EF270EAA608C432832F38571087F --mojo-platform-channel-handle=2220 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5008

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2168

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
98d4afadb7375573ee7c384ed72c4c63

SHA1
f6e179fb5bffc52c2b14f4fe5decb7aa40ef5588

SHA256
47815b2f3adda278a84a440c08fe8b46b26825e9389521bcd9b9c80409844ef8

SHA512
c5d3a93818e88b6f7f490938765ba5af1f32c90765f1ce5d2c307c1a761b0a25474519f03c736692c696159ed8a180a38820c031362692f54724741094c68595

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