28de0571a17e44dc24073eb2f5ae197e2921cc53c96b9a8e9420e53b57e0b2cc

Analysis

max time kernel
144s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 14:52

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General

Target

cdde7fc121bfdd8b4a864c6c2883e955.pdf
Size

64KB
MD5

cdde7fc121bfdd8b4a864c6c2883e955
SHA1

dbc2822d7e73af668453e6491dfe8a7724368bdd
SHA256

28de0571a17e44dc24073eb2f5ae197e2921cc53c96b9a8e9420e53b57e0b2cc
SHA512

eae13246669118ac4e50b12902a2a644ad76b551994fcee9be8d772f10ef9f76079a119da1e9717a3aec7ce26188ab60dc306c0aff1210db151507b18ac95e52
SSDEEP

1536:fQGmtGIqjlxtvWByujZ0Q0tSa1biyp5BU8Bv0EO8xCY:ovBqjn5/ZbiyHBz0EO8D

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3576	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 3136	3576	AcroRd32.exe	92
PID 3576 wrote to memory of 3136	3576	AcroRd32.exe	92
PID 3576 wrote to memory of 3136	3576	AcroRd32.exe	92
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 4792	3136	RdrCEF.exe	93
PID 3136 wrote to memory of 3812	3136	RdrCEF.exe	94
PID 3136 wrote to memory of 3812	3136	RdrCEF.exe	94
PID 3136 wrote to memory of 3812	3136	RdrCEF.exe	94
PID 3136 wrote to memory of 3812	3136	RdrCEF.exe	94
PID 3136 wrote to memory of 3812	3136	RdrCEF.exe	94
PID 3136 wrote to memory of 3812	3136	RdrCEF.exe	94
PID 3136 wrote to memory of 3812	3136	RdrCEF.exe	94
PID 3136 wrote to memory of 3812	3136	RdrCEF.exe	94
PID 3136 wrote to memory of 3812	3136	RdrCEF.exe	94
PID 3136 wrote to memory of 3812	3136	RdrCEF.exe	94
PID 3136 wrote to memory of 3812	3136	RdrCEF.exe	94
PID 3136 wrote to memory of 3812	3136	RdrCEF.exe	94
PID 3136 wrote to memory of 3812	3136	RdrCEF.exe	94
PID 3136 wrote to memory of 3812	3136	RdrCEF.exe	94
PID 3136 wrote to memory of 3812	3136	RdrCEF.exe	94
PID 3136 wrote to memory of 3812	3136	RdrCEF.exe	94
PID 3136 wrote to memory of 3812	3136	RdrCEF.exe	94
PID 3136 wrote to memory of 3812	3136	RdrCEF.exe	94
PID 3136 wrote to memory of 3812	3136	RdrCEF.exe	94
PID 3136 wrote to memory of 3812	3136	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\cdde7fc121bfdd8b4a864c6c2883e955.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:3576
- 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:3136
- - 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=69E6426EEC60ACE79E7E4E0EC46E7563 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4792
- - 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=5D2DB77FD1296244BC43875083A96394 --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=5D2DB77FD1296244BC43875083A96394 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3812
- - 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=DE7E364D5A47039DC21C7C7E35873C21 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2688
- - 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=82A42D3036709EF672DF06E919FE3B81 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4836
- - 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=B23C1553EBCED6AD2C8B2A3E54515616 --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=B23C1553EBCED6AD2C8B2A3E54515616 --renderer-client-id=6 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4024
- - 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=7FD160E824B1791D38D8279704480BE6 --mojo-platform-channel-handle=2752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1764

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
b221e12bc138ac63744376e1064766cd

SHA1
b361fee0152fb5af1e7ab19c433ffc6e1871cea9

SHA256
db64ef2d9d0f515fea3cac89de06f915ec0ec7923a279858ff8c87e1a6bdd0e3

SHA512
8d1d3d13e08f978256d49573b44296d6b4d54f6fb1fcf55113a9a49f79ea36fee159fba13f8e419f2f8783c6d1e163585b884409222576c9c744947b32721cf8

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