80ba56d16bfc7650b54a3da78c32fde46b5227b2108bcf0cc33152656ea302eb

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2024 18:42

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General

Target

4428e25a2797bd13afb82eb0b7fe856a.pdf
Size

86KB
MD5

4428e25a2797bd13afb82eb0b7fe856a
SHA1

756d91ef8426cd94c2d1078ee5be34216bd9c845
SHA256

80ba56d16bfc7650b54a3da78c32fde46b5227b2108bcf0cc33152656ea302eb
SHA512

d14e239553cea7eb9617053f747114a8a18d7a12158b3ca16ff5827b6127fe766b99ba05a7c3c986aedc369f91cb8bf3195f09bfe71f211c50018b5733543b64
SSDEEP

1536:xNKHZV1x4/VrcDzxIUzeFvEuByhUfTNBlaPzlwoUkGrj4hldKWYpO2+WygRlIVE8:eHn1O/VrcPxIUgtTHludUbQBB2o4IV9z

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2116	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 1272	2116	AcroRd32.exe	93
PID 2116 wrote to memory of 1272	2116	AcroRd32.exe	93
PID 2116 wrote to memory of 1272	2116	AcroRd32.exe	93
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4460	1272	RdrCEF.exe	94
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95
PID 1272 wrote to memory of 4452	1272	RdrCEF.exe	95

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\4428e25a2797bd13afb82eb0b7fe856a.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:2116
- 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:1272
- - 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=34BD2ECD936C2C458AFA926C16928B67 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4460
- - 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=0B90290355AA258AD062A5B54C2AA10F --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=0B90290355AA258AD062A5B54C2AA10F --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4452
- - 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=F894AA184AE3D919C72249FC6C37001C --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3564
- - 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=6582117AD6D05F99A5E52FB4483EDFDF --mojo-platform-channel-handle=1796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3120
- - 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=B3520531661C6415F9A1973DC7997B33 --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=B3520531661C6415F9A1973DC7997B33 --renderer-client-id=6 --mojo-platform-channel-handle=2020 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4072
- - 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=A86ABA72EDF89F1340574B84FCEABCAD --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2980

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4976

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
8045501019a5ee6975c4bca022efd68f

SHA1
278049acda6b7cfae72e3191b1dbff116562ca11

SHA256
d82eaa5af734d8b30dd633ebbbd158a398c4a28963676aedb33fefec4b0dbc71

SHA512
49edf57a28d0f33cd7d1a5d673b0f782da7789ad3145a62f6ecf5b5ad336e802d11cf09be3080f522a10d30ffc8ff003908cd48efe7f6fc24ff8d9297fba3e8a

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/2116-28-0x000000000C490000-0x000000000C4B1000-memory.dmp

Filesize
132KB

Download