b4fe2ed4813734030619a7e908606c4e825a3bd14bffb609bba73ae34b207fc2

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 04:46

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General

Target

d53b63af5205ae0727362ceaf6fc7072.pdf
Size

86KB
MD5

d53b63af5205ae0727362ceaf6fc7072
SHA1

6e854a21df9e4924f5bf247d80d36616b28a2301
SHA256

b4fe2ed4813734030619a7e908606c4e825a3bd14bffb609bba73ae34b207fc2
SHA512

acf5601a305b7699337e977b7bed13038fafd1d2df733d7d3eea6dc39ea709926b3df07e47f60916bb61064871f16024f763e3450719d332d27ec366eb006c98
SSDEEP

1536:B5m3E+CLfWheC4nflgrBFEyPmfEMmS76ljTRS3oDFNWMcs/tPGHqlyWQpOCoSH:aIDWTfrQkmcN86ljlSYDFus/taqlVCF

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3996	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe
3996	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 2860	3996	AcroRd32.exe	92
PID 3996 wrote to memory of 2860	3996	AcroRd32.exe	92
PID 3996 wrote to memory of 2860	3996	AcroRd32.exe	92
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 4556	2860	RdrCEF.exe	94
PID 2860 wrote to memory of 2192	2860	RdrCEF.exe	95
PID 2860 wrote to memory of 2192	2860	RdrCEF.exe	95
PID 2860 wrote to memory of 2192	2860	RdrCEF.exe	95
PID 2860 wrote to memory of 2192	2860	RdrCEF.exe	95
PID 2860 wrote to memory of 2192	2860	RdrCEF.exe	95
PID 2860 wrote to memory of 2192	2860	RdrCEF.exe	95
PID 2860 wrote to memory of 2192	2860	RdrCEF.exe	95
PID 2860 wrote to memory of 2192	2860	RdrCEF.exe	95
PID 2860 wrote to memory of 2192	2860	RdrCEF.exe	95
PID 2860 wrote to memory of 2192	2860	RdrCEF.exe	95
PID 2860 wrote to memory of 2192	2860	RdrCEF.exe	95
PID 2860 wrote to memory of 2192	2860	RdrCEF.exe	95
PID 2860 wrote to memory of 2192	2860	RdrCEF.exe	95
PID 2860 wrote to memory of 2192	2860	RdrCEF.exe	95
PID 2860 wrote to memory of 2192	2860	RdrCEF.exe	95
PID 2860 wrote to memory of 2192	2860	RdrCEF.exe	95
PID 2860 wrote to memory of 2192	2860	RdrCEF.exe	95
PID 2860 wrote to memory of 2192	2860	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\d53b63af5205ae0727362ceaf6fc7072.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:3996
- 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:2860
- - 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=A3790005143BE32EB18E0A307786544E --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=A3790005143BE32EB18E0A307786544E --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4556
- - 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=ACC250EC0F1669BC36851B5240956788 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2192
- - 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=59B71016050F5629FBAE46AEAF8854F9 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3968
- - 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=0B47529C4AB95091E3C7D67335C2ACC8 --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=0B47529C4AB95091E3C7D67335C2ACC8 --renderer-client-id=5 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2244
- - 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=5D9AB5CDBE70468F5B48FF5784118FCF --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:416
- - 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=A6950718C0AF81D3BE88A9D15B9B437F --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2456

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4316

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

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
d829430b89e7b7f909c1adf85af9a819

SHA1
dbde0c706de6625a1cccee7a4fc12615c6de5f4a

SHA256
5ece79b40fc1e7eab8f25141f036fe44307e7c9974f205bc1b45f61d54b891c5

SHA512
db578ff16ab5048abcad41a7c66f2e4ab3406fdd32640445b6cedce13999804628d70aaab4fee8706bd7e46ae0db655c4ded6b92750c212a893e896e240c01aa

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