e11ecb614a658aaa28e9fccebd52cbf315cc3e61218f4b954b89e445da8f4adc

Analysis

max time kernel
150s
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
15/03/2024, 02:26

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General

Target

ca4009bde6bd047337c3dbe4f0c4ade4.pdf
Size

36KB
MD5

ca4009bde6bd047337c3dbe4f0c4ade4
SHA1

3b2a85733fb9fe810d6d177211811ea6027a2eb2
SHA256

e11ecb614a658aaa28e9fccebd52cbf315cc3e61218f4b954b89e445da8f4adc
SHA512

a53c9235479ad5ad5c943a42f9bde46539467d709084c14efd01e2d0019b430b9976800b5f2935dde0ae1df0bdf76677345f95479b2e89abe5bc3a259fa032a2
SSDEEP

768:EVjrpq1e/lT5Fru6SRIS7iFPVLoCRSwGRJ7s1i+aIUk:GI12D0RIki9ylb7sUnIX

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
264	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe
264	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 264 wrote to memory of 5036	264	AcroRd32.exe	93
PID 264 wrote to memory of 5036	264	AcroRd32.exe	93
PID 264 wrote to memory of 5036	264	AcroRd32.exe	93
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 3884	5036	RdrCEF.exe	94
PID 5036 wrote to memory of 4124	5036	RdrCEF.exe	95
PID 5036 wrote to memory of 4124	5036	RdrCEF.exe	95
PID 5036 wrote to memory of 4124	5036	RdrCEF.exe	95
PID 5036 wrote to memory of 4124	5036	RdrCEF.exe	95
PID 5036 wrote to memory of 4124	5036	RdrCEF.exe	95
PID 5036 wrote to memory of 4124	5036	RdrCEF.exe	95
PID 5036 wrote to memory of 4124	5036	RdrCEF.exe	95
PID 5036 wrote to memory of 4124	5036	RdrCEF.exe	95
PID 5036 wrote to memory of 4124	5036	RdrCEF.exe	95
PID 5036 wrote to memory of 4124	5036	RdrCEF.exe	95
PID 5036 wrote to memory of 4124	5036	RdrCEF.exe	95
PID 5036 wrote to memory of 4124	5036	RdrCEF.exe	95
PID 5036 wrote to memory of 4124	5036	RdrCEF.exe	95
PID 5036 wrote to memory of 4124	5036	RdrCEF.exe	95
PID 5036 wrote to memory of 4124	5036	RdrCEF.exe	95
PID 5036 wrote to memory of 4124	5036	RdrCEF.exe	95
PID 5036 wrote to memory of 4124	5036	RdrCEF.exe	95
PID 5036 wrote to memory of 4124	5036	RdrCEF.exe	95
PID 5036 wrote to memory of 4124	5036	RdrCEF.exe	95
PID 5036 wrote to memory of 4124	5036	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\ca4009bde6bd047337c3dbe4f0c4ade4.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:264
- 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:5036
- - 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=2A2B97945359F012030861E3BB179168 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3884
- - 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=1FF4F0816786F6113EB4B2DA41EFDDAF --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=1FF4F0816786F6113EB4B2DA41EFDDAF --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4124
- - 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=34FB4ABD8CE76F0912A8D4A74EAD0215 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:516
- - 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=151149240DED216A8DF604036594698C --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=151149240DED216A8DF604036594698C --renderer-client-id=5 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4596
- - 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=E974777DE25FFF5CF99BB0D0B8F38945 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=B8DC1583BDA2EE78CFFD64046D334B53 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3196

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
fa2d60ca490b0f78bc97dc222ac4562e

SHA1
7957284a2b15c11b53549b5e00b05c333724f302

SHA256
a42328447d45b2698ac0769489902c9699a03a1b08003990b06ea22d4dc59abf

SHA512
6c955206b0e4726018a138ec48b90ffd8a28e9be19a3fbc136ac89b4ad4c56f2b04d90abbdedf81d33411d976a95ddad264df278363b0b94687f237ee9266f16

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