53b2caa0601b3e9c07241e6b6d19764570459fc4d0246530eca84ef52a7d8d3b

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
29-02-2024 00:38

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General

Target

ad41584b970858a8c709b6fb4b850934.pdf
Size

74KB
MD5

ad41584b970858a8c709b6fb4b850934
SHA1

ccfc500e2d8028d7722ef10d31ca11ebbf7888cd
SHA256

53b2caa0601b3e9c07241e6b6d19764570459fc4d0246530eca84ef52a7d8d3b
SHA512

10105f89116fa2bd1ad7a1e83425b5a7f78c35746e0e7d3eb0f6d1db9d850c874bb8ffc22e3dd32404b0a1ee24899da71052380b847c99ac0d701f598e59c1b4
SSDEEP

1536:0VE8y2ngofF/9RLhgSm5JOVFii37/4Xf1S5qYKPLcUq:sEh2gwXSOhwtS5qYELG

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4640	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 3944	4640	AcroRd32.exe	92
PID 4640 wrote to memory of 3944	4640	AcroRd32.exe	92
PID 4640 wrote to memory of 3944	4640	AcroRd32.exe	92
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1824	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 5036	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 5036	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 5036	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 5036	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 5036	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 5036	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 5036	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 5036	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 5036	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 5036	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 5036	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 5036	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 5036	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 5036	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 5036	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 5036	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 5036	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 5036	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 5036	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 5036	3944	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\ad41584b970858a8c709b6fb4b850934.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:4640
- 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:3944
- - 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=B9FC4754FDFDC4F8690568A718BF8198 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1824
- - 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=E60BA9F4DE89A9B17E368FD3D1464CEB --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=E60BA9F4DE89A9B17E368FD3D1464CEB --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    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=2B63E1C19151DEFE088C8DA728586B33 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5064
- - 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=CBCA34897BB60D7ACB48B2F50F965B41 --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=CBCA34897BB60D7ACB48B2F50F965B41 --renderer-client-id=5 --mojo-platform-channel-handle=1876 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2832
- - 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=8F6D011B3E328B642AA44C2731118447 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1984
- - 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=F4A9B64E5519E7225A0200525351CB02 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3984

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3428

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
1a989c8a9183f4bea044e318ed033a9f

SHA1
9db088cba940aadf503a05e6be69acaea6f732e1

SHA256
23996a66279ea61430f55ab4b3b0e14df8301f88ab60de0ffd99172ff77e7267

SHA512
b2902abf08e63902b659897b08831559f6f0aac4f7498ed8ba37e07d5c34cd4172a323fcc9dd2bc13553e4bff5909dc73d031d0b3220d65e96c54d0e2dfada19

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