616f7ee9ffad09f0fb2d7152481f3ce7ad472dffa98a76ef0b3c4adfd0ec20bb

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 11:30

Sharing

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General

Target

abc83e5488d9ec77fb1bf3a4c86d60cf.pdf
Size

44KB
MD5

abc83e5488d9ec77fb1bf3a4c86d60cf
SHA1

1ecd269943e311276e46cbedbb8bf6decdea77f7
SHA256

616f7ee9ffad09f0fb2d7152481f3ce7ad472dffa98a76ef0b3c4adfd0ec20bb
SHA512

de06368bac0120f362e47cf4d4de9c91d31ad40e8465776e36bcb93912490d67872d27e65051420a1419d28db760ebd28aa69d585a6588ce70c8f5d1a4e0dcd7
SSDEEP

768:9sIZrVOGOBCgGTRy/lMQsZUgsz2BpRDx9CZHrI8bg0:WUgGT+l8swFYZHrI8bg0

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
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2788	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe
2788	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 3644	2788	AcroRd32.exe	92
PID 2788 wrote to memory of 3644	2788	AcroRd32.exe	92
PID 2788 wrote to memory of 3644	2788	AcroRd32.exe	92
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4408	3644	RdrCEF.exe	93
PID 3644 wrote to memory of 4192	3644	RdrCEF.exe	94
PID 3644 wrote to memory of 4192	3644	RdrCEF.exe	94
PID 3644 wrote to memory of 4192	3644	RdrCEF.exe	94
PID 3644 wrote to memory of 4192	3644	RdrCEF.exe	94
PID 3644 wrote to memory of 4192	3644	RdrCEF.exe	94
PID 3644 wrote to memory of 4192	3644	RdrCEF.exe	94
PID 3644 wrote to memory of 4192	3644	RdrCEF.exe	94
PID 3644 wrote to memory of 4192	3644	RdrCEF.exe	94
PID 3644 wrote to memory of 4192	3644	RdrCEF.exe	94
PID 3644 wrote to memory of 4192	3644	RdrCEF.exe	94
PID 3644 wrote to memory of 4192	3644	RdrCEF.exe	94
PID 3644 wrote to memory of 4192	3644	RdrCEF.exe	94
PID 3644 wrote to memory of 4192	3644	RdrCEF.exe	94
PID 3644 wrote to memory of 4192	3644	RdrCEF.exe	94
PID 3644 wrote to memory of 4192	3644	RdrCEF.exe	94
PID 3644 wrote to memory of 4192	3644	RdrCEF.exe	94
PID 3644 wrote to memory of 4192	3644	RdrCEF.exe	94
PID 3644 wrote to memory of 4192	3644	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\abc83e5488d9ec77fb1bf3a4c86d60cf.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:2788
- 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:3644
- - 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=AD606B7980F4E669FC9507CA16CC1353 --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=AD606B7980F4E669FC9507CA16CC1353 --renderer-client-id=2 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4408
- - 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=12254170E2EA7B3B6516AE4D130BEA67 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4192
- - 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=EE7798B174500A512BDFEC060306944C --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=EE7798B174500A512BDFEC060306944C --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:764
- - 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=59B9494B9F7F2AF18BA8B84F8627EA4E --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1112
- - 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=B9866DED9681829D45DBA4EF162D8C06 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1332
- - 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=6E904BDFA260A52D8C829F4E779ED74C --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4700

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3092

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
0a662e09b6a6f843f41c20b5b7009258

SHA1
26f994b2c14a246d94264fa8b4d48e4a5fed59fd

SHA256
59c1a0d50b6e93d8d7bad4640f60da8c85d3af4e99a92343ab6c7148a2a6b94a

SHA512
d957b2f8d90b6ddf5c8771bee9adf712d5aa0ba2a6e4f4769dc2e15f2a2517b881d27a1d439c8cd909161e902ca8432148b37cc0f507e7c40ea787965149f461

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit