f20e781aec7e75c463419c5571ed04df72e75c5c80bafefc31d3a30a2370db98

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07-03-2024 09:13

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General

Target

b85f6cad7f184cb389473e752cd8fc1b.pdf
Size

74KB
MD5

b85f6cad7f184cb389473e752cd8fc1b
SHA1

3b700ca1559769fa97e77d8a57f5a4f8336a4261
SHA256

f20e781aec7e75c463419c5571ed04df72e75c5c80bafefc31d3a30a2370db98
SHA512

ab7df36f0f05b46817f42f0c678f81f8ab069c83f7f4400d014cbe64973e227d21a08a287f1e5ab0b21c35906547a421cd6d3a390ac667430b4c1fa83f66d022
SSDEEP

1536:uI0832HQk65H+axDdH7hv8pVyzDfpbC4PRTpxv8YWmQ4lZqcptDiu5WspOR8Dijm:CNQhvdl7tsyPVC4PTF8t2FpMuQRrC

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5072	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 1236	5072	AcroRd32.exe	93
PID 5072 wrote to memory of 1236	5072	AcroRd32.exe	93
PID 5072 wrote to memory of 1236	5072	AcroRd32.exe	93
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4960	1236	RdrCEF.exe	94
PID 1236 wrote to memory of 4728	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4728	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4728	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4728	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4728	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4728	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4728	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4728	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4728	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4728	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4728	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4728	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4728	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4728	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4728	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4728	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4728	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4728	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4728	1236	RdrCEF.exe	95
PID 1236 wrote to memory of 4728	1236	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\b85f6cad7f184cb389473e752cd8fc1b.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:5072
- 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:1236
- - 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=5BCC75782E298519BFA548191D976AB7 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4960
- - 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=72CCEFB47E3B28282735B8A61EDC8F1A --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=72CCEFB47E3B28282735B8A61EDC8F1A --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4728
- - 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=A4D7443F41C691FE527BEE3B5E33A5C2 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1136
- - 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=103FD709CB2FDDA4B2A8A90861029DA4 --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=103FD709CB2FDDA4B2A8A90861029DA4 --renderer-client-id=5 --mojo-platform-channel-handle=1868 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3868
- - 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=26D5A8B96B99C02747B024A266AB8373 --mojo-platform-channel-handle=2724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2780
- - 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=A73EDF28995436CF9E3ED12FCE6A92B9 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4924

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4372

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
0139d5be9f54a9828d49fc857819cff8

SHA1
c8dac07bb91ff42d9b7d4b92d3645c24131e326b

SHA256
1046efa522f058bf6d0f398f38b75a44d392e4cffac0c611cb9a30eeaa2c7796

SHA512
2aaee7675b1963e5423b60e15bb04b0e67334204e6a8a21eda74b21fc330bd7dc6adb00e0db987a5495cb71daae770b1cce58334236e98698ae9fa9f164aca71

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