93e0b7e4d9a6baba14546065263cce0368082794db1ed77f0d940f86f7f17847

Analysis

max time kernel
141s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 06:29

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General

Target

862d7f241b23d5d80f7b5db56c6e15f9.pdf
Size

11KB
MD5

862d7f241b23d5d80f7b5db56c6e15f9
SHA1

a12805bb673ea523fbb89425ed63a66800df474d
SHA256

93e0b7e4d9a6baba14546065263cce0368082794db1ed77f0d940f86f7f17847
SHA512

8f237e87581a3e03c3ef137efa489b2c80de39fb2cfb2bb174254b780cf4f4cdb9c9ff2a99e9d18f0d91b68f62df9c4bb3aab0236765d89727074d6f85b625bc
SSDEEP

192:bONbedw+lJ5FM9pKdTgU6MxAmnnndJOj73hXB7D6mnM3kO6/vJHNsQbZ9ScTXVrS:bONbedw+lJ5FM9pxUNnnnd833D6mnEhL

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1224	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe
1224	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 3808	1224	AcroRd32.exe	92
PID 1224 wrote to memory of 3808	1224	AcroRd32.exe	92
PID 1224 wrote to memory of 3808	1224	AcroRd32.exe	92
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 980	3808	RdrCEF.exe	93
PID 3808 wrote to memory of 5052	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 5052	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 5052	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 5052	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 5052	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 5052	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 5052	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 5052	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 5052	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 5052	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 5052	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 5052	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 5052	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 5052	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 5052	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 5052	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 5052	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 5052	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 5052	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 5052	3808	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\862d7f241b23d5d80f7b5db56c6e15f9.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:1224
- 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:3808
- - 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=5FD8D14B1F1BD327F06F20D419A9A8CF --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:980
- - 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=48EBE3917B0771530D0B93B0FC2DD5D6 --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=48EBE3917B0771530D0B93B0FC2DD5D6 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5052
- - 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=9C32B96A4A39F0D276F177DA0F4719D7 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2340
- - 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=2D2D3161DA3486DB46C18945E1F0BAF3 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:396
- - 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=536C0C38D2E8CCD825621CCEB194AB8C --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=536C0C38D2E8CCD825621CCEB194AB8C --renderer-client-id=6 --mojo-platform-channel-handle=2144 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3612
- - 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=2BD12C441533D7B34B79E9F9E76EAA70 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4160

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4816

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
ec17021255e572e9d2982b93ca7b6e34

SHA1
2b2037f6ba46ec3b4e8be91a6a691d2364ac8e31

SHA256
42e85c817f1d6268c6b6630973eba2b57bf0f533682f6c6dd378e5ab577f795c

SHA512
bc5e3f3331aea17bbbaf42028716bb486ad626733363f10f07c5fdd26462523e04d3c0f6662876e59e9bbf6cd0608e66d948dd16b921a9d0a2164c3b4e4c0445

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
memory/1224-127-0x000000000A3C0000-0x000000000A3E1000-memory.dmp

Filesize
132KB

Download
memory/1224-132-0x000000000A3C0000-0x000000000A3E1000-memory.dmp

Filesize
132KB

Download
memory/1224-133-0x000000000A990000-0x000000000AADD000-memory.dmp

Filesize
1.3MB

Download
memory/1224-137-0x000000000A3C0000-0x000000000A3E1000-memory.dmp

Filesize
132KB

Download