244347d23b86fe7bc8384dcf0963c4510bd44fc9cd1e77e791209923f309d7f4

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 13:52

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General

Target

b00f6b4dfb5fc6a488b9aad92f33e08f.pdf
Size

44KB
MD5

b00f6b4dfb5fc6a488b9aad92f33e08f
SHA1

e835208bbe6886bc04f680e68960d823fc6a08f5
SHA256

244347d23b86fe7bc8384dcf0963c4510bd44fc9cd1e77e791209923f309d7f4
SHA512

976f49f59d04a949270dc23770b2d0d07c4439ae2243d02213d5001fc73186a467f2aba4ccb4983bb577bed138941d63447c05ed0b8a6e6cbfaa209a8ce8f65e
SSDEEP

768:rIcYsFqo2yG8EuiO7cCbOBq7q55CNXxmAYeI/do11+7M8P:r+sFqoB7gHIXAeIVzfP

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe
3636	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3636 wrote to memory of 1676	3636	AcroRd32.exe	91
PID 3636 wrote to memory of 1676	3636	AcroRd32.exe	91
PID 3636 wrote to memory of 1676	3636	AcroRd32.exe	91
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 3732	1676	RdrCEF.exe	92
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93
PID 1676 wrote to memory of 4572	1676	RdrCEF.exe	93

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\b00f6b4dfb5fc6a488b9aad92f33e08f.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:3636
- 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:1676
- - 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=1CA28A1D561E1321C419503761F17BAF --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3732
- - 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=D07C52D659CAFB92C548E2833A257893 --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=D07C52D659CAFB92C548E2833A257893 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4572
- - 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=F0387D78EE12DCD8B8E21D8B2E478800 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5092
- - 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=76DACFC17500ADCBD8B25F3F1E75E60C --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=76DACFC17500ADCBD8B25F3F1E75E60C --renderer-client-id=5 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1968
- - 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=54B5408ECBB4A781B22A2F626848AB72 --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2516
- - 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=CE417C37E80531A026190A3AD96CFBA6 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1004

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3412

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
61eb8dc1f90f2b7ea41ca38c9b48fdab

SHA1
9d422a5f09d08a8a8fd874735bc3781fbd3b3134

SHA256
f7981cf6934bb0a161e200656fe42183986d06360840ed97d3aabe438ecae68a

SHA512
7ca9c5302e131fcddf8f22705a075778c9f939b9baecce28f23ddcb897eee389ee89ed9ab2b298bf23eac71216c63ec56767f40dfed1c346cd24562ee70f9ba7

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/3636-28-0x000000000A5E0000-0x000000000A601000-memory.dmp

Filesize
132KB

Download