bfcfa45935ce6c3a6a0032a985a9000be51743b9b476cf7e160f2e5aa13a671c

Analysis

max time kernel
177s
max time network
192s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 20:56

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General

Target

03c853e45b98f71a0e0090eac1ce1d6d.pdf
Size

91KB
MD5

03c853e45b98f71a0e0090eac1ce1d6d
SHA1

d1a7bdea7101c86e02b747a9afbe9d776e877eed
SHA256

bfcfa45935ce6c3a6a0032a985a9000be51743b9b476cf7e160f2e5aa13a671c
SHA512

8ece355f07cc6a1b0b2acf9bc4a7bc0e3f64c3fb4c1ebff7cbabd79f3351d1108f734e9d483bba4e79b8e180ce80c30ab15166cf9dfa9ed7cda99ff752cf14ce
SSDEEP

1536:4LOetdtOa59EvojtQ/cO6k/cazoxRFL9pslxWHpOvTWpMkwxJRZwKhs+Cqq:CtdoIjtQULocayRFL9evvUVgrw+s+O

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5024	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5024 wrote to memory of 2756	5024	AcroRd32.exe	96
PID 5024 wrote to memory of 2756	5024	AcroRd32.exe	96
PID 5024 wrote to memory of 2756	5024	AcroRd32.exe	96
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 3532	2756	RdrCEF.exe	97
PID 2756 wrote to memory of 892	2756	RdrCEF.exe	98
PID 2756 wrote to memory of 892	2756	RdrCEF.exe	98
PID 2756 wrote to memory of 892	2756	RdrCEF.exe	98
PID 2756 wrote to memory of 892	2756	RdrCEF.exe	98
PID 2756 wrote to memory of 892	2756	RdrCEF.exe	98
PID 2756 wrote to memory of 892	2756	RdrCEF.exe	98
PID 2756 wrote to memory of 892	2756	RdrCEF.exe	98
PID 2756 wrote to memory of 892	2756	RdrCEF.exe	98
PID 2756 wrote to memory of 892	2756	RdrCEF.exe	98
PID 2756 wrote to memory of 892	2756	RdrCEF.exe	98
PID 2756 wrote to memory of 892	2756	RdrCEF.exe	98
PID 2756 wrote to memory of 892	2756	RdrCEF.exe	98
PID 2756 wrote to memory of 892	2756	RdrCEF.exe	98
PID 2756 wrote to memory of 892	2756	RdrCEF.exe	98
PID 2756 wrote to memory of 892	2756	RdrCEF.exe	98
PID 2756 wrote to memory of 892	2756	RdrCEF.exe	98
PID 2756 wrote to memory of 892	2756	RdrCEF.exe	98
PID 2756 wrote to memory of 892	2756	RdrCEF.exe	98

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\03c853e45b98f71a0e0090eac1ce1d6d.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:5024
- 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:2756
- - 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=1304BAAD3E56166DB8E53458D6430F78 --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=1304BAAD3E56166DB8E53458D6430F78 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3532
- - 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=59C96E131099B5F8861E0C02FBBDF260 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:892
- - 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=EBF073B7D926D16174708758D1E08725 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1368
- - 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=BA946674B76175ED342A6F1AAD30F206 --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=BA946674B76175ED342A6F1AAD30F206 --renderer-client-id=5 --mojo-platform-channel-handle=2012 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4612
- - 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=068787CCBC4993282A0F27223FB9099C --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2920
- - 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=DE9909F0DAC814D8BB7434E48BEE03E7 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4420

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4812

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
feab58063983356f550bfb5bbb37cc2c

SHA1
05dee92abc66ec87fc47738361fb1880c3a4bf2c

SHA256
baba267c6885b040558a8834d423ec06e3c1dab1252d949618c0862fd51ee3c4

SHA512
5ce2141af376aa96c83a03e1506d0abbf96b17614090ae9e07b845b2cf1b4acc8750f642d3c6ccdbe9beb667f12f162c5a546e78df37fe8ee2a21d8a77365a3c

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/5024-29-0x000000000B550000-0x000000000B571000-memory.dmp

Filesize
132KB

Download